Cheap flights from Boston to Thailand from $399

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 1/23. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$757Cathay Pacific
Wed, Jan 21 - Thu, Jan 29
Turkish Airlines Logo
8:00 pm - 8:40 am
BOS
-
BKK
24h 40m1 stop
Turkish Airlines Logo
11:15 am - 7:55 pm
BKK
-
BOS
43h 40m1 stop
$772Turkish Airlines
Sun, Mar 1 - Fri, May 1
Korean Air Logo
11:00 am - 12:45 am
BOS
-
BKK
25h 45m1 stop
Korean Air Logo
9:30 pm - 8:40 am
BKK
-
BOS
23h 10m1 stop
$773Korean Air
Wed, Feb 11 - Fri, Feb 20
Etihad Airways Logo
4:30 pm - 6:30 am
BOS
-
BKK
27h 00m1 stop
Etihad Airways Logo
9:10 am - 2:55 pm
BKK
-
BOS
40h 45m1 stop
$777Etihad Airways
Tue, Mar 31 - Wed, Apr 15
Korean Air Logo
11:55 am - 12:55 am
BOS
-
BKK
49h 00m2 stops
Korean Air Logo
2:05 am - 7:30 am
BKK
-
BOS
41h 25m2 stops
$778Korean Air
Sun, Feb 15 - Wed, Feb 18
Etihad Airways Logo
3:40 pm - 11:25 pm
BOS
-
BKK
19h 45m1 stop
Etihad Airways Logo
8:05 pm - 2:10 pm
BKK
-
BOS
30h 05m1 stop
$780Etihad Airways
Fri, Jan 30 - Sun, Feb 8
Turkish Airlines Logo
8:00 pm - 3:05 pm
BOS
-
BKK
31h 05m1 stop
Turkish Airlines Logo
5:50 am - 7:05 pm
BKK
-
BOS
24h 15m1 stop
$781Turkish Airlines
Fri, Mar 6 - Fri, Mar 20
Cathay Pacific Logo
12:30 am - 11:20 am
BOS
-
HKT
22h 50m1 stop
Cathay Pacific Logo
12:20 pm - 10:00 pm
HKT
-
BOS
21h 40m1 stop
$807Cathay Pacific
Sat, Jan 31 - Mon, Feb 9
Qatar Airways Logo
10:00 pm - 6:30 pm
BOS
-
HKT
33h 30m1 stop
Qatar Airways Logo
8:30 pm - 3:05 pm
HKT
-
BOS
29h 35m1 stop
$864Qatar Airways
Thu, Apr 30 - Thu, May 7
Qatar Airways Logo
9:40 pm - 6:55 pm
BOS
-
HKT
34h 15m1 stop
Qatar Airways Logo
11:55 pm - 2:55 pm
HKT
-
BOS
26h 00m1 stop
$865Qatar Airways
Sun, Mar 15 - Tue, Mar 24

Etihad Airways flights from Boston to Thailand

Our best Etihad Airways deals on Boston to Thailand flight tickets
Etihad Airways
Feb 1
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Apr 29
BKK3:15 amBangkok Suvarnabhumi
22h 40m
1 stop
BOS2:55 pmBoston Logan Intl
Etihad Airways
Feb 4
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
May 4
BKK9:10 amBangkok Suvarnabhumi
40h 45m
1 stop
BOS2:55 pmBoston Logan Intl
Etihad Airways
Jan 30
BOS3:40 pmBoston Logan Intl
19h 45m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
Feb 8
BKK8:05 pmBangkok Suvarnabhumi
30h 05m
1 stop
BOS2:10 pmBoston Logan Intl

Korean Air flights from Boston to Thailand

Our best Korean Air deals on Boston to Thailand flight tickets
Korean Air
Feb 11
BOS11:00 amBoston Logan Intl
25h 45m
1 stop
BKK12:45 amBangkok Suvarnabhumi
Feb 20
BKK9:30 pmBangkok Suvarnabhumi
23h 10m
1 stop
BOS8:40 amBoston Logan Intl
Korean Air
Feb 15
BOS11:55 amBoston Logan Intl
49h 00m
2 stops
BKK12:55 amBangkok Suvarnabhumi
Feb 18
BKK2:05 amBangkok Suvarnabhumi
41h 25m
2 stops
BOS7:30 amBoston Logan Intl
Korean Air
Feb 12
BOS6:55 amBoston Logan Intl
29h 50m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Mar 7
BKK9:40 amBangkok Suvarnabhumi
35h 00m
1 stop
BOS8:40 amBoston 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 23, 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-5:35 pm

1 stop29h 05m

Phuket City

Thu 1/29

12:20 pm-10:00 pm

1 stop21h 40m

$757

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Sun 3/1

8:00 pm-8:40 am

1 stop24h 40m

Bangkok Suvarnabhumi

Fri 5/1

11:15 am-7:55 pm

1 stop43h 40m

$772

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Wed 2/11

11:00 am-12:45 am

1 stop25h 45m

Bangkok Suvarnabhumi

Fri 2/20

9:30 pm-8:40 am

1 stop23h 10m

$773

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Tue 3/31

4:30 pm-6:30 am

1 stop27h 00m

Bangkok Suvarnabhumi

Wed 4/15

9:10 am-2:55 pm

1 stop40h 45m

$777

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Sun 2/15

11:55 am-12:55 am

2 stops49h 00m

Bangkok Suvarnabhumi

Wed 2/18

2:05 am-7:30 am

2 stops41h 25m

$778

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Fri 1/30

3:40 pm-11:25 pm

1 stop19h 45m

Bangkok Suvarnabhumi

Sun 2/8

8:05 pm-2:10 pm

1 stop30h 05m

$780

BostonBangkok

BOS - BKK

BOSBKK

Boston Logan Intl

Fri 3/6

8:00 pm-3:05 pm

1 stop31h 05m

Bangkok Suvarnabhumi

Fri 3/20

5:50 am-7:05 pm

1 stop24h 15m

$781

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Sat 1/31

12:30 am-11:20 am

1 stop22h 50m

Phuket City

Mon 2/9

12:20 pm-10:00 pm

1 stop21h 40m

$807

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Thu 4/30

10:00 pm-6:30 pm

1 stop33h 30m

Phuket City

Thu 5/7

8:30 pm-3:05 pm

1 stop29h 35m

$864

BostonPhuket City

BOS - HKT

BOSHKT

Boston Logan Intl

Sun 3/15

9:40 pm-6:55 pm

1 stop34h 15m

Phuket City

Tue 3/24

11:55 pm-2:55 pm

1 stop26h 00m

$865

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $927. 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 $947.

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 $1,115 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 $945 on momondo.

Can stopping save me money on Boston to Thailand flights?

You could potentially save up to 1% on your flight if you consider stops on a Boston to Thailand flight.

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

20h 20m

Direct flights

None
The fastest flight from Boston to Thailand takes 20h 20m
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
8,014 reviews
Search Delta flights
Cathay PacificPriceFrom $741Free CancellationRating
7.6
1,103 reviews
Search Cathay Pacific flights
Air CanadaPriceFrom $743Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
Etihad AirwaysPriceFrom $758Free CancellationRating
7.4
1,336 reviews
Search Etihad Airways flights
United AirlinesPriceFrom $787Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $795Free CancellationRating
7.3
4,111 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $812Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
Korean AirPriceFrom $820Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $853Free CancellationRating
8.3
1,660 reviews
Search Japan Airlines flights
ANAPriceFrom $874Free CancellationRating
8.4
1,034 reviews
Search ANA 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

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1 adult
Thu 1/22
Thu 1/29

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