$100 Cheap Frontier Airlines flights Ontario Intl. Airport (ONT) to Spokane (GEG)

$100 Cheap Frontier Airlines flights Ontario Intl. Airport (ONT) to Spokane (GEG)

Prices were available within the past 7 days and start at $100 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 8 - Wed, Jul 15

ONT

Ontario

GEG

Spokane

$200 Roundtrip, found 19 hours ago

$200

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 8 from Ontario to Spokane, returning Wed, Jul 15, priced at $200 found 19 hours ago

Wed, Jul 8 - Mon, Jul 13

ONT

Ontario

GEG

Spokane

$219 Roundtrip, found 19 hours ago

$219

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 8 from Ontario to Spokane, returning Mon, Jul 13, priced at $219 found 19 hours ago

Wed, Jul 8 - Fri, Jul 10

ONT

Ontario

GEG

Spokane

$220 Roundtrip, found 19 hours ago

$220

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Jul 8 from Ontario to Spokane, returning Fri, Jul 10, priced at $220 found 19 hours ago

Mon, Jul 6 - Mon, Jul 13

ONT

Ontario

GEG

Spokane

$238 Roundtrip, found 19 hours ago

$238

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Mon, Jul 6 from Ontario to Spokane, returning Mon, Jul 13, priced at $238 found 19 hours ago

Mon, Jul 6 - Fri, Jul 10

ONT

Ontario

GEG

Spokane

$239 Roundtrip, found 19 hours ago

$239

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Mon, Jul 6 from Ontario to Spokane, returning Fri, Jul 10, priced at $239 found 19 hours ago

Tue, Jul 7 - Wed, Jul 15

ONT

Ontario

GEG

Spokane

$240 Roundtrip, found 19 hours ago

$240

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 7 from Ontario to Spokane, returning Wed, Jul 15, priced at $240 found 19 hours ago

Tue, Jul 7 - Mon, Jul 13

ONT

Ontario

GEG

Spokane

$259 Roundtrip, found 19 hours ago

$259

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Tue, Jul 7 from Ontario to Spokane, returning Mon, Jul 13, priced at $259 found 19 hours ago

Mon, Jun 22 - Fri, Jun 26

ONT

Ontario

GEG

Spokane

$260 Roundtrip, found 14 hours ago

$260

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jun 22 from Ontario to Spokane, returning Fri, Jun 26, priced at $260 found 14 hours ago

Wed, Jul 29 - Wed, Aug 5

ONT

Ontario

GEG

Spokane

$264 Roundtrip, found 3 days ago

$264

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Ontario to Spokane, returning Wed, Aug 5, priced at $264 found 3 days ago