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Ko Phi Phi

$278+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Ko Phi Phi are usually found in September or January, 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 October 29, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$531
(FlightHub)

One-way from

$278
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$935
Provider with most accurate pricing for Seattle/Tacoma Intl-Phuket City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Phuket City flights.
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From Seattle/Tacoma Intl to Ko Phi Phi
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One-way flight from Seattle/Tacoma Intl to Ko Phi Phi
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Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This FlightHub deal was found by Cheapflights users on 10/27. 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 11/1012:10 amSEA - HKT
1 stop29h 45mAsiana Airlines
Mon 11/1710:15 pmHKT - SEA
1 stop30h 40mAsiana Airlines
Deal found 10/27$678
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Sat 11/1510:15 pmHKT - SEA
1 stop30h 40mAsiana Airlines
Deal found 10/29$688
This Asiana Airlines deal was found by Cheapflights users on 10/27. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:10 amSEA - HKT
1 stop29h 45mAsiana Airlines
Sat 11/2210:15 pmHKT - SEA
1 stop30h 40mAsiana Airlines
Deal found 10/27$724
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Sun 12/2812:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Fri 1/1610:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 10/27$728
This Asiana Airlines deal was found by Cheapflights users on 10/27. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Sat 1/1710:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 10/27$754
This Asiana Airlines deal was found by Cheapflights users on 10/28. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Fri 1/1610:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 10/28$778
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:10 amSEA - HKT
1 stop29h 45mAsiana Airlines
Sun 12/1410:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 10/28$783
This Korean Air deal was found by Cheapflights users on 10/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:00 amSEA - HKT
1 stop20h 10mKorean Air
Mon 11/1711:40 pmHKT - SEA
1 stop24h 20mKorean Air
Deal found 10/27$798
This Korean Air deal was found by Cheapflights users on 10/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:00 amSEA - HKT
1 stop20h 10mKorean Air
Sun 1/1811:40 pmHKT - SEA
1 stop24h 20mKorean Air
Deal found 10/27$806
This Asiana Airlines deal was found by Cheapflights users on 10/27. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:10 amSEA - HKT
1 stop30h 25mAsiana Airlines
Sun 1/1810:55 pmHKT - SEA
1 stop30h 00mAsiana Airlines
Deal found 10/27$808
This Korean Air deal was found by Cheapflights users on 10/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:00 amSEA - HKT
1 stop20h 10mKorean Air
Mon 11/1711:40 pmHKT - SEA
2 stops30h 04mKorean Air
Deal found 10/28$809

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 October 29, 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

10:15 pm-1:55 pm

1 stop30h 40m

$678

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 11/17

12:10 am-8:55 pm

1 stop29h 45m

Phuket City

Sat 11/22

10:15 pm-1:55 pm

1 stop30h 40m

$724

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 2/28

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Sun 3/15

10:55 pm-2:55 pm

1 stop30h 00m

$724

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 3/1

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Sat 3/14

10:55 pm-2:55 pm

1 stop30h 00m

$724

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 11/10

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Mon 11/17

11:40 pm-9:00 am

1 stop24h 20m

$798

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 11/11

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Wed 12/3

11:40 pm-9:00 am

1 stop24h 20m

$798

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 3/3

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Mon 3/16

11:40 pm-10:00 am

1 stop24h 20m

$798

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 3/3

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Thu 3/19

11:40 pm-10:00 am

1 stop24h 20m

$798

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Wed 1/14

11:00 am-10:10 pm

1 stop20h 10m

Phuket City

Tue 1/20

11:40 pm-9:00 am

1 stop24h 20m

$798

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 3/15

6:55 pm-10:10 pm

2 stops37h 15m

Phuket City

Sun 3/22

11:40 pm-10:00 am

1 stop24h 20m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 results
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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 October 24, 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, February is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $516). Flying from Seattle to Ko Phi Phi in April is currently the most expensive (average of $817). 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 October 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Ko Phi Phi in the morning. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the afternoon.

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 October 29, 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
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Korean Air
8.4
Very good
1,155 reviews
EVA Air
8.4
Very good
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Singapore Airlines
8.1
Very good
1,388 reviews
EVA Air
8.4
Very good
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Delta
7.9
Good
7,993 reviews
EVA Air
8.4
Very good
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Qatar Airways
7.4
Good
3,659 reviews
EVA Air
8.4
Very good
1,265 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 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.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $516). Flying from Seattle to Ko Phi Phi in April is currently the most expensive (average of $817). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$552Average$829FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$806Average$872FlexibilityNo cancel feeOn-time81%
DeltaCheapest$835Average$1,076FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$896Average$1,175FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$966Average$1,082FlexibilityNo cancel feeOn-time74%

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