Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Sioux Falls to London in November , December 2025

26 Nov - 04 Dec $ 1,138.00
FSD
Sioux Falls
Frontier Airlines
3 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
FSD
Sioux Falls
Pick dates
26 Nov - 05 Dec $ 1,146.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
26 Nov - 05 Dec $ 1,178.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates

Last minute flights from Sioux Falls to London

26 Nov - 02 Dec $ 2,167.00
FSD
Sioux Falls
Alaska Airlines
2 STOPS
LCY
London
LCY
London
Alaska Airlines
3 STOPS
FSD
Sioux Falls
Pick dates
26 Nov - 01 Dec $ 2,323.00
FSD
Sioux Falls
Frontier Airlines
3 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
FSD
Sioux Falls
Pick dates
26 Nov - 01 Dec $ 2,389.00
FSD
Sioux Falls
Frontier Airlines
3 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
FSD
Sioux Falls
Pick dates

One-way flights to London from Sioux Falls

8:26 PM - 7:55 AM
Swiss International Air Lines
3 Stops
30h 19m
FSD - LCY
$ 332
Kiwi
Pick dates
11:17 AM - 4:10 PM
Lufthansa
2 Stops
23h 23m
FSD - LCY
$ 576
Kiwi
Pick dates
11:17 AM - 5:05 PM
Lufthansa
2 Stops
24h 18m
FSD - LCY
$ 576
Kiwi
Pick dates

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

Related info for your journey
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.
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.