$105 Cheap Frontier Airlines flights Chicago (ORD) to Seattle (SEA)

View $105 flight on Fri, Jun 27, 2025Opens in a new window

$105 Cheap Frontier Airlines flights Chicago (ORD) to Seattle (SEA)

Prices were available within the past 7 days and start at $105 for one-way flights and $326 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 12 - Sun, Sep 21
ORD
Chicago
SEA
Seattle
$326 Roundtrip, found 16 hours ago
$326
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Fri, Sep 12 from Chicago to Seattle, returning Sun, Sep 21, priced at $326 found 16 hours ago
Flights from Chicago (ORD) to Seattle (SEA)
Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, United
Popular airline
Alaska Airlines
Distance
2745 km
Average flight time
2 hours 37 mins