Popular in | June |
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Cheapest in | February |
Average price | £1,127 |
Round-trip from | £68 |
Tuesday is generally a great day to depart. Flying on this day could help you save up to 28%.
Users have found that booking a flight from St. Louis to London Heathrow Airport at least 10 days early can save you up to 50% on average compared to booking a flight this week. If booking 10 days before your flight isn’t an option for you, users have found flights from St. Louis to London Heathrow Airport for as little as £460 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £736 for flights departing within the next 3 days.
Our data shows that February tends to be the cheapest month to fly to London Heathrow Airport from St. Louis. Users have commonly found prices around £729 for the month, but tickets can be as low as £493. Due to multiple factors, prepare for potentially higher prices in June.
Unlike in the morning, when flights are generally more expensive, you can save up to 5% on flights from St. Louis to London Heathrow Airport by exploring options for tickets in the afternoon.
Fly from
Fly to
Budget
£496 - £748
Route
Depart
Return
Price
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
1 stop23h 20m
London Heathrow
Wed 23/10
1 stop27h 20m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
2 stops14h 20m
London Heathrow
Wed 23/10
1 stop17h 35m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
1 stop17h 10m
London Heathrow
Wed 23/10
2 stops16h 36m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
2 stops13h 55m
London Heathrow
Wed 23/10
2 stops16h 36m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 2/9
1 stop10h 10m
London Heathrow
Mon 9/9
2 stops26h 22m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 19/8
1 stop11h 47m
London Heathrow
Fri 30/8
2 stops19h 32m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Tue 10/9
2 stops31h 27m
London Heathrow
Tue 17/9
1 stop32h 00m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Sun 20/10
1 stop15h 15m
London Heathrow
Sat 26/10
1 stop28h 25m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Tue 16/7
1 stop13h 34m
London Heathrow
Wed 31/7
1 stop12h 27m
LON Temperature | 4 - 17 °C |
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Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Crew
Boarding
Overall
Entertainment
Comfort
Food
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.
Cheapflights helps you search for flights from St. Louis to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
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