Find Cheap Flights from Dallas to Seattle (DFW - SEA)

Flights overview

Useful information for finding cheap flights from Dallas to Seattle and booking your next trip

Cheapest round-trip flights	$160	Frontier 1 stop 14 hr Thu, May 7 — Wed, May 13	The cheapest round-trip flight from Dallas to Seattle is currently $160
Cheapest one-way flight	$80	Frontier 1 stop 7 hr Thu, Apr 30	The cheapest one-way flight from Dallas to Seattle is currently $80
Cheapest nonstop flights	$347	American Nonstop 5 hr Sat, May 2 — Sat, May 9	The cheapest nonstop round-trip flight from Dallas to Seattle is currently $347
Last-minute weekend getaway	$360	Frontier 1 stop 13 hr Thu, Apr 9 — Sun, Apr 12	The cheapest last-minute weekend getaway from Dallas to Seattle is currently $360
Cheapest business class flights	$408	Frontier 1 stop 14 hr Thu, May 7 — Wed, May 13	The cheapest business class round-trip flight from Dallas to Seattle is currently $408

Fastest flight	4 hr 10 min	The fastest nonstop flight from Dallas to Seattle takes 4 hr 10 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Dallas to Seattle is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $145–265
July Most expensive	Typical prices: $220–310

Popular airlines from Dallas to Seattle

Southwest

Nonstop

from $347

Typical price: $255–460

7 weekly nonstop flights

DAL - SEA Every day

2616 weekly connecting flights

DAL - SEA Every day
American

Nonstop

from $347

Typical price: $235–425

55 weekly nonstop flights

DFW - SEA Every day

89 weekly connecting flights

DFW - SEA Every day
Alaska

Nonstop

from $347

Typical price: $235–445

27 weekly nonstop flights

DFW - SEA Every day

21 weekly connecting flights

DFW - SEA Every day
Delta

Nonstop

from $367

Typical price: $235–485

14 weekly nonstop flights

DFW - SEA Every day

184 weekly connecting flights

DAL, DFW - SEA Every day
United

from $381

Typical price: $250–470

99 weekly connecting flights

DFW - SEA Every day
Frontier

from $160

Typical price: $185–370

21 weekly connecting flights

DFW - SEA Every day

Popular airports near Dallas

Dallas Fort Worth International Airport (DFW)

Dallas United States 28 min 16 mi
Dallas Love Field (DAL)

Dallas United States 17 min 6 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 2 hr 59 min 185 mi
George Bush Intercontinental Airport (IAH)

Houston United States 3 hr 20 min 211 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Frequently asked questions about flying from Dallas to Seattle

The cheapest flights from Dallas to Seattle are usually in September. Typical ticket prices in September range from $145 to $265.

The cheapest round-trip flight from Dallas to Seattle recently found on Google Flights was with Frontier from $160. The cheapest one-way flight was with Frontier from $80.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Dallas to Seattle is $347, flying from May 3 to May 12.
The cheapest American flight from Dallas to Seattle is $347, flying from May 2 to May 9.
The cheapest Alaska flight from Dallas to Seattle is $347, flying from May 2 to May 9.
The cheapest Delta flight from Dallas to Seattle is $367, flying from May 2 to May 9.
The cheapest United flight from Dallas to Seattle is $381, flying from May 28 to Jun 3.
The cheapest Frontier flight from Dallas to Seattle is $160, flying from May 7 to May 13.

The cheapest round-trip flight from Dallas to Seattle starts at $160 from Thu, May 7 to Wed, May 13. The cheapest one-way flight starts at $80 and departs on Thu, Apr 30.

4 hr 10 min is the shortest flight time from Dallas to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Dallas to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Dallas to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Dallas to Seattle.

In terms of nonstop flights, American is the most popular. American offers 55 nonstop flights and 89 connecting flights per week. American flies from Dallas Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) .

In terms of flights, Southwest is the most popular. Southwest offers 7 nonstop flights and 2,616 connecting flights per week. Southwest flies from Dallas Love Field (DAL) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Dallas to Seattle are:

Alaska offers 27 nonstop flights and 21 connecting flights per week. Alaska flies from Dallas Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) .
Delta offers 14 nonstop flights and 184 connecting flights per week. Delta flies from Dallas Love Field (DAL) , Dallas Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) .
United offers 99 connecting flights per week. United flies from Dallas Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) .
Frontier offers 21 connecting flights per week. Frontier flies from Dallas Fort Worth International Airport (DFW) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Dallas and Seattle.

The cheapest round-trip flight from Dallas to Seattle recently found on Google Flights was with Frontier from $160. The cheapest one-way flight was with Frontier from $80.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Dallas to Seattle is $347, flying from May 3 to May 12.
The cheapest American flight from Dallas to Seattle is $347, flying from May 2 to May 9.
The cheapest Alaska flight from Dallas to Seattle is $347, flying from May 2 to May 9.
The cheapest Delta flight from Dallas to Seattle is $367, flying from May 2 to May 9.
The cheapest United flight from Dallas to Seattle is $381, flying from May 28 to Jun 3.
The cheapest Frontier flight from Dallas to Seattle is $160, flying from May 7 to May 13.

Southwest, American, Alaska and Delta fly direct from Dallas to Seattle.

There are 7 Southwest direct flights from Dallas to Seattle per week. Flights are available every day.
There are 55 American direct flights from Dallas to Seattle per week. Flights are available every day.
There are 27 Alaska direct flights from Dallas to Seattle per week. Flights are available every day.
There are 14 Delta direct flights from Dallas to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Dallas and Seattle at price $360 is offered by Frontier from Thu, Apr 9 to Sun, Apr 12.

Southwest, American, Alaska and Delta fly direct from Dallas to Seattle.

There are 7 Southwest direct flights from Dallas to Seattle per week. Flights are available every day.
There are 55 American direct flights from Dallas to Seattle per week. Flights are available every day.
There are 27 Alaska direct flights from Dallas to Seattle per week. Flights are available every day.
There are 14 Delta direct flights from Dallas to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Dallas to Seattle on a daily basis.

The cheapest direct (nonstop) round-trip flights between Dallas and Seattle start at $347 from Sat, May 2 to Sat, May 9 with American.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Dallas to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Dallas and Seattle start at $408 from Thu, May 7 to Wed, May 13 with Frontier.

The cheapest economy class round-trip flights between Dallas and Seattle start at $160 from Thu, May 7 to Wed, May 13.

To book business class trips from Dallas to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Dallas and Seattle starts at $360 from Thu, Apr 9 to Sun, Apr 12 with Frontier.

The cheapest last-minute deal between Dallas and Seattle at price $360 is offered by Frontier from Thu, Apr 9 to Sun, Apr 12.

To find last-minute flight deals from Dallas to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.