Cheap Flights to Trego

View ₩293,500 flight on Mon, Oct 6, 2025Opens in a new window

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How much is the cheapest flight to Trego?

Prices were available within the past 7 days and start at ₩293,500 for one-way flights and ₩508,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 6 - Tue, Oct 14
ONT
Ontario
FCA
Kalispell
₩508,700 Roundtrip, found 10 hours ago
₩508,700
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Oct 6 from Ontario to Kalispell, returning Tue, Oct 14, priced at ₩508,700 found 10 hours ago
United
Mon, Oct 6 - Tue, Oct 14
ONT
Ontario
FCA
Kalispell
₩557,700 Roundtrip, found 10 hours ago
₩557,700
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Oct 6 from Ontario to Kalispell, returning Tue, Oct 14, priced at ₩557,700 found 10 hours ago
Delta
Mon, Oct 6 - Tue, Oct 14
ONT
Ontario
FCA
Kalispell
₩586,900 Roundtrip, found 10 hours ago
₩586,900
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Oct 6 from Ontario to Kalispell, returning Tue, Oct 14, priced at ₩586,900 found 10 hours ago
Hawaiian Airlines
Mon, Oct 6 - Tue, Oct 14
ONT
Ontario
FCA
Kalispell
₩874,500 Roundtrip, found 10 hours ago
₩874,500
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Mon, Oct 6 from Ontario to Kalispell, returning Tue, Oct 14, priced at ₩874,500 found 10 hours ago
Alaska Airlines
Mon, Oct 6 - Tue, Oct 14
ONT
Ontario
FCA
Kalispell
₩908,600 Roundtrip, found 10 hours ago
₩908,600
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Mon, Oct 6 from Ontario to Kalispell, returning Tue, Oct 14, priced at ₩908,600 found 10 hours ago

Find the cheapest month to fly from Columbus (CMH) to Kalispell (FCA)

January is typically the cheapest month to fly

From ₩421,314 - ₩1,081,611 per traveler.

Searching for cheap flights to Trego? No travel company presents more choices than Expedia if you're looking to compare flights to Trego. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Montana. Expedia provides the cheapest flights to many destinations in Montana and you may find even greater savings if you combine your flight with a hotel stay in Trego.

Flights to Trego information
Destination airport
Glacier Park Intl.
Destination airport IATA code
FCA
Destination city name
Kalispell
Roundtrip price
₩508,700
*Available to Expedia members.