$79 Cheap Flights from Dallas (DFW) to Seattle (SEA)

View $79 flight on Mon, Oct 13, 2025Opens in a new window

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

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Today's featured flight deals from Dallas-Fort Worth Intl. Airport (DFW) to Seattle-Tacoma International Airport (SEA)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Dallas to Seattle (DFW-SEA)

Prices were available within the past 7 days and start at $79 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 15 - Fri, Dec 19
DFW
Dallas
SEA
Seattle
$144 Roundtrip, found 9 hours ago
$144
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Dallas to Seattle, returning Fri, Dec 19, priced at $144 found 9 hours ago
Frontier Airlines
Mon, Oct 13 - Mon, Dec 15
DFW
Dallas
SEA
Seattle
$151 Roundtrip, found 2 days ago
$151
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Dallas to Seattle, returning Mon, Dec 15, priced at $151 found 2 days ago
Frontier Airlines
Fri, Dec 12 - Mon, Dec 15
DFW
Dallas
SEA
Seattle
$155 Roundtrip, found 3 hours ago
$155
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Dallas to Seattle, returning Mon, Dec 15, priced at $155 found 3 hours ago
Frontier Airlines
Fri, Oct 24 - Mon, Oct 27
DFW
Dallas
SEA
Seattle
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 24 from Dallas to Seattle, returning Mon, Oct 27, priced at $158 just found
Frontier Airlines
Fri, Dec 5 - Fri, Dec 12
DFW
Dallas
SEA
Seattle
$166 Roundtrip, found 10 hours ago
$166
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Dallas to Seattle, returning Fri, Dec 12, priced at $166 found 10 hours ago
Frontier Airlines
Fri, Oct 31 - Sun, Nov 9
DFW
Dallas
SEA
Seattle
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 31 from Dallas to Seattle, returning Sun, Nov 9, priced at $171 just found
Hawaiian Airlines
Wed, Feb 4 - Wed, Feb 11
DFW
Dallas
SEA
Seattle
$179 Roundtrip, found 9 hours ago
$179
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from Dallas to Seattle, returning Wed, Feb 11, priced at $179 found 9 hours ago
Alaska Airlines
Tue, Jan 20 - Wed, Jan 21
DFW
Dallas
SEA
Seattle
$184 Roundtrip, found 6 days ago
$184
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Jan 20 from Dallas to Seattle, returning Wed, Jan 21, priced at $184 found 6 days ago
Delta
Tue, Nov 18 - Tue, Dec 2
DFW
Dallas
SEA
Seattle
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Nov 18 from Dallas to Seattle, returning Tue, Dec 2, priced at $231 found 1 hour ago
United
Sat, Oct 25 - Tue, Oct 28
DFW
Dallas
SEA
Seattle
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 25 from Dallas to Seattle, returning Tue, Oct 28, priced at $251 found 2 hours ago

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

January is typically the cheapest month to fly

From $95 - $282 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $275
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $275

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) cost?
Get a cheap one-way flight from $79 or cheap return flight from $144 from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
Planning your trip for December is a good way to save, as it's the cheapest month for flights between DFW and SEA. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
Enjoy a seamless journey to Seattle - Tacoma Intl. Airport (SEA). 4 airlines offer direct routes from Dallas-Fort Worth Intl. Airport (DFW), including:

  • American Airlines
  • Alaska Airlines
  • Delta Air Lines

What is the cheapest airline that flies from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
While prices can vary depending on when you travel, Frontier Airlines and Delta Air Lines are popular choices for flights between Dallas-Fort Worth Intl. Airport (DFW) and Seattle - Tacoma Intl. Airport (SEA). You can also compare carriers on Expedia and use the "Sort by" filter to find the best deal for your DFW to SEA flight.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
Every day on average, 12 direct flights operate from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
More passengers fly between DFW and SEA at 7 AM than at any other point in the day. Looking to skip the crowds? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from DFW to SEA?
Friday has the most flights from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA). Consider traveling on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
Catch the earliest flight at around 7:00AM UTC-6, heading out of Dallas-Fort Worth Intl. Airport (DFW). You'll be flying for approximately 4h 40m, reaching Seattle - Tacoma Intl. Airport (SEA) at approximately 9:40AM UTC-8.
How long does it take to fly from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight duration from DFW to SEA is 4 hours and 32 minutes, covering a total distance of 1,650 mi.
What is the best time to fly from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) on time, book a flight that leaves from Dallas-Fort Worth Intl. Airport (DFW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Dallas-Fort Worth Intl. Airport (DFW)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from Dallas-Fort Worth Intl. Airport (DFW). Browse your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from DFW to SEA are generally more expensive. To secure the best rates, start looking for flights well in advance. That said, if your travel plans are flexible, you may score a cheap ticket right before your trip.
Is it cheaper to book a DFW to SEA flight and hotel package?
You'll generally save money by securing a DFW to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your DFW to SEA flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Dallas-Fort Worth Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Sun Country Airlines, United
Roundtrip price
$144
Distance
1657 mi
Average flight time
2 hours 15 mins

Book with confidence

Book with confidence

Dallas to Seattle Flights

The cheapest times to fly from Dallas to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dallas to Seattle are during the month of December. You can find some of the cheapest flights from Dallas to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dallas to Seattle

Sunday is one of the best days to book for cheap flights from Dallas to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dallas to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dallas to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dallas to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dallas to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dallas to Seattle Flights

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