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Ko Phi Phi

$372+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Ko Phi Phi are usually found in January or March, booked 69 days in advance, depart on a Thursday or Saturday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$510
(FlightHub)

One-way from

$372
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$995
From Seattle/Tacoma Intl to Ko Phi Phi
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One-way flight from Seattle/Tacoma Intl to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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 11/118:45 amSEA - HKT
1 stop19h 40mSingapore Airlines
Mon 11/178:40 amHKT - SEA
1 stop37h 30mSingapore Airlines
Deal found 9/11$655
This Justfly.com deal was found by Cheapflights users on 9/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:45 amSEA - HKT
1 stop38h 20mSingapore Airlines
Fri 2/68:15 pmHKT - SEA
1 stop25h 55mSingapore Airlines
Deal found 9/9$669
This FlightHub deal was found by Cheapflights users on 9/8. 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 10/212:15 pmSEA - HKT
1 stop40h 00mAsiana Airlines
Fri 11/710:45 pmHKT - SEA
1 stop30h 10mAsiana Airlines
Deal found 9/8$678
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Thu 9/112:15 pmSEA - HKT
1 stop40h 00mAsiana Airlines
Tue 9/239:45 pmHKT - SEA
1 stop28h 45mAsiana Airlines
Deal found 9/11$679
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:15 pmSEA - HKT
1 stop40h 00mAsiana Airlines
Wed 9/2411:40 pmHKT - SEA
1 stop26h 50mAsiana Airlines
Deal found 9/9$696
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Wed 11/1910:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 9/11$700
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:10 amSEA - HKT
1 stop30h 00mAsiana Airlines
Wed 11/2610:45 pmHKT - SEA
1 stop30h 10mAsiana Airlines
Deal found 9/9$704
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Sun 12/710:45 pmHKT - SEA
1 stop30h 10mAsiana Airlines
Deal found 9/10$705
This oojo deal was found by Cheapflights users on 9/9. 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.
Sun 11/168:45 amSEA - HKT
1 stop34h 25mSingapore Airlines
Wed 11/2610:05 amHKT - SEA
1 stop36h 05mSingapore Airlines
Deal found 9/9$730
This oojo deal was found by Cheapflights users on 9/9. 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.
Wed 11/124:30 pmSEA - HKT
2 stops26h 40mMultiple Airlines
Mon 11/1711:05 amHKT - SEA
1 stop35h 05mMultiple Airlines
Deal found 9/9$745
This oojo deal was found by Cheapflights users on 9/11. 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 11/1011:00 amSEA - HKT
1 stop20h 10mKorean Air
Wed 11/1911:40 pmHKT - SEA
1 stop24h 20mKorean Air
Deal found 9/11$754

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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Ko Phi Phi that are best for you.

Fly from

Seattle

Fly to

Ko Phi Phi

Route

Depart

Return

Price

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 11/11

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Mon 11/17

10:45 pm-1:55 pm

1 stop30h 10m

$679

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 11/29

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Sun 12/7

10:45 pm-1:55 pm

1 stop30h 10m

$705

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 11/16

8:45 am-10:10 am

1 stop34h 25m

Phuket City

Wed 11/26

10:05 am-7:10 am

1 stop36h 05m

$730

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 11/15

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Sat 11/29

10:45 pm-1:55 pm

1 stop30h 10m

$755

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 10/19

2:15 pm-8:15 pm

1 stop40h 00m

Phuket City

Wed 10/22

9:45 pm-12:30 pm

1 stop28h 45m

$770

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Wed 11/12

4:30 pm-10:10 am

2 stops26h 40m

Phuket City

Mon 11/17

10:05 am-7:10 am

1 stop36h 05m

$776

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 11/11

3:45 pm-10:10 pm

2 stops39h 25m

Phuket City

Mon 11/17

11:40 pm-9:00 am

1 stop24h 20m

$804

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 12/4

8:45 am-2:05 pm

1 stop38h 20m

Phuket City

Tue 12/9

2:55 pm-7:10 am

1 stop55h 15m

$805

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 10/18

2:15 pm-8:15 pm

1 stop40h 00m

Phuket City

Sun 10/26

10:45 pm-2:55 pm

1 stop30h 10m

$836

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 11/11

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Sat 11/22

11:40 pm-9:00 am

1 stop24h 20m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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 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 August 29, 2025.

Booking 69 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, September is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $1,068). Flying from Seattle to Ko Phi Phi in December is currently the most expensive (average of $1,684). 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.

What is the cheapest time of day to fly from SEA to K33?

Find hourly flight availability from Seattle to Ko Phi Phi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Seattle to Ko Phi Phi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Seattle to Ko Phi Phi?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Ko Phi Phi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Ko Phi Phi flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and Singapore 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
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very good
1,139 reviews
EVA Air
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,365 reviews
EVA Air
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Delta
8.0
Very good
7,960 reviews
EVA Air
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Qatar Airways
7.4
Good
3,624 reviews
EVA Air
8.4
Very good
1,236 reviews

Food

8.1

Boarding

8.4

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 30h 25m. Fly via Asiana Airlines or Singapore Airlines 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.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $1,068). Flying from Seattle to Ko Phi Phi in December is currently the most expensive (average of $1,684). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$642Average$915FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$834Average$938FlexibilityNo cancel feeOn-time81%
DeltaCheapest$835Average$1,041FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$896Average$1,175FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$1,000Average$1,059FlexibilityNo cancel feeOn-time74%

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