DFW to SEA from $257 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Round Trip•Economy

Dallas/Fort Worth International Airport

Dallas-Fort Worth, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$440 USD

-42%$257 USD

Verified 7 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$257 1$257 2$310 3$433 4$439 5$287 6$287 7$287 8$257 9$257 10$257 11$287 12$257 13$287 14$287 15$257 16$257 17$257 18$287 19$257 20$287 21$257 22$257 23$257 24$257 25$287 26$257 27$287 28$257 29$337 30$257 1$257 2$367 3$257 4$287

Rare Availability

7% of dates checked are available within 10% of the lowest price

Friday, September 11th, 2026

2 round-trip options

Returning

Sun, Sep 20, 2026•9 Day Trip

$317 USD

Returning

Mon, Sep 21, 2026•10 Day Trip

$287 USD