Cheap Flights from Seattle to Dallas Fort Worth International

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Flight deals from Seattle to Dallas Fort Worth International

Looking for a cheap last-minute deal or the best return flight from Seattle to Dallas Fort Worth International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Dallas Fort Worth International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Dallas Fort Worth International flights are currently cheapest in December.

Direct flights from Seattle to Dallas Fort Worth International

Seattle to Dallas Fort Worth International: Alternative routes

Compare routes from Seattle to Dallas below. You may find an airport to fly into that's cheaper, faster, or easier than Dallas Fort Worth International.

Seattle to Dallas: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 233
Cheapest month to flyDecember
Average flight time3 hrs, 59 mins
Most popular airlineQatar Airways
Average flights per week816

Finding cheap flights from Seattle to Dallas Fort Worth International: Frequently asked questions

The best price we found for a return flight from Seattle to Dallas Fort Worth International is ر.ق.‏ 443. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 59 minutes is the average flight time from Seattle to Dallas Fort Worth International.
Qatar Airways, American Airlines and Iberia fly direct from Seattle to Dallas Fort Worth International.
As of September 2025, there are 816 flights per week flying from Seattle to Dallas Fort Worth International.
The cheapest month to fly from Seattle to Dallas Fort Worth International is usually December.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Dallas Fort Worth International Airport on Friday, 12 December 2025.
Yes – the average flight time is 3 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dallas Fort Worth International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dallas is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Dallas Fort Worth International is Frontier Airlines .

Flying from Seattle to Dallas/Fort Worth International Airport (DFW): What you need to know

  • Your next big escape starts at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Explore the options for reserving a flight from Seattle to Dallas/Fort Worth International Airport (DFW) departing from this terminal.

  • Expect to be in the air for 3 hours 55 minutes. That's the average time for a direct Seattle to Dallas/Fort Worth International Airport flight.

  • The timezone in Dallas is UTC-5, which is two hours ahead of Seattle. Dallas/Fort Worth International Airport is located in Dallas.

  • With 106 direct flights a week between the two airports, Seattle-Tacoma International Airport (SEA) to Dallas/Fort Worth International Airport (DFW) is the busiest route. American Airlines operates the earliest flight at 12:24am. If you'd like to get more out of your day before jetting off, the latest departure from SEA to DFW is with American Airlines at 11:59pm.

  • To ensure you catch your flight from Seattle to DFW, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • In high season, allow for longer wait times and arrive earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • You can jump on a direct flight from Seattle to Dallas/Fort Worth International Airport (DFW) out of Seattle-Tacoma International Airport (SEA).

  • You'll have your choice of airlines that offer direct flights from Seattle to Dallas/Fort Worth International Airport leaving from SEA. Book your ticket with one of these:

  • The airline most travellers choose when flying between SEA and DFW is American Airlines.

  • The carrier with the top on-time arrival performance on this route is American Airlines.

  • SEA is about 23 kilometres from central Seattle. If you're ride-sharing, driving or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 55 minutes.

  • Looking for a convenient hotel close to Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Dallas/Fort Worth International Airport, these accommodation options will have you sleeping just around the corner from the terminal:

  • 81.27% of flights leaving Seattle-Tacoma International Airport arrive at their destination according to schedule. Given its strong on-time stats, you're unlikely to face delays when flying out of SEA.

Lake Union Sea Plane Base Airport (LKE)

  • On public transport, you can travel from central Seattle to LKE in around 25 minutes. The terminal is roughly 3 kilometres away, and making the trip by car will take approximately 10 minutes.

  • Kick off your holiday early with an extra night away from home. Before catching your Seattle to DFW flight, stay in one of these hotels close to Lake Union Sea Plane Base Airport:

About Dallas/Fort Worth International Airport (DFW)

Getting from Dallas/Fort Worth International Airport (DFW) to central Dallas

  • Central Dallas is around 32 kilometres from Dallas/Fort Worth International Airport and takes about 25 minutes to reach by car. See what your options are for heading into the city, whether that's with a cab, car hire or ride-share.

  • Travelling by public transport takes around 1 hour.

How to find the cheapest flights from Seattle to Dallas/Fort Worth International Airport (DFW)

  • The cheapest price we've found for a one-way ticket from Seattle to Dallas/Fort Worth International Airport is ر.ق.‏ 233. For a return flight on this route, the best price is ر.ق.‏ 443. Depending on how early you book and the availability, these fares may change.

  • To find cheap flights from Seattle to DFW, book early. Airlines usually offer lower fares when tickets first go on sale.

  • Cheap Seattle to Dallas/Fort Worth International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' search function to compare fares across every month and then pick the cheapest day.

  • Be the first to know about deals for flight tickets from Seattle to DFW by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Tailor your flights using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle to Dallas/Fort Worth International Airport.

The best time to fly from Seattle to Dallas/Fort Worth International Airport (DFW)

  • It's time to figure out your travel dates for your flight from Seattle to Dallas/Fort Worth International Airport (DFW). July is when most people visit Dallas. If you like things a bit more low-key, head there in February.

  • The warmest month in Dallas is August, with temperatures ranging between 24ºC and 41ºC. Lock in your Seattle to DFW flight ticket then if that's your idea of comfortable weather.

  • January sees temperatures of between 1ºC and 16ºC. Look for cheap tickets from Seattle to Dallas/Fort Worth International Airport around that time if you like cooler conditions.

More about Dallas

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Dallas right here. Explore these hotels after locking in your flight from Seattle to Dallas/Fort Worth International Airport:

  • There are plenty of things to do in Dallas when you're ready to go sightseeing. Head straight for Meyerson Symphony Centre followed by Winspear Opera House and Dallas Museum of Art.

Explore more of the United States

  • Austin is just one of the many cities in the United States waiting to be explored after you've experienced Dallas. Around 306 kilometres away to the south, its best attractions include Texas State Capitol, Central Park and Austin Museum of Art, Downtown.

  • Shreveport is another well-known destination in the United States and is around 306 kilometres east of Dallas. No journey is complete without seeing Adventure Fun Park, Elvis Presley Statue and Lincoln Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.