Cheap Frontier Airlines flights Seattle (SEA) to Missoula (MSO)

Cheap Frontier Airlines flights Seattle (SEA) to Missoula (MSO)

Prices were available within the past 7 days and start at for one-way flights and $340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 17 - Mon, Jul 21

SEA

Seattle

MSO

Missoula

$340 Roundtrip, found 2 days ago

$340

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Seattle to Missoula, returning Mon, Jul 21, priced at $340 found 2 days ago