Cheap flight tickets from Seattle to Dallas

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Flight deals from Seattle to Dallas

Looking for a cheap last-minute deal or the best return flight from Seattle to Dallas? If you want to travel next month, return fares start from RM849. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Dallas

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

Direct flights from Seattle to Dallas

Alternative Seattle to Dallas routes

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

Seattle to Dallas: Flight information

The things to know before you go.
Cheapest flight foundRM406
Cheapest month to flyAugust
Average flight time3 hrs, 57 mins
Most popular airlineQatar Airways
Average flights per week478

Finding cheap flights from Seattle to Dallas: Frequently asked questions

There are 3 airports in Dallas: Dallas Love Field, Dallas Fort Worth International and Fort Worth.
The best price we found for a return flight from Seattle to Dallas is RM816. 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 57 minutes is the average flight time from Seattle to Dallas.
Qatar Airways, American Airlines and Alaska Airlines fly direct from Seattle to Dallas.
As of July 2026, there are 478 flights per week flying from Seattle to Dallas.
The cheapest month to fly from Seattle to Dallas is usually August.
If you're flying from Seattle, the cheapest airport near Dallas is Dallas Fort Worth International – which is 24.0 km away from the centre of Dallas. We've found flights into this airport from RM816.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Dallas on Wednesday, 19 August 2026.
Yes – the average flight time is 3 hours and 57 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 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.

In July, the average temperature is usually around 30°C. August is typically the warmest month in Dallas, when it usually averages around 36°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 1°C. The rainiest month is May.
The cheapest airline that flies to Dallas is Frontier Airlines. And the cheapest airline that flies to Dallas Fort Worth International Airport is Delta.

Travelling from Seattle to Dallas: what you need to know

  • Embark on your next adventure from one of Seattle's main airports, Seattle / Tacoma International Airport (SEA) or Paine Field Airport (PAE). Check out your options for booking a flight from Seattle to Dallas leaving from either of these bases.

  • When it comes to arriving in Dallas, Dallas Fort Worth International Airport (DFW) is a major hub. Another is Dallas Love Field Airport (DAL).

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

  • Dallas is two hours ahead of Seattle and observes the UTC-6 timezone.

  • Seattle / Tacoma International Airport (SEA) to Dallas Fort Worth International Airport (DFW) is the most popular route between these two cities. There are 103 weekly flights to pick from. If you have things to finalize before heading off, the last flight from Seattle to Dallas is with American Airlines at 23:59. Opt for the first SEA to DFW departure with American Airlines at 00:24 to maximise your time in Dallas.

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

  • Travelling during a popular month such as July? Public holidays and other high seasons can mean longer lines and delays at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

How to find the cheapest flights from Seattle to Dallas

  • To find cheap Seattle to Dallas flights, book in advance. Airlines usually offer lower fares when flights first go on sale.

  • If you're willing to be flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the lowest price across each month when looking for your plane ticket from Seattle to Dallas.

  • Cut down on the time spent looking for cheap flights from Seattle to Dallas by setting up a Price Alert. You'll get an email or notification through the app when a lower fare pops up.

  • Tailor your travel plans using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' Seattle to Dallas flights.

Flying from Seattle

Seattle / Tacoma International Airport (SEA)

  • Begin your journey at Seattle / Tacoma International Airport (SEA), which has a range of direct flights from Seattle to Dallas. From SEA, you can fly straight into Dallas Fort Worth International Airport (DFW) or Dallas Love Field Airport (DAL).

  • These are some of the major airlines offering direct Seattle to Dallas plane tickets from SEA:

  • Located around 19 kilometres from central Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 35 minutes.

  • Planning to catch an early flight from Seattle to Dallas? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Seattle / Tacoma International Airport:

  • Seattle / Tacoma International Airport has an excellent on-time record, so you're unlikely to face delays. Departures from SEA arrive at their destination as scheduled 80% of the time.

Arriving in Dallas

Dallas Fort Worth International Airport (DFW)

Dallas Love Field Airport (DAL)

  • Once your flight from Seattle to Dallas has hit the tarmac, you can make your way to the city centre in about 20 minutes by car. Central Dallas is roughly 6 kilometres from Dallas Love Field Airport (DAL).

  • If you're travelling on public transport, it'll take around 45 minutes.

  • After your flight from Seattle to Dallas, rest your head at a hotel near DAL. These are some great accommodation options that'll help you switch to relaxation mode:

  • Easirent, Thrifty and Dollar make collecting a Dallas Love Field Airport rental car easy and quick. These trusted providers are located around or in the terminal and will get you on your way in no time.

  • Avoid paying more than you need to. Securing your ride three weeks ahead of your arrival at DAL can help you lock in a better rate.

  • Dallas Love Field Airport is located at 8008 Cedar Springs Road.

Best time to go to Dallas

  • It's time to figure out your trip dates for your flight from Seattle to Dallas. July is the busiest month to travel to Dallas. If you want a more peaceful vibe, go in March.

  • The warmest month in Dallas is August, with temperatures ranging between 24ºC (75ºF) and 41ºC (106ºF). Lock in your Seattle to Dallas ticket then if that's your idea of comfortable weather.

  • Search for cheap flights from Seattle to Dallas in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 16ºC (61ºF) on average.

More about Dallas

Explore more of the United States

  • Houston is just one of the many places in the United States waiting to be discovered after you've experienced Dallas. Around 370 kilometres to the south, check out popular attractions including Audrey Jones Beck Building at the Museum of Fine Arts, Houston, Houston Museum of Natural Science and The Menil Collection.

  • Around 402 kilometres southwest of Dallas, San Antonio is another favourite stop in the United States. No visit is complete without checking out San Antonio River Walk, Selena Quintanilla Mural and Historic Market Square.

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