How often are flights from Boston to Ko Samui delayed?

Historically, on average around 17% 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 117 minutes.

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

Etihad Airways is the most popular carrier operating from Boston Logan Intl to Ko Samui

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

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

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 12% of their flights experiencing any sort of delay.

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.

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 many operators does momondo search for flights from Boston Logan Intl Airport to Ko Samui Airport?

The number of operators available for flights from Boston Logan Intl Airport to Ko Samui Airport is 1 as of June 2026.

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.

$664 Cheap Flights from Boston to Ko Samui in 2026

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 - 7:10 am

BOS

USM

27h 45m

2 stops

2:30 pm - 2:40 pm

USM

BOS

35h 10m

2 stops

$1,009Multiple Airlines

Thu, Sep 3 - Sat, Sep 12

3:40 pm - 7:10 am

BOS

USM

27h 30m

2 stops

5:40 pm - 2:10 pm

USM

BOS

32h 30m

2 stops

$1,148Multiple Airlines

Sun, Nov 1 - Sat, Nov 14

3:40 pm - 7:45 am

BOS

USM

28h 05m

2 stops

3:50 pm - 2:10 pm

USM

BOS

34h 20m

2 stops

$1,154Multiple Airlines

Sun, Nov 1 - Sat, Nov 14

4:25 pm - 8:25 am

BOS

USM

29h 00m

2 stops

8:35 pm - 2:40 pm

USM

BOS

29h 05m

2 stops

$1,247Etihad Airways

Thu, Sep 17 - Mon, Sep 21

9:50 pm - 6:15 pm

BOS

USM

33h 25m

2 stops

8:35 pm - 7:55 pm

USM

BOS

34h 20m

2 stops

$1,395Turkish Airlines

Sat, Oct 17 - Wed, Oct 21

11:05 pm - 6:00 pm

BOS

USM

31h 55m

2 stops

5:55 pm - 2:10 pm

USM

BOS

31h 15m

2 stops

$1,424Emirates

Sat, Oct 17 - Wed, Oct 21

6:05 am - 8:10 am

BOS

USM

38h 05m

3 stops

9:30 pm - 2:20 pm

USM

BOS

28h 50m

2 stops

$1,481Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

6:00 am - 7:30 am

BOS

USM

38h 30m

3 stops

9:00 pm - 3:15 pm

USM

BOS

29h 15m

2 stops

$1,526Multiple Airlines

Thu, Sep 3 - Sat, Sep 12

1:45 am - 7:40 pm

BOS

USM

30h 55m

1 stop

11:55 am - 11:05 pm

USM

BOS

22h 10m

1 stop

$1,681Cathay Pacific

Wed, Sep 16 - Mon, Sep 21

6:59 am - 7:40 pm

BOS

USM

49h 41m

2 stops

11:55 am - 11:05 pm

USM

BOS

22h 10m

1 stop

$1,683Cathay Pacific

Thu, Sep 3 - Sat, Sep 12

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Qatar Airways flights from Boston to Ko Samui

Our best Qatar Airways deals on Boston to Ko Samui flight tickets

Qatar Airways

Aug 4

BOS5:46 pmBoston Logan Intl

29h 44m

3 stops

USM10:30 amKo Samui

Aug 11

USM7:50 pmKo Samui

30h 25m

2 stops

BOS3:15 pmBoston Logan Intl

$1,877

Qatar Airways

Jul 3

BOS10:00 pmBoston Logan Intl

24h 20m

2 stops

USM9:20 amKo Samui

Jul 16

USM8:50 pmKo Samui

29h 25m

2 stops

BOS3:15 pmBoston Logan Intl

$5,172

Qatar Airways

Jul 1

BOS10:00 pmBoston Logan Intl

26h 15m

2 stops

USM11:15 amKo Samui

Jul 13

USM8:50 pmKo Samui

29h 25m

2 stops

BOS3:15 pmBoston Logan Intl

$5,175

Cathay Pacific flights from Boston to Ko Samui

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

Cathay Pacific

Sep 16

BOS1:45 amBoston Logan Intl

30h 55m

1 stop

USM7:40 pmKo Samui

Sep 21

USM11:55 amKo Samui

22h 10m

1 stop

BOS11:05 pmBoston Logan Intl

$1,681

Cathay Pacific

Oct 16

BOS1:45 amBoston Logan Intl

26h 00m

2 stops

USM2:45 pmKo Samui

Oct 21

USM11:55 amKo Samui

22h 10m

1 stop

BOS11:05 pmBoston Logan Intl

$1,776

Cathay Pacific

Aug 4

BOS12:01 pmBoston Logan Intl

44h 39m

2 stops

USM7:40 pmKo Samui

Aug 11

USM11:55 amKo Samui

22h 10m

1 stop

BOS11:05 pmBoston Logan Intl

$2,497

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 9/3

4:25 pm-7:10 am

2 stops27h 45m

Ko Samui

Sat 9/12

2:30 pm-2:40 pm

2 stops35h 10m

$1,009

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sun 11/1

3:40 pm-7:10 am

2 stops27h 30m

Ko Samui

Sat 11/14

5:40 pm-2:10 pm

2 stops32h 30m

$1,148

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sun 11/1

3:40 pm-7:45 am

2 stops28h 05m

Ko Samui

Sat 11/14

3:50 pm-2:10 pm

2 stops34h 20m

$1,154

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 9/17

4:25 pm-8:25 am

2 stops29h 00m

Ko Samui

Mon 9/21

8:35 pm-2:40 pm

2 stops29h 05m

$1,247

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sat 10/17

9:50 pm-6:15 pm

2 stops33h 25m

Ko Samui

Wed 10/21

8:35 pm-7:55 pm

2 stops34h 20m

$1,395

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sat 10/17

11:05 pm-6:00 pm

2 stops31h 55m

Ko Samui

Wed 10/21

5:55 pm-2:10 pm

2 stops31h 15m

$1,424

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Tue 11/3

6:05 am-8:10 am

3 stops38h 05m

Ko Samui

Tue 11/17

9:30 pm-2:20 pm

2 stops28h 50m

$1,481

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 9/3

6:00 am-7:30 am

3 stops38h 30m

Ko Samui

Sat 9/12

9:00 pm-3:15 pm

2 stops29h 15m

$1,526

Quickest round-trip

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Wed 9/16

1:45 am-7:40 pm

1 stop30h 55m

Ko Samui

Mon 9/21

11:55 am-11:05 pm

1 stop22h 10m

$1,681

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 9/3

6:59 am-7:40 pm

2 stops49h 41m

Ko Samui

Sat 9/12

11:55 am-11:05 pm

1 stop22h 10m

$1,683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

Fastest flight time	28h 05m
Direct flights	None

The fastest flight from Boston to Ko Samui takes 28h 05m

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

Search flight deals

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 28h 05m.
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 many operators does momondo search for flights from Boston Logan Intl Airport to Ko Samui Airport?
The number of operators available for flights from Boston Logan Intl Airport to Ko Samui Airport is 1 as of June 2026.
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.
What is the most popular airline from Boston to Ko Samui?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Ko Samui is Qatar Airways (100% of total bookings).

Best airlines flying from Boston to Ko Samui

Compare and see reviews for airlines that fly from Boston to Ko Samui with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,813	Free Cancellation	Rating 7.3 3,727 reviews		Search Qatar Airways flights

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 $664

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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Big names and deals

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Filter for what you want

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Qatar Airways flights from Boston to Ko Samui

Our best Qatar Airways deals on Boston to Ko Samui flight tickets

Cathay Pacific flights from Boston to Ko Samui

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

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See travel insights to Ko Samui from

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Ko Samui

Best airlines flying from Boston to Ko Samui

Compare and see reviews for airlines that fly from Boston to Ko Samui with momondo

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

Fly your favorite airline to Ko Samui

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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