$130 Cheap Frontier Airlines flights Seattle (SEA) to Chicago (ORD)

$130 Cheap Frontier Airlines flights Seattle (SEA) to Chicago (ORD)

Prices were available within the past 7 days and start at $130 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Tue, Nov 11

SEA

Seattle

ORD

Chicago

$229 Roundtrip, found 3 days ago

$229

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Nov 7 from Seattle to Chicago, returning Tue, Nov 11, priced at $229 found 3 days ago

Thu, Nov 6 - Tue, Nov 11

SEA

Seattle

ORD

Chicago

$258 Roundtrip, found 3 days ago

$258

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Nov 6 from Seattle to Chicago, returning Tue, Nov 11, priced at $258 found 3 days ago

Fri, Aug 15 - Sat, Aug 23

SEA

Seattle

ORD

Chicago

$258 Roundtrip, found 2 hours ago

$258

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Seattle to Chicago, returning Sat, Aug 23, priced at $258 found 2 hours ago

Fri, Aug 15 - Fri, Aug 22

SEA

Seattle

ORD

Chicago

$268 Roundtrip, found 2 hours ago

$268

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Seattle to Chicago, returning Fri, Aug 22, priced at $268 found 2 hours ago

Tue, Aug 12 - Sat, Aug 23

SEA

Seattle

ORD

Chicago

$298 Roundtrip, found 2 hours ago

$298

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Seattle to Chicago, returning Sat, Aug 23, priced at $298 found 2 hours ago