C$ 236 Find Cheap Flights from Seattle to Dallas – Compare and Save

Among airlines operating Seattle to Dallas/Fort Worth Airport 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

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

3 airlines operate flights between Seattle and Dallas/Fort Worth Airport. The airlines offering direct flights on this route include:

• American Airlines
• Alaska Airlines
• Delta

Flights from Seattle to Dallas/Fort Worth Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Dallas/Fort Worth (DFW).

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

• Alaska Airlines: a carry-on bag and a checked bag in Economy Class
• American Airlines: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class

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

Two cabin classes are available on flights from Seattle to Dallas/Fort Worth Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 295 round-trip via Phoenix Sky Harbor Intl (PHX), compared to C$ 540 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 49–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Airbus A321-100/200 variants.

One-stop flights from Seattle to Dallas/Fort Worth Airport most commonly connect through:

• Denver Intl (DEN) – 79% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) – 7% of one-stop connections
• Ontario (ONT) – 5% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 3% of one-stop connections

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

Yes. Being flexible with your travel dates can save you up to 21% on the Seattle to Dallas/Fort Worth Airport route. Thursday is the cheapest departure day at C$ 489 round-trip on average, while Sunday is the most expensive at C$ 612, a difference of C$ 123. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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/Fort Worth Airport route, 13% of flights were delayed in the past 3 months, with delays averaging 2 hours 23 minutes.

Morning is the busiest departure period on Seattle to Dallas/Fort Worth Airport flights, with 41% leaving in that window. Afternoon departures account for 26%, Evening flights for 20%, and Night flights for 13%.

Some of the most popular sights in Dallas/Fort Worth Airport are American Airlines Center, Kay Bailey Hutchison Convention Center, and Dallas Museum of Art. These are among the most viewed places in Dallas/Fort Worth Airport on KAYAK.

These are the earliest and latest flight times available from Seattle to Dallas/Fort Worth Airport:

• 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.

Last-minute fares on this route – booked within 2 weeks of departure – run 22% above the route average of C$ 520. Book 4 weeks before departure for the lowest fares.

A direct flight from Seattle to Dallas/Fort Worth Airport takes 4h 02m, covering 4,291 km.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 387 to C$ 2,173. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to Dallas/Fort Worth Airport are currently lower than usual. Average one-way flight prices are about C$ 261, which is 17% below the typical average for this route.

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

• Alaska Airlines: 89% on time
• Frontier: 88% on time
• American Airlines: 86% on time

On average, flights on this route are punctual 87% of the time.

Morning 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.

Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 7h 21m, compared with 9h 00m via Denver Intl (DEN) and 10h 21m via Salt Lake City (SLC).

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

Dallas/Fort Worth Airport (DFW) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include:
• Easirent
• Europcar
• Ace
• Hertz
• Thrifty

Round-trip flights from Seattle to Dallas/Fort Worth Airport range from C$ 382 to C$ 666, with an average of C$ 520 over the past 12 months. Anything below C$ 382 counts as a good deal.

Three airlines offer in-flight Wi-Fi on Seattle to Dallas/Fort Worth Airport 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.