Cheap flights from Dallas to Seattle
from 150 US$
From 299 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 150 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Dallas to Seattle, a about 2,703 km route (around 3h 53m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Alaska Airlines, Gulf Air operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Dallas to Seattle?
It's usually 2026-09, from 150 USD. Use the price calendar to compare other dates.
How long is the flight from Dallas to Seattle?
A nonstop flight takes about 3h 53m and covers around 2,703 km. Connecting itineraries take longer.
Are there direct flights from Dallas to Seattle?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Dallas to Seattle?
American Airlines, Alaska Airlines, Gulf Air operate this route, among others. Compare them all in the results.
When should I book Dallas–Seattle flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Dallas → Seattle · Live fares from 100+ sites — free, with no hidden fees.