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

Popular airlines from Seattle-Tacoma International Airport (SEA) to Love Field Airport (DAL)

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to Dallas (SEA-DAL)

Prices were available within the past 7 days and start at $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Delta
Alaska Airlines
Flights from Seattle (SEA) to Dallas (DAL)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Love Field
Airlines serving
Alaska Airlines, Delta, Southwest Airlines
Roundtrip price
$179
Distance
1667 mi

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 June. 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 long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to DAL?
With Alaska Airlines, a direct flight takes about 3 hours and 59 minutes. Jump on the 7:35AM flight from Sea-Tac Airport and come in to land at Love Field Airport (DAL) at 1:34PM. Walk away with an epic deal on this and many other routes when you use Expedia to book your journey.
Is it cheaper to buy a plane ticket from Sea-Tac Airport to DAL last minute?
Booking your trip from Sea-Tac Airport to Love Field Airport (DAL) last minute could help you save if you hit the jackpot and find a real bargain. However, tickets typically don’t come down in price as the date of departure nears. If you procrastinate, flights could also be booked up or the best seats gone (hello, middle seat!). If you want to be on the safe side, book well in advance of your departure date. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your favorite airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What airports do you fly into for Dallas from Seattle?
From Seattle, you can journey to Dallas via Love Field Airport (DAL), Dallas-Fort Worth Intl. Airport (DFW) and Addison Airport (ADS). Find out which hub is right for you before making your decision. If you pick Love Field Airport (DAL), it’s roughly 5 mi northwest of the center of the city. Use the money you save when booking your trip with Expedia to explore the city’s top attractions, such as American Airlines Center and Dallas World Aquarium.
What are the most popular departure times for flights from SEA to Love Field Airport (DAL)?
For Alaska Airlines flights jetting out from Sea-Tac Airport to Dallas Love Field, the most popular period is between 7:00 AM - 8:00 AM. If you want to avoid holdups, fly in the morning. This way you’re more likely to escape the air traffic that builds up around airports in the afternoon.
Can I change the date of my flight from Sea-Tac Airport to DAL?
We know life happens and plans change, so Expedia is here to help make things easy. To start, access your Sea-Tac Airport to DAL itinerary through the Expedia Trips portal and check the ticket conditions and rules about what changes are allowed. If you booked your airfare in the last 24 hours, some airlines will let you cancel for free and book new flights. If you booked more than 24 hours ago, get in touch with us through our Customer Service portal to see how we can help.

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