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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 April , May 2026

22 Apr - 13 May $ 1,318.00
STL
St Louis
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
STL
St Louis
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11 Apr - 01 May $ 1,823.00
STL
St Louis
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
STL
St Louis
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11 Apr - 04 May $ 1,823.00
STL
St Louis
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
STL
St Louis
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Last minute flights from St Louis to London

19 Apr - 30 Apr $ 1,208.00
STL
St Louis
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
STL
St Louis
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12 Apr - 30 Apr $ 1,720.00
STL
St Louis
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
STL
St Louis
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11 Apr - 30 Apr $ 1,823.00
STL
St Louis
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
STL
St Louis
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One-way flights to London from St Louis

3:15 PM - 11:55 AM
United Airlines
2 Stops
15h 20m
STL - LCY
$ 546
Kiwi
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3:15 PM - 1:05 PM
United Airlines
2 Stops
16h 30m
STL - LCY
$ 600
Kiwi
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11:15 AM - 7:45 AM
Swiss International Air Lines
2 Stops
15h 10m
STL - LCY
$ 765
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.