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Ko Phi Phi

$431+ Cheap flights from Seattle (SEA) to Ko Phi Phi, Thailand

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKT
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap flight deals from Seattle to Ko Phi Phi

Cheapest flights from Seattle to Ko Phi Phi
Explore the most affordable flight options available from Seattle to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This oojo deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
-
HKT
1 stop19h 00m
Singapore Airlines
Sat 10/3110:05 am
HKT
-
SEA
1 stop36h 05m
Singapore Airlines
Deal found 5/7$680
This oojo deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:15 am
SEA
-
HKT
1 stop19h 35m
Singapore Airlines
Mon 10/262:55 pm
HKT
-
SEA
1 stop31h 15m
Singapore Airlines
Deal found 5/5$715
This Justfly.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:15 am
SEA
-
HKT
1 stop19h 00m
Singapore Airlines
Fri 10/236:00 pm
HKT
-
SEA
1 stop28h 45m
Singapore Airlines
Deal found 5/10$760
This oojo deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:10 pm
SEA
-
HKT
2 stops26h 40m
Singapore Airlines
Wed 11/118:15 pm
HKT
-
SEA
1 stop25h 55m
Singapore Airlines
Deal found 5/6$798
This oojo deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:45 am
SEA
-
HKT
1 stop41h 25m
Singapore Airlines
Fri 12/118:40 am
HKT
-
SEA
1 stop37h 30m
Singapore Airlines
Deal found 5/5$803
This oojo deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:01 pm
SEA
-
HKT
2 stops27h 49m
Singapore Airlines
Mon 10/2610:05 am
HKT
-
SEA
1 stop36h 05m
Singapore Airlines
Deal found 5/7$816
This oojo deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:05 pm
SEA
-
HKT
2 stops25h 45m
Singapore Airlines
Fri 10/238:10 pm
HKT
-
SEA
1 stop26h 35m
Singapore Airlines
Deal found 5/10$817
This oojo deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:15 am
SEA
-
HKT
1 stop34h 35m
Singapore Airlines
Sat 10/39:25 am
HKT
-
SEA
1 stop37h 20m
Singapore Airlines
Deal found 5/9$846
This oojo deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:45 am
SEA
-
HKT
1 stop41h 25m
Singapore Airlines
Sun 11/296:00 pm
HKT
-
SEA
1 stop52h 10m
Singapore Airlines
Deal found 5/10$880

Find flight deals from Seattle to Ko Phi Phi

Keep the following information in mind while searching for Seattle to Ko Phi Phi flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,028
(IEagle)

One-way from

$431
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$577
Provider with most accurate pricing for Seattle/Tacoma Intl-Phuket City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Phuket City flights.
Search Deals
From Seattle/Tacoma Intl to Ko Phi Phi
Search Deals
One-way flight from Seattle/Tacoma Intl to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Ko Phi Phi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Seattle to Ko Phi Phi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 10/22

10:15 am-2:10 pm

1 stop37h 55m

Phuket City

Sat 10/31

11:05 am-8:10 am

1 stop35h 05m

$681

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 10/18

12:10 am-9:15 pm

1 stop31h 05m

Phuket City

Thu 10/29

10:55 pm-2:55 pm

1 stop30h 00m

$1,060

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 10/29

12:00 pm-10:10 pm

1 stop20h 10m

Phuket City

Mon 11/2

11:40 pm-3:25 pm

2 stops30h 45m

$1,082

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Wed 8/19

5:40 pm-10:10 pm

2 stops38h 30m

Phuket City

Sun 8/23

11:25 pm-9:59 pm

2 stops36h 34m

$1,122

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 10/18

2:30 pm-10:10 pm

2 stops65h 40m

Phuket City

Thu 10/29

11:40 pm-3:25 pm

2 stops29h 45m

$1,134
Quickest round-trip

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 11/1

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Thu 11/5

11:40 pm-9:00 am

1 stop24h 20m

$1,151

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 10/11

4:25 pm-7:45 am

1 stop25h 20m

Phuket City

Thu 10/29

11:50 pm-12:40 pm

1 stop26h 50m

$1,162

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 11/1

4:05 pm-5:50 am

1 stop22h 45m

Phuket City

Wed 11/4

12:50 am-11:40 am

1 stop25h 50m

$1,163

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 9/21

4:25 pm-7:45 am

1 stop25h 20m

Phuket City

Thu 9/24

6:05 pm-12:25 pm

2 stops32h 20m

$1,234
Cheapest one-way

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Fri 9/18

1:35 pm-9:15 pm

1 stop41h 40m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Seattle to Ko Phi Phi

Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Ko Phi Phi

How much does it cost to fly round-trip from Seattle to Ko Phi Phi?

Reviews of airlines servicing Ko Phi Phi

Get insights into the airlines that provide service to Ko Phi Phi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Phi Phi. Reviews last updated May 10, 2026.
Get a feel of what it's like to fly with EVA Air,Korean Air, andSingapore Airlines from Seattle to Ko Phi Phi by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.5
Very good
1,445 reviews
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Korean Air
8.4
Very good
1,217 reviews
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Singapore Airlines
8.2
Very good
1,510 reviews
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Asiana Airlines
8.1
Very good
530 reviews
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Delta
7.9
Good
8,454 reviews
EVA Air
8.5
Very good
1,445 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.5

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Ko Phi Phi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Ko Phi Phi?

    For a flight from Seattle to Ko Phi Phi, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Ko Phi Phi per day. 5 airlines have flights to Ko Phi Phi from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Ko Phi Phi?

    There are many flights that can get you from Seattle to Ko Phi Phi in 20h 10m. Fly via Singapore Airlines, Asiana Airlines, or Korean Air to get the fastest option. Seattle and Ko Phi Phi are separated by a distance of 7860 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Ko Phi Phi one-way?

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $278. Asiana Airlines flights start at $349 while deals on Korean Air start at $423 one-way.

  • Can I find deals for flights from Seattle to Ko Phi Phi that include hotel bookings?

    Yes. In addition to deals on Seattle to Ko Phi Phi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Ko Phi Phi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Ko Phi Phi.

  • Can I find deals for business class flights from Seattle to Ko Phi Phi?

    Yes. Cheapflights offers flight deals from Seattle to Ko Phi Phi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Seattle to Ko Phi Phi

Discover the top 5 airlines that operate flights from Seattle to Ko Phi Phi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$510Average$736FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$679Average$759FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$751Average$887FlexibilityNo cancel feeOn-time81%
DeltaCheapest$835Average$1,041FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$934Average$1,057FlexibilityNo cancel feeOn-time74%

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