Cheap flights from Seattle to Dallas

Compare flight prices from Seattle to Dallas across airlines and travel sites, see the cheapest month and day to fly, then book direct with the seller.

Lowest fare$149
Cheapest monthDecember 2026
Typical flight time4h 02m
Direct flightsYes

Lowest fare by month

$171November 2026
$149December 2026
–January 2027
–February 2027
–March 2027
–April 2027

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Frequently asked questions

What is the cheapest month to fly from Seattle to Dallas?

December 2026 has had the lowest recent fares, from $149 one way.

How long is the flight from Seattle to Dallas?

A typical flight takes about 4h 02m.

Are there direct flights from Seattle to Dallas?

Yes. Direct flights have been found recently from $149.

Where do I book my ticket?

AirTriply compares fares from airlines and travel agencies. When you choose a deal, you book on the seller's own website.

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