102 € Cheap Flights from Dallas to Seattle

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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? 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 October.

Direct flights from Dallas to Seattle

Alternative Dallas to Seattle routes

Looking for the cheapest, fastest or easiest route from Dallas to Seattle? You could fly into the following airports instead.

Dallas to Seattle: Flight information

The things to know before you go.
Cheapest flight found102 €
Cheapest month to flyOctober
Average flight time4 hrs, 20 mins
Most popular airlineQatar Airways
Average flights per week547

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 102 €. 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 20 minutes is the average flight time from Dallas to Seattle.
Qatar Airways, American Airlines and Air Tahiti Nui fly direct from Dallas to Seattle.
As of August 2025, there are 547 flights per week flying from Dallas to Seattle.
The cheapest month to fly from Dallas to Seattle is usually October.
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 102 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Dallas to Seattle on Monday, 13 October 2025.
Yes – the average flight time is 4 hours and 20 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 August, the average temperature is usually around 18°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 .

Flying from Dallas to Seattle: what you need to know

  • Set off on your next big adventure from one of Dallas's main airports, Dallas/Fort Worth International Airport (DFW) or Dallas Love Field Airport (DAL). Check out your options for booking a flight from Dallas to Seattle taking off from either of these bases.

  • When it comes to where you'll hop off the plane, Seattle's major arrival point is Seattle-Tacoma International Airport (SEA).

  • Around 4 hours 20 minutes is how long you'll be travelling on a direct Dallas to Seattle flight.

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

  • With 106 flights a week between the two airports, Dallas/Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) is the busiest route. Hop on the earliest flight from Dallas to Seattle with Alaska Airlines at 06:00. If you prefer to make the most of your day before jetting off, the latest departure from DFW to SEA is with American Airlines at 22:35.

  • Leave plenty of time to make your Dallas to Seattle flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Going away during a peak month like July? Popular periods (like spring break, Christmas and New Year) can add an hour at check-in and security. Be extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

How to find the cheapest flights from Dallas to Seattle

  • The cheapest price we've seen for a one-way ticket from Dallas to Seattle is 64 €. For a return flight on this route, the best price is 102 €. Depending on the availability when you book, these fares may change.

  • Book two months before travelling. Pricing trends suggest that this is the ideal window for finding cheap Dallas to Seattle flights.

  • May is the best month for picking up a fantastic deal on a plane ticket from Dallas to Seattle. If you're looking to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from Dallas to Seattle.

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

Flying from Dallas

Dallas/Fort Worth International Airport (DFW)

  • Set off from Dallas/Fort Worth International Airport (DFW) on a nonstop flight from Dallas to Seattle. From DFW, you can land directly at Seattle-Tacoma International Airport (SEA).

  • Pick from a variety of airlines that offer direct Dallas to Seattle plane tickets out of DFW. Book your journey with one of these:

  • DFW is about 26 kilometres from central Dallas. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the travel time to be around 1 hour.

  • Want a handy hotel close to Dallas/Fort Worth International Airport? If you're catching an early flight from Dallas to Seattle, these stays will have you sleeping moments from your check-in counter:

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

  • DFW's address is 2400 Aviation Dr.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes to reach by car. The centre is roughly 18 kilometres away.

  • It usually takes 55 minutes to get there on public transport.

  • If you're arriving on a late flight from Dallas to Seattle, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these hotels near SEA:

  • Pick up a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are popular providers you can book with here.

  • Booking your ride from Seattle-Tacoma International Airport about one week ahead can help you secure the lowest rate.

Lake Union Sea Plane Base Airport (LKE)

  • After your flight from Dallas to Seattle has hit the tarmac, you can get to the city centre in around 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

  • The trip will take about 25 minutes on public transport.

  • After your flight from Dallas to Seattle, unwind at a hotel near LKE. These are some great options that'll help you sink into relaxation mode:

Best time to go to Seattle

  • It's time to plan your dates for your flight from Dallas to Seattle. July is the most popular month for a trip to Seattle. If you like a more relaxed atmosphere, go in May.

  • Before locking in your Dallas to Seattle tickets, think about what kind of weather works for you. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you like travelling in cooler conditions, search for a cheap flight from Dallas to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

Explore more of United States

  • Seattle is always a good idea, but there are so many other parts of United States just waiting to be discovered. Around 241 kilometres south of Seattle, a trip to Portland will fill your itinerary to the brim. Start with attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're ready to explore another well-known destination in United States, consider Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

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