Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Dallas from C$ 236

SEA — DFW
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas are usually found in January or March, booked 81 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Dallas

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Dallas

Thu 29/1011:06 a.m. -
Nonstop4h 05m
Tue 3/116:08 p.m. -
Nonstop4h 29m
Deal found 17/9C$ 387
Thu 5/113:45 p.m. -
Nonstop3h 45m
Wed 11/118:10 a.m. -
Nonstop4h 25m
Deal found 17/9C$ 387
Fri 13/114:27 p.m. -
1 stop5h 50m
Mon 16/1110:45 a.m. -
1 stop6h 27m
Deal found 19/9C$ 394
Tue 20/1012:24 a.m. -
Nonstop3h 56m
Fri 23/107:00 a.m. -
1 stop10h 12m
Deal found 19/9C$ 396
Wed 14/105:58 p.m. -
Nonstop4h 01m
Tue 20/108:27 p.m. -
1 stop20h 45m
Deal found 21/9C$ 397
Thu 26/1112:31 p.m. -
1 stop7h 29m
Sat 5/125:00 p.m. -
Nonstop4h 35m
Deal found 16/9C$ 401
Thu 5/119:25 p.m. -
1 stop6h 35m
Sun 8/118:00 a.m. -
Nonstop4h 30m
Deal found 16/9C$ 401
Mon 23/119:25 a.m. -
Nonstop3h 56m
Wed 2/126:30 a.m. -
Nonstop4h 43m
Deal found 16/9C$ 408
Sat 17/106:30 a.m. -
2 stops8h 20m
Sun 25/107:30 a.m. -
Nonstop4h 20m
Deal found 16/9C$ 408
Thu 22/108:40 p.m. -
1 stop11h 05m
Mon 26/107:30 a.m. -
Nonstop4h 20m
Deal found 16/9C$ 410
Sun 22/115:35 a.m. -
1 stop6h 01m
Sat 5/127:30 a.m. -
1 stop9h 45m
Deal found 16/9C$ 415
Tue 20/1011:59 p.m. -
1 stop7h 32m
Tue 27/103:59 p.m. -
1 stop9h 53m
Deal found 16/9C$ 415

Find flight deals from Seattle to Dallas

Round-trip from

C$ 387

One-way from

C$ 236

Popular in

July

Cheapest in

January

Average price

C$ 568
Delta
  • Delta
  • 29/10-1/11
  • Nonstop
  • 8h 30m total
  • Seattle to Dallas
Search Deals
United Airlines
  • United Airlines
  • 14/10-31/12
  • 1 total stop
  • 6h 51m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 5/1

7:03 a.m.-4:03 p.m.

1 stop7h 00m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 236

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Wed 14/10

12:05 p.m.-8:15 p.m.

1 stop6h 10m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 236

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 9/2

1:16 p.m.-10:28 p.m.

1 stop7h 12m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 236

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Thu 12/11

10:56 p.m.-9:40 a.m.

1 stop8h 44m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 236

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Tue 9/2

5:40 a.m.-3:10 p.m.

2 stops7h 30m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 243

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Sat 14/11

6:45 a.m.-3:10 p.m.

2 stops6h 25m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 243

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Thu 25/2

9:35 a.m.-6:25 p.m.

1 stop6h 50m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 256

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Thu 12/11

8:30 a.m.-5:50 p.m.

1 stop7h 20m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 256
Quickest round-trip

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Fri 16/10

3:10 p.m.-9:00 p.m.

Nonstop3h 50m

Dallas Love Field

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 264

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 31/10

9:05 a.m.-8:43 p.m.

2 stops9h 38m

Dallas/Fort Worth

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/9

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Seattle to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Dallas

What is the cheapest month to book a flight from Seattle to Dallas?

Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas (average of C$ 407). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 666). 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?

It’s typically best to fly out from Seattle to Dallas in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from Seattle to Dallas

The most flights from SEA to A78 are scheduled on a Friday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost to fly round-trip from Seattle to Dallas?

Airfare is below average for this route at the moment.
Seattle to Dallas flights typically cost between C$ 416 and C$ 647 in October.
The cheapest round-trip price found within the last 5 days was C$ 387 on Delta (29 Oct-1 Nov).

How often are flights from Seattle to Dallas delayed?

About 13% of weekly flights between Seattle and Dallas have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Seattle to Dallas flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seattle to Dallas flights?

Over the past year, Alaska Airlines has had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from Seattle to Dallas?

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Dallas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Dallas

Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,953 reviews
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.8
Good
8,589 reviews
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Hawaiian Airlines
7.8
Good
2,811 reviews
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
American Airlines
7.0
Good
12,072 reviews
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,588 reviews
Alaska Airlines
7.9
Good
12,953 reviews
Check prices

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

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

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Dallas. On average, Seattle/Tacoma Intl has 38 outbound flights to Dallas per day from 5 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Dallas?

    Departing from Seattle to Dallas will take you 4h 05m. The distance from Seattle to Dallas is about 2667 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Dallas round-trip?

    Frontier, at C$ 87, was found to be the cheapest airline from Seattle to Dallas.Alternate airlines to your destination round-trip include American Airlines and Hawaiian Airlines. Users have found that Frontier is 83% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Seattle to Dallas?

    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.

  • What are the cheapest flights from Seattle to Dallas?

    The cheapest flight price from Seattle to Dallas is C$ 298. On average you can expect to pay C$ 473. The most popular route, (Seattle/Tacoma Intl - Dallas Love Field), can usually be booked for C$ 562.

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

    Yes. In addition to deals on Seattle to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Dallas 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?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Dallas (average of C$ 407). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 666). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Dallas

Seattle to George Bush Intcntl flights
Seattle to Hobby flights
Seattle to Dallas/Fort Worth flights
Seattle to Austin flights
Bellingham to Dallas/Fort Worth flights

Top 5 airlines flying from Seattle to Dallas

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 87AverageC$ 316FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 187AverageC$ 470FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Hawaiian AirlinesCheapestC$ 242AverageC$ 474FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 260AverageC$ 507FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 275AverageC$ 345FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Dallas?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Dallas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Dallas?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dallas from Seattle.

Can Cheapflights find flights from Seattle to Dallas with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Dallas with no change fees.

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

Of course! You can now track prices for flights from Seattle to Dallas and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.