$133 Cheap Frontier Airlines flights Seattle (SEA) to Chicago (ORD)

$133 Cheap Frontier Airlines flights Seattle (SEA) to Chicago (ORD)

Prices were available within the past 7 days and start at $133 for one-way flights and $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 3 - Sat, Aug 22

SEA

Seattle

ORD

Chicago

$266 Roundtrip, found 1 day ago

$266

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 3 from Seattle to Chicago, returning Sat, Aug 22, priced at $266 found 1 day ago

Wed, Aug 5 - Sat, Aug 22

SEA

Seattle

ORD

Chicago

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 5 from Seattle to Chicago, returning Sat, Aug 22, priced at $277 found 1 day ago

Wed, Aug 5 - Sun, Aug 23

SEA

Seattle

ORD

Chicago

$288 Roundtrip, found 1 day ago

$288

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 5 from Seattle to Chicago, returning Sun, Aug 23, priced at $288 found 1 day ago

Fri, Jul 10 - Sat, Aug 8

SEA

Seattle

ORD

Chicago

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 10 from Seattle to Chicago, returning Sat, Aug 8, priced at $301 found 1 day ago

Sun, Jul 5 - Sat, Aug 8

SEA

Seattle

ORD

Chicago

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 5 from Seattle to Chicago, returning Sat, Aug 8, priced at $312 found 1 day ago

Wed, May 27 - Fri, Jun 5

SEA

Seattle

ORD

Chicago

$327 Roundtrip, found 2 days ago

$327

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, May 27 from Seattle to Chicago, returning Fri, Jun 5, priced at $327 found 2 days ago