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Cheap flights from St Louis (STL) to London (LCY)

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How to find the cheapest flight from St Louis (STL) to London (LCY)

How to find the cheapest flight from St Louis (STL) to London (LCY)
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How to find the cheapest flight from St Louis (STL) to London (LCY)
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How to find the cheapest flight from St Louis (STL) to London (LCY)
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Cheap flights from St Louis to London in January , February 2026

21 Jan - 25 Feb $ 983.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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25 Jan - 25 Feb $ 983.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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18 Jan - 25 Feb $ 1,010.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to London

21 Jan - 02 Feb $ 1,245.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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21 Jan - 01 Feb $ 1,289.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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25 Jan - 01 Feb $ 1,289.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to London from St Louis

3:50 PM - 8:35 AM
Lufthansa
1 Stops
11h 15m
STL - LCY
$ 421
Kiwi
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3:50 PM - 8:35 AM
Lufthansa
1 Stops
11h 15m
STL - LCY
$ 431
Kiwi
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3:11 PM - 12:10 PM
United Airlines
2 Stops
15h 44m
STL - LCY
$ 443
Kiwi
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How to find the cheapest flight from St Louis (STL) to London (LCY)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.