Cheap Flights from Dallas (DFWA) to Seattle (SEAA)

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Flight deals from Dallas to Seattle

Looking for a cheap last-minute deal or the best return flight from Dallas to Seattle? If you want to travel next month, return fares start from $212. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dallas to Seattle

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

Direct flights from Dallas to Seattle

Dallas to Seattle: Flight information

The things to know before you go.
Cheapest flight found$207
Cheapest month to flyAugust
Average flight time4 hrs, 23 mins
Most popular airlineAmerican Airlines
Average flights per week507

Finding cheap flights from Dallas to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Dallas to Seattle is $207. 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 22 minutes is the average flight time from Dallas to Seattle.
American Airlines, Qatar Airways and Alaska Airlines fly direct from Dallas to Seattle.
As of July 2026, there are 507 flights per week flying from Dallas to Seattle.
The cheapest month to fly from Dallas to Seattle is usually August.
If you're flying from Dallas, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $207.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Dallas to Seattle on Tuesday, 25 August 2026.
Yes – the average flight time is 4 hours and 22 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 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.

In July, the average temperature is usually around 17°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
The cheapest airline that flies to Seattle is Frontier Airlines. And the cheapest airline that flies to Seattle Boeing Fld Airport is Alaska Airlines.

Flying from Dallas to Seattle: what you need to know

  • Start your journey at one of Dallas's main airports, Dallas Fort Worth International Airport (DFW) or Dallas Love Field Airport (DAL). Explore your options for booking a flight from Dallas to Seattle departing from either of these.

  • When it comes to landing in Seattle, Seattle / Tacoma International Airport (SEA) is a key hub. Another is Paine Field Airport (PAE).

  • Hop on a direct Dallas to Seattle flight and you'll be in the air for an average of 4 hours 20 minutes.

  • Seattle is two hours behind Dallas and is in the UTC-8 timezone.

  • Dallas Fort Worth International Airport (DFW) to Seattle / Tacoma International Airport (SEA) is the most popular route that connects these two cities. There are 103 departures a week to pick from. If you prefer starting your day later, the last flight from Dallas to Seattle is with American Airlines at 22:40. Choose the first DFW to SEA departure with Alaska Airlines at 06:00 to maximise your time in Seattle.

  • To ensure you don't miss your Dallas to Seattle flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is a good rule of thumb.

  • Travelling during a peak time like July? Public holidays and other popular periods can lead to longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Dallas to Seattle

  • To pick up cheap Dallas to Seattle flights, book in advance. Airlines usually offer lower prices when tickets first go on sale.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your plane ticket from Dallas to Seattle.

  • Stay on top of deals for cheap flights from Dallas to Seattle by creating a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

  • Select your preferred arrival and departure times, number of stops and airlines by using the filters. Alternatively, sort your Dallas to Seattle flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from Dallas

Dallas Fort Worth International Airport (DFW)

  • If you're looking for a direct flight from Dallas to Seattle, you can depart from Dallas Fort Worth International Airport (DFW). Fly from DFW to Seattle / Tacoma International Airport (SEA) in one seamless trip.

  • You'll find a variety of carriers offering direct Dallas to Seattle plane tickets with departures from DFW, including:

  • Located around 24 kilometres from the centre of Dallas, DFW can be reached in about 25 minutes by car (depending on traffic). The journey on public transport takes roughly 1 hour.

  • Need a convenient hotel close to Dallas Fort Worth International Airport? If you're boarding an early flight from Dallas to Seattle, these stays will put you moments from check-in:

  • 72% of flights leaving from Dallas Fort Worth International Airport reach their destination on schedule.

  • The address for DFW is 2400 Aviation Dr.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

  • Seattle / Tacoma International Airport (SEA) is approximately 19 kilometres from the centre of Seattle. If you're catching a taxi or a ride-share, the drive takes around 25 minutes.

  • Getting there on public transport will take you around 35 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Dallas to Seattle. Stay at one of these accommodation options near SEA instead:

  • Travel at your own pace with a Seattle / Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and see more of Seattle and beyond.

  • Lock in the best rate by booking your vehicle from Seattle / Tacoma International Airport about one week before your travel date.

Paine Field Airport (PAE)

  • The centre of Seattle is about 32 kilometres from Paine Field Airport (PAE). As soon as your flight from Dallas to Seattle has hit the runway and you've made your way to arrivals, expect a drive of about 20 minutes.

  • If you travel by public transport, you'll reach the centre in 40 minutes or so.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near PAE. Here are a few options where you can take a load off after your flight from Dallas to Seattle:

  • Why waste time waiting for public transport? A Paine Field Airport rental car lets you start your journey right away. Roll down your windows and hit the highway with a set of wheels from Budget or Enterprise.

  • Typically, the earlier you book, the better the prices and vehicle selection. Secure your ride from PAE as soon as your plans are confirmed.

Seattle Boeing Fld Airport (BFI)

  • Seattle Boeing Fld Airport (BFI) is roughly 11 kilometres from the centre of Seattle. It'll take you about 20 minutes to reach the city centre in a ride-share or taxi once you've hopped off your flight from Dallas to Seattle.

  • Public transport will take you there in around 35 minutes.

  • Begin your journey without worrying about how to get to your destination with a Seattle Boeing Fld Airport rental car. You can book with reliable names here like Alamo, Budget and Avis.

  • Home agencies sometimes offer deals for early bookings, so reserve your ride from BFI in advance of your flight from Dallas to Seattle. A little planning can save you money.

Best time to go to Seattle

  • July is the busiest month for flights from Dallas to Seattle. To steer clear of the crowds, head to Seattle in March.

  • When booking your Dallas to Seattle tickets, think about the kind of weather forecast you're hoping for. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • Look for cheap flights from Dallas to Seattle in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. As soon as you've booked your flight from Dallas to Seattle, explore our selection of hotels including:

  • Space Needle and Pike Place Fish Market are a couple of leading attractions to put on your Seattle travel itinerary. Keep the adventure rolling by checking out The Museum of Flight.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other corners of the United States you should also see. Around 241 kilometres south of Seattle, a trip to Portland will fill your itinerary to the brim. Start with leading sights like Portland Japanese Garden, Peninsula Park Rose Garden and International Rose Test Garden.

  • Spokane is another well-known destination in the United States and is around 370 kilometres east of Seattle. No trip is complete without seeing Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.