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Ko Samui

$1,083+ Cheap flights from Massachusetts to Ko Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — USM
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Massachusetts to Ko Samui

Cheapest flights from Massachusetts to Ko Samui
Explore the most affordable flight options available from Massachusetts to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This oojo deal was found by Cheapflights users on 2/2. 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 5/84:25 pm
BOS
-
USM
2 stops27h 45m
Multiple Airlines
Sun 5/317:10 pm
USM
-
BOS
2 stops30h 30m
Multiple Airlines
Deal found 2/2$1,083
This oojo deal was found by Cheapflights users on 2/4. 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.
Sat 5/94:25 pm
BOS
-
USM
2 stops32h 30m
Multiple Airlines
Fri 5/229:00 pm
USM
-
BOS
2 stops28h 40m
Multiple Airlines
Deal found 2/4$1,104
This oojo deal was found by Cheapflights users on 2/3. 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 3/23:40 pm
BOS
-
USM
2 stops28h 05m
Etihad Airways
Mon 3/98:50 am
USM
-
BOS
2 stops65h 20m
Etihad Airways
Deal found 2/3$1,133
This oojo deal was found by Cheapflights users on 2/2. 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 3/28:00 pm
BOS
-
USM
2 stops34h 15m
Multiple Airlines
Mon 3/97:10 pm
USM
-
BOS
2 stops34h 55m
Multiple Airlines
Deal found 2/2$1,181
This Ovago deal was found by Cheapflights users on 2/3. 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.
Fri 5/84:25 pm
BOS
-
USM
2 stops29h 10m
Etihad Airways
Sun 5/317:15 pm
USM
-
BOS
2 stops30h 25m
Etihad Airways
Deal found 2/3$1,196
This Trip.com deal was found by Cheapflights users on 2/3. 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.
Mon 4/64:25 pm
BOS
-
USM
2 stops35h 20m
Multiple Airlines
Mon 4/136:00 am
USM
-
BOS
2 stops43h 40m
Multiple Airlines
Deal found 2/3$1,201
This FlightHub deal was found by Cheapflights users on 2/4. 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 11/19:05 pm
BOS
-
USM
2 stops47h 05m
Qatar Airways
Sat 11/146:15 pm
USM
-
BOS
2 stops32h 05m
Qatar Airways
Deal found 2/4$1,214
This Justfly.com deal was found by Cheapflights users on 2/1. 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.
Wed 4/89:50 pm
BOS
-
USM
2 stops57h 25m
Turkish Airlines
Wed 4/151:30 pm
USM
-
BOS
2 stops41h 25m
Turkish Airlines
Deal found 2/1$1,223

Find flight deals from Massachusetts to Ko Samui

Keep the following information in mind while searching for Massachusetts to Ko Samui flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,083
(oojo)
Provider with most accurate pricing for Boston Logan Intl-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Ko Samui flights.
Search Deals
From Massachusetts to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Ko Samui 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 February 4, 2026.
Use the filters below to find and compare flights from Massachusetts to Ko Samui that are best for you.

Fly from

Massachusetts

Fly to

Ko Samui

Route

Depart

Return

Price

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Fri 5/8

4:25 pm-7:10 am

2 stops27h 45m

Ko Samui

Sun 5/31

7:10 pm-2:40 pm

2 stops30h 30m

$1,083

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sat 5/9

4:25 pm-10:30 am

2 stops31h 05m

Ko Samui

Fri 5/22

7:10 pm-2:40 pm

2 stops30h 30m

$1,104

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Mon 3/2

3:40 pm-7:45 am

2 stops28h 05m

Ko Samui

Mon 3/9

8:50 am-3:10 pm

2 stops65h 20m

$1,133

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Mon 3/2

8:00 pm-6:15 pm

2 stops34h 15m

Ko Samui

Mon 3/9

7:10 pm-7:05 pm

2 stops34h 55m

$1,181

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Fri 5/8

4:25 pm-8:35 am

2 stops29h 10m

Ko Samui

Sun 5/31

7:15 pm-2:40 pm

2 stops30h 25m

$1,196

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Mon 4/6

4:25 pm-2:45 pm

2 stops35h 20m

Ko Samui

Mon 4/13

6:00 am-2:40 pm

2 stops43h 40m

$1,201

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Wed 4/8

9:50 pm-6:15 pm

2 stops57h 25m

Ko Samui

Wed 4/15

1:30 pm-7:55 pm

2 stops41h 25m

$1,223

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Wed 4/8

4:25 pm-6:15 pm

2 stops38h 50m

Ko Samui

Wed 4/15

8:55 am-2:40 pm

2 stops64h 45m

$1,341

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sat 6/13

9:50 pm-8:35 am

2 stops23h 45m

Ko Samui

Tue 6/30

8:50 pm-7:55 pm

2 stops34h 05m

$1,516

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 2/12

1:25 pm-8:00 am

3 stops54h 35m

$3,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 11 results
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Best time to book a flight from Massachusetts to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Massachusetts 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 Massachusetts to Ko Samui

What is the cheapest time of day to fly from MA to USM?

Find hourly flight availability from Massachusetts to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.

When flying from Massachusetts to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 16% versus a flight at noon.

What is the cheapest day to fly from Massachusetts to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Ko Samui. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Massachusetts to Ko Samui flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Ko Samui. 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 into for flights to Ko Samui from Massachusetts?

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui from Massachusetts. Ko Samui is conveniently located just 2.1 mi from Ko Samui’s city center.

  • How long is the flight from Massachusetts to Ko Samui?

    Departing from Massachusetts to Ko Samui will take you 28h 05m. The distance from Massachusetts to Ko Samui is about 8799 mi.

  • Can I find deals for flights from Massachusetts to Ko Samui that include hotel bookings?

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

  • How can I find direct flights from Massachusetts to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Ko Samui.

  • Can I find deals for business class flights from Massachusetts to Ko Samui?

    Yes. Cheapflights offers flight deals from Massachusetts to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Alternative routes for Massachusetts to Ko Samui

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Top airline flying from Massachusetts to Ko Samui

Discover the top airline that operate flights from Massachusetts to Ko Samui. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,778Average$1,965FlexibilityNo cancel feeOn-time68%

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