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

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Dallas to Seattle on average per day?

The number of flights available between Dallas and Seattle is 46 per day as of December 2025. The most frequent departure time is 4:00PM, with 45% of daily flights leaving at noon.

How many flights depart from Dallas to Seattle on average per week?

323 flights are operational weekly from Dallas to Seattle as of December 2025. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.

How often are flights from Dallas to Seattle delayed?

Historically, on average around 19% of flights between Dallas and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

What airlines fly to Seattle?

Alaska Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Seattle from Dallas according to our data. Alaska Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Dallas to Seattle/Tacoma Intl?

Southwest and Delta are the most popular carriers operating from Dallas to Seattle/Tacoma Intl

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Dallas to Seattle/Tacoma Intl Airport?

Prices for flights from Dallas to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Dallas to Seattle/Tacoma Intl Airport?

There are 8 operators available for flights from Dallas to Seattle/Tacoma Intl Airport as of December 2025.

How old do you have to be to fly from Dallas to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$86 Cheap Flights from Dallas to Seattle in 2025/26

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 12:39 pm

DFW

SEA

4h 39mnonstop

3:50 pm - 9:49 pm

SEA

DFW

3h 59mnonstop

$156Alaska Airlines

Fri, Jan 9 - Sun, Jan 11

7:30 am - 9:50 am

DAL

SEA

4h 20mnonstop

3:20 pm - 9:10 pm

SEA

DAL

3h 50mnonstop

$157Southwest

Thu, Mar 5 - Sun, Mar 8

6:14 pm - 8:45 pm

DFW

SEA

4h 31mnonstop

8:25 am - 5:14 pm

SEA

DFW

6h 49m1 stop

$157Alaska Airlines

Wed, Jan 21 - Tue, Jan 27

6:00 am - 12:14 pm

DFW

SEA

8h 14m1 stop

12:51 am - 7:40 am

SEA

DFW

3h 49mnonstop

$158Multiple Airlines

Mon, Mar 2 - Sat, Mar 7

11:04 am - 7:51 pm

DFW

SEA

10h 47m2 stops

10:05 pm - 5:47 am

SEA

DFW

29h 42m1 stop

$160Frontier

Thu, Jan 15 - Sun, Jan 18

6:00 am - 12:14 pm

DFW

SEA

8h 14m1 stop

2:54 pm - 3:34 pm

SEA

DFW

22h 40m1 stop

$161Frontier

Mon, Mar 2 - Sun, Mar 8

4:50 pm - 10:30 pm

DAL

SEA

7h 40m1 stop

6:05 am - 3:25 pm

SEA

DAL

7h 20m1 stop

$161Southwest

Wed, Jan 21 - Tue, Jan 27

6:30 am - 12:05 pm

DAL

SEA

7h 35m1 stop

9:50 am - 6:50 pm

SEA

DAL

7h 00m1 stop

$162Southwest

Tue, Jan 13 - Fri, Jan 16

10:30 am - 2:43 pm

DFW

SEA

30h 13m1 stop

12:59 pm - 5:47 am

SEA

DFW

14h 48m2 stops

$162Frontier

Fri, Jan 16 - Mon, Jan 19

7:15 am - 12:30 pm

DFW

SEA

7h 15m1 stop

9:23 pm - 11:07 am

SEA

DFW

11h 44m1 stop

$163Frontier

Thu, Dec 25 - Thu, Jan 8

Southwest flights from Dallas to Seattle

Our best Southwest deals on Dallas to Seattle flight tickets

Southwest

Mar 5

DAL7:30 amDallas Love Field

4h 20m

SEA9:50 amSeattle/Tacoma Intl

Mar 8

SEA3:20 pmSeattle/Tacoma Intl

3h 50m

DAL9:10 pmDallas Love Field

$157

Find similar

Southwest

Jan 21

DAL4:50 pmDallas Love Field

7h 40m

1 stop

SEA10:30 pmSeattle/Tacoma Intl

Jan 27

SEA6:05 amSeattle/Tacoma Intl

7h 20m

1 stop

DAL3:25 pmDallas Love Field

$161

Find similar

Southwest

Jan 13

DAL6:30 amDallas Love Field

7h 35m

1 stop

SEA12:05 pmSeattle/Tacoma Intl

Jan 16

SEA9:50 amSeattle/Tacoma Intl

7h 00m

1 stop

DAL6:50 pmDallas Love Field

$162

Find similar

Frontier flights from Dallas to Seattle

Our best Frontier deals on Dallas to Seattle flight tickets

Frontier

Jan 15

DFW11:04 amDallas/Fort Worth

10h 47m

2 stops

SEA7:51 pmSeattle/Tacoma Intl

Jan 18

SEA10:05 pmSeattle/Tacoma Intl

29h 42m

1 stop

DFW5:47 amDallas/Fort Worth

$160

Find similar

Frontier

Mar 2

DFW6:00 amDallas/Fort Worth

8h 14m

1 stop

SEA12:14 pmSeattle/Tacoma Intl

Mar 8

SEA2:54 pmSeattle/Tacoma Intl

22h 40m

1 stop

DFW3:34 pmDallas/Fort Worth

$161

Find similar

Frontier

Jan 16

DFW10:30 amDallas/Fort Worth

30h 13m

1 stop

SEA2:43 pmSeattle/Tacoma Intl

Jan 19

SEA12:59 pmSeattle/Tacoma Intl

14h 48m

2 stops

DFW5:47 amDallas/Fort Worth

$162

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 1/9

10:00 am-12:39 pm

Nonstop4h 39m

Seattle/Tacoma Intl

Sun 1/11

3:50 pm-9:49 pm

Nonstop3h 59m

$156

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Thu 3/5

7:30 am-9:50 am

Nonstop4h 20m

Seattle/Tacoma Intl

Sun 3/8

3:20 pm-9:10 pm

Nonstop3h 50m

$157

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 1/21

6:14 pm-8:45 pm

Nonstop4h 31m

Seattle/Tacoma Intl

Tue 1/27

8:25 am-5:14 pm

1 stop6h 49m

$157

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 3/2

6:00 am-12:14 pm

1 stop8h 14m

Seattle/Tacoma Intl

Sat 3/7

12:51 am-7:40 am

Nonstop3h 49m

$158

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 1/15

11:04 am-7:51 pm

2 stops10h 47m

Seattle/Tacoma Intl

Sun 1/18

10:05 pm-5:47 am

1 stop29h 42m

$160

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 3/2

6:00 am-12:14 pm

1 stop8h 14m

Seattle/Tacoma Intl

Sun 3/8

2:54 pm-3:34 pm

1 stop22h 40m

$161

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Wed 1/21

4:50 pm-10:30 pm

1 stop7h 40m

Seattle/Tacoma Intl

Tue 1/27

6:05 am-3:25 pm

1 stop7h 20m

$161

DallasSeattle

DAL - SEA

DALSEA

Dallas Love Field

Tue 1/13

6:30 am-12:05 pm

1 stop7h 35m

Seattle/Tacoma Intl

Fri 1/16

9:50 am-6:50 pm

1 stop7h 00m

$162

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 1/16

10:30 am-2:43 pm

1 stop30h 13m

Seattle/Tacoma Intl

Mon 1/19

12:59 pm-5:47 am

2 stops14h 48m

$162

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Thu 12/25

7:15 am-12:30 pm

1 stop7h 15m

Seattle/Tacoma Intl

Thu 1/8

9:23 pm-11:07 am

1 stop11h 44m

$163

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How to get the cheapest flight ticket from Dallas to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Dallas to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $197. If you don’t want to visit Seattle in January, then you should wait until February to fly from Dallas, when ticket prices are also cheap, with an average price of $221.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Dallas is on a Friday. momondo users have found tickets for Friday departures for as low as $327. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Dallas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $454.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Dallas in the morning is the least expensive time of day to depart. momondo users have found prices as low as $370 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $426. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Dallas to Seattle/Tacoma Intl flight route?

Fly from Dallas/Fort Worth to Seattle/Tacoma Intl for the best Dallas - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $276 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dallas for as low as $252 on momondo.

What cabin class options are available on Dallas to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Dallas to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Dallas to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas to Seattle

Fastest flight time	4h 15m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Dallas to Seattle takes 4h 15m

Direct flights go from Dallas to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

How far is Dallas to Seattle/Tacoma Intl by plane?
The distance between Dallas and Seattle/Tacoma Intl is about 1678.4 mi. A reasonable flight in good conditions will take 4h 20m.
When did momondo last update prices for flights from Dallas to Seattle/Tacoma Intl Airport?
Prices for flights from Dallas to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dallas to Seattle/Tacoma Intl Airport?
There are 8 operators available for flights from Dallas to Seattle/Tacoma Intl Airport as of December 2025.
How old do you have to be to fly from Dallas to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Seattle

Compare and see reviews for airlines that fly from Dallas to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $66	Free Cancellation	Rating 5.8 3,090 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $77	Free Cancellation	Rating 6.3 8,157 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $123	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $131	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Southwest	PriceFrom $165	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights
United Airlines	PriceFrom $183	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $184	Free Cancellation	Rating 8.0 11,402 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $191	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights

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Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Tukwila

Redmond

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to Seattle for you.

Can I find flights from Dallas to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Dallas to Seattle?

Once all potential Dallas to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dallas to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Dallas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Dallas to Seattle from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Seattle departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Frontier deals on Dallas to Seattle flight tickets

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How to get the cheapest flight ticket from Dallas to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Dallas to Seattle/Tacoma Intl flight route?

Fly from Dallas/Fort Worth to Seattle/Tacoma Intl for the best Dallas - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on Dallas to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Dallas to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Dallas to Seattle/Tacoma Intl?

Southwest and Delta are the most popular carriers operating from Dallas to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Dallas to Seattle delayed?

Historically, on average around 19% of flights between Dallas and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Frontier have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How many flights depart from Dallas to Seattle on average per day?

The number of flights available between Dallas and Seattle is 46 per day as of December 2025. The most frequent departure time is 4:00PM, with 45% of daily flights leaving at noon.

How many flights depart from Dallas to Seattle on average per week?

323 flights are operational weekly from Dallas to Seattle as of December 2025. The most popular departure day for this route is Thu, with 20% of flights per week taking off on this day.

Cheap Dallas to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas to Seattle

Fastest flight time

Direct flights

Airports in Seattle

How far is Dallas to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Dallas to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Dallas to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Dallas to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Best airlines flying from Dallas to Seattle

Compare and see reviews for airlines that fly from Dallas to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to Seattle?

Can I find flights from Dallas to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from Dallas to Seattle?

I’m not ready to book a flight from Dallas to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington