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Cheap flights from Great Falls (GTF) to Istanbul (IST)

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How to find the cheapest flight from Great Falls (GTF) to Istanbul (IST)

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

29 Dec - 30 Jan $ 1,368.00
GTF
Great Falls
Allegiant Air
3 STOPS
IST
Istanbul
IST
Istanbul
Allegiant Air
3 STOPS
GTF
Great Falls
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29 Dec - 30 Jan $ 1,373.00
GTF
Great Falls
Allegiant Air
3 STOPS
IST
Istanbul
IST
Istanbul
Allegiant Air
3 STOPS
GTF
Great Falls
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29 Dec - 30 Jan $ 1,398.00
GTF
Great Falls
Allegiant Air
3 STOPS
IST
Istanbul
IST
Istanbul
Allegiant Air
3 STOPS
GTF
Great Falls
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Last minute flights from Great Falls to Istanbul

28 Dec - 01 Jan $ 2,018.00
GTF
Great Falls
Hawaiian Airlines
2 STOPS
IST
Istanbul
IST
Istanbul
Hawaiian Airlines
2 STOPS
GTF
Great Falls
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28 Dec - 01 Jan $ 2,019.00
GTF
Great Falls
Hawaiian Airlines
3 STOPS
IST
Istanbul
IST
Istanbul
Hawaiian Airlines
2 STOPS
GTF
Great Falls
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28 Dec - 01 Jan $ 2,045.00
GTF
Great Falls
Hawaiian Airlines
3 STOPS
IST
Istanbul
IST
Istanbul
Hawaiian Airlines
2 STOPS
GTF
Great Falls
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One-way flights to Istanbul from Great Falls

10:25 PM - 2:55 PM
Pegasus
3 Stops
36h 40m
GTF - IST
$ 798
Kiwi
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10:25 PM - 12:45 PM
Pegasus
3 Stops
34h 30m
GTF - IST
$ 799
Kiwi
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10:25 PM - 11:35 AM
KLM Royal Dutch Airlines
3 Stops
32h 30m
GTF - IST
$ 804
Kiwi
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How to find the cheapest flight from Great Falls (GTF) to Istanbul (IST)

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