Earn point on your loyalty program!arrow arc left

Cheap flights from Colorado Springs (COS) 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 Colorado Springs (COS) to London (LCY)

How to find the cheapest flight from Colorado Springs (COS) 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 Colorado Springs (COS) 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 Colorado Springs (COS) 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 Colorado Springs to London in February , March 2026

27 Feb - 20 Mar $ 1,581.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates
23 Feb - 20 Mar $ 1,593.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates
20 Feb - 20 Mar $ 1,593.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates

Last minute flights from Colorado Springs to London

23 Feb - 02 Mar $ 2,278.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates
20 Feb - 02 Mar $ 2,278.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates
19 Feb - 02 Mar $ 2,357.00
COS
Colorado Springs
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
COS
Colorado Springs
Pick dates

One-way flights to London from Colorado Springs

3:40 PM - 5:10 PM
Lufthansa
2 Stops
19h
COS - LCY
$ 586
Kiwi
Pick dates
6:11 PM - 1:10 PM
KLM Royal Dutch Airlines
3 Stops
36h 4m
COS - LCY
$ 744
Kiwi
Pick dates
5:12 PM - 4:30 PM
KLM Royal Dutch Airlines
3 Stops
40h 23m
COS - LCY
$ 756
Kiwi
Pick dates

How to find the cheapest flight from Colorado Springs (COS) 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 Colorado Springs (COS) 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 Colorado Springs (COS) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.