
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $721 (American Airlines) | 
| One-way from | $250 (Kiwi.com) | 
| Popular in | December | 
| Cheapest in | March | 
| Average price | $1,005 | 
Fly from
Fly to
Route
Depart
Return
Price
LondonSt. Louis
LGW - STL
LGWSTL
London Gatwick
Thu 3/5
11:20 am-6:08 pm
2 stops36h 48m
Lambert-St Louis
Mon 3/9
9:39 am-9:00 am
2 stops18h 21m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Mon 12/8
11:45 am-6:43 pm
1 stop12h 58m
Lambert-St Louis
Tue 12/23
11:41 am-10:00 am
1 stop16h 19m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Wed 12/3
8:40 am-8:47 pm
2 stops18h 07m
Lambert-St Louis
Wed 12/10
9:30 am-8:45 am
2 stops17h 15m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Wed 12/3
11:45 am-8:47 pm
2 stops15h 02m
Lambert-St Louis
Wed 12/10
2:02 pm-7:50 am
1 stop11h 48m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Tue 1/13
12:35 pm-9:15 pm
1 stop14h 40m
Lambert-St Louis
Fri 1/23
12:01 pm-7:00 am
1 stop12h 59m
LondonSt. Louis
LGW - STL
LGWSTL
London Gatwick
Thu 11/27
2:00 pm-11:57 pm
1 stop15h 57m
Lambert-St Louis
Thu 12/4
3:30 pm-10:00 am
1 stop12h 30m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Mon 11/24
1:30 pm-11:56 pm
2 stops16h 26m
Lambert-St Louis
Mon 12/1
3:43 pm-10:25 am
1 stop12h 42m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Mon 11/24
12:35 pm-8:09 am
1 stop25h 34m
Lambert-St Louis
Sun 11/30
7:58 pm-10:25 am
1 stop32h 27m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Mon 11/24
2:45 pm-11:07 pm
1 stop14h 22m
Lambert-St Louis
Mon 12/1
3:43 pm-8:15 am
1 stop10h 32m
LondonSt. Louis
LHR - STL
LHRSTL
London Heathrow
Thu 11/27
6:30 am-4:49 pm
2 stops16h 19m
Lambert-St Louis
Thu 12/4
7:02 pm-11:40 am
1 stop10h 38m
Currently, September is the cheapest month in which you can book a flight from London to Missouri (average of $545). Flying from London to Missouri in July is currently the most expensive (average of $828). 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.
A simple way to save on the total cost of your ticket is to fly from London to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Roxanne,Sep 2025
LHR - IAD
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Roxanne,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$555 | Average$1,100 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$925 | Average$925 | FlexibilityNo cancel fee | On-time76% |