
Cheap Flights to Rainbow
View ₩1,171,400 flight on Sat, Nov 14, 2026Opens in a new windowPopular airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
How much is the cheapest flight to Rainbow?
Prices were available within the past 7 days and start at ₩1,171,400 for one-way flights and ₩1,888,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 18 - Mon, Jan 4
ICN
Seoul
GTF
Great Falls
₩1,888,200
Roundtrip
found 17 hours ago

Fri, Dec 18 - Mon, Jan 4
ICN
Seoul
GTF
Great Falls
₩2,086,100
Roundtrip
found 17 hours ago

Fri, Dec 18 - Mon, Jan 4
ICN
Seoul
GTF
Great Falls
₩2,243,000
Roundtrip
found 17 hours ago

Fri, Dec 18 - Mon, Jan 4
ICN
Seoul
GTF
Great Falls
₩2,292,700
Roundtrip
found 17 hours ago

Fri, Dec 18 - Mon, Jan 4
ICN
Seoul
GTF
Great Falls
₩2,359,200
Roundtrip
found 17 hours ago
Book with confidence
Searching for cheap flights to Rainbow? No travel company presents more choices than Expedia if you're looking to compare flights to Rainbow. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Great Falls. Expedia provides the cheapest flights to many destinations in Great Falls and you may find even greater savings if you combine your flight with a hotel stay in Rainbow.
Travel information
Destination airport | Great Falls Intl. |
|---|---|
Destination airport IATA code | GTF |
Destination city name | Great Falls |
Roundtrip price | ₩1,888,200 |
*Available to Expedia members.