Cheap Flights from Seattle to Dallas from S$ 146

Frequently Asked Questions

• Which airlines offer the cheapest flights from Seattle (SEA) to Dallas (DFW)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as S$ 146 on Cheapest nonstop routes (e.g. SEA to DFW on Tue, Aug 18), while Frontier Airlines offers Cheapest nonstop round-trips from S$ 230 departing on Thu, Aug 20 and returning on Sun, Aug 23.

• Which airlines offer direct flights from Seattle to Dallas?

  At the moment, you can catch a direct flight from Seattle to Dallas with the following airlines, including: American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Seattle (SEA) to Dallas (DFW)?

  It takes about 4 hours 1 minute to fly from Seattle (SEA) to Dallas (DFW).

• When is the best time to book flights from Seattle to Dallas?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Dallas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seattle to Dallas?

  Based on Trip.com data in the past 4 weeks, there is 97 flight per week flying from Seattle to Dallas. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS340 (08:00)

• How can I find the best deals on flights from Seattle to Dallas?

  To find best deals on flights from Seattle to Dallas, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Aug 18, with one-way flights priced at just S$ 146.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Dallas travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Seattle to Dallas to get the best price?

  The cheapest months to fly from Seattle to Dallas is December, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Seattle to Dallas?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to Dallas on July 22, 2026 with Frontier Airlines, with prices starting at S$ 145.

• Which airports can I fly through when travelling to Dallas from Seattle?

  You can land at any one of the following hubs in Dallas, with Seattle-Tacoma International Airport to Dallas Fort Worth International Airport (SEA-DFW) is by far the most common option on this route: Dallas Fort Worth International Airport (DFW) Dallas Love Field (DAL).

• What is the time difference between Seattle and Dallas?

  The time difference between Dallas and Seattle is 2h.

• How can I change or cancel my flight ticket from Seattle to Dallas?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.