$161 Find Cheap Flights from Dallas to Seattle - Compare and Save

If you want to travel sustainably from Dallas (DFW) to Seattle-Tacoma International Airport (SEA), consider flying aboard Alaska Airlines. The carrier has taken steps to reduce its environmental impact, including using fuel-efficient aircraft and investing in sustainable aviation fuels. They also have programs to recycle on-board materials and promote responsible waste management.

Some airlines offer one-stop flights through other destinations when booking flights from Dallas Love Field Airport (DAL) to Seattle-Tacoma International Airport (SEA). Popular transit cities along this route include Denver, Colorado (DEN); Phoenix, Arizona (PHX); Los Angeles, California (LAX); Salt Lake City, Utah (SLC); Chicago, Illinois (ORD); and Minneapolis, Minnesota (MSP).

All airlines between Dallas (DFW) and Seattle-Tacoma International Airport (SEA) cater to the needs of passengers with mobility limitations. They provide wheelchair assistance for travelers with difficulty walking long distances or navigating the airport. You can request a wheelchair at the airport during check-in or when making your reservation. In addition, they welcome service animals on board to assist passengers with disabilities.

Certain airlines, among them American Airlines, Delta Air Lines, and United Airlines, are well known for their exceptional business class services and amenities between Dallas (DAL) and Seattle (SEA). Business class passengers can enjoy priority check-in, lounge access, enhanced dining options, and various entertainment choices.

Among airlines operating Dallas to Seattle 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.

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

• American Airlines
• Alaska Airlines
• Delta
• Southwest

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

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
• Southwest: 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.

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

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $256 round-trip via Los Angeles (LAX), compared to $389 for nonstop.

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.

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

• Denver Intl (DEN) - 79% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 13% of one-stop connections
• Houston George Bush Intcntl (IAH) - 2% of one-stop connections
• Ontario (ONT) - 2% 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 8% on the Dallas to Seattle route. Wednesday is the cheapest departure day at $372 round-trip on average, while Sunday is the most expensive at $401, a difference of $29. 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 Dallas to Seattle route, 18% of flights were delayed in the past 3 months, with delays averaging 2 hours 26 minutes.

Morning is the busiest departure period on Dallas to Seattle flights, with 44% of flights leaving in that window. Evening departures account for 31%, afternoon flights for 19%, and night flights for 6%.

Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

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

• Earliest: departs at 6:00 am and lands at 10:28 am
• Latest: departs at 9:50 pm and lands at 2:18 am.

The flight takes about 4h 28m.

Last-minute fares on this route - booked within 2 weeks of departure - run 20% above the route average of $379. Book 5 weeks before departure for the lowest fares.

A nonstop flight from Dallas to Seattle takes 4h 28m, covering 1,672 miles.

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 $283 to $1,068. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Dallas to Seattle are currently lower than usual. Average one-way flight prices are about $168, which is 27% below the typical average for this route.

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

• Frontier: 88% on time
• Delta: 87% on time
• Alaska Airlines: 86% on time

Overall, flights on this route are on time 82% of the time on average.

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 Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 47m, compared with 7h 14m via Houston George Bush Intcntl (IAH) and 9h 13m via Atlanta Hartsfield-Jackson (ATL).

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

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Round-trip flights from Dallas to Seattle range from $285 to $466, with an average of $379 over the past 12 months. Anything below $285 counts as a good deal.

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

• Alaska Airlines
• American Airlines
• Delta
• JetBlue

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.