Flights San Diego → Seattle

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 5 of 15 dates; the lowest is $146. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	$163	Frontier Airlines F91326 (1st of 2 flights)	9:03 PM San Diego (SAN)	9:42 AM (+1) Sea-Tac (SEA)	1 stop · Las Vegas Harry Reid
Fri, Sep 11	—	—	—	—	—
Sat, Sep 12	—	—	—	—	—
Sun, Sep 13	$154	Frontier Airlines F91326 (1st of 2 flights)	9:03 PM San Diego (SAN)	9:42 AM (+1) Sea-Tac (SEA)	1 stop · Las Vegas Harry Reid
Mon, Sep 14	$146lowest	Frontier Airlines F92818 (1st of 2 flights)	6:25 AM San Diego (SAN)	3:08 PM Sea-Tac (SEA)	1 stop · Denver International
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	—	—	—	—	—
Thu, Sep 17	$146lowest	Frontier Airlines F92818 (1st of 2 flights)	6:25 AM San Diego (SAN)	3:08 PM Sea-Tac (SEA)	1 stop · Denver International
Fri, Sep 18	$151	Frontier Airlines F94990 (1st of 2 flights)	4:54 PM San Diego (SAN)	3:08 PM (+1) Sea-Tac (SEA)	1 stop · Denver International
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	—	—	—	—	—
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	—	—	—	—	—

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

San Diego, United States (SAN, city code)

San Diego International (SAN).

Seattle, United States (SEA, city code)

Seattle-Tacoma (SEA).

FromToDeparture date