Dallas to Seattle flights
Round trip · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Dallas → Seattle drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $341 (cheapest month) |
| November 2026 | No fares found yet |
| December 2026 | $432 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 9 – 11 2 nights · leave Fri$341$341 Book
Alaska Airlines Nonstop · 4h 26m -
Dec 18 – 29 11 nights · leave Fri$432$432 Book
Sun Country Airlines 1 stop · 6h 21m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Seattle
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Airport transfer to Seattle
Fixed prices from SEA on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Seattle · Oct 9 – 11Travel insurance · EKTA Airport transfer · Kiwitaxi
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Flights to Seattle from other cities
All flights to Seattle Flying the other way? Seattle to Dallas from $412
Dallas to Seattle: questions
How much is a flight from Dallas to Seattle?
The cheapest round trip we have found right now is $341, leaving October 9 and returning October 11. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from Dallas (United States) to Seattle (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $341, departing October 9 and returning October 11 on a nonstop flight. The cheapest month to fly in our data is October, from $341. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.