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 $269 round trip and CA $111 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug. 23 - Sat, Aug. 30
DFW
Dallas
SEA
Seattle
CA $269 Roundtrip, found 1 day ago
CA $269
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug. 23 from Dallas to Seattle, returning Sat, Aug. 30, priced at CA $269 found 1 day ago
Sun, Aug. 31 - Sat, Sep. 6
DFW
Dallas
SEA
Seattle
CA $271 Roundtrip, just found
CA $271
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Aug. 31 from Dallas to Seattle, returning Sat, Sep. 6, priced at CA $271 just found
Sun, Aug. 31 - Sat, Sep. 6
DFW
Dallas
SEA
Seattle
CA $276 Roundtrip, just found
CA $276
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Aug. 31 from Dallas to Seattle, returning Sat, Sep. 6, priced at CA $276 just found
Mon, Aug. 4 - Wed, Aug. 20
DFW
Dallas
SEA
Seattle
CA $289 Roundtrip, found 3 days ago
CA $289
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Aug. 4 from Dallas to Seattle, returning Wed, Aug. 20, priced at CA $289 found 3 days ago
Wed, Sep. 24 - Wed, Oct. 1
DFW
Dallas
SEA
Seattle
CA $296 Roundtrip, found 2 days ago
CA $296
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep. 24 from Dallas to Seattle, returning Wed, Oct. 1, priced at CA $296 found 2 days ago
Wed, Sep. 24 - Wed, Oct. 1
DFW
Dallas
SEA
Seattle
CA $298 Roundtrip, found 5 days ago
CA $298
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Sep. 24 from Dallas to Seattle, returning Wed, Oct. 1, priced at CA $298 found 5 days ago
Wed, Sep. 24 - Wed, Oct. 1
DFW
Dallas
SEA
Seattle
CA $309 Roundtrip, found 2 days ago
CA $309
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Sep. 24 from Dallas to Seattle, returning Wed, Oct. 1, priced at CA $309 found 2 days ago
Sat, Aug. 23 - Sat, Aug. 30
DFW
Dallas
SEA
Seattle
CA $310 Roundtrip, found 1 day ago
CA $310
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug. 23 from Dallas to Seattle, returning Sat, Aug. 30, priced at CA $310 found 1 day ago
Wed, Sep. 24 - Wed, Oct. 1
DFW
Dallas
SEA
Seattle
CA $312 Roundtrip, found 5 days ago
CA $312
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Sep. 24 from Dallas to Seattle, returning Wed, Oct. 1, priced at CA $312 found 5 days ago
Sun, Aug. 31 - Sat, Sep. 6
DFW
Dallas
SEA
Seattle
CA $325 Roundtrip, just found
CA $325
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Aug. 31 from Dallas to Seattle, returning Sat, Sep. 6, priced at CA $325 just found

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.
*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.