$147 Cheap flights from Los Angeles - Ontario Intl. to Great Falls Intl. (ONT to GTF)

Find The Best Dates To Fly from Los Angeles - Ontario Intl. to Great Falls Intl.

Compare Flight Prices from Ontario to Great Falls

Affordable Airfare Tickets from ONT to GTF Airport

The cheapest flights to Great Falls Intl. found within the past 7 days were $271 round trip and $147 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug 26 - Sun, Aug 31
ONT
Ontario
GTF
Great Falls
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 26 from Ontario to Great Falls, returning Sun, Aug 31, priced at $271 found 3 days ago
Wed, Aug 27 - Sun, Aug 31
ONT
Ontario
GTF
Great Falls
$275 Roundtrip, found 3 days ago
$275
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Ontario to Great Falls, returning Sun, Aug 31, priced at $275 found 3 days ago
Fri, Oct 31 - Thu, Nov 13
ONT
Ontario
GTF
Great Falls
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Ontario to Great Falls, returning Thu, Nov 13, priced at $281 found 3 days ago
Fri, Oct 31 - Tue, Nov 11
ONT
Ontario
GTF
Great Falls
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Ontario to Great Falls, returning Tue, Nov 11, priced at $285 found 3 days ago
Sun, Aug 24 - Sun, Aug 31
ONT
Ontario
GTF
Great Falls
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 24 from Ontario to Great Falls, returning Sun, Aug 31, priced at $285 found 3 days ago
Tue, Aug 26 - Tue, Sep 9
ONT
Ontario
GTF
Great Falls
$290 Roundtrip, found 3 days ago
$290
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 26 from Ontario to Great Falls, returning Tue, Sep 9, priced at $290 found 3 days ago
Tue, Aug 12 - Sat, Aug 16
ONT
Ontario
GTF
Great Falls
$292 Roundtrip, found 21 hours ago
$292
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Aug 12 from Ontario to Great Falls, returning Sat, Aug 16, priced at $292 found 21 hours ago
Wed, Sep 17 - Sat, Oct 4
ONT
Ontario
GTF
Great Falls
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 17 from Ontario to Great Falls, returning Sat, Oct 4, priced at $294 found 3 days ago
Wed, Sep 17 - Tue, Sep 30
ONT
Ontario
GTF
Great Falls
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 17 from Ontario to Great Falls, returning Tue, Sep 30, priced at $298 found 3 days ago
Tue, Oct 28 - Thu, Nov 13
ONT
Ontario
GTF
Great Falls
$300 Roundtrip, found 3 days ago
$300
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Ontario to Great Falls, returning Thu, Nov 13, priced at $300 found 3 days ago