$156 Cheap Frontier Airlines flights Chicago (ORD) to Seattle (SEA)

$156 Cheap Frontier Airlines flights Chicago (ORD) to Seattle (SEA)

Prices were available within the past 7 days and start at $156 for one-way flights and $234 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 11 - Tue, Jul 21

ORD

Chicago

SEA

Seattle

$234 Roundtrip, found 6 days ago

$234

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 11 from Chicago to Seattle, returning Tue, Jul 21, priced at $234 found 6 days ago

Tue, Aug 25 - Tue, Sep 8

ORD

Chicago

SEA

Seattle

$240 Roundtrip, found 6 days ago

$240

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Chicago to Seattle, returning Tue, Sep 8, priced at $240 found 6 days ago

Sat, Jul 4 - Tue, Jul 21

ORD

Chicago

SEA

Seattle

$254 Roundtrip, found 6 days ago

$254

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 4 from Chicago to Seattle, returning Tue, Jul 21, priced at $254 found 6 days ago

Sat, Jul 18 - Tue, Jul 21

ORD

Chicago

SEA

Seattle

$260 Roundtrip, found 5 days ago

$260

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 18 from Chicago to Seattle, returning Tue, Jul 21, priced at $260 found 5 days ago

Mon, Jul 27 - Mon, Aug 10

ORD

Chicago

SEA

Seattle

$274 Roundtrip, found 6 days ago

$274

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 27 from Chicago to Seattle, returning Mon, Aug 10, priced at $274 found 6 days ago

Tue, Oct 27 - Tue, Nov 17

ORD

Chicago

SEA

Seattle

$280 Roundtrip, found 22 hours ago

$280

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Tue, Oct 27 from Chicago to Seattle, returning Tue, Nov 17, priced at $280 found 22 hours ago