$90 Cheap Flights from Seattle (SEA) to Dallas (DFW)

View $90 flight on Fri, Oct 31, 2025Opens in a new window

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

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

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Seattle to Dallas (SEA-DFW)

Prices were available within the past 7 days and start at $90 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Oct 20 - Mon, Oct 27
SEA
Seattle
DFW
Dallas
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Oct 20 from Seattle to Dallas, returning Mon, Oct 27, priced at $170 found 2 hours ago
Frontier Airlines
Mon, Oct 13 - Fri, Oct 17
SEA
Seattle
DFW
Dallas
$179 Roundtrip, found 3 hours ago
$179
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Oct 13 from Seattle to Dallas, returning Fri, Oct 17, priced at $179 found 3 hours ago
Frontier Airlines
Fri, Oct 17 - Fri, Oct 24
SEA
Seattle
DFW
Dallas
$187 Roundtrip, found 10 hours ago
$187
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Seattle to Dallas, returning Fri, Oct 24, priced at $187 found 10 hours ago
Frontier Airlines
Mon, Oct 20 - Tue, Oct 21
SEA
Seattle
DFW
Dallas
$194 Roundtrip, just found
$194
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 20 from Seattle to Dallas, returning Tue, Oct 21, priced at $194 just found
Frontier Airlines
Wed, Oct 15 - Mon, Oct 20
SEA
Seattle
DFW
Dallas
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Oct 15 from Seattle to Dallas, returning Mon, Oct 20, priced at $198 found 1 hour ago
Frontier Airlines
Mon, Oct 20 - Mon, Oct 27
SEA
Seattle
DFW
Dallas
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Oct 20 from Seattle to Dallas, returning Mon, Oct 27, priced at $199 found 2 hours ago
Alaska Airlines
Fri, Oct 31 - Sat, Nov 1
SEA
Seattle
DFW
Dallas
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Oct 31 from Seattle to Dallas, returning Sat, Nov 1, priced at $199 just found
American Airlines
Wed, Nov 19 - Thu, Nov 27
SEA
Seattle
DFW
Dallas
$199 Roundtrip, just found
$199
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 19 from Seattle to Dallas, returning Thu, Nov 27, priced at $199 just found
Delta
Wed, Nov 19 - Thu, Nov 27
SEA
Seattle
DFW
Dallas
$199 Roundtrip, just found
$199
Roundtrip
just found
Select Delta flight, departing Wed, Nov 19 from Seattle to Dallas, returning Thu, Nov 27, priced at $199 just found
United
Tue, Oct 28 - Wed, Oct 29
SEA
Seattle
DFW
Dallas
$234 Roundtrip, just found
$234
Roundtrip
just found
Select United flight, departing Tue, Oct 28 from Seattle to Dallas, returning Wed, Oct 29, priced at $234 just found

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

September is typically the cheapest month to fly

From $92 - $210 per traveler.

Graph displaying average flight prices per month

Alternative airports near Dallas

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

Select flight to Love Field DAL. Closest option available. Average driving time to city center is 10 minutes. Flights from $391
DAL
Love Field
Closest
Average driving time to city center10 min
Flights from $391
Flights from Seattle (SEA) to Dallas (DFW)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Dallas-Fort Worth Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Sun Country Airlines, United
Roundtrip price
$170
Distance
1657 mi
Average flight time
5 hours 56 mins

Seattle to Dallas Flights

The cheapest times to fly from Seattle to Dallas

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 Seattle to Dallas are during the month of October. You can find some of the cheapest flights from Seattle to Dallas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Dallas

Sunday is one of the best days to book for cheap flights from Seattle to Dallas: 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 Seattle to Dallas

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 Seattle to Dallas in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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 Seattle to Dallas 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 Seattle to Dallas 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW) cost?
Secure a cheap one-way flight from $90 or cheap return flight from $170 from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
October is the most affordable month to fly from SEA to DFW. Timing your trip outside of the busy season is often the key to scoring lower fares.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
You can choose from 4 airlines that fly direct from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW). Including:

  • American Airlines
  • Alaska Airlines
  • Delta Air Lines

What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
Frontier Airlines and Delta Air Lines are some popular carriers offering reasonable fares. Remember that flight prices from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW) can vary depending on departure dates, demand and how early you book. With Expedia's filter tool, you can easily find a SEA to DFW flight that fits your preferences and budget.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
With an average of 12 nonstop flights that operate from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW) every day, you'll be up in the air in no time.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
More people fly between SEA and DFW at 10 AM than at any other point in the day. Rather go when it's quieter? Try choosing a quieter departure window and you're likely to save on your fare as well.
What day of the week has the most flights from SEA to DFW?
Jet off on a Friday if you're looking for the biggest selection of flights from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
Take the earliest flight at around 12:45AM UTC-8, departing from Seattle - Tacoma Intl. Airport (SEA). You'll be traveling for approximately 3h 53m, arriving at Dallas-Fort Worth Intl. Airport (DFW) at approximately 6:38AM UTC-6.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
It takes roughly 3 hours and 56 minutes to fly the 1,650 mi from SEA to DFW.
What airline has the least delays from SEA to DFW?
With 100% of journeys typically landing on schedule, Delta Air Lines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW). To keep track of your flight status and receive notifications about any changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
To touch down at Dallas-Fort Worth Intl. Airport (DFW) on time, opt for a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Dallas from Seattle - Tacoma Intl. Airport (SEA)?
You can land at Dallas-Fort Worth Intl. Airport (DFW) or Love Field Airport (DAL) when you travel to Dallas on a direct flight from Seattle - Tacoma Intl. Airport (SEA).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW) last-minute?
Last-minute fares from SEA to DFW are generally more expensive. To lock in the best rates, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a SEA to DFW flight and hotel package?
Opting for a SEA to DFW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Dallas-Fort Worth Intl. Airport (DFW)?
Typically, you can cancel or reschedule your SEA to DFW flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.