Cheap Flights from SeaTac from ฿1,735

View ฿1,735 flight on Thu, 8 Jan 2026Opens in a new window

Popular airlines from SeaTac

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from SeaTac

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 8 Jan - Thu, 15 Jan
SEA
Seattle
LAS
Las Vegas
฿3,330 Return, found 17 hours ago
฿3,330
Return
found 17 hours ago
Select Delta flight, departing Thu, 8 Jan from Seattle to Las Vegas, returning Thu, 15 Jan, priced at ฿3,330 found 17 hours ago
Delta
Wed, 3 Dec - Sat, 6 Dec
SEA
Seattle
SFO
San Francisco
฿3,850 Return, found 5 hours ago
฿3,850
Return
found 5 hours ago
Select Delta flight, departing Wed, 3 Dec from Seattle to San Francisco, returning Sat, 6 Dec, priced at ฿3,850 found 5 hours ago
Alaska Airlines
Tue, 18 Nov - Sat, 6 Dec
PAE
Seattle
SFO
San Francisco
฿3,855 Return, found 3 days ago
฿3,855
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 18 Nov from Seattle to San Francisco, returning Sat, 6 Dec, priced at ฿3,855 found 3 days ago
Delta
Thu, 13 Nov - Mon, 17 Nov
SEA
Seattle
SFO
San Francisco
฿3,865 Return, found 3 days ago
฿3,865
Return
found 3 days ago
Select Delta flight, departing Thu, 13 Nov from Seattle to San Francisco, returning Mon, 17 Nov, priced at ฿3,865 found 3 days ago
Delta
Sat, 6 Dec - Sun, 7 Dec
SEA
Seattle
SFO
San Francisco
฿4,015 Return, found 14 hours ago
฿4,015
Return
found 14 hours ago
Select Delta flight, departing Sat, 6 Dec from Seattle to San Francisco, returning Sun, 7 Dec, priced at ฿4,015 found 14 hours ago
Delta
Fri, 5 Dec - Sun, 7 Dec
SEA
Seattle
SFO
San Francisco
฿4,180 Return, found 14 hours ago
฿4,180
Return
found 14 hours ago
Select Delta flight, departing Fri, 5 Dec from Seattle to San Francisco, returning Sun, 7 Dec, priced at ฿4,180 found 14 hours ago
Alaska Airlines
Mon, 22 Dec - Wed, 7 Jan
SEA
Seattle
SFO
San Francisco
฿4,185 Return, found 3 days ago
฿4,185
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 22 Dec from Seattle to San Francisco, returning Wed, 7 Jan, priced at ฿4,185 found 3 days ago
Delta
Sat, 20 Dec - Tue, 6 Jan
SEA
Seattle
SFO
San Francisco
฿4,200 Return, found 3 days ago
฿4,200
Return
found 3 days ago
Select Delta flight, departing Sat, 20 Dec from Seattle to San Francisco, returning Tue, 6 Jan, priced at ฿4,200 found 3 days ago
United
Wed, 3 Dec - Sat, 6 Dec
SEA
Seattle
SFO
San Francisco
฿5,490 Return, found 5 hours ago
฿5,490
Return
found 5 hours ago
Select United flight, departing Wed, 3 Dec from Seattle to San Francisco, returning Sat, 6 Dec, priced at ฿5,490 found 5 hours ago
American Airlines
Wed, 3 Dec - Sat, 6 Dec
SEA
Seattle
SFO
San Francisco
฿7,440 Return, found 5 hours ago
฿7,440
Return
found 5 hours ago
Select American Airlines flight, departing Wed, 3 Dec from Seattle to San Francisco, returning Sat, 6 Dec, priced at ฿7,440 found 5 hours ago

Flights from SeaTac: Essential Travel Information

Cheapest flight from SeaTac
฿3,330 (roundtrip)
Best airlines to fly from SeaTac
Delta, Alaska Airlines, United, American Airlines
Cheapest month to fly from SeaTac
January
SeaTac IATA code
SEA
SeaTac Country/State
Seattle
Airline ticket deals from SeaTac
฿3,330 - ฿7,440

 

*Available to Expedia members.