Cheap Flights From Dallas-Fort Worth Intl. (DFW) To Seattle - Tacoma Intl. (SEA)

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Cheapest Flights from Dallas (DFW) to Seattle (SEA)

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $411 round trip and CA $204 one way. Prices and availability subject to change. Additional terms may apply.

Wed, May 20 - Wed, Jun 3
DFW
Dallas
SEA
Seattle
CA $411 Roundtrip, found 2 days ago
CA $411
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 20 from Dallas to Seattle, returning Wed, Jun 3, priced at CA $411 found 2 days ago
Thu, Apr 16 - Wed, Apr 22
DFW
Dallas
SEA
Seattle
CA $428 Roundtrip, found 1 day ago
CA $428
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Apr 16 from Dallas to Seattle, returning Wed, Apr 22, priced at CA $428 found 1 day ago
Tue, Apr 14 - Sat, May 2
DFW
Dallas
SEA
Seattle
CA $441 Roundtrip, found 6 days ago
CA $441
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Apr 14 from Dallas to Seattle, returning Sat, May 2, priced at CA $441 found 6 days ago
Wed, May 20 - Wed, Jun 3
DFW
Dallas
SEA
Seattle
CA $464 Roundtrip, found 2 days ago
CA $464
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 20 from Dallas to Seattle, returning Wed, Jun 3, priced at CA $464 found 2 days ago
Tue, Jun 2 - Tue, Jun 9
DFW
Dallas
SEA
Seattle
CA $478 Roundtrip, found 2 days ago
CA $478
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Dallas to Seattle, returning Tue, Jun 9, priced at CA $478 found 2 days ago
Mon, May 4 - Tue, May 12
DFW
Dallas
SEA
Seattle
CA $479 Roundtrip, found 3 days ago
CA $479
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, May 4 from Dallas to Seattle, returning Tue, May 12, priced at CA $479 found 3 days ago
Thu, Apr 16 - Wed, Apr 22
DFW
Dallas
SEA
Seattle
CA $490 Roundtrip, found 1 day ago
CA $490
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Apr 16 from Dallas to Seattle, returning Wed, Apr 22, priced at CA $490 found 1 day ago
Wed, May 20 - Wed, Jun 3
DFW
Dallas
SEA
Seattle
CA $493 Roundtrip, found 2 days ago
CA $493
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 20 from Dallas to Seattle, returning Wed, Jun 3, priced at CA $493 found 2 days ago
Wed, May 20 - Wed, Jun 3
DFW
Dallas
SEA
Seattle
CA $508 Roundtrip, found 2 days ago
CA $508
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, May 20 from Dallas to Seattle, returning Wed, Jun 3, priced at CA $508 found 2 days ago
Tue, Jun 2 - Tue, Jun 9
DFW
Dallas
SEA
Seattle
CA $518 Roundtrip, found 2 days ago
CA $518
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Dallas to Seattle, returning Tue, Jun 9, priced at CA $518 found 2 days ago

Frequently asked questions

Are there direct flights from Dallas Airport to Seattle - Tacoma Intl. Airport (SEA)?
Kick off your getaway calm and relaxed and head straight to Seattle - Tacoma Intl. Airport (SEA) from DFW. American Airlines and Alaska Airlines are among the airlines that have direct services on this flight route.
What airlines fly from Dallas Airport to Sea-Tac Airport?
You'll find a few airlines that fly direct between Dallas and Seattle. American Airlines (AA) is one of the most liked. This air carrier operates approximately 208 flights each month. Another attractive option is Alaska Airlines (AS), which offers 121 flights every month. The more air carriers you consider, the more likely you are to snap up a wonderful deal.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.