£94 Cheap Flights from Dallas (DFW) to Seattle (SEA)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at £94 for one-way flights and £197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Flight from Dallas to Seattle route information
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£196
Distance
2651 km

Compare flights from Dallas to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dallas to Seattle. Operating between them 47 flights per day, 20 airlines cover the route. And American Airlines, Condor, Qatar Airways, JAL, Alaska Airlines, Finnair, Iberia, Korean Air, Air Tahiti Nui, Gol, Singapore Airlines, Gulf Air, British Airways fly direct, getting you to Seattle - Tacoma Intl. in just 4hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dallas-Fort Worth Intl. (DFW) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Dallas to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl. start at just £197 and range up to £219.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dallas and Seattle
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dallas to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £197. 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.
Dallas Airports

Dallas

*Available to Expedia members.