$125 Cheap Frontier Airlines flights Spokane (GEG) to Ontario Intl. Airport (ONT)

$125 Cheap Frontier Airlines flights Spokane (GEG) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $125 for one-way flights and $214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 19 - Mon, Aug 24

GEG

Spokane

ONT

Ontario

$214 Roundtrip, found 22 hours ago

$214

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Aug 19 from Spokane to Ontario, returning Mon, Aug 24, priced at $214 found 22 hours ago

Wed, Jun 17 - Mon, Jul 6

GEG

Spokane

ONT

Ontario

$219 Roundtrip, found 2 days ago

$219

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jun 17 from Spokane to Ontario, returning Mon, Jul 6, priced at $219 found 2 days ago

Fri, Aug 14 - Wed, Aug 19

GEG

Spokane

ONT

Ontario

$220 Roundtrip, found 22 hours ago

$220

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 14 from Spokane to Ontario, returning Wed, Aug 19, priced at $220 found 22 hours ago

Fri, Aug 14 - Mon, Aug 24

GEG

Spokane

ONT

Ontario

$234 Roundtrip, found 22 hours ago

$234

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 14 from Spokane to Ontario, returning Mon, Aug 24, priced at $234 found 22 hours ago

Mon, Jul 13 - Mon, Aug 3

GEG

Spokane

ONT

Ontario

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 13 from Spokane to Ontario, returning Mon, Aug 3, priced at $238 found 2 days ago

Fri, Jun 26 - Mon, Jul 13

GEG

Spokane

ONT

Ontario

$239 Roundtrip, found 2 days ago

$239

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jun 26 from Spokane to Ontario, returning Mon, Jul 13, priced at $239 found 2 days ago

Mon, Aug 17 - Wed, Aug 19

GEG

Spokane

ONT

Ontario

$240 Roundtrip, found 22 hours ago

$240

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Aug 17 from Spokane to Ontario, returning Wed, Aug 19, priced at $240 found 22 hours ago

Mon, Aug 17 - Mon, Aug 24

GEG

Spokane

ONT

Ontario

$254 Roundtrip, found 22 hours ago

$254

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Aug 17 from Spokane to Ontario, returning Mon, Aug 24, priced at $254 found 22 hours ago

Wed, Jul 15 - Mon, Aug 3

GEG

Spokane

ONT

Ontario

$259 Roundtrip, found 2 days ago

$259

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 15 from Spokane to Ontario, returning Mon, Aug 3, priced at $259 found 2 days ago

Mon, Aug 17 - Fri, Aug 21

GEG

Spokane

ONT

Ontario

$260 Roundtrip, found 22 hours ago

$260

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Aug 17 from Spokane to Ontario, returning Fri, Aug 21, priced at $260 found 22 hours ago

Mon, Jun 22 - Wed, Jul 8

GEG

Spokane

ONT

Ontario

$269 Roundtrip, found 2 days ago

$269

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 22 from Spokane to Ontario, returning Wed, Jul 8, priced at $269 found 2 days ago