Cheap flights from Boston to Thailand from $379

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 Thailand departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Boston to Thailand

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
12:30 am - 11:20 am
BOS
-
HKT
22h 50m1 stop
Cathay Pacific Logo
6:35 pm - 10:00 pm
HKT
-
BOS
39h 25m1 stop
$749Cathay Pacific
Wed, Jan 21 - Mon, Feb 2
Cathay Pacific Logo
12:30 am - 5:35 pm
BOS
-
HKT
29h 05m1 stop
Cathay Pacific Logo
12:20 pm - 10:00 pm
HKT
-
BOS
21h 40m1 stop
$764Cathay Pacific
Mon, Jan 19 - Tue, Feb 3
Cathay Pacific Logo
1:40 am - 10:50 am
BOS
-
HKT
22h 10m1 stop
Cathay Pacific Logo
11:50 am - 11:00 pm
HKT
-
BOS
22h 10m1 stop
$769Cathay Pacific
Sun, Apr 12 - Tue, Apr 21
Etihad Airways Logo
3:40 pm - 11:25 pm
BOS
-
BKK
19h 45m1 stop
Etihad Airways Logo
9:25 am - 2:10 pm
BKK
-
BOS
40h 45m1 stop
$781Etihad Airways
Sun, Jan 18 - Thu, Jan 29
Korean Air Logo
11:00 am - 12:55 am
BOS
-
BKK
25h 55m1 stop
Korean Air Logo
9:40 am - 8:40 am
BKK
-
BOS
35h 00m1 stop
$784Korean Air
Sat, Jan 31 - Tue, Feb 10
Etihad Airways Logo
3:40 pm - 11:25 pm
BOS
-
BKK
19h 45m1 stop
Etihad Airways Logo
2:55 am - 3:10 pm
BKK
-
BOS
23h 15m1 stop
$785Etihad Airways
Wed, Feb 25 - Fri, Mar 13
Korean Air Logo
6:00 am - 12:45 am
BOS
-
BKK
30h 45m2 stops
Korean Air Logo
2:05 am - 8:40 am
BKK
-
BOS
42h 35m1 stop
$789Korean Air
Sat, Jan 31 - Mon, Feb 9
Turkish Airlines Logo
9:50 pm - 6:00 pm
BOS
-
USM
33h 10m2 stops
Turkish Airlines Logo
6:55 pm - 7:55 pm
USM
-
BOS
36h 00m2 stops
$1,086Turkish Airlines
Sat, May 9 - Fri, May 22
Turkish Airlines Logo
9:50 pm - 8:35 am
BOS
-
USM
23h 45m2 stops
Turkish Airlines Logo
5:50 pm - 7:55 pm
USM
-
BOS
37h 05m2 stops
$1,100Turkish Airlines
Fri, May 1 - Thu, May 7
Qatar Airways Logo
5:32 pm - 4:50 pm
BOS
-
UTP
35h 18m3 stops
Qatar Airways Logo
1:00 pm - 2:24 pm
UTP
-
BOS
36h 24m3 stops
$2,450Qatar Airways
Thu, Mar 5 - Thu, Mar 19

Etihad Airways flights from Boston to Thailand

Our best Etihad Airways deals on Boston to Thailand flight tickets
Etihad Airways
Jan 18
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Jan 29
BKK9:25 amBangkok Suvarnabhumi
40h 45m
1 stop
BOS2:10 pmBoston Logan Intl
Etihad Airways
Feb 25
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Mar 13
BKK2:55 amBangkok Suvarnabhumi
23h 15m
1 stop
BOS3:10 pmBoston Logan Intl
Etihad Airways
Jan 21
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Jan 28
BKK7:35 pmBangkok Suvarnabhumi
54h 35m
2 stops
BOS2:10 pmBoston Logan Intl

Qatar Airways flights from Boston to Thailand

Our best Qatar Airways deals on Boston to Thailand flight tickets
Qatar Airways
Jan 19
BOS8:40 pmBoston Logan Intl
27h 35m
1 stop
BKK12:15 pmBangkok Suvarnabhumi
Mar 9
BKK8:30 pmBangkok Suvarnabhumi
29h 25m
1 stop
BOS2:55 pmBoston Logan Intl
Qatar Airways
Mar 5
BOS8:40 pmBoston Logan Intl
33h 45m
1 stop
BKK6:25 pmBangkok Suvarnabhumi
Mar 30
BKK9:15 amBangkok Suvarnabhumi
41h 00m
1 stop
BOS3:15 pmBoston Logan Intl
Qatar Airways
Feb 15
BOS8:40 pmBoston Logan Intl
22h 00m
1 stop
BKK6:40 amBangkok Suvarnabhumi
Feb 24
BKK8:30 pmBangkok Suvarnabhumi
29h 50m
1 stop
BOS2:20 pmBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Thailand 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Boston to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Wed 1/21

12:30 am-11:20 am

1 stop22h 50m

Phuket City

Mon 2/2

6:35 pm-10:00 pm

1 stop39h 25m

$749

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Mon 1/19

12:30 am-5:35 pm

1 stop29h 05m

Phuket City

Tue 2/3

12:20 pm-10:00 pm

1 stop21h 40m

$764

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Sun 4/12

1:40 am-10:50 am

1 stop22h 10m

Phuket City

Tue 4/21

11:50 am-11:00 pm

1 stop22h 10m

$769

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Sun 1/18

3:40 pm-11:25 pm

1 stop19h 45m

Bangkok Suvarnabhumi

Thu 1/29

9:25 am-2:10 pm

1 stop40h 45m

$781

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Sat 1/31

11:00 am-12:55 am

1 stop25h 55m

Bangkok Suvarnabhumi

Tue 2/10

9:40 am-8:40 am

1 stop35h 00m

$784

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Wed 2/25

3:40 pm-11:25 pm

1 stop19h 45m

Bangkok Suvarnabhumi

Fri 3/13

2:55 am-3:10 pm

1 stop23h 15m

$785

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Sat 1/31

6:00 am-12:45 am

2 stops30h 45m

Bangkok Suvarnabhumi

Mon 2/9

2:05 am-8:40 am

1 stop42h 35m

$789

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Sat 5/9

9:50 pm-6:00 pm

2 stops33h 10m

Ko Samui

Fri 5/22

6:55 pm-7:55 pm

2 stops36h 00m

$1,086

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Fri 5/1

9:50 pm-8:35 am

2 stops23h 45m

Ko Samui

Thu 5/7

5:50 pm-7:55 pm

2 stops37h 05m

$1,100

BostonRayong

BOS - UTP

BOSUTP

Boston Logan Intl

Thu 3/5

5:32 pm-4:50 pm

3 stops35h 18m

Utapao Rayong Pattaya

Thu 3/19

1:00 pm-2:24 pm

3 stops36h 24m

$2,450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Thailand from

How to get the cheapest flight ticket from Boston to Thailand

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

What is the cheapest month to fly to Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Boston, with most prices found around $923. If you are unable to visit Thailand during the month of September, then departing from Boston during the month October is also very affordable. Most momondo users find prices during this month for around $946.

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand is on a Sunday when prices can be found for as low as $1,031. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,192.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,089 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Thailand is in the afternoon when prices are around $1,232.

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,114 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Boston for as low as $970 on momondo.

Cheap Boston to Thailand flight deals and tips

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

Fastest flight time

19h 45m

Direct flights

None
The fastest flight from Boston to Thailand takes 19h 45m
There are no direct flights from Boston to Thailand. There are no popular flight routes from Boston to Thailand.
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Thailand?

    Prices for flights from Boston Logan Intl Airport to Thailand were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Thailand?

  • How old do you have to be to fly from Boston Logan Intl Airport to Thailand?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Thailand.

  • What documentation or ID do you need to fly to Thailand?

    The necessary travel and health documents for your Thailand trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boston to Thailand

Compare and see reviews for airlines that fly from Boston to Thailand with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $648Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom $743Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
Etihad AirwaysPriceFrom $760Free CancellationRating
7.4
1,329 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $768Free CancellationRating
7.6
1,084 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $787Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $788Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $814Free CancellationRating
7.4
3,678 reviews
Search Qatar Airways flights
Korean AirPriceFrom $821Free CancellationRating
8.4
1,179 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $841Free CancellationRating
8.3
1,638 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $873Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Thailand for you.

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

All flight searches from Boston to Thailand on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Thailand?

momondo helps you find the best flight between Boston and Thailand by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Thailand, momondo offers a useful price alert feature which will track prices for flights to Thailand from Boston and alert you when they change.

An easier way to manage your Thailand 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.
1 adult
Sat 1/3
Sat 1/10

Find better results for your trip to Thailand

Popular cities in Thailand

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