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Cheap flights from Boston (BOS) to Koh Samui (USM) from $1,449

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — USM
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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Cheap flight deals from Boston to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 28, 2024.

Round-trip from

$1,045
From Boston Logan Intl to Ko Samui
Search Deals

What is the cheapest day to fly round-trip from Boston to Koh Samui?

Tuesday flights are generally found to be more expensive for flights from Boston to Koh Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.

When is the cheapest time to fly from Boston to Koh Samui (BOS - USM)?

A simple way to save on the total cost of your ticket is to fly from Boston to Koh Samui at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

Cheap Cathay Pacific flights from Boston to Koh Samui

Explore cheap flight options specifically provided by Cathay Pacific for the route between Boston and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Consider these cheap Cathay Pacific flights we've found departing from Boston to Koh Samui. Make sure to check back often as deals are often changing.
lun. 6/106:31 amBOS - USM
2 stops25h 04mCathay Pacific
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$1,981
dom. 6/91:45 amBOS - USM
1 stop29h 50mCathay Pacific
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$2,883
lun. 8/56:20 amBOS - USM
2 stops25h 15mCathay Pacific
lun. 8/1210:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$2,996
mar. 8/612:23 pmBOS - USM
2 stops43h 12mCathay Pacific
dom. 8/1110:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$3,012
mar. 8/65:45 pmBOS - USM
2 stops61h 50mCathay Pacific
dom. 8/1110:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/28$3,025
jue. 6/2010:23 amBOS - USM
2 stops45h 12mCathay Pacific
dom. 7/2110:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$3,059
lun. 8/510:22 amBOS - USM
2 stops45h 13mCathay Pacific
lun. 8/1210:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/28$3,198
lun. 8/51:45 amBOS - USM
1 stop29h 50mCathay Pacific
dom. 8/1110:55 amUSM - BOS
2 stops24h 26mCathay Pacific
Deal found 5/27$3,354
mié. 6/191:45 amBOS - USM
1 stop29h 50mCathay Pacific
dom. 7/2110:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$3,394

Cheap Singapore Airlines flights from Boston to Koh Samui

Explore cheap flight options specifically provided by Singapore Airlines for the route between Boston and Koh Samui. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Some of the best deals we've found on Singapore Airlines flights traveling from Boston to Koh Samui. Make sure to examine the flight information before completing your reservation.
mar. 8/62:39 pmBOS - USM
3 stops43h 36mSingapore Airlines
dom. 8/111:30 pmUSM - BOS
3 stops42h 01mSingapore Airlines
Deal found 5/27$3,366
lun. 8/59:15 pmBOS - USM
2 stops61h 00mSingapore Airlines
lun. 8/124:25 pmUSM - BOS
3 stops42h 01mSingapore Airlines
Deal found 5/27$3,368
lun. 8/511:30 amBOS - USM
3 stops43h 50mSingapore Airlines
lun. 8/121:30 pmUSM - BOS
3 stops42h 01mSingapore Airlines
Deal found 5/28$3,369
lun. 8/52:39 pmBOS - USM
3 stops40h 41mSingapore Airlines
lun. 8/124:25 pmUSM - BOS
3 stops39h 06mSingapore Airlines
Deal found 5/27$3,840
jue. 6/206:00 amBOS - USM
3 stops49h 20mSingapore Airlines
dom. 7/214:25 pmUSM - BOS
3 stops39h 06mSingapore Airlines
Deal found 5/27$4,734
jue. 6/206:00 amBOS - USM
3 stops49h 20mSingapore Airlines
dom. 7/214:25 pmUSM - BOS
3 stops39h 06mSingapore Airlines
Deal found 5/28$4,949
vie. 7/193:09 pmBOS - USM
3 stops40h 11mSingapore Airlines
sáb. 7/274:25 pmUSM - BOS
3 stops39h 06mSingapore Airlines
Deal found 5/28$19,513

Cheap Boston to Koh Samui flights in May & June 2024

Find cheap flight options from Boston to Koh Samui specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 2024.
Listed are some of the best fares we've found on flights departing from Boston to Koh Samui in 2024. Check back regularly for other flight deals.
lun. 6/109:50 pmBOS - USM
2 stops33h 10mTurkish Airlines
lun. 6/173:25 pmUSM - BOS
2 stops39h 30mTurkish Airlines
Deal found 5/27$1,735
jue. 6/209:50 pmBOS - USM
2 stops31h 45mMultiple Airlines
dom. 7/219:15 pmUSM - BOS
2 stops33h 40mMultiple Airlines
Deal found 5/27$1,763
jue. 6/209:50 pmBOS - USM
2 stops31h 45mMultiple Airlines
dom. 7/219:30 pmUSM - BOS
2 stops33h 25mMultiple Airlines
Deal found 5/28$1,821
lun. 6/104:00 pmBOS - USM
3 stops31h 10mMultiple Airlines
lun. 6/179:15 pmUSM - BOS
2 stops32h 10mMultiple Airlines
Deal found 5/27$1,862
lun. 6/104:00 pmBOS - USM
3 stops30h 20mMultiple Airlines
lun. 6/175:50 pmUSM - BOS
3 stops30h 58mMultiple Airlines
Deal found 5/27$1,886
lun. 6/106:31 amBOS - USM
2 stops25h 04mCathay Pacific
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$1,981
dom. 6/91:45 amBOS - USM
2 stops24h 00mMultiple Airlines
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mMultiple Airlines
Deal found 5/27$2,305
dom. 6/91:45 amBOS - USM
2 stops26h 25mMultiple Airlines
lun. 6/179:15 pmUSM - BOS
2 stops36h 05mMultiple Airlines
Deal found 5/27$2,392
dom. 6/91:45 amBOS - USM
1 stop29h 50mCathay Pacific
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$2,883

Boston to Koh Samui 2024 flight deals

Discover exclusive flight deals for travel between Boston and Koh Samui in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Listed are some of the best fares we've found on flights departing from Boston to Koh Samui in 2024. Check back regularly for other flight deals.
lun. 6/109:50 pmBOS - USM
2 stops33h 10mTurkish Airlines
lun. 6/173:25 pmUSM - BOS
2 stops39h 30mTurkish Airlines
Deal found 5/27$1,735
jue. 6/209:50 pmBOS - USM
2 stops31h 45mMultiple Airlines
dom. 7/219:15 pmUSM - BOS
2 stops33h 40mMultiple Airlines
Deal found 5/27$1,763
jue. 6/209:50 pmBOS - USM
2 stops31h 45mMultiple Airlines
dom. 7/219:30 pmUSM - BOS
2 stops33h 25mMultiple Airlines
Deal found 5/28$1,821
lun. 6/104:00 pmBOS - USM
3 stops31h 10mMultiple Airlines
lun. 6/179:15 pmUSM - BOS
2 stops32h 10mMultiple Airlines
Deal found 5/27$1,862
lun. 6/104:00 pmBOS - USM
3 stops30h 20mMultiple Airlines
lun. 6/175:50 pmUSM - BOS
3 stops30h 58mMultiple Airlines
Deal found 5/27$1,886
mar. 8/610:00 pmBOS - USM
2 stops25h 10mQatar Airways
dom. 8/119:10 pmUSM - BOS
2 stops28h 40mQatar Airways
Deal found 5/27$1,959
lun. 6/106:31 amBOS - USM
2 stops25h 04mCathay Pacific
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mCathay Pacific
Deal found 5/27$1,981
lun. 8/59:50 pmBOS - USM
2 stops33h 30mMultiple Airlines
lun. 8/129:15 pmUSM - BOS
2 stops33h 40mMultiple Airlines
Deal found 5/27$2,002
dom. 6/91:45 amBOS - USM
2 stops24h 00mMultiple Airlines
lun. 6/1710:55 amUSM - BOS
1 stop22h 25mMultiple Airlines
Deal found 5/27$2,305

Find flights from Boston to Koh Samui within your budget

Customize your flight search to find flights from Boston to Koh 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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,449 - $3,366

Route

Depart

Return

Price

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

lun. 8/5

2 stops49h 40m

Ko Samui

lun. 8/12

2 stops65h 25m

$1,449

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

mar. 8/6

2 stops36h 25m

Ko Samui

dom. 8/11

2 stops35h 25m

$1,718

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

lun. 6/10

2 stops33h 10m

Ko Samui

lun. 6/17

2 stops39h 30m

$1,735

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

jue. 6/20

2 stops31h 45m

Ko Samui

dom. 7/21

2 stops33h 40m

$1,763

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

jue. 6/20

2 stops31h 45m

Ko Samui

dom. 7/21

2 stops33h 25m

$1,821

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

lun. 6/10

3 stops31h 10m

Ko Samui

lun. 6/17

2 stops32h 10m

$1,862

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

mar. 8/6

2 stops25h 10m

Ko Samui

dom. 8/11

2 stops28h 40m

$1,959

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

lun. 6/10

2 stops25h 04m

Ko Samui

lun. 6/17

1 stop22h 25m

$1,981

Boston Logan IntlKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

mar. 8/6

3 stops43h 36m

Ko Samui

dom. 8/11

3 stops42h 01m

$3,366

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time to fly from Boston to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from Boston to Koh Samui. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Koh Samui flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Boston to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui 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.

Temperature and rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature and rainfall totals by month.

USM

Temperature

80.6 - 84.2 °F

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. 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 Koh Samui. Reviews last updated mayo 28, 2024.
To help decide which airline to fly from Boston to Koh Samui, see what other customers have to say about Cathay Pacific, Singapore Airlines and Qatar Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Japan Airlines
8.3
Very good
1,472 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Singapore Airlines
8.2
Very good
1,424 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Cathay Pacific
7.8
Good
1,056 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Qatar Airways
7.7
Good
4,342 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Turkish Airlines
7.4
Good
3,715 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Crew

8.7

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Entertainment

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Boston to Koh Samui for under $1,500 on Cheapflights?

    Yes, there are multiple flights from Boston to Koh Samui for under $1,500. The cheapest flight booked recently is on Multiple Airlines for just $1,449, but on average you can expect to pay $2,348.

  • What are the cheapest airlines flying from Boston to Koh Samui round-trip?

    Cheapflights users have booked flights from Boston to Koh Samui round-trip from $1,735. Other airlines that can offer you cheap pricing are Qatar Airways, from $1,959, and Cathay Pacific, from $1,981.

  • What does BOS to USM mean?

    BOS stands for Boston Logan Intl Airport, while USM stands for Ko Samui Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Boston to Koh Samui that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Koh Samui flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Koh Samui with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Koh Samui flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Koh Samui that include hotel bookings?

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

  • How can I find direct flights from Boston to Koh Samui?

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

  • Can I find deals for business class flights from Boston to Koh Samui?

    Yes. Cheapflights offers flight deals from Boston to Koh 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.

  • Can I find deals for flights from Boston to Koh Samui that allow pets onboard?

    Many airlines flying from Boston to Koh Samui offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Koh Samui?

    Yes, you can often find last-minute deals on Boston to Koh Samui flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Koh Samui flight deals updated?

    The Boston to Koh Samui flight deals you see on this page were last updated on 5/28.

See more FAQs

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Top 2 airlines flying from Boston to Koh Samui

Discover the top 2 airlines that operate flights from Boston to Koh 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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$968Average$1,043FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$1,392Average$1,581FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
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Search flights from Boston to Koh Samui by cabin class

Find flights from Boston to Koh Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Koh Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to Koh Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Boston to Koh Samui?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Boston to Koh Samui.

Can Cheapflights find flights from Boston to Koh Samui with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Koh Samui flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston to Koh Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Koh Samui from Boston today and book when prices fit your budget.

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