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Cheap flights from Great Falls (GTF) to London (LCY)

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How to find the cheapest flight from Great Falls (GTF) to London (LCY)

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

29 Dec - 30 Jan $ 1,276.00
GTF
Great Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
GTF
Great Falls
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29 Dec - 29 Jan $ 1,393.00
GTF
Great Falls
Alaska Airlines
2 STOPS
LCY
London
LCY
London
Alaska Airlines
3 STOPS
GTF
Great Falls
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29 Dec - 29 Jan $ 1,512.00
GTF
Great Falls
Hawaiian Airlines
2 STOPS
LCY
London
LCY
London
Hawaiian Airlines
2 STOPS
GTF
Great Falls
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Last minute flights from Great Falls to London

29 Dec - 02 Jan $ 2,267.00
GTF
Great Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
GTF
Great Falls
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29 Dec - 02 Jan $ 2,269.00
GTF
Great Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
GTF
Great Falls
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29 Dec - 02 Jan $ 2,462.00
GTF
Great Falls
Allegiant Air
3 STOPS
LCY
London
LCY
London
Allegiant Air
3 STOPS
GTF
Great Falls
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One-way flights to London from Great Falls

10:25 PM - 4:25 PM
Swiss International Air Lines
3 Stops
35h 40m
GTF - LCY
$ 652
Kiwi
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10:25 PM - 4:30 PM
KLM Royal Dutch Airlines
2 Stops
35h 10m
GTF - LCY
$ 795
Kiwi
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10:25 PM - 8:40 AM
KLM Royal Dutch Airlines
3 Stops
27h 25m
GTF - LCY
$ 873
Kiwi
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How to find the cheapest flight from Great Falls (GTF) to London (LCY)

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