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Cheap flights from Seattle to Dallas/Fort Worth Airport from £126

SEA — DFW
20 Oct — 27 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Dallas/Fort Worth

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Dallas/Fort Worth

Thu 29/1017:55 -
Nonstop4h 02m
Sun 1/1106:30 -
Nonstop4h 28m
Deal found 18/9£207
Fri 23/1023:10 -
1 stop9h 42m
Sun 1/1106:30 -
Nonstop4h 28m
Deal found 16/9£214
Tue 3/1120:09 -
2 stops26h 09m
Tue 10/1120:27 -
2 stops16h 32m
Deal found 19/9£215
Wed 4/1100:25 -
Nonstop3h 54m
Mon 9/1106:02 -
Nonstop4h 28m
Deal found 16/9£217
Mon 19/1009:36 -
Nonstop4h 04m
Sun 25/1006:30 -
Nonstop4h 28m
Deal found 15/9£218
Mon 2/1100:25 -
Nonstop3h 54m
Tue 10/1118:08 -
Nonstop4h 29m
Deal found 19/9£219
Sun 22/1105:35 -
1 stop6h 01m
Sat 5/1207:30 -
1 stop9h 45m
Deal found 16/9£222
Thu 22/1009:36 -
Nonstop4h 04m
Wed 28/1014:49 -
1 stop6h 13m
Deal found 15/9£225
Tue 10/1108:33 -
Nonstop4h 07m
Sat 14/1106:02 -
Nonstop4h 28m
Deal found 15/9£229
Sat 31/1008:39 -
Nonstop4h 07m
Sat 31/1015:49 -
Nonstop4h 23m
Deal found 19/9£233
Wed 16/1200:33 -
Nonstop3h 52m
Wed 13/117:21 -
Nonstop4h 31m
Deal found 17/9£235
Sat 10/1009:36 -
Nonstop4h 04m
Sat 17/1006:30 -
Nonstop4h 28m
Deal found 19/9£237

Find flight deals from Seattle to Dallas/Fort Worth

Round-trip from

£207

One-way from

£126

Popular in

July

Cheapest in

January

Average price

£303
Delta
  • Delta
  • 29/10-1/11
  • Nonstop
  • 8h 30m total
  • Seattle to Dallas
Search Deals
United Airlines
  • United Airlines
  • 5/1-31/12
  • 1 total stop
  • 7h 00m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Dallas/Fort Worth Airport that are best for you.

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Route

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Price

Cheapest return flight

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 14/10

23:59-08:50

1 stop6h 51m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£126
Fastest return journey

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 5/12

08:30-16:32

1 stop6h 02m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£126

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 9/2

13:16-22:28

1 stop7h 12m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£126

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 31/10

09:05-20:43

2 stops9h 38m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 17/10

23:13-09:41

1 stop8h 28m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£149

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Mon 23/11

05:05-16:05

2 stops9h 00m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£150

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Mon 19/10

12:30-23:58

1 stop9h 28m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£163

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 8/12

08:46-22:59

2 stops12h 13m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 20/10

11:54-22:55

2 stops9h 01m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£166

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 6/1

15:51-08:50

3 stops14h 59m

Dallas/Fort Worth

Wed 31/12

00:00-22:00

Nonstop0h 00m

£167

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Dallas/Fort Worth Airport

How far ahead should I book a flight from Seattle to Dallas/Fort Worth Airport?

The price you pay for your flight from Seattle to Dallas/Fort Worth Airport may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Dallas/Fort Worth Airport?

Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of £216). Flying from Seattle to Dallas/Fort Worth Airport in July is currently the most expensive (average of £355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to DFW?

A simple way to save on the total cost of your ticket is to fly from Seattle to Dallas/Fort Worth Airport in the morning. If you’re flexible enough to do this you can expect to save up to 78% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from Seattle to Dallas/Fort Worth Airport?

Airfare is below average for this route at the moment.

Seattle to Dallas/Fort Worth Airport flights typically cost between £222 and £346 in October.
The cheapest return price found within the last 5 days was £207 on Delta (29 Oct–1 Nov).

Related info for your journey

  • What airport do you fly from for flights from Seattle to Dallas/Fort Worth?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Dallas/Fort Worth. You should not have trouble finding flights to Dallas/Fort Worth from Seattle/Tacoma Intl; the airport handles an average of 33 outbound flights to Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Dallas/Fort Worth. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Dallas/Fort Worth Airport?

    For as low as £214, Delta can have you in Dallas/Fort Worth Airport from Seattle in 3h 57m. Airlines will cover a distance of 1657 mi. Most flights are nonstop.

  • What are the most reliable airlines from Seattle to Dallas/Fort Worth Airport?

    Consider Alaska Airlines (83%), STARLUX Airlines (80%) or Qatar Airways (79%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Dallas/Fort Worth Airport.

  • Can I find deals for flights from Seattle to Dallas/Fort Worth that include hotel bookings?

    Yes. In addition to deals on Seattle to Dallas/Fort Worth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Dallas/Fort Worth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dallas/Fort Worth.

  • Can I find deals for business class flights from Seattle to Dallas/Fort Worth?

    Yes. Cheapflights offers flight deals from Seattle to Dallas/Fort Worth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Dallas/Fort Worth Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of £216). Flying from Seattle to Dallas/Fort Worth Airport in July is currently the most expensive (average of £355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Denton
Arlington
Granbury
Frisco
Corinth

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Certainly. Search results for flights to Dallas/Fort Worth from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Dallas/Fort Worth become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dallas/Fort Worth from Seattle today and book when prices fit your budget.

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