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Cheap flights from Seattle to Dallas from C$ 222

SEA — DFW
5 Dec — 12 Dec1
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 69 days in advance, depart on a Saturday or Friday and return on a Monday

Cheap flight deals from Seattle to Dallas

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Dallas

Mon 28/126:25 p.m. -
1 stop13h 52m
Sun 3/16:49 p.m. -
1 stop24h 21m
Deal found 4/11C$ 364
Wed 2/124:58 p.m. -
1 stop15h 20m
Wed 9/1210:53 p.m. -
1 stop15h 38m
Deal found 4/11C$ 377
Wed 2/126:02 p.m. -
Nonstop3h 57m
Wed 9/1210:53 p.m. -
1 stop15h 38m
Deal found 4/11C$ 404
Thu 10/1212:30 a.m. -
Nonstop3h 50m
Fri 11/129:30 a.m. -
Nonstop4h 42m
Deal found 3/11C$ 408
Wed 9/1212:30 a.m. -
Nonstop3h 50m
Tue 15/129:30 a.m. -
Nonstop4h 42m
Deal found 3/11C$ 415
Thu 3/121:50 p.m. -
Nonstop3h 50m
Wed 9/128:10 a.m. -
Nonstop4h 25m
Deal found 3/11C$ 415
Wed 2/126:02 p.m. -
Nonstop3h 57m
Wed 9/129:30 a.m. -
Nonstop4h 42m
Deal found 4/11C$ 422
Thu 10/125:58 p.m. -
Nonstop3h 55m
Mon 14/1212:33 p.m. -
1 stop6h 22m
Deal found 3/11C$ 429
Thu 3/125:58 p.m. -
Nonstop3h 55m
Wed 9/127:33 a.m. -
1 stop9h 38m
Deal found 1/11C$ 430
Sun 13/125:05 a.m. -
1 stop5h 38m
Sun 13/125:20 p.m. -
1 stop7h 31m
Deal found 1/11C$ 436
Tue 1/128:09 p.m. -
1 stop15h 57m
Tue 8/128:35 p.m. -
1 stop21h 08m
Deal found 3/11C$ 440
Mon 7/1211:50 a.m. -
1 stop8h 53m
Mon 14/126:12 a.m. -
1 stop10h 26m
Deal found 3/11C$ 443

Find flight deals from Seattle to Dallas

Round-trip from

C$ 364

One-way from

C$ 222

Popular in

July

Cheapest in

January

Average price

C$ 575
Frontier
  • Frontier
  • 28/12-3/1
  • 2 total stops
  • 38h 13m total
  • Seattle to Dallas
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United Airlines
  • United Airlines
  • 15/12-31/12
  • 1 total stop
  • 6h 02m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
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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 - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Wed 16/12

1:00 p.m.-9:00 p.m.

1 stop6h 00m

Dallas Love Field

Wed 31/12

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

Nonstop0h 00m

C$ 222

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Mon 7/12

1:35 p.m.-11:00 p.m.

1 stop7h 25m

Dallas Love Field

Wed 31/12

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

Nonstop0h 00m

C$ 222

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Tue 8/12

6:30 a.m.-5:55 p.m.

1 stop9h 25m

Dallas Love Field

Wed 31/12

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

Nonstop0h 00m

C$ 222

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 8/12

9:01 a.m.-8:56 p.m.

2 stops9h 55m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 229

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Fri 4/12

6:30 a.m.-8:00 p.m.

2 stops11h 30m

Dallas Love Field

Wed 31/12

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

Nonstop0h 00m

C$ 229

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 16/12

10:59 a.m.-4:54 p.m.

Nonstop3h 55m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 243

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 8/12

11:37 p.m.-10:09 a.m.

1 stop8h 32m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 260

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 6/1

10:05 a.m.-1:10 p.m.

1 stop25h 05m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 261

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 3/2

9:40 a.m.-3:44 p.m.

Nonstop4h 04m

Dallas/Fort Worth

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 9/1

12:40 p.m.-6:34 p.m.

Nonstop3h 54m

Dallas/Fort Worth

Wed 31/12

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

Nonstop0h 00m

C$ 264

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 39 resultsSorted by cheapest first
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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$ 411). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 665). 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 20% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Seattle to Dallas

The most flights from SEA to A78 are scheduled on a Monday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 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$ 471 and C$ 737 in December.
The cheapest round-trip price found within the last 5 days was C$ 364 on Frontier (28 Dec-3 Jan).

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 148 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 58 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
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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
13,141 reviews
Alaska Airlines
7.9
Good
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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
8,701 reviews
Alaska Airlines
7.9
Good
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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
2,803 reviews
Alaska Airlines
7.9
Good
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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
12,229 reviews
Alaska Airlines
7.9
Good
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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
5.5
Fair
2,511 reviews
Alaska Airlines
7.9
Good
13,141 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.0

Entertainment

7.0

Overall

7.9

Crew

8.5

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 35 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 3h 45m. The distance from Seattle to Dallas is about 2683 km. Most flights are nonstop.

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

    Hawaiian Airlines, at C$ 241, was found to be the cheapest airline from Seattle to Dallas.Alternate airlines to your destination round-trip include Frontier and Alaska Airlines. Users have found that Hawaiian Airlines is 57% cheaper than the other options available to this destination.

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

    Consider Alaska Airlines (87%), STARLUX Airlines (85%) or KLM (85%) 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$ 587. The most popular route, (Seattle/Tacoma Intl - Dallas Love Field), can usually be booked for C$ 561.

  • 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$ 411). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 665). 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

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Seattle to Dallas/Fort Worth flights
Bellingham to Dallas/Fort Worth flights

Top 5 airlines flying from Seattle to Dallas

AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapestC$ 241AverageC$ 473FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
FrontierCheapestC$ 251AverageC$ 392FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 275AverageC$ 509FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapestC$ 275AverageC$ 359FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 301AverageC$ 469FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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