Cheap flights from Seattle to Ko Yao Yai

View AU$603 flight on Thu, 28 Aug. 2025Opens in a new window

Popular airlines from Seattle to Ko Yao Yai

  • Jetstar

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    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Ko Yao Yai (HKT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SEA
Seattle
HKT
Phuket
AU$1,118 Return, found 4 days ago
AU$1,118
Return
found 4 days ago
Select Asiana Airlines flight, departing Mon, 8 Sep. from Seattle to Phuket, returning Mon, 15 Sep., priced at AU$1,118 found 4 days ago
Korean Air
Thu, 28 Aug. - Thu, 4 Sep.
SEA
Seattle
HKT
Phuket
AU$1,295 Return, found 4 days ago
AU$1,295
Return
found 4 days ago
Select Korean Air flight, departing Thu, 28 Aug. from Seattle to Phuket, returning Thu, 4 Sep., priced at AU$1,295 found 4 days ago
Delta
Thu, 28 Aug. - Thu, 4 Sep.
SEA
Seattle
HKT
Phuket
AU$1,316 Return, found 4 days ago
AU$1,316
Return
found 4 days ago
Select Delta flight, departing Thu, 28 Aug. from Seattle to Phuket, returning Thu, 4 Sep., priced at AU$1,316 found 4 days ago
EVA Airways
Sat, 1 Nov. - Sun, 16 Nov.
SEA
Seattle
KBV
Krabi
AU$1,599 Return, found 4 days ago
AU$1,599
Return
found 4 days ago
Select EVA Airways flight, departing Sat, 1 Nov. from Seattle to Krabi, returning Sun, 16 Nov., priced at AU$1,599 found 4 days ago
EVA Airways
Sat, 1 Nov. - Sun, 16 Nov.
SEA
Seattle
KBV
Krabi
AU$1,599 Return, found 4 days ago
AU$1,599
Return
found 4 days ago
Select EVA Airways flight, departing Sat, 1 Nov. from Seattle to Krabi, returning Sun, 16 Nov., priced at AU$1,599 found 4 days ago
Singapore Airlines
Sat, 1 Nov. - Sun, 16 Nov.
SEA
Seattle
HKT
Phuket
AU$1,613 Return, found 4 days ago
AU$1,613
Return
found 4 days ago
Select Singapore Airlines flight, departing Sat, 1 Nov. from Seattle to Phuket, returning Sun, 16 Nov., priced at AU$1,613 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Phuket (HKT)

February is typically the cheapest month to fly

From AU$976 - AU$1,752 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.