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Cheap flights from Sioux Falls (FSD) to London (LCY)

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How to find the cheapest flight from Sioux Falls (FSD) to London (LCY)

How to find the cheapest flight from Sioux Falls (FSD) to London (LCY)
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How to find the cheapest flight from Sioux Falls (FSD) to London (LCY)
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How to find the cheapest flight from Sioux Falls (FSD) to London (LCY)
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Cheap flights from Sioux Falls to London in December 2025 , January 2026

29 Dec - 30 Jan $ 1,212.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
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29 Dec - 30 Jan $ 1,257.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
29 Dec - 23 Jan $ 1,372.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
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Last minute flights from Sioux Falls to London

29 Dec - 02 Jan $ 1,961.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
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29 Dec - 02 Jan $ 2,105.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
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29 Dec - 02 Jan $ 2,171.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
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One-way flights to London from Sioux Falls

8:50 PM - 5:05 PM
Lufthansa
2 Stops
38h 45m
FSD - LCY
$ 658
Kiwi
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8:50 PM - 4:25 PM
Swiss International Air Lines
3 Stops
38h 15m
FSD - LCY
$ 803
Kiwi
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8:50 PM - 9:30 AM
KLM Royal Dutch Airlines
3 Stops
30h 40m
FSD - LCY
$ 868
Kiwi
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How to find the cheapest flight from Sioux Falls (FSD) to London (LCY)

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