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$63+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DFW
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
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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 Thursday 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 February 24, 2025.

Round-trip from

$137
(FlightHub)

One-way from

$63
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$306
From Seattle/Tacoma Intl to Dallas
Search Deals
One-way flight from Seattle/Tacoma Intl to Dallas
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 24, 2025.

This FlightHub deal was found by Cheapflights users on 2/24. 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.
Wed 4/302:30 pmSEA - DFW
1 stop11h 30mSpirit Airlines
Mon 5/510:58 pmDFW - SEA
1 stop14h 37mSpirit Airlines
Deal found 2/24$137
This CheapOair deal was found by Cheapflights users on 2/23. 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.
Mon 4/144:26 pmSEA - DFW
Nonstop3h 46mMultiple Airlines
Wed 4/237:40 amDFW - SEA
1 stop14h 21mMultiple Airlines
Deal found 2/23$138
This Frontier deal was found by Cheapflights users on 2/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2810:57 amSEA - DFW
Nonstop3h 51mFrontier
Wed 4/210:30 pmDFW - SEA
1 stop13h 05mFrontier
Deal found 2/23$139
This Delta deal was found by Cheapflights users on 2/24. 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 3/265:45 pmSEA - DFW
Nonstop3h 55mDelta
Tue 4/14:12 pmDFW - SEA
Nonstop4h 28mDelta
Deal found 2/24$189
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 3/2612:39 pmSEA - DAL
Nonstop3h 59mAlaska Airlines
Tue 4/17:38 pmDAL - SEA
Nonstop4h 21mAlaska Airlines
Deal found 2/24$189
This Trip.com deal was found by Cheapflights users on 2/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/912:39 pmSEA - DAL
Nonstop3h 59mHawaiian Airlines
Wed 4/167:38 pmDAL - SEA
Nonstop4h 21mHawaiian Airlines
Deal found 2/23$190
This Southwest deal was found by Cheapflights users on 2/22. 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.
Wed 4/25:15 amSEA - DAL
1 stop5h 30mSouthwest
Sat 4/57:10 pmDAL - SEA
1 stop7h 40mSouthwest
Deal found 2/22$209
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 4/612:59 amSEA - DFW
Nonstop3h 55mAmerican Airlines
Thu 4/107:00 amDFW - SEA
Nonstop4h 29mAmerican Airlines
Deal found 2/24$218
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 3/2311:59 pmSEA - DFW
Nonstop3h 43mAlaska Airlines
Wed 4/27:25 amDFW - SEA
Nonstop4h 23mAlaska Airlines
Deal found 2/24$248
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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.
Thu 3/2011:59 pmSEA - DFW
Nonstop3h 43mHawaiian Airlines
Mon 3/249:30 amDFW - SEA
Nonstop4h 24mHawaiian Airlines
Deal found 2/22$257

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 2,558,603 searches. Data last updated February 24, 2025.

Fly from

Seattle

Fly to

Dallas

Route

Depart

Return

Price

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 4/30

2:30 pm-4:00 am

1 stop11h 30m

Dallas/Fort Worth

Mon 5/5

10:58 pm-11:35 am

1 stop14h 37m

$137

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Mon 4/14

4:26 pm-10:12 pm

Nonstop3h 46m

Dallas/Fort Worth

Wed 4/23

7:40 am-8:01 pm

1 stop14h 21m

$138

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Fri 3/28

10:57 am-4:48 pm

Nonstop3h 51m

Dallas/Fort Worth

Mon 4/7

7:05 am-1:06 pm

1 stop8h 01m

$139

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Wed 3/26

5:45 pm-11:40 pm

Nonstop3h 55m

Dallas/Fort Worth

Sat 3/29

7:00 am-9:35 am

Nonstop4h 35m

$189

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Wed 3/26

12:39 pm-6:38 pm

Nonstop3h 59m

Dallas Love Field

Tue 4/1

7:38 pm-9:59 pm

Nonstop4h 21m

$189

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Wed 4/9

12:39 pm-6:38 pm

Nonstop3h 59m

Dallas Love Field

Wed 4/16

7:38 pm-9:59 pm

Nonstop4h 21m

$190

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Thu 3/27

6:15 pm-11:59 pm

Nonstop3h 44m

Dallas/Fort Worth

Tue 4/1

5:51 pm-8:15 pm

Nonstop4h 24m

$203

SeattleDallas

SEA - DAL

SEADAL

Seattle/Tacoma Intl

Wed 4/2

5:15 am-12:45 pm

1 stop5h 30m

Dallas Love Field

Sat 4/5

7:10 pm-12:50 am

1 stop7h 40m

$209

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 4/6

12:59 am-6:54 am

Nonstop3h 55m

Dallas/Fort Worth

Thu 4/10

7:00 am-9:29 am

Nonstop4h 29m

$218

SeattleDallas

SEA - DFW

SEADFW

Seattle/Tacoma Intl

Sun 3/23

11:59 pm-5:42 am

Nonstop3h 43m

Dallas/Fort Worth

Tue 4/1

1:40 pm-3:59 pm

Nonstop4h 19m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 23 results
1
2
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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 February 14, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Dallas, you should look to book at least 59 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 February 24, 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 46% 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 Wednesday 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 February 24, 2025.

The most flights from SEA to A78 are scheduled on a Thursday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 February 24, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,380 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,712 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,174 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,312 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,742 reviews
Southwest
8.1
Very good
4,380 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 44 outbound flights to Dallas per day. 8 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 $137, Spirit Airlines will fly you from Seattle to Dallas and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $143 and $189, respectively. Spirit Airlines is 55% 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 Frontier. According to our data, you can fly for as low as $63. Users have also found prices from $67 and $95 on Spirit Airlines and Alaska Airlines, 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: Air France (100%), STARLUX Airlines (91%), Korean Air (82%).

  • What are the cheapest flights from Seattle to Dallas?

    On average you can expect to pay $838 for a flight from Seattle to Dallas. The cheapest flight overall is $87 while the most popular route, (Seattle/Tacoma Intl - Dallas/Fort Worth) is currently priced at $96.

  • 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 Denver.

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

    Most Denver visitors opt to spend their time experiencing Coors Field, 16th Street Mall, and Paramount Theatre. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl if you are interested in checking them out. Those on a layover in Denver in need of a rental car can book one at Denver Intl for about $47.

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

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

  • 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.

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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 6 airlines flying from Seattle to Dallas

Discover the top 6 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 February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$81Average$217FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$105Average$197FlexibilityNo cancel feeOn-time65%
DeltaCheapest$132Average$454FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$189Average$366FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$455FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$360Average$476FlexibilityNo cancel feeOn-time63%
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