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Cheap flights from Great Falls (GTF) to Lisbon (LIS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Great Falls (GTF) to Lisbon (LIS)

How to find the cheapest flight from Great Falls (GTF) to Lisbon (LIS)
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How to find the cheapest flight from Great Falls (GTF) to Lisbon (LIS)
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How to find the cheapest flight from Great Falls (GTF) to Lisbon (LIS)
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Cheap flights from Great Falls to Lisbon in November , December 2025

26 Nov - 07 Dec $ 1,031.00
GTF
Great Falls
Allegiant Air
3 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
GTF
Great Falls
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26 Nov - 07 Dec $ 1,086.00
GTF
Great Falls
Allegiant Air
3 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
GTF
Great Falls
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30 Nov - 07 Dec $ 1,086.00
GTF
Great Falls
Allegiant Air
3 STOPS
LIS
Lisbon
LIS
Lisbon
Allegiant Air
3 STOPS
GTF
Great Falls
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Last minute flights from Great Falls to Lisbon

23 Nov - 02 Dec $ 1,861.00
GTF
Great Falls
Hawaiian Airlines
3 STOPS
LIS
Lisbon
LIS
Lisbon
Hawaiian Airlines
3 STOPS
GTF
Great Falls
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26 Nov - 02 Dec $ 1,923.00
GTF
Great Falls
Hawaiian Airlines
2 STOPS
LIS
Lisbon
LIS
Lisbon
Hawaiian Airlines
3 STOPS
GTF
Great Falls
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23 Nov - 02 Dec $ 1,924.00
GTF
Great Falls
Hawaiian Airlines
3 STOPS
LIS
Lisbon
LIS
Lisbon
Hawaiian Airlines
3 STOPS
GTF
Great Falls
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One-way flights to Lisbon from Great Falls

2:52 PM - 9:15 PM
Lufthansa
3 Stops
49h 38m
GTF - LIS
$ 460
Kiwi
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2:52 PM - 12:55 PM
Lufthansa
3 Stops
41h 13m
GTF - LIS
$ 515
Kiwi
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10:25 PM - 9:15 PM
Lufthansa
3 Stops
42h 5m
GTF - LIS
$ 526
Kiwi
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How to find the cheapest flight from Great Falls (GTF) to Lisbon (LIS)

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