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Cheap flights from Boston (BOS) to Belfast from $331

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — BHD
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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Cheap flight deals from Boston to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$640

One-way from

$382
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Boston Logan Intl to Belfast
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One-way flight from Boston Logan Intl to Belfast
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What is the cheapest day to fly round-trip from Boston to Belfast?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 32% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Boston to Belfast?

The best pricing can be found in the month of March. Prices to Belfast from Boston average $754. You can even find prices in March for less than $754, as users have found deals to Belfast from as low as $517. The month of July appears to be one of the more expensive times to travel to Belfast from Boston. Flying in the targeted month can save you up to 45%.

What is the cheapest time of day to fly from BOS to BFS?

Unlike in the morning, when flights are generally more expensive, you can save up to 44% on flights from Boston to Belfast by exploring options for tickets at noon.

Cheap Delta flights from Boston to Belfast

Explore cheap flight options specifically provided by Delta for the route between Boston and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Consider these cheap Delta flights we've found departing from Boston to Belfast. It's recommended that users confirm their flight details before booking.
Wed 9/44:50 pmBOS - BHD
1 stop19h 00mDelta
Wed 9/185:20 pmBHD - BOS
1 stop28h 20mDelta
Deal found 6/1$666
Thu 9/56:55 pmBOS - BHD
1 stop16h 55mDelta
Mon 9/165:20 pmBHD - BOS
1 stop25h 30mDelta
Deal found 6/1$716
Sun 6/234:40 pmBOS - BHD
1 stop19h 10mDelta
Tue 7/25:20 pmBHD - BOS
1 stop30h 10mDelta
Deal found 6/2$1,039

Cheap Lufthansa flights from Boston to Belfast

Explore cheap flight options specifically provided by Lufthansa for the route between Boston and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Have a look at some of the cheapest available Lufthansa flights departing from Boston and landing in Belfast. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 9/76:05 pmBOS - BHD
1 stop10h 20mLufthansa
Sun 9/1510:15 amBHD - BOS
1 stop15h 00mLufthansa
Deal found 6/1$680
Wed 9/410:00 pmBOS - BHD
1 stop11h 50mLufthansa
Sun 9/1510:15 amBHD - BOS
1 stop15h 00mLufthansa
Deal found 6/1$831
Sat 9/76:05 pmBOS - BHD
1 stop10h 20mLufthansa
Thu 9/123:35 pmBHD - BOS
1 stop29h 25mLufthansa
Deal found 6/1$847
Sun 6/238:05 pmBOS - BHD
2 stops37h 45mLufthansa
Tue 7/23:35 pmBHD - BOS
2 stops31h 15mLufthansa
Deal found 6/1$1,001
Mon 7/18:05 pmBOS - BHD
2 stops13h 45mLufthansa
Mon 7/83:35 pmBHD - BOS
2 stops31h 15mLufthansa
Deal found 6/1$1,021
Mon 7/110:00 pmBOS - BHD
1 stop11h 50mLufthansa
Mon 7/83:35 pmBHD - BOS
2 stops31h 15mLufthansa
Deal found 6/1$1,032
Mon 7/16:05 pmBOS - BHD
1 stop15h 45mLufthansa
Mon 7/83:35 pmBHD - BOS
1 stop29h 25mLufthansa
Deal found 6/1$1,034
Sun 6/308:05 pmBOS - BHD
2 stops13h 45mLufthansa
Sun 7/710:15 amBHD - BOS
2 stops36h 35mLufthansa
Deal found 6/1$1,069

Cheap Boston to Belfast flights in June & July 2024

Find cheap flight options from Boston to Belfast specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
These are some of the most attractive deals on flights from Boston to Belfast in 2024. Check back in a little while for more flight options.
Thu 6/64:40 pmBOS - BHD
1 stop19h 10mDelta
Thu 6/135:20 pmBHD - BOS
1 stop28h 15mDelta
Deal found 6/2$805
Thu 6/66:50 pmBOS - BHD
1 stop17h 00mDelta
Thu 6/135:20 pmBHD - BOS
2 stops31h 03mDelta
Deal found 6/2$816
Thu 6/68:20 pmBOS - BHD
1 stop9h 40mBritish Airways
Thu 6/139:35 amBHD - BOS
1 stop12h 15mBritish Airways
Deal found 5/31$892
Thu 6/64:40 pmBOS - BHD
2 stops21h 40mAmerican Airlines
Thu 6/139:35 amBHD - BOS
2 stops18h 02mAmerican Airlines
Deal found 6/1$979
Sun 6/238:20 pmBOS - BHD
1 stop10h 10mBritish Airways
Tue 7/26:15 pmBHD - BOS
1 stop22h 40mBritish Airways
Deal found 6/1$987
Sun 6/238:20 pmBOS - BHD
1 stop13h 15mBritish Airways
Tue 7/27:30 pmBHD - BOS
2 stops26h 58mBritish Airways
Deal found 6/1$997
Sun 6/238:05 pmBOS - BHD
2 stops37h 45mLufthansa
Tue 7/23:35 pmBHD - BOS
2 stops31h 15mLufthansa
Deal found 6/1$1,001
Thu 6/63:30 pmBOS - BHD
2 stops20h 20mDelta
Thu 6/135:20 pmBHD - BOS
2 stops29h 05mDelta
Deal found 6/2$1,037
Sun 6/308:05 pmBOS - BHD
2 stops13h 45mLufthansa
Sun 7/710:15 amBHD - BOS
2 stops36h 35mLufthansa
Deal found 6/1$1,069

Boston to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Boston and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
These are some of the most attractive deals on flights from Boston to Belfast in 2024. Check back in a little while for more flight options.
Sun 9/87:15 pmBOS - BFS
2 stops18h 35mMultiple Airlines
Wed 9/189:45 amBFS - BOS
1 stop16h 25mMultiple Airlines
Deal found 6/1$549
Sun 9/87:15 pmBOS - BFS
2 stops18h 35mMultiple Airlines
Tue 9/179:50 amBFS - BOS
1 stop16h 20mMultiple Airlines
Deal found 6/1$573
Sun 9/87:15 pmBOS - BFS
2 stops18h 35mMultiple Airlines
Mon 9/1610:15 amBFS - BOS
1 stop15h 55mMultiple Airlines
Deal found 6/1$580
Fri 9/67:15 pmBOS - BFS
2 stops17h 50mMultiple Airlines
Wed 9/189:45 amBFS - BOS
1 stop16h 25mMultiple Airlines
Deal found 6/1$590
Thu 9/57:15 pmBOS - BFS
2 stops22h 05mMultiple Airlines
Wed 9/189:45 amBFS - BOS
1 stop16h 25mMultiple Airlines
Deal found 6/1$598
Tue 9/107:15 pmBOS - BFS
2 stops13h 30mMultiple Airlines
Wed 9/189:45 amBFS - BOS
1 stop16h 25mMultiple Airlines
Deal found 6/1$610
Fri 9/67:15 pmBOS - BFS
2 stops17h 50mMultiple Airlines
Tue 9/179:50 amBFS - BOS
1 stop16h 20mMultiple Airlines
Deal found 6/1$614
Fri 9/67:15 pmBOS - BFS
2 stops17h 50mMultiple Airlines
Mon 9/1610:15 amBFS - BOS
1 stop15h 55mMultiple Airlines
Deal found 6/1$621
Thu 9/57:15 pmBOS - BFS
2 stops22h 05mMultiple Airlines
Tue 9/179:50 amBFS - BOS
1 stop16h 20mMultiple Airlines
Deal found 6/1$622

One-way flights to Belfast from Boston

Search for one-way flight options from Boston to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the best available deals we've found on one-way flights from Boston to Belfast. Those needing a return flight from Boston to Belfast can use the search form above.
Mon 10/2110:00 pmBOS - BHD
1 stop11h 50mLufthansa
Deal found 6/1$331
Fri 10/184:50 pmBOS - BHD
1 stop19h 00mDelta
Deal found 6/2$342
Fri 10/181:21 pmBOS - BHD
2 stops22h 29mDelta
Deal found 6/2$347
Wed 7/174:50 pmBOS - BHD
1 stop19h 00mDelta
Deal found 6/2$377
Wed 7/173:00 pmBOS - BHD
2 stops20h 50mDelta
Deal found 6/2$382
Fri 10/188:50 pmBOS - BFS
2 stops13h 55mMultiple Airlines
Deal found 6/1$411
Fri 10/188:50 pmBOS - BFS
2 stops13h 55mMultiple Airlines
Deal found 6/2$416
Wed 7/1711:35 pmBOS - BFS
2 stops15h 55mMultiple Airlines
Deal found 6/1$422
Wed 7/1711:35 pmBOS - BHD
3 stops35h 20mMultiple Airlines
Deal found 6/1$432

Find flights from Boston to Belfast within your budget

Customize your flight search to find flights from Boston to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$549 - $724

Route

Depart

Return

Price

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/8

2 stops18h 35m

Belfast Intl

Wed 9/18

1 stop16h 25m

$549

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/8

2 stops18h 35m

Belfast Intl

Tue 9/17

1 stop16h 20m

$573

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/8

2 stops18h 35m

Belfast Intl

Mon 9/16

1 stop15h 55m

$580

Boston Logan IntlBelfast Intl

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 9/6

2 stops17h 50m

Belfast Intl

Wed 9/18

1 stop16h 25m

$590

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 9/4

1 stop19h 00m

Belfast City

Wed 9/18

1 stop28h 20m

$666

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 9/7

1 stop10h 20m

Belfast City

Sun 9/15

1 stop15h 00m

$680

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 9/7

2 stops38h 10m

Belfast City

Sun 9/15

1 stop31h 30m

$688

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 9/5

1 stop16h 55m

Belfast City

Mon 9/16

1 stop25h 30m

$716

Boston Logan IntlBelfast City

BOS - BHD

BOSBHD

Boston Logan Intl

Sat 9/7

2 stops13h 30m

Belfast City

Sun 9/15

2 stops14h 26m

$724

Flights are sorted by cheapest first

Deals found on 6/1

What is the cheapest day to fly from Boston to Belfast?

Use this chart to determine the cheapest time to fly round-trip from Boston to Belfast. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Belfast flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Boston to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated June 2, 2024.
See what other customers who have flown with Delta, Lufthansa and British Airways from Boston to Belfast have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,260 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Lufthansa
7.0
Good
7,557 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,755 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Boston to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Belfast?

    If you book a flight to Belfast from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 0 flights from Logan Intl to Belfast per day from 2 different airlines.

  • Can I find flights from Boston to Belfast for under $600 on Cheapflights?

    Yes, there are multiple flights from Boston to Belfast for under $600. The cheapest flight booked recently is on Multiple Airlines for just $549, but on average you can expect to pay $622.

  • What are the cheapest airlines flying from Boston to Belfast round-trip?

    According to our current data, Delta ($666), Lufthansa ($680), and British Airways ($688) offers the cheapest pricing from Boston to Belfast. You may be able to fly from Boston to Belfast for 11% less than the average price by searching for these airlines.

  • What does BOS to BFS mean?

    BOS stands for Boston Logan Intl Airport, while BFS stands for Belfast Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Boston to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Belfast that include hotel bookings?

    Yes. In addition to deals on Boston to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Belfast.

  • Can I find deals for business class flights from Boston to Belfast?

    Yes. Cheapflights offers flight deals from Boston to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Belfast that allow pets onboard?

    Many airlines flying from Boston to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Belfast?

    Yes, you can often find last-minute deals on Boston to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Belfast flight deals updated?

    The Boston to Belfast flight deals you see on this page were last updated on 6/1.

  • What is the cheapest month to book a flight from Boston to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Boston to Belfast (average of $641). Flying from Boston to Belfast in June is currently the most expensive (average of $1,181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

Boston to Belfast Intl flights
Boston to Belfast City flights
Hartford to Belfast City flights
Worcester to Belfast City flights

Top 2 airlines flying from Boston to Belfast

Discover the top 2 airlines that operate flights from Boston to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$518Average$670FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$601Average$802FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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Search flights from Boston to Belfast by cabin class

Find flights from Boston to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Belfast?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to Belfast?

Cheapflights simply makes it quick and affordable to book flights from Boston to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Boston to Belfast with no change fees?

Need flexible booking options for your flight to Belfast from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Belfast become cheaper?

Of course! You can now track prices for flights from Boston to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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