Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Dallas from C$ 223

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas are usually found in January or October, booked 90 days in advance, depart on a Friday or Saturday 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
Explore the most affordable flight options available from Seattle to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Thu 27/82:37 p.m. -
2 stops13h 11m
Tue 1/910:59 p.m. -
1 stop13h 40m
Deal found 5/8C$ 390
Sat 29/81:16 p.m. -
2 stops8h 43m
Tue 1/95:09 p.m. -
1 stop6h 22m
Deal found 2/8C$ 396
Thu 29/106:15 a.m. -
1 stop6h 45m
Mon 2/116:15 a.m. -
2 stops9h 40m
Deal found 2/8C$ 396
Tue 3/117:41 p.m. -
1 stop12h 25m
Thu 12/1110:50 p.m. -
1 stop13h 10m
Deal found 4/8C$ 399
Sun 8/117:41 p.m. -
1 stop12h 25m
Sat 14/1110:50 p.m. -
1 stop13h 10m
Deal found 4/8C$ 400
Wed 2/98:48 p.m. -
1 stop12h 09m
Sun 6/95:18 a.m. -
1 stop10h 04m
Deal found 3/8C$ 402
Fri 28/89:15 a.m. -
Nonstop3h 58m
Tue 1/95:00 p.m. -
Nonstop4h 27m
Deal found 2/8C$ 403
Thu 3/91:30 p.m. -
Nonstop3h 55m
Tue 8/99:00 a.m. -
Nonstop4h 15m
Deal found 2/8C$ 403
Fri 28/83:47 p.m. -
Nonstop4h 03m
Tue 1/97:10 a.m. -
Nonstop4h 15m
Deal found 2/8C$ 404
Sat 29/85:00 a.m. -
1 stop9h 40m
Tue 1/911:45 a.m. -
2 stops8h 25m
Deal found 2/8C$ 404
Sat 29/86:00 a.m. -
Nonstop3h 59m
Tue 1/91:51 p.m. -
1 stop7h 01m
Deal found 2/8C$ 407
Sun 30/89:29 p.m. -
1 stop11h 28m
Tue 15/97:00 a.m. -
1 stop10h 08m
Deal found 5/8C$ 409

Find flight deals from Seattle to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 August 2026.

Round-trip from

C$ 390

One-way from

C$ 223

Popular in

July

Cheapest in

January

Average price

C$ 496
Frontier
  • Frontier
  • 27/8-1/9
  • 3 total stops
  • 26h 51m total
  • Seattle to Dallas
Search Deals
Delta
  • Delta
  • 11/9
  • Nonstop
  • 4h 04m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Dallas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 August 2026.
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 29/9

10:45 a.m.-4:56 p.m.

Nonstop4h 11m

Dallas/Fort Worth

Thu 8/10

6:14 p.m.-8:39 p.m.

Nonstop4h 25m

C$ 403

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Fri 28/8

9:15 a.m.-3:13 p.m.

Nonstop3h 58m

Dallas/Fort Worth

Tue 1/9

5:00 p.m.-7:27 p.m.

Nonstop4h 27m

C$ 403

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Fri 28/8

8:40 a.m.-2:46 p.m.

Nonstop4h 06m

Dallas/Fort Worth

Tue 1/9

5:59 p.m.-8:21 p.m.

Nonstop4h 22m

C$ 403

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 24/10

9:36 a.m.-3:40 p.m.

Nonstop4h 04m

Dallas/Fort Worth

Sun 25/10

7:15 a.m.-9:43 a.m.

Nonstop4h 28m

C$ 403

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 26/8

8:49 p.m.-12:42 p.m.

1 stop13h 53m

Dallas/Fort Worth

Mon 31/8

9:03 p.m.-11:23 p.m.

Nonstop4h 20m

C$ 407

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Wed 4/11

12:22 a.m.-6:20 a.m.

Nonstop3h 58m

Dallas/Fort Worth

Thu 12/11

8:08 a.m.-5:55 p.m.

1 stop11h 47m

C$ 416

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Fri 23/10

7:40 a.m.-4:20 p.m.

1 stop6h 40m

Dallas Love Field

Mon 26/10

6:20 a.m.-10:55 a.m.

1 stop6h 35m

C$ 431

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Tue 1/9

9:15 a.m.-3:13 p.m.

Nonstop3h 58m

Dallas/Fort Worth

Sat 5/9

5:00 p.m.-7:27 p.m.

Nonstop4h 27m

C$ 478

SeattleDallas

SEA Seattle/Tacoma Intl - DAL Dallas Love Field

SEADAL

Seattle/Tacoma Intl

Wed 2/9

6:25 a.m.-3:45 p.m.

2 stops7h 20m

Dallas Love Field

Sun 6/9

11:00 a.m.-3:55 p.m.

1 stop6h 55m

C$ 508

SeattleDallas

SEA Seattle/Tacoma Intl - DFW Dallas/Fort Worth

SEADFW

Seattle/Tacoma Intl

Sat 7/11

5:56 p.m.-11:59 p.m.

Nonstop4h 03m

Dallas/Fort Worth

Tue 10/11

6:08 p.m.-8:37 p.m.

Nonstop4h 29m

C$ 508

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 40 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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$ 409). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 674). 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?

Find hourly flight availability from Seattle to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 August 2026.

It’s typically best to fly out from Seattle to Dallas in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Seattle to Dallas

Explore weekly flight availability from Seattle to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 August 2026.

The most flights from SEA to A78 are scheduled on a Wednesday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 on average).

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

Airfare is typical for this route at the moment.
Seattle to Dallas flights typically cost between C$ 364 and C$ 621 in August.
The cheapest round-trip price found within the last 5 days was C$ 390 on Frontier (27 Aug-1 Sep).

How often are flights from Seattle to Dallas delayed?

About 14% 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 12% of flights being delayed.

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

Booking 89 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.

What is the cheapest day to fly from Seattle to Dallas?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Dallas. Price data was last updated on 5 October 2025.

Travelers seeking maximum savings on their Seattle to Dallas flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated 6 August 2026.
Read reviews from past customers who have flown Alaska Airlines,Hawaiian Airlines, andAmerican 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
12,776 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

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
12,776 reviews
Alaska Airlines
7.9
Good
12,776 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

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
2,819 reviews
Alaska Airlines
7.9
Good
12,776 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

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
7.1
Good
11,873 reviews
Alaska Airlines
7.9
Good
12,776 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

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
2,723 reviews
Alaska Airlines
7.9
Good
12,776 reviews
Check prices

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

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

Find useful and relevant information for your journey from Seattle to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 34 outbound flights to Dallas per day from 4 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 58m. 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 Alaska 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 STARLUX Airlines (83%), Alaska Airlines (80%) or Qantas Airways (80%) 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$ 212. On average you can expect to pay C$ 542. The most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth), can usually be booked for C$ 426.

  • 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$ 409). Flying from Seattle to Dallas in July is currently the most expensive (average of C$ 674). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dallas/Fort Worth flights
Seattle to Hobby flights
Seattle to George Bush Intcntl flights
Bellingham to Dallas/Fort Worth flights
Seattle to Austin flights

Top 4 airlines flying from Seattle to Dallas

Discover the top 4 airlines that operate flights from Seattle to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 87AverageC$ 315FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapestC$ 153AverageC$ 361FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 191AverageC$ 481FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 248AverageC$ 350FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.