Cheap Flights from Dallas Fort Worth International to Seattle / Tacoma International

Compare Dallas Fort Worth International to Seattle / Tacoma International flight deals

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Flight deals from Dallas Fort Worth International to Seattle / Tacoma International

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

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

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

Direct flights from Dallas Fort Worth International to Seattle / Tacoma International

Dallas Fort Worth International to Seattle / Tacoma International: Alternative routes

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

Dallas to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 565
Cheapest month to flyDecember
Average flight time4 hrs, 26 mins
Most popular airlineAmerican Airlines
Average flights per week429

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

The best price we found for a return flight from Dallas Fort Worth International to Seattle / Tacoma International is R 1,129. 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.
4 hours and 26 minutes is the average flight time from Dallas Fort Worth International to Seattle / Tacoma International.
American Airlines, Qatar Airways and Air Tahiti Nui fly direct from Dallas Fort Worth International to Seattle / Tacoma International.
As of November 2025, there are 429 flights per week flying from Dallas Fort Worth International to Seattle / Tacoma International.
The cheapest month to fly from Dallas Fort Worth International to Seattle / Tacoma International is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dallas Fort Worth International Airport to Seattle / Tacoma International Airport on Monday, 8 December 2025.
Yes – the average flight time is 4 hours and 26 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 Seattle / Tacoma 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Dallas/Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The average length of a direct flight from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport is 4 hours 20 minutes.

  • Seattle is two hours behind Dallas and is in the UTC-7 timezone.

  • Flights from DFW to SEA start at 06:00 — the earliest with Alaska Airlines. The last service of the day is at 22:35 with American Airlines. Overall, you can choose from 127 weekly Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to board your DFW to SEA flight.

  • Travelling during a peak month like July? Major public holidays and other popular periods can mean longer lines at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • With direct flights from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport operated by a number of airlines, flying to Seattle (and then other destinations in United States) is a snap. Here's who you can fly nonstop with:

  • The airline that passengers book most often on this route is American Airlines.

  • Delta Air Lines is the most punctual carrier that offers DFW to SEA flights. An impressive 80.87% of its departures on this route arrive on time.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Top stopovers between DFW and SEA include:

    • Spokane International Airport

    • Salt Lake City International Airport

    • Denver International Airport

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

  • The cheapest price we've seen for a one-way Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport flight is R 565. A return plane ticket is currently R 1,129. Depending on the availability when you book, these fares can change.

  • To get cheap tickets from DFW to SEA, book your trip six months ahead of your departure date.

  • May is the cheapest month for flights from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport. If you're looking to fly at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Stay on top of deals for cheap flights from DFW to SEA by creating a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport.

Handy information about Dallas/Fort Worth International Airport (DFW)

  • DFW is located at International Pkwy.

  • Of all flights departing from Dallas/Fort Worth International Airport, 73.22% arrive on time at their destination.

  • Dallas/Fort Worth International Airport is about 32 kilometres from central Dallas. If you're driving, ride-sharing or catching a cab from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of roughly 3 hours 55 minutes when using public transport.

  • Get your holiday off to a relaxed start by staying near DFW. Whether you're catching an early flight from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport or just don't like being rushed, these stays are ideal:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is roughly 23 kilometres from the centre of Seattle. The drive time takes about 20 minutes.

  • If you're taking public transport, expect a journey time of roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport is May, while July is the most popular. Choose the best time to go to Seattle based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Dallas/Fort Worth International Airport to Seattle-Tacoma International Airport for August if you'd like to go to Seattle during its warmest month. Expect temperatures of between 12ºC (54ºF) and 28ºC (82ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from DFW to SEA in February. Average temperatures are between -1ºC (30ºF) and 11ºC (52ºF) then.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be discovered after you've seen Seattle. Around 241 kilometres away to the south, top sights here include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another standout destination in United States and is around 370 kilometres east of Seattle. No trip is complete without visiting Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

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