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

Frontier, Alaska Airlines, and Spirit Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Dallas

What airlines fly to Dallas?

Alaska Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Dallas from Seattle according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 8 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.

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

As of July 2025, there are 419 flights per week flying from Seattle to Dallas. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

As of July 2025, there are 59 flights per day flying from Seattle to Dallas. The most common time of day flights depart is 5:00PM, with 52% of flights taking off at noon.

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

Prices for flights from Seattle/Tacoma Intl Airport to Dallas refresh daily.

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

As of July 2025, there are 8 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Dallas.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dallas.

What documentation or ID do you need to fly to Dallas?

The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$72 Cheap Flights from Seattle to Dallas in 2025

Q: What is the typical price of a round-trip flight between Seattle and Dallas?

Prices are currently low for flights on this route. Typical prices usually range from $226 to $385. The lowest price recently found on this route was $149.

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Find the cheapest flights from Seattle to Dallas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:29 am - 3:20 pmSEA-DFW

3h 51mnonstop

6:10 am - 8:34 amDFW-SEA

4h 24mnonstop

$149Frontier

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vr, aug. 15 - ma, aug. 18

9:29 am - 3:20 pmSEA-DFW

3h 51mnonstop

1:12 pm - 6:46 pmDFW-SEA

7h 34m1 stop

$157Frontier

Find Deal

vr, aug. 15 - zo, aug. 17

9:24 am - 3:32 pmSEA-DFW

4h 08mnonstop

6:00 am - 8:29 amDFW-SEA

4h 29mnonstop

$160Frontier

Find Deal

vr, okt. 10 - ma, okt. 13

8:34 pm - 11:09 amSEA-DFW

12h 35m1 stop

7:45 am - 11:02 pmDFW-SEA

17h 17m1 stop

$162Frontier

Find Deal

vr, okt. 10 - wo, okt. 15

12:33 am - 6:35 amSEA-DFW

4h 02mnonstop

1:02 pm - 3:15 pmDFW-SEA

4h 13mnonstop

$183Hawaiian Airlines

Find Deal

vr, aug. 22 - zo, aug. 31

6:00 am - 12:02 pmSEA-DFW

4h 02mnonstop

6:15 am - 8:32 amDFW-SEA

4h 17mnonstop

$188Hawaiian Airlines

Find Deal

za, aug. 23 - zo, aug. 31

6:55 am - 5:00 pmSEA-DAL

8h 05m2 stops

12:05 pm - 2:15 pmDAL-SEA

4h 10mnonstop

$200Southwest

Find Deal

za, aug. 23 - zo, aug. 31

6:45 am - 4:40 pmSEA-DAL

7h 55m1 stop

4:00 pm - 11:30 pmDAL-SEA

9h 30m1 stop

$210Southwest

Find Deal

wo, aug. 20 - za, aug. 23

6:00 pm - 11:48 pmSEA-DFW

3h 48mnonstop

6:20 am - 8:52 amDFW-SEA

4h 32mnonstop

$219Alaska Airlines

Find Deal

za, nov. 22 - za, dec. 6

5:35 pm - 11:29 pmSEA-DFW

3h 54mnonstop

7:10 am - 9:45 amDFW-SEA

4h 35mnonstop

$229Delta

Find Deal

za, nov. 22 - wo, dec. 3

Spirit Airlines flights from Seattle to Dallas

Our best Spirit Airlines deals on Seattle to Dallas flight tickets

Spirit Airlines

Aug 4

SEA5:30 pmSeattle/Tacoma Intl

15h 08m

1 stop

DFW10:38 amDallas/Fort Worth

Aug 5

DFW11:46 amDallas/Fort Worth

6h 39m

1 stop

SEA4:25 pmSeattle/Tacoma Intl

$186

Find similar

Spirit Airlines

Aug 6

SEA5:30 pmSeattle/Tacoma Intl

15h 08m

1 stop

DFW10:38 amDallas/Fort Worth

Aug 11

DFW11:46 amDallas/Fort Worth

6h 39m

1 stop

SEA4:25 pmSeattle/Tacoma Intl

$189

Find similar

Spirit Airlines

Aug 7

SEA5:30 pmSeattle/Tacoma Intl

15h 08m

1 stop

DFW10:38 amDallas/Fort Worth

Aug 11

DFW11:46 amDallas/Fort Worth

6h 39m

1 stop

SEA4:25 pmSeattle/Tacoma Intl

$197

Find similar

Frontier flights from Seattle to Dallas

Our best Frontier deals on Seattle to Dallas flight tickets

Frontier

Aug 15

SEA9:29 amSeattle/Tacoma Intl

3h 51m

DFW3:20 pmDallas/Fort Worth

Aug 18

DFW6:10 amDallas/Fort Worth

4h 24m

SEA8:34 amSeattle/Tacoma Intl

$149

Find similar

Frontier

Aug 15

SEA9:29 amSeattle/Tacoma Intl

3h 51m

DFW3:20 pmDallas/Fort Worth

Aug 17

DFW1:12 pmDallas/Fort Worth

7h 34m

1 stop

SEA6:46 pmSeattle/Tacoma Intl

$157

Find similar

Frontier

Oct 10

SEA9:24 amSeattle/Tacoma Intl

4h 08m

DFW3:32 pmDallas/Fort Worth

Oct 13

DFW6:00 amDallas/Fort Worth

4h 29m

SEA8:29 amSeattle/Tacoma Intl

$160

Find similar

How to get the cheapest flight ticket from Seattle to Dallas

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

Other information

What is the typical price of a round-trip flight between Seattle and Dallas?

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of October, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $217.

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

On average, the least expensive day to fly to Dallas from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $441. 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 Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $578.

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

Flying to Dallas from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $299 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Dallas, so prices are often more expensive at around $529 per ticket.

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

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

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

You are more likely to see cheaper flights to Dallas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $278 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from Seattle for as low as $223 on momondo.

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

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

Cheap Seattle to Dallas flight deals and tips

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

Best Price Found	$72
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Dallas	2 airports

The best one-way flight to Dallas from Seattle in the past 72 hours is $72. The best round-trip flight deal from Seattle to Dallas found on momondo in the last 72 hours is $149.

The fastest flight from Seattle to Dallas takes 3h 45m

Direct flights go from Seattle to Dallas every day.

There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)

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How far is Seattle/Tacoma Intl to Dallas by plane?
Seattle/Tacoma Intl and Dallas are 1678.4 mi apart from one another. Typically, this will take 3h 48m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dallas?
Prices for flights from Seattle/Tacoma Intl Airport to Dallas refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dallas?
As of July 2025, there are 8 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Dallas.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dallas?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dallas.
What documentation or ID do you need to fly to Dallas?
The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Dallas

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $74	Free Cancellation	Rating 5.9 3,261 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $94	Free Cancellation	Rating 6.3 8,046 reviews	Search Spirit Airlines flights
Delta	PriceFrom $131	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $137	Free Cancellation	Rating 7.8 2,571 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $252	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $254	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights

Why use momondo?

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

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 Seattle to Dallas for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Dallas.

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

Price alerts on flights to Dallas from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Seattle to Dallas from $72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dallas departing on 10/10. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Dallas

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Seattle to Dallas

Our best Spirit Airlines deals on Seattle to Dallas flight tickets

Frontier flights from Seattle to Dallas

Our best Frontier deals on Seattle to Dallas flight tickets

See travel insights to Dallas from

How to get the cheapest flight ticket from Seattle to Dallas

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 typical price of a round-trip flight between Seattle and Dallas?

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of October, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $217.

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

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

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

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

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

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Dallas 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 Seattle/Tacoma Intl to Dallas?

Frontier, Alaska Airlines, and Spirit Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Dallas

What airlines fly to Dallas?

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

As of July 2025, there are 59 flights per day flying from Seattle to Dallas. The most common time of day flights depart is 5:00PM, with 52% of flights taking off at noon.

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

As of July 2025, there are 419 flights per week flying from Seattle to Dallas. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Cheap Seattle to Dallas flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Dallas

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

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

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

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

What documentation or ID do you need to fly to Dallas?

Best airlines flying from Seattle to Dallas

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

Why use momondo?

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

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

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

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

An easier way to manage your Dallas 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

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas