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

View AU$238 flight on Tue, 29 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$475 Return, found 11 hours ago
AU$475
Return
found 11 hours ago
Select American Airlines flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$475 found 11 hours ago
Delta
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$475 Return, found 11 hours ago
AU$475
Return
found 11 hours ago
Select Delta flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$475 found 11 hours ago
Alaska Airlines
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$476 Return, found 11 hours ago
AU$476
Return
found 11 hours ago
Select Alaska Airlines flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$476 found 11 hours ago
American Airlines
Mon, 19 Oct - Wed, 21 Oct
SEA
Seattle
DFW
Dallas
AU$479 Return, found 4 days ago
AU$479
Return
found 4 days ago
Select American Airlines flight, departing Mon, 19 Oct from Seattle to Dallas, returning Wed, 21 Oct, priced at AU$479 found 4 days ago
American Airlines
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$489 Return, found 11 hours ago
AU$489
Return
found 11 hours ago
Select American Airlines flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$489 found 11 hours ago
American Airlines
Mon, 19 Oct - Wed, 21 Oct
SEA
Seattle
DFW
Dallas
AU$493 Return, found 4 days ago
AU$493
Return
found 4 days ago
Select American Airlines flight, departing Mon, 19 Oct from Seattle to Dallas, returning Wed, 21 Oct, priced at AU$493 found 4 days ago
American Airlines
Thu, 10 Sept - Wed, 16 Sept
SEA
Seattle
DFW
Dallas
AU$493 Return, found 1 day ago
AU$493
Return
found 1 day ago
Select American Airlines flight, departing Thu, 10 Sept from Seattle to Dallas, returning Wed, 16 Sept, priced at AU$493 found 1 day ago
Alaska Airlines
Thu, 19 Nov - Fri, 4 Dec
SEA
Seattle
DFW
Dallas
AU$497 Return, found 3 days ago
AU$497
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 19 Nov from Seattle to Dallas, returning Fri, 4 Dec, priced at AU$497 found 3 days ago
American Airlines
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$503 Return, found 11 hours ago
AU$503
Return
found 11 hours ago
Select American Airlines flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$503 found 11 hours ago
United
Wed, 23 Sept - Tue, 29 Sept
SEA
Seattle
DFW
Dallas
AU$644 Return, found 11 hours ago
AU$644
Return
found 11 hours ago
Select United flight, departing Wed, 23 Sept from Seattle to Dallas, returning Tue, 29 Sept, priced at AU$644 found 11 hours ago

Alternative airports near Dallas

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

Select flight to Dallas-Fort Worth Intl. DFW. Cheapest option available. Average driving time to city centre is 21 minutes. Flights from AU$631
DFW
Dallas-Fort Worth Intl.
Cheapest
Average driving time to city centre21 min
Flights from AU$631

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

September is typically the cheapest month to fly

From AU$339 - AU$402 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) cost?
You can find one-way and return flights from SEA to DFW with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to DFW ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA) to Dallas, TX (DFW)?
The cheapest months to fly from Seattle, WA (SEA) to Dallas, TX (DFW) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
There are 3 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW). Here are some of the top carriers:
  • American Airlines operates 60 direct flights from SEA to DFW every week.
  • Delta operates 14 direct flights from SEA to DFW every week.
  • Finnair operates 14 direct flights from SEA to DFW every week.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The best time to fly from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW) is often January. This month offers a great balance, as it's one of the cheapest times to fly, with return flights averaging around AU$416, and it's also a popular time to travel, meaning you'll have plenty of flight options to choose from. If you're flexible, January gives you both affordable fares and excellent flight schedules to work with.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
You'll find around 11 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW). For even more choices, look at flights that include layovers, as there are approximately 79 connecting flights per day. Some common connection points include Denver Intl. (DEN), O'Hare Intl. (ORD), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW) typically departs around 12:05 AM local time, operated by American Airlines. This is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
You'll generally find the most flights from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW) on a Monday, with around 101 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines. Flight options are notably more plentiful on Mondays compared to other days of the week.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW) are in the morning, between 6am and 9am. Many major carriers, including Alaska Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
A nonstop flight from Seattle - Tacoma Intl. (SEA) to Dallas-Fort Worth Intl. (DFW) typically takes around 4 hours, covering a distance of approximately 2,667 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 9 hours 30 minutes. Flights with two or more stops generally take about 11 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
Yes, you can fly business class or first class between SEA and DFW. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • Frontier Airlines
  • Delta
  • American Airlines
First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Seattle, WA (SEA) to Dallas, TX (DFW) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Dallas, TX (DFW) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Dallas, TX (DFW) from Seattle, WA (SEA)?
If you're planning to travel to Dallas from Seattle - Tacoma Intl. (SEA), you can fly directly into Dallas-Fort Worth Intl. (DFW). Some flights may connect through major hubs like Harry Reid International Airport (LAS), San Francisco Intl. (SFO), or Denver Intl. (DEN) before reaching Dallas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA) to Dallas, TX (DFW) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Dallas, TX (DFW) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA) to Dallas, TX (DFW) flight and hotel package?
Securing a Seattle, WA (SEA) to Dallas, TX (DFW) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dallas, TX (DFW-Dallas-Fort Worth Intl.) 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 ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Dallas-Fort Worth Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
AU$470
Distance
2651 km
Average flight time
5 hours 59 mins

Book with confidence

Your quick guide to flights from Seattle to Dallas

Pick up great flights from Seattle to Dallas

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Dallas. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Dallas that take around hours.

Find cheap flights from Seattle to Dallas

From the great flight deals with prices currently ranging from AU$475 to AU$644, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Dallas around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Dallas is normally in September.

Reasons to book your flight from Seattle to Dallas with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Dallas across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Dallas right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Seattle to Dallas

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*Available to Expedia members.