Popular in | June |
---|---|
Cheapest in | February |
Round-trip from | $643 |
One-way from | $520 |
Flights from St. Louis to London Heathrow Airport are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.
Find a great deal and save up to 50% by booking at least 10 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at $586.
Flights from St. Louis to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to London Heathrow Airport in February, with the cheapest ticket starting at $628.
One of the essential ways to save on airfare from St. Louis to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.
Fly from
Fly to
Budget
$821 - $999
Route
Depart
Return
Price
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 8/7
2 stops17h 50m
London Heathrow
Sun 8/11
2 stops35h 51m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 6/5
1 stop18h 07m
London Heathrow
Mon 6/17
2 stops18h 29m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Tue 7/2
1 stop30h 25m
London Heathrow
Wed 7/10
1 stop32h 01m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Fri 8/16
2 stops14h 14m
London Heathrow
Sat 8/24
2 stops16h 22m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 7/24
1 stop12h 06m
London Heathrow
Wed 7/31
1 stop12h 16m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 8/7
1 stop13h 17m
London Heathrow
Sun 8/11
1 stop13h 44m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 7/8
2 stops17h 16m
London Heathrow
Sun 7/21
1 stop12h 16m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Thu 7/18
1 stop12h 14m
London Heathrow
Sun 8/4
1 stop13h 46m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 6/17
2 stops17h 09m
London Heathrow
Thu 6/27
2 stops15h 10m
LON Temperature | 39.2 - 62.6 °F |
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Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
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.
Deals for St. Louis to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Cheapflights helps you find that perfect flight to Heathrow from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Yes, we can. To see specific flights from St. Louis to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Not ready to book yet? You can track prices for flights from St. Louis to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.