Seattle to Dallas 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 Seattle → Dallas 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 | $412 (cheapest month) |
| November 2026 | No fares found yet |
| December 2026 | $473 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 9 – 12 3 nights · leave Fri$412$412 Book
Frontier Airlines 1 stop · 5h 18m -
Dec 23 – Jan 3, 2027 11 nights · leave Wed$473$473 Book
Southwest Airlines 1 stop · 5h 15m -
Dec 26 – Jan 3, 2027 8 nights · leave Sat$487$487 Book
Alaska Airlines Nonstop · 3h 52m -
Dec 19 – 27 8 nights · leave Sat$544$544 Book
American Airlines Nonstop · 4h 04m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Dallas
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Plan the rest of your trip
Dallas · Oct 9 – 12Travel insurance · EKTA Airport transfer · Kiwitaxi
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Seattle to Dallas: questions
How much is a flight from Seattle to Dallas?
The cheapest round trip we have found right now is $412, leaving October 9 and returning October 12. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from Seattle (United States) to Dallas (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $412, departing October 9 and returning October 12. The cheapest month to fly in our data is October, from $412. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.