฿3,815 Cheap Flights from Dallas (DFW) to Seattle (SEA)

View ฿3,815 flight on Wed, 7 Jan 2026Opens in a new window

Popular airlines from Dallas-Fort Worth International Airport (DFW) to Seattle

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

Prices were available within the past 7 days and start at ฿3,815 for one-way flights and ฿7,625 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿7,625 Return, found 3 days ago
฿7,625
Return
found 3 days ago
Select Delta flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿7,625 found 3 days ago
Delta
Sat, 21 Feb - Sat, 28 Feb
DFW
Dallas
SEA
Seattle
฿7,940 Return, found 3 days ago
฿7,940
Return
found 3 days ago
Select Delta flight, departing Sat, 21 Feb from Dallas to Seattle, returning Sat, 28 Feb, priced at ฿7,940 found 3 days ago
American Airlines
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿9,390 Return, found 3 days ago
฿9,390
Return
found 3 days ago
Select American Airlines flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿9,390 found 3 days ago
Delta
Sat, 21 Feb - Sat, 28 Feb
DFW
Dallas
SEA
Seattle
฿9,420 Return, found 3 days ago
฿9,420
Return
found 3 days ago
Select Delta flight, departing Sat, 21 Feb from Dallas to Seattle, returning Sat, 28 Feb, priced at ฿9,420 found 3 days ago
Delta
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿9,550 Return, found 3 days ago
฿9,550
Return
found 3 days ago
Select Delta flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿9,550 found 3 days ago
United
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿9,710 Return, found 3 days ago
฿9,710
Return
found 3 days ago
Select United flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿9,710 found 3 days ago
Delta
Sat, 21 Feb - Sat, 28 Feb
DFW
Dallas
SEA
Seattle
฿9,740 Return, found 3 days ago
฿9,740
Return
found 3 days ago
Select Delta flight, departing Sat, 21 Feb from Dallas to Seattle, returning Sat, 28 Feb, priced at ฿9,740 found 3 days ago
United
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿9,880 Return, found 3 days ago
฿9,880
Return
found 3 days ago
Select United flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿9,880 found 3 days ago
Delta
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿10,035 Return, found 3 days ago
฿10,035
Return
found 3 days ago
Select Delta flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿10,035 found 3 days ago
Delta
Wed, 7 Jan - Sun, 11 Jan
DFW
Dallas
SEA
Seattle
฿10,510 Return, found 3 days ago
฿10,510
Return
found 3 days ago
Select Delta flight, departing Wed, 7 Jan from Dallas to Seattle, returning Sun, 11 Jan, priced at ฿10,510 found 3 days ago

Find the cheapest month to fly from Dallas (DFW) to Seattle (SEA)

January is typically the cheapest month to fly

From ฿3,045 - ฿8,164 per traveller.
Flight from Dallas to Seattle route information
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
฿7,625
Distance
2651 km
Average flight time
2 hours 24 mins

Perfect flights from Dallas to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Dallas to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Dallas-Fort Worth Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,815 and roundtrip prices from ฿7,625. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from Dallas-Fort Worth Intl. Airport (DFW) to Sea-Tac Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Dallas-Fort Worth Intl. Airport (DFW) to SEA start from ฿7,625. Make your booking ASAP to secure the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DFW Airport to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be conveniently cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from DFW Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DFW Airport to SEA?
Around 2,700 kilometres separates Dallas and SeaTac, so pack something to help you fill in a few hours. That gripping novel you haven't had time to finish will do the trick.
Which airlines fly direct from Dallas Airport to SEA?
American Airlines (AA) is one of the preferred choices for many travellers flying between Dallas-Fort Worth Intl. Airport (DFW) and SEA. Choose from the 173 flights it offers on this route each month. Operating 139 flights per month on this route, Alaska Airlines (AS) is another good option.
Are Dallas Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Dallas Airport to Seattle - Tacoma Intl. Airport (SEA) are available up to a year before departure on Expedia. And although you may score great last-minute deal, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.
*Available to Expedia members.