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Cheap flights from Boston to Chiang Mai from $446

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 Chiang Mai departing on 1/19. 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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0 bags

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Find the cheapest flights from Boston to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m1 stop
Korean Air Logo
12:15 am - 8:40 am
CNX
-
BOS
20h 25m1 stop
$834Korean Air
Wed, Jan 21 - Mon, Feb 2
Korean Air Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m1 stop
Korean Air Logo
12:15 am - 8:40 am
CNX
-
BOS
20h 25m1 stop
$835Korean Air
Wed, Jan 21 - Mon, Feb 2
Korean Air Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m1 stop
Korean Air Logo
12:15 am - 6:30 pm
CNX
-
BOS
30h 15m2 stops
$846Korean Air
Wed, Jan 21 - Mon, Feb 2
Delta Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m1 stop
Delta Logo
12:15 am - 2:20 pm
CNX
-
BOS
26h 05m2 stops
$891Delta
Wed, Jan 21 - Mon, Feb 2
Cathay Pacific Logo
1:30 am - 6:50 pm
BOS
-
CNX
30h 20m1 stop
Cathay Pacific Logo
10:35 am - 11:00 pm
CNX
-
BOS
23h 25m1 stop
$955Cathay Pacific
Tue, Mar 10 - Wed, Mar 18
Multiple Airlines Logo
10:00 pm - 11:15 am
BOS
-
CNX
26h 15m2 stops
Multiple Airlines Logo
8:00 pm - 3:05 pm
CNX
-
BOS
30h 05m2 stops
$983Multiple Airlines
Wed, Apr 1 - Mon, Apr 20
Multiple Airlines Logo
9:40 pm - 11:20 am
BOS
-
CNX
26h 40m2 stops
Multiple Airlines Logo
7:45 pm - 2:55 pm
CNX
-
BOS
30h 10m2 stops
$1,005Multiple Airlines
Mon, Mar 9 - Wed, Mar 18
Multiple Airlines Logo
8:40 pm - 11:20 am
BOS
-
CNX
50h 40m2 stops
Multiple Airlines Logo
7:45 pm - 2:55 pm
CNX
-
BOS
54h 10m2 stops
$1,006Multiple Airlines
Thu, Mar 5 - Sat, Mar 14
Korean Air Logo
6:00 am - 10:55 pm
BOS
-
CNX
28h 55m2 stops
Korean Air Logo
12:15 am - 3:53 pm
CNX
-
BOS
27h 38m2 stops
$1,020Korean Air
Wed, Jan 21 - Mon, Feb 2
Multiple Airlines Logo
9:40 pm - 7:00 pm
BOS
-
CNX
34h 20m2 stops
Multiple Airlines Logo
7:45 pm - 2:55 pm
CNX
-
BOS
30h 10m2 stops
$1,043Multiple Airlines
Wed, Mar 11 - Wed, Mar 18

Korean Air flights from Boston to Chiang Mai

Our best Korean Air deals on Boston to Chiang Mai flight tickets
Korean Air
Jan 21
BOS11:00 amBoston Logan Intl
23h 55m
1 stop
CNX10:55 pmChiang Mai
Feb 2
CNX12:15 amChiang Mai
20h 25m
1 stop
BOS8:40 amBoston Logan Intl
$834
Korean Air
Jan 21
BOS11:00 amBoston Logan Intl
23h 55m
1 stop
CNX10:55 pmChiang Mai
Feb 2
CNX12:15 amChiang Mai
20h 25m
1 stop
BOS8:40 amBoston Logan Intl
$835
Korean Air
Jan 21
BOS11:00 amBoston Logan Intl
23h 55m
1 stop
CNX10:55 pmChiang Mai
Feb 2
CNX12:15 amChiang Mai
30h 15m
2 stops
BOS6:30 pmBoston Logan Intl
$846

Emirates flights from Boston to Chiang Mai

Our best Emirates deals on Boston to Chiang Mai flight tickets
Emirates
Mar 22
BOS11:05 pmBoston Logan Intl
32h 55m
2 stops
CNX7:00 pmChiang Mai
Mar 26
CNX7:45 pmChiang Mai
29h 45m
2 stops
BOS2:30 pmBoston Logan Intl
$1,304
Emirates
Mar 22
BOS11:05 pmBoston Logan Intl
32h 55m
2 stops
CNX7:00 pmChiang Mai
Mar 26
CNX7:45 pmChiang Mai
29h 45m
2 stops
BOS2:30 pmBoston Logan Intl
$1,305

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Chiang Mai 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 January 8, 2026.
Use the filters below to find and compare flights from Boston to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

11:00 am-10:55 pm

1 stop23h 55m

Chiang Mai

Mon 2/2

12:15 am-8:40 am

1 stop20h 25m

$834

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

11:00 am-10:55 pm

1 stop23h 55m

Chiang Mai

Mon 2/2

12:15 am-8:40 am

1 stop20h 25m

$835

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

11:00 am-10:55 pm

1 stop23h 55m

Chiang Mai

Mon 2/2

12:15 am-6:30 pm

2 stops30h 15m

$846

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

11:00 am-10:55 pm

1 stop23h 55m

Chiang Mai

Mon 2/2

12:15 am-2:20 pm

2 stops26h 05m

$891

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 3/10

1:30 am-6:50 pm

1 stop30h 20m

Chiang Mai

Wed 3/18

10:35 am-11:00 pm

1 stop23h 25m

$955

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 4/1

10:00 pm-11:15 am

2 stops26h 15m

Chiang Mai

Mon 4/20

8:00 pm-3:05 pm

2 stops30h 05m

$983

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 3/9

9:40 pm-11:20 am

2 stops26h 40m

Chiang Mai

Wed 3/18

7:45 pm-2:55 pm

2 stops30h 10m

$1,005

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Thu 3/5

8:40 pm-11:20 am

2 stops50h 40m

Chiang Mai

Sat 3/14

7:45 pm-2:55 pm

2 stops54h 10m

$1,006

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

6:00 am-10:55 pm

2 stops28h 55m

Chiang Mai

Mon 2/2

12:15 am-3:53 pm

2 stops27h 38m

$1,020

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 3/11

9:40 pm-7:00 pm

2 stops34h 20m

Chiang Mai

Wed 3/18

7:45 pm-2:55 pm

2 stops30h 10m

$1,043

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 Chiang Mai from

How to get the cheapest flight ticket from Boston to Chiang Mai

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

Can stopping save me money on Boston to Chiang Mai flights?

You could potentially save up to 20% on your flight if you consider stops on a Boston to Chiang Mai flight.

How have Boston to Chiang Mai flight prices changed over time?

As of January 2026, prices for Boston to Chiang Mai flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Chiang Mai (BOS to CNX) flight deals and tips

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

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from Boston to Chiang Mai takes 26h 40m
There are no direct flights from Boston to Chiang Mai. There are no popular flight routes from Boston to Chiang Mai.
Search flight deals

  • How far is Boston Logan Intl to Chiang Mai by plane?

    The straight-line distance from Boston Logan Intl to Chiang Mai is 8158.8 mi. 26h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Chiang Mai Airport?

    Prices for flights from Boston Logan Intl Airport to Chiang Mai Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport 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.

  • What is the most popular airline from Boston to Chiang Mai?

Best airlines flying from Boston to Chiang Mai

Compare and see reviews for airlines that fly from Boston to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $768Free CancellationRating
7.6
1,124 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $990Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
DeltaPriceFrom $1,019Free CancellationRating
7.9
8,025 reviews
Search Delta flights

Why use momondo?

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

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 Chiang Mai for you.

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

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

How can momondo help me find flights from Boston to Chiang Mai?

momondo helps you find the best flight between Boston and Chiang Mai 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 Chiang Mai right now. Can momondo alert me if prices change?

Price alerts on flights to Chiang Mai from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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