Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 1,000,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap DAL to SEA Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

to route information

Airlines Serving Alaska Airlines, Delta

Cheap DAL to SEA Flights

  • Question : What airports do you fly into for Seattle?
    Answer : Fortunately for you, there is another way to get to Seattle from Dallas. Dallas/Fort Worth International Airport (DFW) is just 11 miles away, and over the next two months, flights are being priced 23% cheaper than flights from Dallas Love Field.
  • Question : How long does it take to fly from Dallas to Seattle?
    Answer : This flight takes just about four hours and 20 minutes via Southwest Airlines. If you catch the 10:15 AM CDT departure, you'll arrive at 12:35 PM PDT. Until we get the glitches sorted out of our teleportation machine, this is still the one of the fastest ways to get from Dallas to Seattle (remember, there is a two-hour time difference).
  • Question : How long does the average person stay in Seattle?
    Answer : Of course, you're not an average person, but if you were, you'd stay about seven days.
  • Question : How many flights are there per day from Dallas to Seattle?
    Answer : The number does differ by the day of the week, but on average, you can expect five different choices of flight times when you book. You won't have as many choices on this route as most other routes departing the United States.
  • Question : How much is a plane ticket to Seattle (SEA) from Dallas (DAL)?
    Answer : Cost can range from $166 to $1,237, prices for DAL to SEA do change more than most routes in the United States. The further out you book your ticket, the more likely you are to save.
  • Question : What is the cheapest day to fly to Seattle?
    Answer : Tickets are presently being sold for $166, which is 57% below the average price. As of May 20th, the cheapest day to fly from Dallas to Seattle is May 21st.
  • Question : What is the cheapest airline flying from Dallas to Seattle?
    Answer : Alaska Airlines is your best bet for finding that sought-after low fare. They're offering fares as low as $166, while prices for similar flights can cost as much as $1,237.