$70 Cheap Flights from Dallas to Seattle

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl.

Amazing DFW to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $139 round trip and $70 one way. Prices and availability subject to change. Additional terms may apply.

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

Level Seattle Downtown - South Lake Union
Hyatt Regency Lake Washington at Seattle’s Southport
Hyatt At Olive 8
La Quinta Inn & Suites by Wyndham Seattle Sea-Tac Airport
Staybridge Suites Seattle - South Lake Union, an IHG Hotel
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Frequently asked questions

Can I catch a flight from DFW Airport to Seattle - Tacoma Intl. Airport (SEA) right now?
For info on any current Seattle - Tacoma Intl. Airport (SEA) quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up.
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.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Sea-Tac Airport, please visit our Customer Service Portal.
How long is the flight from Dallas-Fort Worth Intl. Airport (DFW) to SEA?
The travel time between Dallas-Fort Worth Intl. Airport (DFW) and Sea-Tac Airport is around 4 hours and 21 minutes. Make your trip comfortable by downloading a movie or a few TV shows on your laptop or phone and enjoying them with your seat fully reclined.
What is the flight distance from DFW Airport to SEA?
You’ll need to travel about 1,650 mi from Dallas-Fort Worth Intl. Airport (DFW) to Sea-Tac Airport before you can officially begin your fun activities. Grab something refreshing when the drink cart rolls by and catch up on a couple of your favorite shows. You’ll have lots of time!
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 airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity 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 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Dallas-Fort Worth Intl.
Traveling To Seattle - Tacoma Intl.
Shortest Flight Time 4 hours 20 mins
Earliest Departure Time 6:15AM CST
Latest Departure Time 7:30PM CST
Lowest Flight Price $139

Route Info

Flight path for flights from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport

1,667.00 miles

Airlines & Aircraft Used on DFW to SEA Flight Routes

Airline Carrier
American Airlines
Airbus A330-300
American Airlines
Boeing 737 all pax models
American Airlines
Canadair Regional Jet
American Airlines
Embraer RJ145 Amazon

Discover our best flights from Dallas DFW to Seattle SEA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Dallas DFW to Seattle SEA at the right price  

Airfares to Seattle SEA from Dallas DFW currently cost between $139 and $167. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Dallas DFW to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Dallas DFW to Seattle SEA on Travelocity starting at $70. Prices and availability subject to change. Additional terms may apply. 


Get to Seattle SEA from Dallas DFW quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from DFW to take around 4 hour(s) 20 min(s).  


Find our cheapest airfares for flights from Dallas DFW to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from DFW. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Dallas DFW to Seattle SEA today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Dallas DFW to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Seattle SEA from Dallas DFW 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from DFW have this option.  


Travel with confidence when you book flights to Seattle SEA from Dallas DFW with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*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.