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Chiang Mai

$463+ Cheap flights from Boston (BOS) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNX
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap flight deals from Boston to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 28, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$761
(Ovago)

One-way from

$463
(oojo)

Popular in

December

Cheapest in

October

Average price

$1,019
Provider with most accurate pricing for Boston Logan Intl-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Chiang Mai flights.
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From Boston Logan Intl to Chiang Mai
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One-way flight from Boston Logan Intl to Chiang Mai
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Highest demand for flights based on searches. 14% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($120 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Boston to Chiang Mai

Cheapest flights from Boston to Chiang Mai
Explore the most affordable flight options available from Boston to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This Gurufare deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/812:30 amBOS - CNX
1 stop21h 20mCathay Pacific
dom. 12/217:40 pmCNX - BOS
1 stop38h 20mCathay Pacific
Deal found 10/26$963
This Korean Air deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:00 amBOS - CNX
1 stop23h 55mKorean Air
mié. 12/312:15 amCNX - BOS
1 stop20h 25mKorean Air
Deal found 10/26$968
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:00 pmBOS - CNX
2 stops39h 55mDelta
mié. 12/312:15 amCNX - BOS
2 stops35h 43mDelta
Deal found 10/26$972
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1412:30 amBOS - CNX
2 stops34h 15mMultiple Airlines
sáb. 11/299:25 amCNX - BOS
2 stops24h 35mMultiple Airlines
Deal found 10/27$1,005
This Gurufare deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/812:30 amBOS - CNX
1 stop21h 20mCathay Pacific
jue. 12/47:40 pmCNX - BOS
1 stop38h 20mCathay Pacific
Deal found 10/26$1,013
This Korean Air deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/911:00 amBOS - CNX
1 stop23h 55mMultiple Airlines
mié. 12/312:15 amCNX - BOS
2 stops23h 44mMultiple Airlines
Deal found 10/26$1,028
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:00 pmBOS - CNX
2 stops39h 55mDelta
sáb. 12/1312:15 amCNX - BOS
2 stops35h 43mDelta
Deal found 10/26$1,053
This Gurufare deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/812:30 amBOS - CNX
1 stop21h 20mCathay Pacific
dom. 12/1410:35 amCNX - BOS
1 stop23h 25mCathay Pacific
Deal found 10/26$1,088
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:00 amBOS - CNX
2 stops39h 35mMultiple Airlines
dom. 12/1411:50 amCNX - BOS
2 stops31h 39mMultiple Airlines
Deal found 10/26$1,106

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 28, 2025.
Use the filters below to find and compare flights from Boston to Chiang Mai that are best for you.

Fly from

Boston

Fly to

Chiang Mai

Route

Depart

Return

Price

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

lun. 3/9

9:10 am-10:55 pm

2 stops26h 45m

Chiang Mai

mié. 3/11

12:15 am-6:32 am

2 stops41h 17m

$885

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

lun. 3/9

12:00 pm-10:55 pm

1 stop23h 55m

Chiang Mai

mié. 3/11

12:15 am-12:59 am

2 stops35h 44m

$935

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

dom. 3/8

1:30 am-9:50 am

1 stop21h 20m

Chiang Mai

jue. 3/12

10:35 am-11:00 pm

1 stop23h 25m

$936

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

dom. 11/9

7:00 pm-10:55 pm

2 stops39h 55m

Chiang Mai

sáb. 12/13

12:15 am-11:58 pm

2 stops35h 43m

$1,053

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

lun. 3/9

4:40 pm-9:25 am

2 stops29h 45m

Chiang Mai

jue. 3/12

8:50 am-3:10 pm

1 stop41h 20m

$1,084

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

sáb. 1/31

12:30 am-9:50 am

1 stop21h 20m

$463

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

dom. 2/1

1:00 pm-10:55 pm

2 stops45h 55m

$485

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

dom. 2/1

8:40 pm-4:25 pm

2 stops31h 45m

$487

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

sáb. 11/15

4:05 pm-10:55 pm

2 stops42h 50m

$634

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

dom. 12/28

6:40 pm-6:50 pm

3 stops36h 10m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 11 results
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Compare providers for flights from Boston to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Chiang Mai in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Chiang Mai flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-Chiang Mai flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Boston-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Chiang Mai flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Chiang Mai

What is the cheapest month to book a flight from Boston to Chiang Mai?

Currently, November is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $910). Flying from Boston to Chiang Mai in June is currently the most expensive (average of $1,668). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to CNX?

Find hourly flight availability from Boston to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Chiang Mai in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated octubre 28, 2025.
Read through reviews of airlines operating flights from Boston to Chiang Mai, such as Korean Air, Delta, and Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
7,994 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Cathay Pacific
7.6
Good
1,042 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Boston to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Chiang Mai?

    Delta, Korean Air, and Cathay Pacific can get you from Boston to Chiang Mai in just under 21h 20m. Your travel time can differ by up to 5h 25m. Airlines will cover a distance of 8159 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Boston to Chiang Mai round-trip?

    Currently priced at $993, Cathay Pacific will fly you from Boston to Chiang Mai and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Korean Air and Delta - these airlines can fly you to your destination from $1,005 and $1,019, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • Can I find deals for flights from Boston to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Boston to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Chiang Mai.

  • Can I find deals for business class flights from Boston to Chiang Mai?

    Yes. Cheapflights offers flight deals from Boston to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Chiang Mai?

    Currently, November is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $910). Flying from Boston to Chiang Mai in June is currently the most expensive (average of $1,668). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boston to Chiang Mai

Discover the top 3 airlines that operate flights from Boston to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$993Average$1,620FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,005Average$1,217FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,019Average$1,392FlexibilityNo cancel feeOn-timeN/A

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