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Cheap flights St Louis (Lambert-St. Louis) to London

1 passenger, economy

Cheap flights St Louis to London

Compare prices, duration and stops

Frontier Airlines
F9 4567
01:10
St Louis, Lambert-St. Louis (STL)
Thu, 24 sep
55h 50min
2 stops
09:00
London, London Gatwick Airport (LGW)
Sat, 26 sep +1
405 €
Frontier Airlines
F9 4474 Best price
19:29
St Louis, Lambert-St. Louis (STL)
Fri, 25 sep
37h 31min
2 stops
09:00
London, London Gatwick Airport (LGW)
Sun, 27 sep +1
287 €
Frontier Airlines
F9 4567
01:10
St Louis, Lambert-St. Louis (STL)
Sun, 27 sep
55h 50min
2 stops
09:00
London, London Gatwick Airport (LGW)
Tue, 29 sep +1
340 €
Frontier Airlines
F9 2646
15:35
St Louis, Lambert-St. Louis (STL)
Sat, 31 oct
19h 20min
3 stops
10:55
London, London Gatwick Airport (LGW)
Sun, 1 nov +1
378 €
SkyWest Airlines
OO 7204
17:32
St Louis, Lambert-St. Louis (STL)
Tue, 3 nov
15h 33min
2 stops
09:05
London, London Heathrow Airport (LHR)
Wed, 4 nov +1
430 €
Frontier Airlines
F9 4474
00:44
St Louis, Lambert-St. Louis (STL)
Thu, 5 nov
20h 56min
2 stops
21:40
London, London Heathrow Airport (LHR)
Thu, 5 nov
373 €
Air Canada
AC 6646
18:25
St Louis, Lambert-St. Louis (STL)
Sun, 2 May
14h 35min
1 stop
09:00
London, London Heathrow Airport (LHR)
Mon, 3 May +1
305 €
Air Canada
AC 8688
18:25
St Louis, Lambert-St. Louis (STL)
Wed, 2 June
11h 5min
1 stop
05:30
London, London Heathrow Airport (LHR)
Thu, 3 June +1
532 €

Low price calendar

September 2026
Price chart (September 2026)
min: 287 € · max: 405 €
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405 €
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287 €
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340 €
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Cheap flights St Louis to London

Air Canada
Air Canada
Wed, Sun
Price from
305 €
Frontier Airlines
Frontier Airlines
Thu, Fri, Sat, Sun
Price from
373 €
SkyWest Airlines
SkyWest Airlines
Tue
Price from
430 €

Popular destinations from St Louis

All →
STL
St Louis — Denver
United States → United States
DEN
from
45 €
STL
St Louis — Jacksonville
United States → United States
JAX
from
61 €
STL
St Louis — Cleveland
United States → United States
CLE
from
62 €
STL
St Louis — Atlanta
United States → United States
ATL
from
70 €
STL
St Louis — Dallas
United States → United States
DFW
from
74 €
STL
St Louis — Dallas
United States → United States
DAL
from
84 €
STL
St Louis — Pittsburgh
United States → United States
PIT
from
84 €
STL
St Louis — New York
United States → United States
NYC
from
97 €
STL
St Louis — Orlando
United States → United States
ORL
from
100 €

Popular destinations to London

All →
IST
Istanbul — London
Turkiye → United Kingdom
LON
from
13 €
FRA
Frankfurt — London
Germany → United Kingdom
LON
from
13 €
AYT
Antalya — London
Turkiye → United Kingdom
LON
from
13 €
RMO
Chisinau — London
Moldova → United Kingdom
LON
from
13 €
CGN
Cologne — London
Germany → United Kingdom
LON
from
14 €
BFS
Belfast — London
United Kingdom → United Kingdom
LON
from
15 €
DTM
Dortmund — London
Germany → United Kingdom
LON
from
15 €
STO
Stockholm — London
Sweden → United Kingdom
LON
from
15 €
MIL
Milan — London
Italy → United Kingdom
LON
from
15 €

Cheap flights St Louis to London

Interesting facts about the route

Flight time

20h 8min

Distance

6 759 km

Average price

375 €

Most frequent flight

F9 4474

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United Kingdom

All plans

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Frequently Asked Questions

The average ticket price St Louis London is €375. Check flight options below for current prices.
The average flight time is 20 hours 8 minutes.
Flights on the St Louis - London route are operated by the following airlines: Air Canada, Frontier Airlines, SkyWest Airlines.
The distance from St Louis to London is 6759 km.