CA $124 Cheap Flights from Dallas (DFW) to Seattle (SEA)

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

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

Prices were available within the past 7 days and start at CA $124 for one-way flights and CA $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Hawaiian Airlines
American Airlines
American Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Delta
Delta
United

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

September is typically the cheapest month to fly

From CA $126 - CA $240 per traveller.

Graph displaying average flight prices per month

Flight from Dallas to Seattle (DFW - SEA) route information
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $268
Distance
2651 km
Average flight time
2 hours 17 mins

Dallas to Seattle Flights

The easy way to book your flights from Dallas to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Dallas whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Dallas to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Dallas-Fort Worth Intl., DFW to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Dallas to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Dallas currently is just CA $269 rising to CA $447.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Dallas 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from DFW to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between DFW Airport and Sea-Tac Airport was CA $269. Fares this cheap don't hang around forever, so make sure you book yours ASAP. 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 to Sea-Tac Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from DFW to Sea-Tac Airport that have flexible change policies?
Plenty of carriers will allow you to move your flight without a change fee. All you pay is the difference in the ticket price. When looking for Dallas Airport to SEA flights, you'll find a "No change fees" box for you to select.
How many hours is the flight from DFW Airport to Seattle - Tacoma Intl. Airport (SEA)?
The average flight between DFW Airport and Sea-Tac Airport is 4 hours and 32 minutes. If you get peckish on longer flights, pack some healthy snacks in your carry-on baggage.
How far is the flight from DFW Airport to SEA?
The flight distance from Dallas to SeaTac is 2,700 kilometres. Bring a drink, a few snacks and something to read. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from DFW to Seattle - Tacoma Intl. Airport (SEA)?
With so many airlines to select from, you should be able to find the perfect flight from DFW Airport to Seattle - Tacoma Intl. Airport (SEA) in a few clicks. Below is a list of the most popular carriers with services between these airports:

  • American Airlines - (AA) with 204 monthly flights
  • Alaska Airlines - (AS) with 117 monthly flights
  • Delta - (DL) with 56 monthly flights
  • Frontier Airlines - (F9) with 8 monthly flights

Are Dallas-Fort Worth Intl. Airport (DFW) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from DFW to Sea-Tac Airport are available up to 12 months prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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