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Cheap flights from Boston to Chiang Mai from $516

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 10/6. 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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Find the cheapest flights from Boston to Chiang Mai

Cheap round-trip flights

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Cathay Pacific Logo
12:30 am - 9:50 amBOS-CNX
21h 20m1 stop
Cathay Pacific Logo
7:40 pm - 10:00 pmCNX-BOS
38h 20m1 stop
$967Cathay Pacific
Find Deal
Tue, Jan 6 - Mon, Jan 19
Cathay Pacific Logo
12:30 am - 6:50 pmBOS-CNX
30h 20m1 stop
Cathay Pacific Logo
7:40 pm - 10:00 pmCNX-BOS
38h 20m1 stop
$969Cathay Pacific
Find Deal
Tue, Jan 6 - Tue, Jan 20
Cathay Pacific Logo
12:30 am - 6:50 pmBOS-CNX
30h 20m1 stop
Cathay Pacific Logo
7:40 pm - 10:00 pmCNX-BOS
38h 20m1 stop
$971Cathay Pacific
Find Deal
Tue, Jan 6 - Mon, Jan 19
Korean Air Logo
6:00 am - 10:55 pmBOS-CNX
29h 55m2 stops
Korean Air Logo
12:15 am - 9:40 amCNX-BOS
20h 25m1 stop
$973Korean Air
Find Deal
Mon, Mar 9 - Wed, Mar 11
Korean Air Logo
6:00 am - 10:55 pmBOS-CNX
29h 55m2 stops
Korean Air Logo
12:15 am - 10:33 pmCNX-BOS
33h 18m2 stops
$984Korean Air
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Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
10:00 pm - 11:15 amBOS-CNX
26h 15m2 stops
Multiple Airlines Logo
9:05 pm - 2:55 pmCNX-BOS
28h 50m2 stops
$986Multiple Airlines
Find Deal
Sun, Oct 19 - Fri, Oct 31
Multiple Airlines Logo
8:40 pm - 9:25 amBOS-CNX
24h 45m2 stops
Multiple Airlines Logo
9:40 pm - 2:20 pmCNX-BOS
28h 40m2 stops
$993Multiple Airlines
Find Deal
Wed, Jan 21 - Tue, Feb 3
Delta Logo
5:40 am - 10:55 pmBOS-CNX
29h 15m2 stops
Delta Logo
12:15 am - 6:56 pmCNX-BOS
30h 41m2 stops
$997Delta
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Wed, Jan 21 - Mon, Feb 2
Delta Logo
5:40 am - 10:55 pmBOS-CNX
29h 15m2 stops
Delta Logo
12:15 am - 4:30 pmCNX-BOS
28h 15m2 stops
$998Delta
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Wed, Jan 21 - Mon, Feb 2
Etihad Airways Logo
4:30 pm - 1:45 pmBOS-CNX
34h 15m2 stops
Etihad Airways Logo
10:10 am - 3:10 pmCNX-BOS
64h 00m2 stops
$1,158Etihad Airways
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Fri, Oct 17 - Sat, Oct 25

Cathay Pacific flights from Boston to Chiang Mai

Our best Cathay Pacific deals on Boston to Chiang Mai flight tickets
Cathay Pacific
Jan 6
BOS12:30 amBoston Logan Intl
21h 20m
1 stop
CNX9:50 amChiang Mai
Jan 19
CNX7:40 pmChiang Mai
38h 20m
1 stop
BOS10:00 pmBoston Logan Intl
$967
Find similar
Cathay Pacific
Jan 6
BOS12:30 amBoston Logan Intl
30h 20m
1 stop
CNX6:50 pmChiang Mai
Jan 20
CNX7:40 pmChiang Mai
38h 20m
1 stop
BOS10:00 pmBoston Logan Intl
$969
Find similar
Cathay Pacific
Jan 6
BOS12:30 amBoston Logan Intl
30h 20m
1 stop
CNX6:50 pmChiang Mai
Jan 19
CNX7:40 pmChiang Mai
38h 20m
1 stop
BOS10:00 pmBoston Logan Intl
$971
Find similar

Delta flights from Boston to Chiang Mai

Our best Delta deals on Boston to Chiang Mai flight tickets
Delta
Jan 21
BOS5:40 amBoston Logan Intl
29h 15m
2 stops
CNX10:55 pmChiang Mai
Feb 2
CNX12:15 amChiang Mai
30h 41m
2 stops
BOS6:56 pmBoston Logan Intl
$997
Find similar
Delta
Jan 21
BOS5:40 amBoston Logan Intl
29h 15m
2 stops
CNX10:55 pmChiang Mai
Feb 2
CNX12:15 amChiang Mai
28h 15m
2 stops
BOS4:30 pmBoston Logan Intl
$998
Find similar
Delta
Mar 9
BOS5:40 amBoston Logan Intl
30h 15m
2 stops
CNX10:55 pmChiang Mai
Mar 11
CNX12:15 amChiang Mai
34h 33m
2 stops
BOS11:48 pmBoston Logan Intl
$1,059
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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 October 2, 2025.
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

Tue 1/6

12:30 am-9:50 am

1 stop21h 20m

Chiang Mai

Mon 1/19

7:40 pm-10:00 pm

1 stop38h 20m

$967

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 1/6

12:30 am-6:50 pm

1 stop30h 20m

Chiang Mai

Tue 1/20

7:40 pm-10:00 pm

1 stop38h 20m

$969

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 1/6

12:30 am-6:50 pm

1 stop30h 20m

Chiang Mai

Mon 1/19

7:40 pm-10:00 pm

1 stop38h 20m

$971

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 3/9

6:00 am-10:55 pm

2 stops29h 55m

Chiang Mai

Wed 3/11

12:15 am-9:40 am

1 stop20h 25m

$973

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 3/9

6:00 am-10:55 pm

2 stops29h 55m

Chiang Mai

Wed 3/11

12:15 am-10:33 pm

2 stops33h 18m

$984

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sun 10/19

10:00 pm-11:15 am

2 stops26h 15m

Chiang Mai

Fri 10/31

9:05 pm-2:55 pm

2 stops28h 50m

$986

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

8:40 pm-9:25 am

2 stops24h 45m

Chiang Mai

Tue 2/3

9:40 pm-2:20 pm

2 stops28h 40m

$993

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

5:40 am-10:55 pm

2 stops29h 15m

Chiang Mai

Mon 2/2

12:15 am-6:56 pm

2 stops30h 41m

$997

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

5:40 am-10:55 pm

2 stops29h 15m

Chiang Mai

Mon 2/2

12:15 am-4:30 pm

2 stops28h 15m

$998

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Fri 10/17

4:30 pm-1:45 pm

2 stops34h 15m

Chiang Mai

Sat 10/25

10:10 am-3:10 pm

2 stops64h 00m

$1,158

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

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $1,101.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from Boston to Chiang Mai is on a Thursday. Travelers who choose to depart for Chiang Mai on a Thursday will often find tickets for as low as $1,237. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Chiang Mai for around $1,670.

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

Flying to Chiang Mai from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,418 when looking at flights departing in the evening. Flights to Chiang Mai are more costly in the afternoon, with an average ticket price of $1,660. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 12% on your flight if you consider stops on a Boston to Chiang Mai flight.

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

Direct flights

None
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. 21h 05m 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 $993Free CancellationRating
7.6
1,015 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $1,005Free CancellationRating
8.4
1,145 reviews
Search Korean Air flights
DeltaPriceFrom $1,019Free CancellationRating
7.9
7,962 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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