Cheap flights from San Antonio to Northwest Washington

View AU$148 flight on Sat, 16 Aug. 2025Opens in a new window

Popular airlines from San Antonio to Northwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from San Antonio (SAT) to Northwest Washington (SEA)

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

Delta
Sat, 16 Aug. - Fri, 22 Aug.
SAT
San Antonio
SEA
Seattle
AU$296 Return, found 3 hours ago
AU$296
Return
found 3 hours ago
Select Delta flight, departing Sat, 16 Aug. from San Antonio to Seattle, returning Fri, 22 Aug., priced at AU$296 found 3 hours ago
Delta
Fri, 15 Aug. - Thu, 21 Aug.
SAT
San Antonio
SEA
Seattle
AU$299 Return, found 6 days ago
AU$299
Return
found 6 days ago
Select Delta flight, departing Fri, 15 Aug. from San Antonio to Seattle, returning Thu, 21 Aug., priced at AU$299 found 6 days ago
American Airlines
Sat, 16 Aug. - Fri, 22 Aug.
SAT
San Antonio
SEA
Seattle
AU$340 Return, found 3 hours ago
AU$340
Return
found 3 hours ago
Select American Airlines flight, departing Sat, 16 Aug. from San Antonio to Seattle, returning Fri, 22 Aug., priced at AU$340 found 3 hours ago
Delta
Sat, 16 Aug. - Fri, 22 Aug.
SAT
San Antonio
SEA
Seattle
AU$343 Return, found 3 hours ago
AU$343
Return
found 3 hours ago
Select Delta flight, departing Sat, 16 Aug. from San Antonio to Seattle, returning Fri, 22 Aug., priced at AU$343 found 3 hours ago
Alaska Airlines
Sat, 16 Aug. - Fri, 22 Aug.
SAT
San Antonio
SEA
Seattle
AU$359 Return, found 3 hours ago
AU$359
Return
found 3 hours ago
Select Alaska Airlines flight, departing Sat, 16 Aug. from San Antonio to Seattle, returning Fri, 22 Aug., priced at AU$359 found 3 hours ago
United
Sat, 16 Aug. - Fri, 22 Aug.
SAT
San Antonio
SEA
Seattle
AU$382 Return, found 3 hours ago
AU$382
Return
found 3 hours ago
Select United flight, departing Sat, 16 Aug. from San Antonio to Seattle, returning Fri, 22 Aug., priced at AU$382 found 3 hours ago
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