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Cheap flights from Seattle to Dallas from C$ 135

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
25 Feb — 4 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to Dallas are usually found in September or October, booked 59 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap 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 20 February 2025.

Round-trip from

C$ 197

One-way from

C$ 135

Popular in

May

Cheapest in

September

Average price

C$ 435
Frontier
  • Frontier
  • 17/4-22/4
  • 2 total stops
  • 29h 14m total
  • Seattle to Dallas
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 20/5
  • Nonstop
  • 3h 46m total
  • Seattle to Dallas
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Seattle to Dallas

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 20 February 2025.

Thu 17/412:46 p.m.SEA - DFW
1 stop8h 30mFrontier
Tue 22/46:00 a.m.DFW - SEA
1 stop20h 44mFrontier
Deal found 20/2C$ 197
Wed 9/412:39 p.m.SEA - DAL
Nonstop3h 59mAlaska Airlines
Tue 15/47:38 p.m.DAL - SEA
Nonstop4h 21mAlaska Airlines
Deal found 20/2C$ 268
Tue 18/311:59 p.m.SEA - DFW
Nonstop3h 48mHawaiian Airlines
Tue 25/35:51 p.m.DFW - SEA
Nonstop4h 24mHawaiian Airlines
Deal found 20/2C$ 281
Thu 13/39:45 a.m.SEA - DFW
Nonstop3h 59mDelta
Sat 29/37:00 a.m.DFW - SEA
Nonstop4h 35mDelta
Deal found 20/2C$ 288
Tue 15/411:59 p.m.SEA - DFW
Nonstop3h 43mAlaska Airlines
Wed 16/49:30 a.m.DFW - SEA
Nonstop4h 24mAlaska Airlines
Deal found 20/2C$ 293
Thu 20/312:52 p.m.SEA - DFW
1 stop7h 27mMultiple Airlines
Thu 27/39:30 a.m.DFW - SEA
Nonstop4h 24mMultiple Airlines
Deal found 19/2C$ 295
Wed 30/46:15 a.m.SEA - DAL
1 stop6h 25mSouthwest
Sat 3/55:05 p.m.DAL - SEA
1 stop7h 35mSouthwest
Deal found 20/2C$ 297
Mon 31/312:39 p.m.SEA - DAL
Nonstop3h 59mHawaiian Airlines
Thu 3/47:38 p.m.DAL - SEA
Nonstop4h 21mHawaiian Airlines
Deal found 20/2C$ 308
Fri 28/25:38 p.m.SEA - DFW
1 stop15h 36mSpirit Airlines
Mon 3/37:36 p.m.DFW - SEA
1 stop6h 49mSpirit Airlines
Deal found 20/2C$ 347
Sat 17/55:00 a.m.SEA - DFW
1 stop9h 26mUnited Airlines
Tue 27/56:00 p.m.DFW - SEA
1 stop6h 30mUnited Airlines
Deal found 19/2C$ 371
Wed 19/312:59 a.m.SEA - DFW
Nonstop3h 55mAmerican Airlines
Thu 27/37:05 a.m.DFW - SEA
Nonstop4h 28mAmerican Airlines
Deal found 19/2C$ 436
Thu 3/711:59 p.m.SEA - DFW
1 stop9h 04mSun Country Air
Sun 6/75:35 p.m.DFW - SEA
1 stop16h 27mSun Country Air
Deal found 20/2C$ 476

Find flights from Seattle to Dallas within your budget

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 20 February 2025.

Fly from

Seattle

Fly to

Dallas

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 17/4

12:46 p.m.-11:16 p.m.

1 stop8h 30m

Dallas/Fort Worth

Tue 22/4

6:00 a.m.-12:44 a.m.

1 stop20h 44m

C$ 197

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Wed 9/4

12:39 p.m.-6:38 p.m.

Nonstop3h 59m

Dallas Love Field

Tue 15/4

7:38 p.m.-9:59 p.m.

Nonstop4h 21m

C$ 268

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 18/3

11:59 p.m.-5:47 a.m.

Nonstop3h 48m

Dallas/Fort Worth

Tue 25/3

5:51 p.m.-8:15 p.m.

Nonstop4h 24m

C$ 281

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 13/3

9:45 a.m.-3:44 p.m.

Nonstop3h 59m

Dallas/Fort Worth

Sat 29/3

7:00 a.m.-9:35 a.m.

Nonstop4h 35m

C$ 288

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Tue 15/4

11:59 p.m.-5:42 a.m.

Nonstop3h 43m

Dallas/Fort Worth

Wed 16/4

9:30 a.m.-11:54 a.m.

Nonstop4h 24m

C$ 293

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 20/3

12:52 p.m.-10:19 p.m.

1 stop7h 27m

Dallas/Fort Worth

Thu 27/3

9:30 a.m.-11:54 a.m.

Nonstop4h 24m

C$ 295

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Wed 30/4

6:15 a.m.-2:40 p.m.

1 stop6h 25m

Dallas Love Field

Sat 3/5

5:05 p.m.-10:40 p.m.

1 stop7h 35m

C$ 297

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Mon 31/3

12:39 p.m.-6:38 p.m.

Nonstop3h 59m

Dallas Love Field

Fri 4/4

7:38 p.m.-9:59 p.m.

Nonstop4h 21m

C$ 308

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 6/8

5:00 a.m.-1:33 p.m.

1 stop6h 33m

Dallas/Fort Worth

Tue 12/8

7:54 p.m.-12:59 a.m.

1 stop7h 05m

C$ 364

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 19/3

12:59 a.m.-6:54 a.m.

Nonstop3h 55m

Dallas/Fort Worth

Thu 27/3

7:05 a.m.-9:33 a.m.

Nonstop4h 28m

C$ 436

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 21 results
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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
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.

Travel insights for flights from Seattle to Dallas

Get recent, data-driven insights about flights from Seattle to Dallas including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Dallas. Price data was last updated on 14 February 2025.

Booking 59 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 month to book a flight from Seattle to Dallas?

Currently, July is the cheapest month in which you can book a flight from Seattle to Dallas (average of C$ 472). Flying from Seattle to Dallas in May is currently the most expensive (average of C$ 602). 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 20 February 2025.

It’s typically best to fly out from Seattle to Dallas in the afternoon. Doing so could potentially save you 55% on the flight price compared to flying in the morning, which is usually more expensive.

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 16 December 2024.

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

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 20 February 2025.

The most flights from SEA to A78 are scheduled on a Thursday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 48.0 - 125.0 mm per month. May is typically the wettest month, when rainfall can reach 125.0 mm. August is typically the driest time to visit Dallas when rainfall is around 48.0 mm.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

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 20 February 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Seattle to Dallas to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 5 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

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

    Frontier, at C$ 197, was found to be the cheapest airline from Seattle to Dallas.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. Users have found that Frontier is 54% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Dallas one-way?

    C$ 135 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Hawaiian Airlines, with prices starting from C$ 148 and C$ 148, respectively.

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

    Consider Air France (100%), STARLUX Airlines (91%) or Korean Air (82%) 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$ 119. On average you can expect to pay C$ 320. The most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth), can usually be booked for C$ 232.

  • 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, July is the cheapest month in which you can book a flight from Seattle to Dallas (average of C$ 472). Flying from Seattle to Dallas in May is currently the most expensive (average of C$ 602). 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

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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
Seattle to Austin flights
Bellingham to Dallas/Fort Worth flights

Top 5 airlines flying from Seattle to Dallas

Discover the top 5 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapestC$ 86AverageC$ 389FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapestC$ 137AverageC$ 255FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 154AverageC$ 337FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 185AverageC$ 344FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 247AverageC$ 447FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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

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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.

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

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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.

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