Which airline has the best punctuality record on Boston to Ko Samui flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Boston Logan Intl to Ko Samui?

Cathay Pacific is the most popular carrier operating from Boston Logan Intl to Ko Samui

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from Boston to Ko Samui delayed?

Historically, on average around 16% of flights between Boston and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

What is the most punctual flight time for Boston to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Boston Logan Intl Airport to Ko Samui Airport?

Prices for flights from Boston Logan Intl Airport to Ko Samui Airport are updated daily.

How old do you have to be to fly from Boston Logan Intl Airport to Ko Samui Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$668 Cheap Flights from Boston to Ko Samui in 2026/27

Find the cheapest flights from Boston to Ko Samui

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 9:05 amBOS Boston Logan Intl-USM Ko Samui

29h 40m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

9:40 am - 3:10 pmUSM Ko Samui-BOS Boston Logan Intl

64h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

$1,164Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

12:30 am - 2:55 pmBOS Boston Logan Intl-USM Ko Samui

26h 25m2 stops Hong Kong Intl Bangkok Suvarnabhumi

7:55 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

26h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,178Multiple Airlines

Tue, Feb 9 - Wed, Feb 24

12:30 am - 3:20 pmBOS Boston Logan Intl-USM Ko Samui

26h 50m2 stops Hong Kong Intl Bangkok Suvarnabhumi

8:30 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

25h 30m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,181Multiple Airlines

Sun, Nov 15 - Thu, Dec 10

12:30 am - 7:35 pmBOS Boston Logan Intl-USM Ko Samui

31h 05m1 stop Hong Kong Intl

11:40 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

22h 20m1 stop Hong Kong Intl

$1,183Cathay Pacific

Sun, Nov 15 - Thu, Dec 10

12:30 am - 7:35 pmBOS Boston Logan Intl-USM Ko Samui

31h 05m1 stop Hong Kong Intl

8:30 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

25h 30m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$1,183Multiple Airlines

Sun, Nov 15 - Thu, Dec 10

1:30 am - 7:35 pmBOS Boston Logan Intl-USM Ko Samui

31h 05m1 stop Hong Kong Intl

11:40 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

22h 20m1 stop Hong Kong Intl

$1,214Cathay Pacific

Tue, Oct 27 - Tue, Nov 10

1:30 am - 7:35 pmBOS Boston Logan Intl-USM Ko Samui

31h 05m1 stop Hong Kong Intl

11:40 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

22h 20m1 stop Hong Kong Intl

$1,215Cathay Pacific

Tue, Oct 27 - Tue, Nov 10

1:45 am - 7:40 pmBOS Boston Logan Intl-USM Ko Samui

30h 55m1 stop Hong Kong Intl

11:40 am - 11:00 pmUSM Ko Samui-BOS Boston Logan Intl

22h 20m1 stop Hong Kong Intl

$1,229Cathay Pacific

Sun, Oct 18 - Mon, Oct 26

1:30 am - 7:10 amBOS Boston Logan Intl-USM Ko Samui

42h 40m2 stops Hong Kong Intl Bangkok Suvarnabhumi

11:40 am - 10:00 pmUSM Ko Samui-BOS Boston Logan Intl

22h 20m1 stop Hong Kong Intl

$1,263Cathay Pacific

Tue, Oct 27 - Tue, Nov 10

10:00 pm - 9:20 amBOS Boston Logan Intl-USM Ko Samui

24h 20m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

9:10 pm - 2:55 pmUSM Ko Samui-BOS Boston Logan Intl

52h 45m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

$1,264Qatar Airways

Mon, Oct 19 - Mon, Oct 26

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Cathay Pacific flights from Boston to Ko Samui

Our best Cathay Pacific deals on Boston to Ko Samui flight tickets

Cathay Pacific

Oct 27

BOS1:30 amBoston Logan Intl

31h 05m

1 stop

USM7:35 pmKo Samui

Nov 10

USM11:40 amKo Samui

22h 20m

1 stop

BOS10:00 pmBoston Logan Intl

$1,214

Cathay Pacific

Oct 27

BOS1:30 amBoston Logan Intl

31h 05m

1 stop

USM7:35 pmKo Samui

Nov 10

USM11:40 amKo Samui

22h 20m

1 stop

BOS10:00 pmBoston Logan Intl

$1,215

Cathay Pacific

Oct 18

BOS1:45 amBoston Logan Intl

30h 55m

1 stop

USM7:40 pmKo Samui

Oct 26

USM11:40 amKo Samui

22h 20m

1 stop

BOS11:00 pmBoston Logan Intl

$1,229

Turkish Airlines flights from Boston to Ko Samui

Our best Turkish Airlines deals on Boston to Ko Samui flight tickets

Turkish Airlines

Nov 1

BOS9:00 pmBoston Logan Intl

22h 45m

2 stops

USM7:45 amKo Samui

Nov 14

USM6:40 pmKo Samui

35h 25m

2 stops

BOS6:05 pmBoston Logan Intl

$1,272

Turkish Airlines

Nov 5

BOS9:00 pmBoston Logan Intl

22h 10m

2 stops

USM7:10 amKo Samui

Nov 9

USM8:20 pmKo Samui

33h 45m

2 stops

BOS6:05 pmBoston Logan Intl

$1,282

Turkish Airlines

Nov 1

BOS9:00 pmBoston Logan Intl

22h 45m

2 stops

USM7:45 amKo Samui

Nov 14

USM6:40 pmKo Samui

35h 25m

2 stops

BOS6:05 pmBoston Logan Intl

$1,283

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Fri 10/23

4:25 pm-9:05 am

2 stops29h 40m

Ko Samui

Fri 10/30

9:40 am-3:10 pm

2 stops64h 30m

$1,164

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Tue 2/9

12:30 am-2:55 pm

2 stops26h 25m

Ko Samui

Wed 2/24

7:55 am-10:00 pm

2 stops26h 05m

$1,178

Quickest round-trip

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Sun 11/15

12:30 am-3:20 pm

2 stops26h 50m

Ko Samui

Thu 12/10

8:30 am-10:00 pm

2 stops25h 30m

$1,181

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Sun 11/15

12:30 am-7:35 pm

1 stop31h 05m

Ko Samui

Thu 12/10

11:40 am-10:00 pm

1 stop22h 20m

$1,183

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Sun 11/15

12:30 am-7:35 pm

1 stop31h 05m

Ko Samui

Thu 12/10

8:30 am-10:00 pm

2 stops25h 30m

$1,183

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Tue 10/27

1:30 am-7:35 pm

1 stop31h 05m

Ko Samui

Tue 11/10

11:40 am-10:00 pm

1 stop22h 20m

$1,214

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Tue 10/27

1:30 am-7:35 pm

1 stop31h 05m

Ko Samui

Tue 11/10

11:40 am-10:00 pm

1 stop22h 20m

$1,215

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Sun 10/18

1:45 am-7:40 pm

1 stop30h 55m

Ko Samui

Mon 10/26

11:40 am-11:00 pm

1 stop22h 20m

$1,229

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Tue 10/27

1:30 am-7:10 am

2 stops42h 40m

Ko Samui

Tue 11/10

11:40 am-10:00 pm

1 stop22h 20m

$1,263

BostonKo Samui

BOS Boston Logan Intl - USM Ko Samui

BOSUSM

Boston Logan Intl

Mon 10/19

10:00 pm-9:20 am

2 stops24h 20m

Ko Samui

Mon 10/26

9:10 pm-2:55 pm

2 stops52h 45m

$1,264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Can stopping save me money on Boston to Ko Samui flights?

You could potentially save up to 47% on your flight if you consider stops on a Boston to Ko Samui flight.

When to book flights from Boston to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Ko Samui (BOS to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Ko Samui

Best Price Found	$668
Fastest flight time	22h 10m
Direct flights	None

The best one-way flight to Ko Samui from Boston in the past 72 hours is $668. The best round-trip flight deal from Boston to Ko Samui found on momondo in the last 72 hours is $1,164.

The fastest flight from Boston to Ko Samui takes 22h 10m

There are no direct flights from Boston to Ko Samui. There are no popular flight routes from Boston to Ko Samui.

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Frequently asked questions about flying from Boston to Ko Samui

How far is Boston Logan Intl to Ko Samui by plane?
The distance between Boston Logan Intl and Ko Samui is about 8802.1 mi. By plane, this route typically takes 22h 10m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Ko Samui Airport?
Prices for flights from Boston Logan Intl Airport to Ko Samui Airport are updated daily.
How old do you have to be to fly from Boston Logan Intl Airport to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Ko Samui?

Finding the right flight to Ko Samui from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

Can I find flights from Boston to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Ko Samui right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ko Samui from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ko Samui trip

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Cheap flights from Boston to Ko Samui from $668

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Ko Samui departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cathay Pacific flights from Boston to Ko Samui

Our best Cathay Pacific deals on Boston to Ko Samui flight tickets

Turkish Airlines flights from Boston to Ko Samui

Our best Turkish Airlines deals on Boston to Ko Samui flight tickets

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How to get the cheapest flight ticket from Boston to Ko Samui

Can stopping save me money on Boston to Ko Samui flights?

What is the cheapest airline that flies from Boston Logan Intl to Ko Samui?

How often are flights from Boston to Ko Samui delayed?

What is the most punctual flight time for Boston to Ko Samui flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Boston to Ko Samui flights?

When to book flights from Boston to Ko Samui

Cheap Boston to Ko Samui (BOS to USM) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Ko Samui

Traveling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand

Cabin classes currently available on flights to Ko Samui

List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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