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Ko Phi Phi

$299+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKT
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This oojo deal was found by Cheapflights users on 3/14. 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 9/1810:15 am
SEA
-
HKT
1 stop19h 00m
Singapore Airlines
Sat 9/2611:40 am
HKT
-
SEA
1 stop35h 05m
Singapore Airlines
Deal found 3/14$508
This oojo deal was found by Cheapflights users on 3/15. 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 10/110:15 am
SEA
-
HKT
1 stop34h 35m
Singapore Airlines
Sat 10/1711:40 am
HKT
-
SEA
1 stop35h 05m
Singapore Airlines
Deal found 3/15$617
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:50 am
SEA
-
HKT
1 stop33h 30m
Cathay Pacific
Mon 11/166:35 pm
HKT
-
SEA
1 stop29h 35m
Cathay Pacific
Deal found 3/14$727
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:15 am
SEA
-
HKT
1 stop40h 55m
Multiple Airlines
Tue 9/14:45 pm
HKT
-
SEA
2 stops41h 20m
Multiple Airlines
Deal found 3/14$728
This FlightHub deal was found by Cheapflights users on 3/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:15 am
SEA
-
HKT
1 stop34h 35m
Singapore Airlines
Mon 10/129:20 am
HKT
-
SEA
1 stop37h 25m
Singapore Airlines
Deal found 3/15$742
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:55 am
SEA
-
HKT
1 stop30h 45m
Asiana Airlines
Sun 5/310:25 pm
HKT
-
SEA
1 stop30h 30m
Asiana Airlines
Deal found 3/14$751
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:45 am
SEA
-
HKT
1 stop33h 05m
Cathay Pacific
Sun 5/176:20 pm
HKT
-
SEA
1 stop29h 45m
Cathay Pacific
Deal found 3/17$755
This KAYAK deal was found by Cheapflights users on 3/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:50 am
SEA
-
HKT
1 stop33h 30m
Cathay Pacific
Mon 11/166:35 pm
HKT
-
SEA
1 stop29h 35m
Cathay Pacific
Deal found 3/14$758
This ScholarTrip deal was found by Cheapflights users on 3/13. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:50 am
SEA
-
HKT
1 stop33h 30m
Cathay Pacific
Tue 11/2412:20 pm
HKT
-
SEA
1 stop35h 50m
Cathay Pacific
Deal found 3/13$762
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:10 pm
SEA
-
HKT
2 stops33h 20m
Multiple Airlines
Fri 9/119:00 am
HKT
-
SEA
2 stops25h 05m
Multiple Airlines
Deal found 3/15$763
This FlightHub deal was found by Cheapflights users on 3/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:55 am
SEA
-
HKT
1 stop30h 20m
Asiana Airlines
Thu 11/1210:55 pm
HKT
-
SEA
1 stop30h 00m
Asiana Airlines
Deal found 3/15$772

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$728
(Trip.com)

One-way from

$299
(FlightHub)

Popular in

July

Cheapest in

April

Average price

$804
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 ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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
Quickest round-trip

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 5/4

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Tue 5/19

11:25 pm-10:40 am

1 stop25h 15m

$910

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 4/18

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Wed 4/22

11:25 pm-10:40 am

1 stop25h 15m

$950

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Wed 4/15

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Sun 5/3

11:25 pm-5:16 pm

2 stops31h 51m

$960

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 5/12

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Thu 5/21

11:25 pm-3:05 pm

2 stops29h 40m

$1,010

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Fri 4/17

12:55 am-9:15 pm

1 stop30h 20m

Phuket City

Wed 4/22

10:50 pm-2:55 pm

1 stop30h 05m

$1,144
Cheapest one-way

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 4/30

10:15 am-8:35 am

1 stop32h 20m

$316

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 4/14

10:15 am-2:10 pm

1 stop37h 55m

$393

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 4/14

7:35 am-10:10 pm

2 stops48h 35m

$496
Quickest one-way

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 4/30

12:50 pm-10:10 pm

1 stop19h 20m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Sorted by cheapest first

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 far ahead should I book a flight from Seattle to Ko Phi Phi?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Ko Phi Phi. Price data was last updated on March 13, 2026.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Ko Phi Phi. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Ko Phi Phi?

Currently, May is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $500). Flying from Seattle to Ko Phi Phi in August is currently the most expensive (average of $845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 18, 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
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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
1,379 reviews
EVA Air
8.5
Very good
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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
1,202 reviews
EVA Air
8.5
Very good
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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
1,480 reviews
EVA Air
8.5
Very good
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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
506 reviews
EVA Air
8.5
Very good
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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
8,291 reviews
EVA Air
8.5
Very good
1,379 reviews

Comfort

8.3

Boarding

8.4

Overall

8.5

Crew

8.6

Entertainment

8.0

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. 6 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 19h 20m. Fly via Korean Air to get the fastest option. Seattle and Ko Phi Phi are separated by a distance of 7860 mi.

  • 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.

  • What is the cheapest month to book a flight from Seattle to Ko Phi Phi?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $500). Flying from Seattle to Ko Phi Phi in August is currently the most expensive (average of $845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 6 airlines flying from Seattle to Ko Phi Phi

Discover the top 6 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$509Average$709FlexibilityNo cancel feeOn-time81%
DeltaCheapest$544Average$1,010FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$679Average$757FlexibilityNo cancel feeOn-time76%
Qatar AirwaysCheapest$745Average$1,131FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$792Average$888FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$934Average$1,057FlexibilityNo cancel feeOn-time74%

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