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
£490 - £784
Route
Depart
Return
Price
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
1 stop14h 35m
London Heathrow
Wed 23/10
2 stops30h 37m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Tue 1/10
1 stop23h 08m
London Heathrow
Tue 15/10
1 stop27h 20m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 2/10
1 stop12h 30m
London Heathrow
Tue 15/10
1 stop13h 00m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 9/10
2 stops16h 05m
London Heathrow
Wed 23/10
2 stops16h 36m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 24/7
1 stop12h 06m
London Heathrow
Wed 31/7
1 stop12h 16m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Wed 7/8
1 stop13h 17m
London Heathrow
Sun 11/8
1 stop13h 44m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 8/7
2 stops17h 16m
London Heathrow
Sun 21/7
1 stop12h 16m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Thu 18/7
1 stop12h 14m
London Heathrow
Sun 4/8
1 stop13h 46m
Lambert-St LouisLondon Heathrow
STL - LHR
STLLHR
Lambert-St Louis
Mon 17/6
2 stops17h 09m
London Heathrow
Thu 27/6
2 stops15h 10m
LON Temperature | 4 - 17 °C |
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Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
Overall
Boarding
Crew
Comfort
Food
Entertainment
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.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Heathrow.
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