Cheap Flights from Seattle to Phuket from $450

Frequently Asked Questions

• What are the cheapest flights from Seattle to Phuket (SEA-HKT)?

  Based on Trip.com data, Korean Air offers one-way fares as low as $450 on Cheapest nonstop routes (e.g. SEA to HKT on Sun, Sep 20), while Singapore Airlines offers Cheapest nonstop round-trips from $695 departing on Tue, Nov 3 and returning on Tue, Nov 10.

• Which airlines offer direct flights from Seattle to Phuket?

  At the moment, you can catch a nonstop flight from Seattle to Phuket with the following airlines, including: Thai Vietjet Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

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

  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 Phuket 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 can I find the best deals on flights from Seattle to Phuket?

  To find best deals on flights from Seattle to Phuket, 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 Sun, Sep 20, with one-way flights priced at just $450.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air.
  · 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 Phuket travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seattle (SEA) to Phuket (HKT) the cheapest?

  The cheapest months to fly from Seattle to Phuket is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seattle to Phuket on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seattle to Phuket on September 23, 2026 with Korean Air, with prices starting at $876.

• Which airports can I fly into Phuket from Seattle?

  You can arrive at any of the following airports in Phuket: Phuket International Airport (HKT). Flights from Seattle-Tacoma International Airport to Phuket International Airport (SEA-HKT) are by far the most popular option for this route.

• Is there any time difference between Seattle and Phuket?

  The time difference between Phuket and Seattle is 15h.

• How do I change or cancel my ticket from Seattle to Phuket?

  Tickets can only be changed or canceled 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.

• What is the average cost of a one-way flight from Seattle to Phuket?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Phuket is $655. Fares vary by travel date, airline and availability.

• How do I book flights from Seattle to Phuket on Trip.com?

  Enter Seattle and Phuket, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.