Seattle

$91+ Cheap flights from Dallas to Seattle (SEA)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SEA
Jan 22 — Jan 291
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Find cheap flights from Dallas to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Dallas to Seattle/Tacoma Intl are usually found in January or February, booked 38 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Dallas to Seattle

Cheapest flights from Dallas to Seattle
Explore the most affordable flight options available from Dallas to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:15 amDFW - SEA
1 stop7h 15mFrontier
Tue 1/61:00 pmSEA - DFW
1 stop7h 48mFrontier
Deal found 12/21$282
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:30 amDFW - SEA
1 stop8h 47mMultiple Airlines
Sun 1/256:02 pmSEA - DFW
Nonstop3h 56mMultiple Airlines
Deal found 12/21$300
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:30 amDFW - SEA
1 stop8h 47mFrontier
Sun 2/2212:00 pmSEA - DFW
1 stop19h 15mFrontier
Deal found 12/22$302
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:30 amDFW - SEA
1 stop8h 47mFrontier
Tue 1/67:13 pmSEA - DFW
1 stop17h 58mFrontier
Deal found 12/21$312
This CheapOair deal was found by Cheapflights users on 12/21. 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.
Tue 12/3010:47 pmDFW - SEA
1 stop15h 43mFrontier
Sat 1/102:49 pmSEA - DFW
1 stop20h 04mFrontier
Deal found 12/21$313
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:54 amDFW - SEA
1 stop7h 00mFrontier
Mon 1/56:33 pmSEA - DFW
1 stop18h 38mFrontier
Deal found 12/21$319
This WAYA deal was found by Cheapflights users on 12/21. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 amDFW - SEA
Nonstop4h 36mMultiple Airlines
Tue 1/61:00 pmSEA - DFW
1 stop7h 48mMultiple Airlines
Deal found 12/21$323
This Frontier deal was found by Cheapflights users on 12/21. 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.
Mon 12/227:25 amDFW - SEA
1 stop8h 29mFrontier
Tue 1/61:00 pmSEA - DFW
1 stop7h 48mFrontier
Deal found 12/21$333
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:30 amDFW - SEA
1 stop8h 47mFrontier
Sun 1/2512:34 pmSEA - DFW
1 stop19h 11mFrontier
Deal found 12/21$335
This Frontier deal was found by Cheapflights users on 12/21. 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 12/268:54 amDFW - SEA
1 stop7h 00mFrontier
Fri 1/27:48 pmSEA - DFW
1 stop11h 37mFrontier
Deal found 12/21$337
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amDFW - SEA
Nonstop4h 26mAmerican Airlines
Sun 1/187:35 amSEA - DFW
Nonstop3h 58mAmerican Airlines
Deal found 12/22$340
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:47 pmDFW - SEA
1 stop13h 24mFrontier
Tue 1/67:13 pmSEA - DFW
1 stop17h 58mFrontier
Deal found 12/21$341

Find flight deals from Dallas to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Seattle (SEA). 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 December 23, 2025.

Round-trip from

$161
(Kiwi.com)

One-way from

$91
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$303
From Dallas to Seattle/Tacoma Intl
One-way flight from Dallas to Seattle/Tacoma Intl
Highest demand for flights based on searches. 12% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas to Seattle 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 December 23, 2025.
Use the filters below to find and compare flights from Dallas to Seattle that are best for you.

Fly from

Dallas

Fly to

Seattle

Route

Depart

Return

Price

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Thu 1/15

6:00 am-12:15 pm

1 stop8h 15m

Seattle/Tacoma Intl

Sat 1/24

12:00 pm-8:40 pm

1 stop6h 40m

$177

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Sun 3/8

5:35 pm-12:20 am

1 stop8h 45m

Seattle/Tacoma Intl

Wed 3/11

5:30 am-7:30 pm

2 stops12h 00m

$182

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 2/5

6:45 am-12:57 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sun 2/8

5:55 pm-11:45 pm

Nonstop3h 50m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 1/20

6:45 am-12:57 pm

1 stop8h 12m

Seattle/Tacoma Intl

Tue 1/27

5:55 pm-11:45 pm

Nonstop3h 50m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 2/17

12:30 pm-4:48 pm

1 stop6h 18m

Seattle/Tacoma Intl

Sat 2/21

5:55 pm-11:45 pm

Nonstop3h 50m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 2/20

2:59 pm-8:46 pm

1 stop7h 47m

Seattle/Tacoma Intl

Sun 2/22

6:35 pm-12:25 am

Nonstop3h 50m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 2/18

6:02 pm-12:09 am

1 stop8h 07m

Seattle/Tacoma Intl

Sun 2/22

6:35 pm-12:25 am

Nonstop3h 50m

$187

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 3/31

6:00 am-8:29 am

Nonstop4h 29m

Seattle/Tacoma Intl

Sat 4/4

12:23 am-6:20 am

Nonstop3h 57m

$197

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 1/13

8:10 am-10:45 am

Nonstop4h 35m

Seattle/Tacoma Intl

Sun 1/18

9:30 am-3:28 pm

Nonstop3h 58m

$197

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 2/6

6:45 am-2:54 pm

1 stop10h 09m

Seattle/Tacoma Intl

Tue 2/10

5:55 pm-11:45 pm

Nonstop3h 50m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 41 results
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Best time to book a flight from Dallas to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dallas 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 Dallas to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Seattle. Price data was last updated on December 19, 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Seattle. 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 Dallas to Seattle?

Currently, January is the cheapest month in which you can book a flight from Dallas to Seattle (average of $65). Flying from Dallas to Seattle in June is currently the most expensive (average of $166). 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 DFW to SEA?

Find hourly flight availability from Dallas to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Dallas to Seattle in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Dallas to Seattle. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Dallas to Seattle

Explore weekly flight availability from Dallas to Seattle. 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 December 23, 2025.

The most flights from A78 to SEA are scheduled on a Monday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (18 on average).

How often are flights from Dallas to Seattle delayed?

About 19% of weekly flights between Dallas and Seattle have experienced delays in the past year, with the average delay time being 157 minutes.

What is the most punctual flight time for Dallas to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dallas to Seattle flights?

Over the last year, Frontier have had the lowest number of delays on this route, with just 11% of flights being delayed.

The best insider tips for Dallas to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas to Seattle trip
Airlines
Alaska Airlines

Alaska offers 32” legroom in Main Cabin, ideal for medium-haul comfort.


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

Frontier

Frontier's UpFront Plus offers guaranteed empty middle seat for extra comfort.


Frontier's Zone 1 boarding available with carry-on purchase or special fare bundle.

Airports
DFW

DFW's Terminal A offers gourmet burgers, Asian fusion, and a mini spa, perfect for a relaxing start to your journey.

DAL

DAL offers a streamlined experience with quick security lines and a straightforward layout, making it ideal for domestic flights.

SEA

Use the Link light rail from SEA for a cost-effective, 40-minute trip to downtown Seattle, with ample luggage space.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 23, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Dallas to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Dallas to Seattle Travel Guide

The airport in Seattle that you’ll get off your flight at is Seattle – Tacoma International Airport. Some people call it Sea-Tac Airport. It’s the main airport that services flights to the Seattle metro region in Washington state. The airport is 14 miles away from the Seattle downtown area, in a city called SeaTac. This airport is the biggest one operating in the Pacific Northwest. It’s a hub for Alaskan Airlines and is also a connector for many flights going to Asia.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Which eco-friendly airlines offer service between Dallas and Seattle?

    If you prefer to travel on a plane that supports ecological welfare, you may consider booking a flight from Dallas to Seattle with Alaska Airlines, United Airlines, or JetBlue Airlines. To lessen their reliance on fuel and carbon emissions, these enterprises have implemented fuel optimization technology. They are using a performance-based navigation system to look for opportunities to conserve fuel. In an effort to reduce noise pollution, these airlines have also modified their aircraft with lightweight, quiet, and far more sophisticated engines.

  • How can travelers decide whether their chosen airline to travel from Dallas to Seattle is effective and responsible?

    Compare all the top airlines that fly from Dallas to Seattle, such as Alaska Airlines, United Airlines, or JetBlue Airlines, before making travel plans to find out more about their varied sustainability initiatives. The carriers' Environmental, Social, and Governance reports are one tool for assessing their dedication to sustainability. IATA's Environmental Assessment for Airports and Ground Service Providers (IEnVA) reports can be used to monitor the environmental sustainability efforts of various airlines.

  • What environmentally friendly activities can I do while I'm traveling from Dallas to Seattle by flight?

    By just bringing the things you absolutely need, you can fly from Dallas to Seattle on a budget and with less weight. The lighter weight of the aircraft would result in much lower carbon dioxide emissions. If you want to reduce the emissions of carbon produced from each seat, you could also fly economy. Make sure to conduct as much research as you can on the airlines that support greener initiatives before making travel arrangements.

  • What airports serve Dallas to Seattle flights?

    You’ll likely be flying out of Dallas-Fort Worth International Airport to go to Seattle and land at Seattle – Tacoma International Airport. There are some flights offered at Dallas Love Field but not nearly as many. You can find several non-stop flights from DFW for the trip to Seattle.

  • Which airlines fly directly from Dallas to Seattle?

    When you fly out of DFW, you can go directly to Seattle on Spirit Airways. American Airlines also flies direct for this route. There are several flights offered by Alaska Airlines too. The flight time is about four and a half hours. Southwest also offers a non-stop flight from Love Field to Seattle.

  • What are the stopover options between Dallas to Seattle?

    Delta has some one-stop flights that land in Salt Lake City that have short stopover times which are under an hour. These trips only take five and a half to six hours. Other stopovers for Delta include Minneapolis and Los Angeles. United stops off in Denver for around an hour before heading on to Seattle. They also land in Houston sometimes. If you go with American Airlines, you’ll be stopping in either Los Angeles or Phoenix. Flying with Southwest could have you stopping in many different places. They have stopovers on this route in Denver, Las Vegas, San Jose, Oakland, St. Louis, and Sacramento.

  • Do I need a passport or a visa to fly from Dallas to Seattle?

    No you don’t need a passport or visa for this flight. Dallas to Seattle is a domestic flight. This only requires an acceptable form of identification be presented upon arrival for your flight.

  • What airport do you fly into for flights to Seattle from Dallas?

    If you book a flight to Seattle from Dallas, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 39 flights from Dallas to Seattle/Tacoma Intl per day from 8 different airlines.

  • How long is the flight from Dallas to Seattle?

    For as low as $187, Southwest can have you in Seattle from Dallas in 8h 12m. Dallas and Seattle are separated by a distance of 1657 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($64), Spirit Airlines ($76), and Hawaiian Airlines ($108) offers the cheapest pricing from Dallas to Seattle. You may be able to fly from Dallas to Seattle for 76% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $55. Spirit Airlines flights start at $55 while deals on Alaska Airlines start at $67 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Dallas to Seattle consider choosing Japan Airlines (80%), Hawaiian Airlines (76%) or Scandinavian Airlines (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Dallas to Seattle?

    Looking for the cheapest flight from Dallas to Seattle? While on average our users pay $1,267, our data indicates the cheapest price to be $98. The most popular route (Dallas/Fort Worth - Seattle/Tacoma Intl), is priced around $113.

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

  • 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, Fountains of Bellagio, and Stratosphere Tower. Fremont Street Experience, Fountains of Bellagio and Stratosphere Tower are located about 5.9 mi, 2.3 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 $52.

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

  • Can I find deals for flights from Dallas to Seattle that include hotel bookings?

    Yes. In addition to deals on Dallas to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Seattle.

  • Can I find deals for business class flights from Dallas to Seattle?

    Yes. Cheapflights offers flight deals from Dallas to Seattle 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 Dallas to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Dallas to Seattle (average of $65). Flying from Dallas to Seattle in June is currently the most expensive (average of $166). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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 Dallas to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Dallas to Seattle

Discover the top 8 airlines that operate flights from Dallas to Seattle. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$211FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$168FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$123Average$279FlexibilityNo cancel feeOn-time85%
DeltaCheapest$133Average$281FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$165Average$371FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$174Average$334FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$183Average$306FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$391FlexibilityNo cancel feeOn-time71%

Helpful tips for your next trip to Seattle

Get useful tips and recommendations to enhance your travel experience on your next trip to Seattle. Learn about must-visit attractions, local customs, transportation options, weather conditions, and other valuable tips to make your trip more enjoyable and hassle-free.
  • When traveling from Dallas to Seattle and wish to land at a green airport, think about using Seattle-Tacoma International Airport (SEA). SEA is dedicated to generating solar energy in a bid to reduce its negative influence on water usage.
  • Dallas Fort Worth International Airport (DFW) may be chosen as the leaving airport for flights from Dallas to Seattle if one is searching for an ecologically friendly airport. DFW is dedicated to ban single-use plastics from its facilities as part of a sustainable program.
  • Using buses from SEA is typically a wise choice if you wish to explore Seattle. Using public transportation reduces the amount of carbon dioxide released onto the roads.

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