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Ko Phi Phi

$371+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 October, booked 64 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 July 30, 2025.

Round-trip from

$623
(FlightHub)

One-way from

$371
(SmartFares)

Popular in

December

Cheapest in

January

Average price

$1,158
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. 4% potential increase in price ($51 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 July 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 July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:15 amSEA - HKT
1 stop19h 20mSingapore Airlines
Fri 11/711:05 amHKT - SEA
1 stop35h 05mSingapore Airlines
Deal found 7/29$623
This oojo deal was found by Cheapflights users on 7/30. 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 9/112:15 pmSEA - HKT
1 stop40h 00mAsiana Airlines
Tue 9/239:45 pmHKT - SEA
1 stop28h 45mAsiana Airlines
Deal found 7/30$675
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:30 pmSEA - HKT
2 stops26h 30mMultiple Airlines
Tue 8/199:55 pmHKT - SEA
2 stops30h 30mMultiple Airlines
Deal found 7/30$732
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:50 pmSEA - HKT
1 stop19h 20mKorean Air
Tue 9/2311:25 pmHKT - SEA
1 stop25h 15mKorean Air
Deal found 7/28$756

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 July 30, 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 10/21

10:15 am-7:35 pm

1 stop19h 20m

Phuket City

Fri 11/7

11:05 am-7:10 am

1 stop35h 05m

$623

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 9/11

2:15 pm-8:15 pm

1 stop40h 00m

Phuket City

Tue 9/23

9:45 pm-12:30 pm

1 stop28h 45m

$675

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 8/12

4:30 pm-9:00 am

2 stops26h 30m

Phuket City

Tue 8/19

9:55 pm-2:25 pm

2 stops30h 30m

$732

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 9/11

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Tue 9/23

11:25 pm-10:40 am

1 stop25h 15m

$756

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 9/18

2:15 pm-8:15 pm

1 stop40h 00m

$371

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 9/23

4:30 pm-9:35 am

2 stops27h 05m

$374

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 9/16

3:45 pm-10:10 pm

2 stops40h 25m

$429

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Fri 9/19

12:35 pm-10:10 pm

1 stop19h 35m

$474

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 8/3

3:53 pm-10:50 am

2 stops28h 57m

$477

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sat 10/18

1:30 am-6:30 pm

2 stops27h 00m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 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 July 25, 2025.

Booking 64 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 $1,101). Flying from Seattle to Ko Phi Phi in December is currently the most expensive (average of $1,759). 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 July 30, 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.

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 July 30, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and Asiana 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
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
467 reviews
EVA Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,338 reviews
EVA Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,980 reviews
EVA Air
8.4
Very good
1,222 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    To fly one-way, consider booking your trip with Asiana Airlines, which is currently one of the cheapest options available, starting at $371. Korean Air flights start at $429 while deals on Delta start at $474 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, September is the cheapest month in which you can book a flight from Seattle to Ko Phi Phi (average of $1,101). Flying from Seattle to Ko Phi Phi in December is currently the most expensive (average of $1,759). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$683Average$949FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$834Average$992FlexibilityNo cancel feeOn-time81%
DeltaCheapest$861Average$1,192FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$896Average$1,176FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$1,008Average$1,089FlexibilityNo cancel feeOn-time74%

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