Ko Phi Phi

$396+ Cheap flights from Boston (BOS) 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — HKT
Jan 17 — Jan 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Ko Phi Phi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Ko Phi Phi are usually found in September or October, booked 54 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Boston to Ko Phi Phi

Cheapest flights from Boston to Ko Phi Phi
Explore the most affordable flight options available from Boston to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:40 pmBOS - HKT
1 stop38h 15mEtihad Airways
Mon 3/233:10 amHKT - BOS
1 stop23h 00mEtihad Airways
Deal found 12/17$1,085
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:30 amBOS - HKT
1 stop22h 50mCathay Pacific
Tue 3/2412:20 pmHKT - BOS
1 stop21h 40mCathay Pacific
Deal found 12/16$1,176
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 pmBOS - HKT
2 stops39h 35mDelta
Tue 3/2411:40 pmHKT - BOS
1 stop21h 00mDelta
Deal found 12/16$1,276
This Korean Air deal was found by Cheapflights users on 12/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:15 pmBOS - HKT
2 stops38h 55mMultiple Airlines
Tue 3/2411:40 pmHKT - BOS
1 stop21h 00mMultiple Airlines
Deal found 12/15$1,344
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:40 pmBOS - HKT
2 stops54h 35mMultiple Airlines
Thu 1/1510:05 pmHKT - BOS
1 stop30h 15mMultiple Airlines
Deal found 12/15$1,617
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 pmBOS - HKT
2 stops37h 45mIndiGo
Tue 1/2011:05 amHKT - BOS
2 stops43h 00mIndiGo
Deal found 12/17$1,620
This oojo deal was found by Cheapflights users on 12/15. 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.
Mon 12/293:40 pmBOS - HKT
1 stop19h 55mEtihad Airways
Tue 1/612:25 amHKT - BOS
1 stop25h 45mEtihad Airways
Deal found 12/15$1,729
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:05 amBOS - HKT
2 stops24h 50mAmerican Airlines
Sun 12/2112:50 amHKT - BOS
1 stop25h 30mAmerican Airlines
Deal found 12/14$1,797
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:45 pmBOS - HKT
1 stop34h 10mAmerican Airlines
Wed 12/248:30 pmHKT - BOS
1 stop29h 50mAmerican Airlines
Deal found 12/16$1,805

Find flight deals from Boston to Ko Phi Phi

Keep the following information in mind while searching for Boston to Ko Phi Phi flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$754
(Ovago)

One-way from

$396
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$1,827
Provider with most accurate pricing for Boston Logan Intl-Phuket City flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Phuket City flights.
From Boston Logan Intl to Ko Phi Phi
One-way flight from Boston Logan Intl to Ko Phi Phi
Highest demand for flights based on searches. 5% potential increase in price ($76 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 December 18, 2025.
Use the filters below to find and compare flights from Boston to Ko Phi Phi that are best for you.

Fly from

Boston

Fly to

Ko Phi Phi

Route

Depart

Return

Price

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Mon 3/30

1:40 am-5:20 pm

1 stop28h 40m

Phuket City

Thu 5/7

11:50 am-11:00 pm

1 stop22h 10m

$786

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Mon 3/30

1:40 am-10:50 am

1 stop22h 10m

Phuket City

Fri 5/8

6:20 pm-11:00 pm

1 stop39h 40m

$836

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Thu 4/16

7:05 am-10:10 pm

2 stops28h 05m

Phuket City

Mon 4/27

11:25 pm-8:31 pm

2 stops32h 06m

$894

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Tue 4/7

7:10 am-10:10 pm

2 stops28h 00m

Phuket City

Tue 4/14

11:25 pm-4:37 pm

2 stops28h 12m

$894

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Tue 4/14

7:05 am-10:10 pm

2 stops28h 05m

Phuket City

Tue 4/21

11:25 pm-10:27 pm

2 stops34h 02m

$894

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Sun 2/1

6:45 pm-10:10 pm

2 stops39h 25m

Phuket City

Mon 2/9

11:40 pm-8:40 am

1 stop21h 00m

$895

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Tue 1/13

5:20 pm-10:10 pm

2 stops40h 50m

Phuket City

Wed 2/4

11:40 pm-8:40 am

1 stop21h 00m

$895

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Sun 4/19

4:10 pm-10:10 pm

2 stops43h 00m

Phuket City

Sun 4/26

11:25 pm-5:45 pm

2 stops29h 20m

$899

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Tue 1/6

3:40 pm-12:00 pm

1 stop32h 20m

$416

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Thu 4/2

4:30 pm-11:40 pm

1 stop20h 10m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 16 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from Boston 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 Boston to Ko Phi Phi

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Ko Phi Phi. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Ko Phi Phi, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Ko Phi Phi (average of $660). Flying from Boston to Ko Phi Phi in December is currently the most expensive (average of $1,203). 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 BOS to K33?

Find hourly flight availability from Boston 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 December 18, 2025.

One of the essential ways to save on airfare from Boston to Ko Phi Phi is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

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 December 18, 2025.
Peruse reviews from past customers who have flown with Delta, Cathay Pacific, and Qatar Airways from Boston to Ko Phi Phi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Ko Phi Phi?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Ko Phi Phi from Boston. Booking flights from Logan Intl (BOS) to Ko Phi Phi should be relatively easy as there are 0 daily outbound flights to Ko Phi Phi from 8 different airlines.

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

    For as low as $894, Cathay Pacific can have you in Ko Phi Phi from Boston in 28h 05m. The distance between Boston and Ko Phi Phi is about 8878 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $398 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Qatar Airways and Cathay Pacific, with prices starting from $457 and $463, respectively.

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

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

  • How can I find direct flights from Boston 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 Boston to Ko Phi Phi.

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Ko Phi Phi?

    Currently, October is the cheapest month in which you can book a flight from Boston to Ko Phi Phi (average of $660). Flying from Boston to Ko Phi Phi in December is currently the most expensive (average of $1,203). 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 8 airlines flying from Boston to Ko Phi Phi

Discover the top 8 airlines that operate flights from Boston 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$648Average$1,148FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$792Average$1,070FlexibilityNo cancel feeOn-time72%
Etihad AirwaysCheapest$878Average$1,074FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$893Average$1,070FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$968Average$1,352FlexibilityNo cancel feeOn-time81%
IndiGoCheapest$1,080Average$1,277FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,110Average$1,318FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$1,112Average$1,827FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.