$175 Cheap Frontier Airlines flights Chicago (MDW) to Seattle (SEA)

$175 Cheap Frontier Airlines flights Chicago (MDW) to Seattle (SEA)

Prices were available within the past 7 days and start at $175 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 16 - Sun, Aug 17

MDW

Chicago

SEA

Seattle

$355 Roundtrip, found 19 hours ago

$355

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sat, Aug 16 from Chicago to Seattle, returning Sun, Aug 17, priced at $355 found 19 hours ago

Fri, Aug 15 - Sat, Aug 16

MDW

Chicago

SEA

Seattle

$375 Roundtrip, found 19 hours ago

$375

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Chicago to Seattle, returning Sat, Aug 16, priced at $375 found 19 hours ago

Thu, Aug 14 - Sun, Aug 17

MDW

Chicago

SEA

Seattle

$395 Roundtrip, found 19 hours ago

$395

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Chicago to Seattle, returning Sun, Aug 17, priced at $395 found 19 hours ago

Thu, Aug 14 - Sat, Aug 16

MDW

Chicago

SEA

Seattle

$410 Roundtrip, found 19 hours ago

$410

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Chicago to Seattle, returning Sat, Aug 16, priced at $410 found 19 hours ago

Thu, Aug 14 - Fri, Aug 15

MDW

Chicago

SEA

Seattle

$415 Roundtrip, found 19 hours ago

$415

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Chicago to Seattle, returning Fri, Aug 15, priced at $415 found 19 hours ago