$145 Find Cheap Flights from Dallas to Seattle - Compare and Save

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

• Earliest: departs at 6:00 am and lands at 10:33 am
• Latest: departs at 10:31 pm and lands at 3:04 am.

The flight takes about 4h 33m.

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

• Economy Class
• Business Class
• First Class

A nonstop flight from Dallas to Seattle takes 4h 33m, 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.

Round-trip flights from Dallas to Seattle range from $308 to $479, with an average of $393 over the past 12 months. Anything below $308 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 20% above the $393 route average. Book 5 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $256 round-trip via Los Angeles (LAX), compared to $402 for nonstop.

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

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

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

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.

Morning is the busiest departure period on Dallas to Seattle flights, with 47% of flights leaving in that window. Evening departures account for 26%, afternoon flights for 21%, and night flights for 6%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $257 to $1,123. That means the highest observed fare was about 4x higher than the lowest one.

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.

One-way fares from Dallas to Seattle are currently lower than usual. Average one-way flight prices are about $149, which is 37% below the typical average for this route.

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Budget
• Hertz

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).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

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 2h 25m.

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

• Denver Intl (DEN) - 78% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections
• Ontario (ONT) - 2% of one-stop connections
• Houston George Bush Intcntl (IAH) - 2% of one-stop connections

Yes. Flexible dates can save you up to 9% on flights from Dallas to Seattle. Wednesday is the cheapest departure day at $381 round-trip on average, while Sunday is the most expensive at $417, a difference of $36.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

• American Airlines
• Alaska Airlines
• Delta
• Southwest

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 47m, compared with 7h 38m 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.

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.

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.

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 always check the fare details before booking.

Delta Air Lines serves DAL. Lounge access depends on the airline and the fare or access conditions. On Alaska's oneworld itineraries, a paid or award business class ticket qualifies only if it includes at least one international leg. Entertainment options are also available.

All airlines operating between Dallas (DFW) and SEA offer accessible services for passengers with mobility limitations. Wheelchair assistance is available for travelers who have difficulty walking long distances or navigating the airport and it can be requested during booking or at check-in. Service animals are also welcome on board to assist passengers with disabilities.