$650+ Cheap flights from Massachusetts to Ko Samui (USM)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — USM
Nov 29 — Dec 61
1 adult, Economy
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Find cheap flights from Massachusetts to Ko Samui 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.Cheap 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 October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $961 (oojo) |
One-way from | $650 (Kiwi.com) |
Find flight deals from Massachusetts to Ko Samui
Cheapest flights from Massachusetts to Ko SamuiExplore 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 October 30, 2025.
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 October 30, 2025.
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:40 pmBOS - USM
2 stops29h 00mEtihad Airways
Thu 12/48:20 pmUSM - BOS
2 stops53h 50mEtihad Airways
Deal found 10/28![Etihad Airways logo]()
$1,000
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:05 pmBOS - USM
2 stops32h 05mMultiple Airlines
Thu 12/43:50 pmUSM - BOS
3 stops34h 20mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$1,081
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/303:40 pmBOS - USM
2 stops29h 00mEtihad Airways
Thu 12/47:35 pmUSM - BOS
2 stops30h 35mEtihad Airways
Deal found 10/27![Etihad Airways logo]()
$1,331
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:30 amBOS - USM
1 stop31h 05mCathay Pacific
Thu 12/411:40 amUSM - BOS
1 stop22h 20mCathay Pacific
Deal found 10/27![Cathay Pacific logo]()
$1,476
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:30 amBOS - USM
1 stop31h 05mCathay Pacific
Thu 12/411:40 amUSM - BOS
1 stop22h 20mCathay Pacific
Deal found 10/28![Cathay Pacific logo]()
$1,583
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:40 pmBOS - USM
2 stops27h 50mEtihad Airways
Tue 12/308:20 pmUSM - BOS
2 stops29h 50mEtihad Airways
Deal found 10/30![Etihad Airways logo]()
$2,251
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 October 30, 2025.
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
Thu 11/27
3:40 pm-8:40 am
2 stops29h 00m
Ko Samui
Thu 12/4
8:20 pm-2:10 pm
2 stops53h 50m
$1,000
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Thu 11/27
12:05 pm-8:10 am
2 stops32h 05m
Ko Samui
Thu 12/4
3:50 pm-2:10 pm
3 stops34h 20m
$1,081
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Sat 1/10
3:40 pm-8:05 am
2 stops28h 25m
Ko Samui
Mon 1/19
8:30 pm-2:10 pm
2 stops53h 40m
$1,102
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Fri 1/9
12:30 am-7:35 am
2 stops43h 05m
Ko Samui
Mon 1/19
8:20 pm-10:00 pm
2 stops61h 40m
$1,186
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Sun 11/30
3:40 pm-8:40 am
2 stops29h 00m
Ko Samui
Thu 12/4
7:35 pm-2:10 pm
2 stops30h 35m
$1,331
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Sat 11/29
12:30 am-7:35 pm
1 stop31h 05m
Ko Samui
Thu 12/4
11:40 am-10:00 pm
1 stop22h 20m
$1,476
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Tue 11/4
8:00 pm-5:30 pm
3 stops57h 30m
$650
BostonKo Samui
BOS - USM
BOSUSM
Boston Logan Intl
Tue 11/4
12:05 pm-8:10 am
2 stops32h 05m
$652
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 October 30, 2025.
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.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Tao
Ko Pha Ngan
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Alternative routes for Massachusetts to Ko Samui
See prices for flight routes from nearby airports that may be better suited for you.
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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,778 | Average$1,952 | FlexibilityNo cancel fee | On-time68% |