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$90+ Cheap flights from Seattle (SEA) to Dallas

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dallas are usually found in September or October, booked 58 days in advance, depart on a Wednesday or Friday and return on a Friday

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 April 29, 2025.

Round-trip from

$189
(FlightHub)

One-way from

$90
(Delta)

Popular in

May

Cheapest in

September

Average price

$307
From Seattle/Tacoma Intl to Dallas
Search Deals
One-way flight from Seattle/Tacoma Intl to Dallas
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Highest demand for flights based on searches. 15% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amSEA - DFW
1 stop13h 42mMultiple Airlines
Sun 6/110:56 pmDFW - SEA
1 stop17h 14mMultiple Airlines
Deal found 4/27$189
This CheapOair deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:14 amSEA - DFW
Nonstop3h 56mFrontier
Tue 5/278:30 pmDFW - SEA
1 stop28h 57mFrontier
Deal found 4/26$191
This Cheapflightsfares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:56 pmSEA - DFW
1 stop6h 54mSpirit Airlines
Tue 5/64:28 pmDFW - SEA
1 stop10h 28mSpirit Airlines
Deal found 4/28$210
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/99:30 amSEA - DFW
Nonstop3h 59mDelta
Thu 7/174:30 pmDFW - SEA
Nonstop4h 26mDelta
Deal found 4/28$214
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:15 amSEA - DAL
Nonstop3h 45mSouthwest
Mon 6/96:00 pmDAL - SEA
Nonstop4h 15mSouthwest
Deal found 4/26$214
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:50 amSEA - DFW
Nonstop3h 53mAmerican Airlines
Sun 6/810:30 pmDFW - SEA
Nonstop4h 14mAmerican Airlines
Deal found 4/27$253
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:34 amSEA - DFW
Nonstop3h 46mHawaiian Airlines
Tue 6/171:00 pmDFW - SEA
Nonstop4h 17mHawaiian Airlines
Deal found 4/28$257
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/17:34 pmSEA - DFW
1 stop7h 15mUnited Airlines
Fri 7/46:00 amDFW - SEA
1 stop6h 08mUnited Airlines
Deal found 4/28$294
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:34 amSEA - DFW
Nonstop3h 46mAlaska Airlines
Wed 6/186:16 pmDFW - SEA
Nonstop4h 19mAlaska Airlines
Deal found 4/27$297
This Sun Country Air deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:34 pmSEA - DFW
1 stop20h 18mSun Country Air
Sun 11/29:38 amDFW - SEA
1 stop9h 37mSun Country Air
Deal found 4/28$335
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1011:30 pmSEA - DAL
1 stop7h 40mDelta
Wed 7/1612:00 pmDAL - SEA
1 stop8h 47mDelta
Deal found 4/28$419

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 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Seattle to Dallas that are best for you.

Fly from

Seattle

Fly to

Dallas

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 5/5

8:56 pm-5:50 am

1 stop6h 54m

Dallas/Fort Worth

Fri 5/9

2:15 pm-4:41 pm

Nonstop4h 26m

$190

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 5/5

5:30 pm-11:19 pm

Nonstop3h 49m

Dallas/Fort Worth

Fri 5/9

2:15 pm-4:41 pm

Nonstop4h 26m

$192

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 6/4

6:00 am-3:06 pm

1 stop7h 06m

Dallas/Fort Worth

Mon 6/9

3:03 pm-12:10 am

1 stop11h 07m

$194

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 7/9

9:30 am-3:29 pm

Nonstop3h 59m

Dallas/Fort Worth

Thu 7/24

4:30 pm-6:56 pm

Nonstop4h 26m

$214

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Sat 6/7

6:15 am-12:00 pm

Nonstop3h 45m

Dallas Love Field

Mon 6/9

6:00 pm-8:15 pm

Nonstop4h 15m

$214

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 7/23

12:49 pm-8:34 pm

1 stop5h 45m

Dallas/Fort Worth

Tue 7/29

4:50 pm-10:59 pm

1 stop8h 09m

$219

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 5/29

7:30 am-1:36 pm

Nonstop4h 06m

Dallas/Fort Worth

Mon 6/2

10:30 pm-12:45 am

Nonstop4h 15m

$223

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 6/2

12:34 am-6:20 am

Nonstop3h 46m

Dallas/Fort Worth

Tue 6/10

7:30 am-11:31 am

1 stop6h 01m

$287

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 6/11

12:25 am-6:20 am

Nonstop3h 55m

Dallas/Fort Worth

Thu 6/19

8:36 pm-10:55 pm

Nonstop4h 19m

$310

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Thu 7/10

9:30 pm-9:10 am

1 stop9h 40m

Dallas Love Field

Mon 7/28

5:45 am-2:36 pm

1 stop10h 51m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 23 results
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The best insider tips for Seattle to Dallas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Dallas trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.


Alaska's Wi-Fi is a flat fee, perfect for getting work done on longer flights.

Read more about Alaska Airlinesby Robert Schrader
Frontier

Frontier's UpFront Plus guarantees an empty middle seat for added comfort.


Frontier's Economy Bundle includes a carry-on, seat selection, and no change fees.

Read more about Frontierby Marisa Garcia
Airports
SEA

Use SEA Spot Saver for security screening appointments to reduce wait times. Sign up online a few days before your flight.

Read more about SEAby Brandon Schultz
DFW

DFW offers a DART Orange Line connecting downtown Dallas to Terminal A, providing a convenient public transit option.

Read more about DFWby Chris Dong
DAL

DAL is just a 20-minute drive from downtown Dallas. Consider rideshares or public transit for convenient airport access.

Read more about DALby Paul Rubio
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Paul Rubio

Paul Rubio

Expert on DAL

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

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

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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Dallas, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Dallas (average of $216). Flying from Seattle to Dallas in March is currently the most expensive (average of $295). 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 April 29, 2025.

One of the essential ways to save on airfare from Seattle to Dallas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 47% on airfare.

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 December 16, 2024.

Travelers seeking maximum savings on their Seattle to Dallas flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon 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 April 29, 2025.

The most flights from SEA to A78 are scheduled on a Monday (60 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (49 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 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

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 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Dallas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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?

    For a flight from Seattle to Dallas, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 55 outbound flights to Dallas per day. 7 airlines have flights to Dallas from Seattle/Tacoma Intl on a regular basis.

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

    Currently priced at $191, Frontier will fly you from Seattle to Dallas and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $193 and $214, respectively. Frontier is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $90. Users have also found prices from $90 and $92 on Southwest and Frontier, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Dallas on time: Condor (87%), STARLUX Airlines (80%), Finnair (80%).

  • What are the cheapest flights from Seattle to Dallas?

    On average you can expect to pay $807 for a flight from Seattle to Dallas. The cheapest flight overall is $89 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at $142.

  • Where are the most common layover locations when flying from Seattle to Dallas?

    Of the flights from Seattle to Dallas that have layovers, most of them stop in Las Vegas.

  • What are some popular things to do or see while on a layover in Las Vegas?

    Most Las Vegas visitors opt to spend their time experiencing Fremont Street Experience, The Colosseum at Caesars Palace, and Stratosphere Tower. Fremont Street Experience, The Colosseum at Caesars Palace and Stratosphere Tower are located about 5.9 mi, 2.6 mi, and 4.3 mi, respectively from Las Vegas Harry Reid Intl if you are interested in checking them out. Those on a layover in Las Vegas in need of a rental car can book one at Las Vegas Harry Reid Intl for about $61.

  • Where are the least popular layover locations for Seattle to Dallas flights?

    Seattle to Dallas flights that have layovers will least frequently stop in Denver.

  • 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, August is the cheapest month in which you can book a flight from Seattle to Dallas (average of $216). Flying from Seattle to Dallas in March is currently the most expensive (average of $295). 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.
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Top 7 airlines flying from Seattle to Dallas

Discover the top 7 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$209FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$99Average$174FlexibilityNo cancel feeOn-time65%
DeltaCheapest$132Average$270FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$133Average$265FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$184Average$345FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$192Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$267Average$455FlexibilityNo cancel feeOn-time63%

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