$166 Find Cheap Flights from Seattle to Dallas - Compare and Save

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Everything you should know

Cheapest round-trip
$281
Typical prices: $272-$476
Frontier
Mon 10/8Fri 10/12
SEA - DFW • 1 stop
Cheapest non-stop
$313
Typical prices: $280-$484
Alaska Airlines
Wed 10/10Wed 10/17
SEA - DFW • Non-stop
Advice from real travelers
Frontier Economy Bundle adds a carry-on and seat choice; skip Basic Fare.
American Main Cabin Extra adds early boarding; Alaska offers free texting.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with American Airlines, Alaska Airlines and others. Average duration is 4h 02m.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 5% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $262 (round-trip)
Shortest trip • 6h 49m (one-way)
Insights
Insights
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We hope you love your trip to Dallas!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Seattle to Dallas (SEA-DFW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Dallas

Fri, Nov 6 - Mon, Nov 9
Frontier Logo
4:27 pm - 12:17 amSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
5h 50m1 stop Denver Intl
Frontier Logo
7:00 am - 6:54 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
37h 54m2 stops Denver Intl Los Angeles
$282Frontier
Fri, Oct 2 - Sat, Oct 10
Frontier Logo
4:27 pm - 1:04 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
18h 37m1 stop Denver Intl
Frontier Logo
10:30 pm - 8:58 amDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
12h 28m1 stop Las Vegas Harry Reid Intl
$284Frontier
Sat, Oct 10 - Sat, Oct 17
Multiple Airlines Logo
8:00 pm - 5:20 amSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
7h 20m1 stop Los Angeles
Multiple Airlines Logo
3:49 pm - 6:12 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 23mnonstop
$296Multiple Airlines
Tue, Sep 22 - Sat, Oct 3
Multiple Airlines Logo
4:27 pm - 12:20 amSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
5h 53m1 stop Denver Intl
Multiple Airlines Logo
6:03 am - 8:29 amDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 26mnonstop
$298Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Alaska Airlines Logo
5:56 pm - 11:59 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
4h 03mnonstop
Alaska Airlines Logo
7:34 pm - 10:02 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 28mnonstop
$313Alaska Airlines
Mon, Sep 28 - Mon, Oct 5
Alaska Airlines Logo
6:00 am - 11:59 amSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
3h 59mnonstop
Alaska Airlines Logo
3:25 pm - 11:37 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
10h 12m1 stop San Diego
$325Alaska Airlines
Mon, Sep 21 - Mon, Sep 28
American Airlines Logo
5:34 pm - 11:29 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
3h 55mnonstop
American Airlines Logo
7:05 am - 9:23 amDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 18mnonstop
$335American Airlines
Mon, Sep 21 - Mon, Sep 28
Delta Logo
5:40 pm - 11:44 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
4h 04mnonstop
Delta Logo
5:35 pm - 8:00 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 25mnonstop
$336Delta
Wed, Nov 11 - Mon, Nov 16
American Airlines Logo
5:47 pm - 11:48 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
4h 01mnonstop
American Airlines Logo
9:15 pm - 11:42 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 27mnonstop
$337American Airlines
Wed, Nov 18 - Tue, Dec 1
Delta Logo
9:25 am - 3:21 pmSEA  Seattle/Tacoma Intl-DFW Dallas/Fort Worth
3h 56mnonstop
Delta Logo
5:00 pm - 7:35 pmDFW  Dallas/Fort Worth-SEA Seattle/Tacoma Intl
4h 35mnonstop
$337Delta
Booking Insights

Price, demand and travel trends for Seattle to Dallas flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Dallas with more confidence.

How much is a round-trip flight from Seattle to Dallas?

Round-trip flights from Seattle to Dallas start at $281. Prices are typical for this route right now, with typical round-trip fares ranging from $272 to $476. The lowest price found in the past 5 days was $281 on Frontier.

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

Thursday is the cheapest day of the week to fly from Seattle to Dallas, it is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 18% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Seattle to Dallas at $283 round-trip.
  • July ($468) and June ($458) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Dallas the cheapest?

Flights from Seattle to Dallas are cheapest 4 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Dallas

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines, American Airlines and SEA

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

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.

Ramsey Qubein

Ramsey Qubein

Expert on DFW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for Seattle to Dallas flights

Low season

August

Cheapest flight

$166
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Seattle to Dallas/Fort Worth Airport

When to book flights from Seattle to Dallas

Are your dates flexible? Find out the best times to travel from Seattle to Dallas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Seattle to Dallas: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Seattle to Dallas 
Verified travelerFlew with Alaska Airlines-Oct 2024
Long train ride in Dallas to gates, but pretty easy to navigate, no real issues
DeeFlew with Alaska Airlines-Sep 2024
Arrive early as repairs and construction underway at Seatac.
kabirFlew with American Airlines-Aug 2024
Red eye flights can be a full flight. If possible, upgrade your seat. Stay away from sitting by flight attendant
Verified travelerFlew with Alaska Airlines-Jun 2024
If you like your feet warm, avoid wearing sandles. Cool air blew across my feet for almost four (4) hours.
Verified travelerFlew with Alaska Airlines-Jul 2024
Arrive early. Busy airport and rental car return is far from Airport
Verified travelerFlew with Alaska Airlines-Jun 2024
Bring snacks, water, and a change of clothes.
Verified travelerFlew with American Airlines-Mar 2024
The people mover in DFW is really fast. It can get you to your gate faster than you can run, for sure!

Your Seattle to Dallas flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Seattle to Dallas flights?

    Among airlines operating Seattle to Dallas flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Seattle to Dallas?

    4 airlines operate flights between Seattle and Dallas. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Alaska Airlines
    • Delta
    • Southwest

  • Which airports can I use when flying from Seattle to Dallas?

    Flights from Seattle to Dallas usually depart from Seattle/Tacoma Intl (SEA) and may arrive at several airports in Dallas area, including Dallas Addison (ADS), Dallas Love Field (DAL) and Dallas/Fort Worth (DFW).

  • Which airlines include bags at no extra cost on Seattle to Dallas flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Seattle to Dallas?

    Three cabin classes are available on flights from Seattle to Dallas:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Seattle to Dallas?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $262 round-trip via Los Angeles (LAX), compared to $384 for nonstop.

  • What is the standard checked-bag allowance on flights from Seattle to Dallas?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Seattle to Dallas pass through?

    One-stop flights from Seattle to Dallas most commonly connect through:

    • Denver Intl (DEN) - 74% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 7% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 6% of one-stop connections
    • Ontario (ONT) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Dallas?

    Yes. Being flexible with your travel dates can save you up to 21% on the Seattle to Dallas route. Thursday is the cheapest departure day at $349 round-trip on average, while Sunday is the most expensive at $438, a difference of $89. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Seattle to Dallas?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seattle to Dallas route, 14% of flights were delayed in the past 3 months, with delays averaging 2 hours 21 minutes.

  • How are flight departures from Seattle to Dallas spread across the day?

    Morning is the busiest departure period on Seattle to Dallas flights, with 41% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 20%, and night flights for 6%.

  • What popular places can I visit in Dallas?

    Some of the most popular sights in Dallas are American Airlines Center, Dallas Market Center and Kay Bailey Hutchison Convention Center. These are among the most viewed places in Dallas on KAYAK.

  • What are the earliest and latest flights from Seattle to Dallas?

    These are the earliest and latest flight times available from Seattle to Dallas:

    • Earliest: departs at 12:24 am and lands at 4:26 am
    • Latest: departs at 11:59 pm and lands at 4:01 am.

    The flight takes about 4h 02m.

  • How expensive are last-minute Seattle to Dallas flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 23% above the route average of $371. Book 4 weeks before departure for the lowest fares.

  • How long is a flight from Seattle to Dallas?

    A nonstop flight from Seattle to Dallas takes 4h 02m, covering 1,672 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to Dallas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $282 to $1,242. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Seattle to Dallas looking right now?

    One-way fares from Seattle to Dallas are currently lower than usual. Average one-way flight prices are about $168, which is 26% below the typical average for this route.

  • How does Alaska Airlines’s on-time performance compare to other airlines on Seattle to Dallas flights?

    Alaska Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Seattle to Dallas flights are:

    • Alaska Airlines: 88% on time
    • American Airlines: 86% on time
    • Delta: 82% on time

    Overall, flights on this route are on time 86% of the time on average.

  • How do delay rates compare for morning and evening flights from Seattle to Dallas?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Seattle to Dallas?

    Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 6h 49m, compared with 7h 21m via Houston George Bush Intcntl (IAH) and 7h 32m via Austin Bergstrom (AUS).

  • What is the time difference between Seattle and Dallas?

    Dallas is 2 hours ahead of Seattle (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in Dallas?

    Since Dallas is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Dallas/Fort Worth Airport (DFW) — daily rates from around $18:

    · Easirent
    · Europcar
    · Ace
    · Hertz
    · Thrifty

    Near Dallas Love Field Airport (DAL) — daily rates from around $24:

    · Easirent
    · Thrifty
    · Dollar
    · Budget
    · Hertz

  • How much should I expect to pay for a Seattle to Dallas flight?

    Round-trip flights from Seattle to Dallas range from $272 to $476, with an average of $371 over the past 12 months. Anything below $272 counts as a good deal.

  • Which airlines offer Wi-Fi on Seattle to Dallas flights?

    Three airlines offer in-flight Wi-Fi on Seattle to Dallas flights:

    • • Alaska Airlines
    • • American Airlines
    • • Delta

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Seattle to Dallas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $349 - about $89 less than Sunday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 4 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Dallas trip for January. Fares historically average $283 round-trip in that month - typically $185 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Alaska Airlines is the strongest pick on this route. 88% of Alaska Airlines flights from Seattle to Dallas arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 86%. When flights on this route do arrive late, the average delay is 2 hours 21 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest layover option averages $262 round-trip on this route - about $122 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Dallas Addison Airport

    · Residence Inn by Marriott Dallas Addison/Quorum Drive
    · Clarion Pointe Addison - Dallas North
    · Dallas/Addison Marriott Quorum by the Galleria

    Near Dallas Love Field Airport

    · Dallas Love Field Inn
    · Wingate by Wyndham Dallas Love Field
    · DoubleTree by Hilton Dallas - Love Field

Prefer to fly direct from Seattle to Dallas?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Dallas, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Dallas

Monday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Tuesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Wednesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Thursday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Friday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Saturday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Sunday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

See more direct flights

Direct returns

Dallas to Seattle/Tacoma Intl

Monday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Tuesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Wednesday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Thursday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Friday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Saturday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

Sunday

Alaska Airlines,American Airlines,Delta, +1 more

Alaska Airlines,American Airlines, +2 more

See more direct flights

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

Information on your arrival and departure airports