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Flights from Seattle to Phuket

Cheapest airlines flights from Seattle to Phuket

You can choose from 1 airlines that fly from Seattle to Phuket, including Korean Air, Singapore Airlines has lowest fares on this route.
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Seattle to Phuket according to previous 12 months data from Trip.com.

Search cheap flights from Seattle to Phuket in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$284, and round-trip tickets start at US$513.

      • SEA 10:15
        19h
        1 stop
        HKT 19:15
        Seattle - Phuket | Tue, May 5 | Singapore Airlines
        HKT 11:40
        35h 5m
        1 stop
        SEA 08:45
        Phuket - Seattle | Sat, May 9 | Singapore Airlines
        US$513 US$1,164
        56% off
        56% off
        US$1,164 US$513
      • SEA 10:15
        19h
        1 stop
        HKT 19:15
        Seattle - Phuket | Tue, Apr 28 | Singapore Airlines
        HKT 09:55
        36h 50m
        1 stop
        SEA 08:45
        Phuket - Seattle | Sat, May 2 | Singapore Airlines
        US$605 US$1,164
        48% off
        48% off
        US$1,164 US$605
      • SEA 00:55
        30h
        1 stop
        HKT 20:55
        Seattle - Phuket | Tue, May 5 | Asiana Airlines
        HKT 22:15
        30h 40m
        1 stop
        SEA 14:55
        Phuket - Seattle | Sat, May 9 | Asiana Airlines
        US$781 US$1,164
        33% off
        33% off
        US$1,164 US$781
      • SEA 00:55
        30h
        1 stop
        HKT 20:55
        Seattle - Phuket | Tue, Apr 28 | Asiana Airlines
        HKT 22:15
        30h 40m
        1 stop
        SEA 14:55
        Phuket - Seattle | Sat, May 2 | Asiana Airlines
        US$857
        26% off
        US$1,164 US$857
      • SEA 00:55
        30h
        1 stop
        HKT 20:55
        Seattle - Phuket | Tue, Apr 14 | Asiana Airlines
        HKT 22:15
        30h 40m
        1 stop
        SEA 14:55
        Phuket - Seattle | Sat, Apr 18 | Asiana Airlines
        US$893
        23% off
        US$1,164 US$893
      • SEA 12:50
        19h 20m
        1 stop
        HKT 22:10
        Seattle - Phuket | Tue, May 5 | Korean Air
        HKT 11:40
        35h 5m
        1 stop
        SEA 08:45
        Phuket - Seattle | Sat, May 9 | Singapore Airlines
        US$897
        23% off
        US$1,164 US$897
      • SEA 11:45
        33h 5m
        1 stop
        HKT 10:50
        Seattle - Phuket | Tue, May 5 | Cathay Pacific
        HKT 11:40
        35h 5m
        1 stop
        SEA 08:45
        Phuket - Seattle | Sat, May 9 | Singapore Airlines
        US$906
        22% off
        US$1,164 US$906
      • SEA 13:00
        19h 10m
        1 stop
        HKT 22:10
        Seattle - Phuket | Mon, May 4 | Delta Air Lines
        HKT 23:25
        27h 46m
        1 stop
        SEA 13:11
        Phuket - Seattle | Wed, May 6 | Delta Air Lines
        US$988
        15% off
        US$1,164 US$988
      • SEA 13:00
        19h 10m
        1 stop
        HKT 22:10
        Seattle - Phuket | Tue, May 5 | Delta Air Lines
        HKT 23:25
        27h 46m
        1 stop
        SEA 13:11
        Phuket - Seattle | Mon, May 11 | Delta Air Lines
        US$988
        15% off
        US$1,164 US$988
      • SEA 12:50
        19h 20m
        1 stop
        HKT 22:10
        Seattle - Phuket | Sun, May 3 | Korean Air
        HKT 23:25
        25h 15m
        1 stop
        SEA 10:40
        Phuket - Seattle | Sun, May 10 | Korean Air
        US$989
        15% off
        US$1,164 US$989
      • SEA 13:00
        17h 25m
        1 stop
        HKT Invalid Date
        Seattle - Phuket | Mon, Apr 13 | Normal Airline
        HKT 15:00
        6h
        Nonstop
        SEA 16:00
        Phuket - Seattle | Wed, Apr 15 | Normal Airline
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        Find more flights
      • SEA 10:15
        40h 55m
        1 stop
        HKT 17:10
        Seattle - Phuket | Tue, Apr 21 | Singapore Airlines
        US$284 US$443
        36% off
        36% off
        US$443 US$284
      • SEA 10:15
        34h 35m
        1 stop
        HKT 10:50
        Seattle - Phuket | Sat, May 9 | Singapore Airlines
        US$285 US$443
        36% off
        36% off
        US$443 US$285
      • SEA 10:15
        40h 55m
        1 stop
        HKT 17:10
        Seattle - Phuket | Sat, Apr 25 | Singapore Airlines
        US$286 US$443
        35% off
        35% off
        US$443 US$286
      • SEA 10:15
        19h
        1 stop
        HKT 19:15
        Seattle - Phuket | Tue, Apr 14 | Singapore Airlines
        US$286
        35% off
        US$443 US$286
      • SEA 10:15
        40h 55m
        1 stop
        HKT 17:10
        Seattle - Phuket | Thu, Apr 23 | Singapore Airlines
        US$289
        35% off
        US$443 US$289
      • SEA 10:15
        40h 55m
        1 stop
        HKT 17:10
        Seattle - Phuket | Tue, May 12 | Singapore Airlines
        US$326
        26% off
        US$443 US$326
      • SEA 09:45
        41h 25m
        1 stop
        HKT 17:10
        Seattle - Phuket | Fri, Apr 24 | Singapore Airlines
        US$332
        25% off
        US$443 US$332
      • SEA 10:15
        40h 55m
        1 stop
        HKT 17:10
        Seattle - Phuket | Sun, Apr 19 | Singapore Airlines
        US$340
        23% off
        US$443 US$340
      • SEA 00:55
        30h
        1 stop
        HKT 20:55
        Seattle - Phuket | Wed, Apr 22 | Asiana Airlines
        US$376
        15% off
        US$443 US$376
      • SEA 00:55
        30h
        1 stop
        HKT 20:55
        Seattle - Phuket | Mon, Apr 20 | Asiana Airlines
        US$376
        15% off
        US$443 US$376
      • SEA 13:00
        17h 25m
        1 stop
        HKT Invalid Date
        Seattle - Phuket | Mon, Apr 13 | Normal Airline
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        Find more flights

Displayed flight fares from Seattle to Phuket are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Seattle to Phuket Flight Details

The distance between Seattle and Phuket is about 12,659.31 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$284
Cheapest return ticket priceUS$513
Cheapest monthNovember
Peak season for travelJuly
Flight distance12,659.31 km
Popular airlineKorean Air
Flight statistics for the Seattle–Phuket route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

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

    Based on Trip.com data, Singapore Airlines offers one-way fares as low as US$284 on Cheapest nonstop routes (e.g. SEA to HKT on Tue, Apr 21), while Singapore Airlines offers Cheapest nonstop round-trips from US$513 departing on Tue, May 5 and returning on Sat, May 9.
  • At the moment, several airlines serve connecting flights from Seattle to Phuket, including: Korean Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • 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.
  • 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 Tue, Apr 21, with one-way flights priced at just US$284.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Singapore 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 Phuket travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Phuket is November, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Seattle to Phuket on April 24, 2026 with Singapore Airlines, with prices starting at US$526.
  • You can land at any one of the following hubs in Phuket, with Seattle-Tacoma International Airport to Phuket International Airport (SEA-HKT) is by far the most common option on this route: Phuket International Airport (HKT).
  • The time difference between Phuket and Seattle is 15h.
  • 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.

Trip.com Airline Insights on Flights from Seattle to Phuket

Which airline offers the cheapest direct flights from Seattle to Phuket?

Data is based on the average price of all nonstop flights from Seattle to Phuket on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Asiana Airlines provides the lowest-priced direct flights from Seattle to Phuket, with fares starting at US$59.

US$59
US$456
US$853
US$1,250
Asiana Airlines
US$59
Asiana Airlines
Singapore Airlines
US$470
Singapore Airlines
Qatar Airways
US$629
Qatar Airways
EVA Air
US$646
EVA Air
Korean Air
US$665
Korean Air
Delta Air Lines
US$1,250
Delta Air Lines

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.