$481 Flights from Boston Logan International (BOS) to Samui International (USM)

Compare Boston Logan International to Samui International flight deals

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Flight deals from Boston Logan International to Samui International

Looking for a cheap last-minute deal or the best round-trip flight from Boston Logan International to Samui International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Boston Logan International to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Samui International flights are currently cheapest in March.

Boston Logan International to Samui International: Alternative routes

Compare routes from Boston Logan International to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Boston to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found$481
Cheapest month to flyMarch

Finding cheap flights from Boston Logan International to Samui International: Frequently asked questions

The best price we found for a round-trip flight from Boston Logan International to Samui International is $1,045. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to Samui International. But we found flights with one or more stops from $1,045.
There are no flights flying from Boston Logan International to Samui International, as of January 2026.
The cheapest month to fly from Boston Logan International to Samui International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Samui International Airport on Saturday, October 17, 2026.
No airlines currently offer direct flights between Boston Logan International Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Etihad Airways offers the cheapest flight tickets to Samui International.

Traveling from Logan International Airport (BOS) to Koh Samui Airport (USM): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to catch your BOS to USM flight.

  • During popular months like August, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.

  • Explore another city along the way or simply break up your flight with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from Logan International Airport to Koh Samui Airport. Many travelers pass through Hong Kong International Airport when flying between BOS and USM.

How to find the cheapest flights from Logan International Airport (BOS) to Koh Samui Airport (USM)

  • $481 is currently the lowest price for a one-way Logan International Airport to Koh Samui Airport flight. A return flight starts at $1,045. These fares can change depending on availability and demand.

  • To pick up cheap tickets from BOS to USM, book early. Airlines typically offer the most competitive fares when flights are first made available.

  • Finding cheap flights from Logan International Airport to Koh Samui Airport is more likely if you can be flexible with your dates. Use the 'Whole month' tool to see the best prices across each month and land a great deal.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll let you know as soon as the price changes on cheap flights from BOS to USM.

  • Select your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Logan International Airport to Koh Samui Airport.

Handy information about Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to Logan International Airport's on-time performance, data shows 73.94% of flights complete their journey on time.

  • To reach Logan International Airport from central Boston, it takes around 10 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 3 miles from the airport to the city center.

  • Catching public transport? Expect a journey time of around 25 minutes.

  • Looking for a convenient hotel close to BOS? If you've booked an early flight from Logan International Airport to Koh Samui Airport, these accommodation options will put you moments from check-in:

Arriving at Koh Samui Airport (USM)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a Logan International Airport to Koh Samui Airport flight. Reserve one of these accommodation options near USM instead:

  • Hit the road running by picking up a Koh Samui Airport rental car. Grab your wheels from asap car rental, Hertz or Drive Car Rental and explore beyond Koh Samui's usual tourist stops.

  • To lock in the lowest price, reserve your vehicle from Koh Samui Airport about four weeks ahead.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Koh Samui Airport is approximately 2 miles from central Koh Samui. How long it'll take to get there in a cab or ride-share depends on the time of day, so do a little research beforehand.

When to fly to Koh Samui Airport (USM)

  • July is the most popular month for flights from Logan International Airport to Koh Samui Airport. To avoid the crowds, go to Koh Samui in February.

Explore more of Thailand

  • Koh Samui is always a good idea, but there are so many other parts of Thailand waiting to be explored. About 290 miles north of Koh Samui, a visit to Bangkok will keep you on the go. Start with popular sights like Grand Palace, Wat Arun and Wat Phra Kaew.

  • Chon Buri is another sought-after destination in Thailand and is around 270 miles north of Koh Samui. No trip is complete without visiting Wat Ton Son, Forest and Phra Phutthasihing Hall.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.