DFW - SEA

Find cheap flights from Dallas to Seattle

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dallas to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dallas to Seattle, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Delta's Comfort Plus offers extra legroom for comfort.
Frontier's Economy Bundle includes a carry-on and seat choice.
Expert advice
Expert advice
Expert advice
Expert advice
Direct flights
Every day
You can fly direct with Alaska Airlines, American Airlines, and Delta. Average duration is 4h 25m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dallas to Seattle (DFW-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dallas to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dallas to Seattle

Multiple Airlines Logo
DFW
-
SEA
4291 kmmulti-stop
Multiple Airlines Logo
SEA
-
DFW
4291 kmmulti-stop
Multiple Airlines
Booking Insights

KAYAK's insights & trends for Dallas to Seattle flights

Get data-powered insights and trends into flights from Dallas to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Dallas to Seattle?

The average price of all round-trip flights from Dallas/Fort Worth Airport to Seattle clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Dallas to Seattle, look for departures on Mondays and avoid leaving on a Tuesday, as it's usually the priciest day. When flying back from Seattle, Friday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Dallas/Fort Worth Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dallas/Fort Worth Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Dallas/Fort Worth Airport to Seattle is April, where tickets cost C$ 346 (return) on average. On the other hand, the most expensive months are May and July, where the average cost of round-trip tickets is C$ 468 and C$ 465 respectively.

How far in advance should I book a flight from Dallas/Fort Worth Airport to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Dallas/Fort Worth Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Dallas/Fort Worth Airport to Seattle, you should book around 4 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Expert advice

Expert advice for your flight from Dallas to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Frontier and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Good to know

Low seasonFebruary
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (15% more expensive on average)

When to book flights from Dallas to Seattle

Are your dates flexible? Find out the best times to travel from Dallas to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Dallas to Seattle flights

  • Which airlines offer Wi-Fi service onboard planes from Dallas to Seattle?

    All the following airlines offer inflight Wi-Fi service on the Dallas to Seattle flight route: American Airlines, Alaska Airlines, Delta, Japan Airlines, Lufthansa, JetBlue, Finnair, and Alaska Airlines.

  • Which aircraft models fly most regularly from Dallas to Seattle?

    The Airbus A321-100/200 is the aircraft model that flies most regularly on the Dallas to Seattle flight route.

  • On which days can I fly direct from Dallas to Seattle?

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

  • How does KAYAK find such low prices on flights from Dallas to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Dallas to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Dallas to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Dallas is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Dallas to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Dallas with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Dallas to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Dallas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Dallas/Fort Worth Airport to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 149 or less one-way.

Prefer to fly direct from Dallas to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Dallas/Fort Worth to Seattle/Tacoma Intl.
Find which airlines fly direct from Dallas/Fort Worth Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Dallas/Fort Worth to Seattle/Tacoma Intl

Monday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to Dallas/Fort Worth

Monday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

See more nonstop flights

Everything you need to know for your flight from Dallas to Seattle

Information on your arrival and departure airports