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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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:45 pmBOS - CNX
2 stops30h 50mMultiple Airlines
Wed 12/177:40 pmCNX - BOS
1 stop38h 20mMultiple Airlines
Deal found 12/9$1,872
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Sat 12/133:40 pmBOS - CNX
2 stops31h 40mEtihad Airways
Sat 12/208:50 amCNX - BOS
1 stop41h 20mEtihad Airways
Deal found 12/10$1,943
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Sat 12/138:45 pmBOS - CNX
2 stops50h 35mMultiple Airlines
Sat 12/205:05 pmCNX - BOS
2 stops33h 15mMultiple Airlines
Deal found 12/10$1,964
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Thu 12/253:40 pmBOS - CNX
1 stop26h 25mEtihad Airways
Thu 1/89:40 pmCNX - BOS
2 stops28h 30mEtihad Airways
Deal found 12/10$2,009
This Emirates deal was found by Cheapflights users on 12/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:10 pmBOS - CNX
2 stops34h 50mEmirates
Mon 1/129:40 pmCNX - BOS
2 stops52h 15mEmirates
Deal found 12/10$2,037
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Sat 12/273:40 pmBOS - CNX
2 stops29h 45mEtihad Airways
Sat 1/108:50 amCNX - BOS
1 stop41h 20mEtihad Airways
Deal found 12/10$2,040
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:40 pmBOS - CNX
2 stops42h 55mMultiple Airlines
Fri 1/910:50 pmCNX - BOS
2 stops27h 20mMultiple Airlines
Deal found 12/10$2,139
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Thu 12/253:40 pmBOS - CNX
1 stop26h 25mEtihad Airways
Fri 1/912:10 pmCNX - BOS
2 stops38h 00mEtihad Airways
Deal found 12/10$2,144
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:40 pmBOS - CNX
1 stop26h 25mMultiple Airlines
Mon 1/127:40 pmCNX - BOS
2 stops58h 25mMultiple Airlines
Deal found 12/10$2,173
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:30 amBOS - CNX
1 stop21h 20mMultiple Airlines
Mon 1/1211:05 pmCNX - BOS
2 stops31h 00mMultiple Airlines
Deal found 12/10$2,231
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:40 pmBOS - CNX
1 stop26h 25mMultiple Airlines
Mon 1/127:40 pmCNX - BOS
2 stops58h 25mMultiple Airlines
Deal found 12/10$2,234

Find 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 December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$757
(Ovago)

One-way from

$463
(oojo)

Popular in

June

Cheapest in

September

Average price

$1,651
Provider with most accurate pricing for Boston Logan Intl-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Chiang Mai flights.
Search Deals
From Boston Logan Intl to Chiang Mai
Search Deals
One-way flight from Boston Logan Intl to Chiang Mai
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($424 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Sun 1/25

12:30 am-9:50 am

1 stop21h 20m

Chiang Mai

Mon 2/2

7:40 pm-10:00 pm

1 stop38h 20m

$752

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 1/20

12:30 am-9:50 am

1 stop21h 20m

Chiang Mai

Tue 2/3

7:40 pm-10:00 pm

1 stop38h 20m

$903

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sun 1/25

12:30 am-9:50 am

1 stop21h 20m

Chiang Mai

Mon 2/2

10:10 am-10:00 pm

2 stops23h 50m

$948

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/21

8:40 pm-1:50 pm

2 stops53h 10m

Chiang Mai

Tue 2/3

3:25 pm-2:20 pm

2 stops34h 55m

$1,078

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sat 1/24

12:30 am-10:20 pm

2 stops33h 50m

Chiang Mai

Sun 2/1

6:35 am-10:00 pm

2 stops27h 25m

$1,091

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/7

6:40 pm-11:20 am

3 stops52h 40m

Chiang Mai

Tue 1/20

12:10 pm-4:20 pm

2 stops40h 10m

$1,236

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/7

10:05 am-2:20 pm

2 stops40h 15m

Chiang Mai

Mon 1/19

3:35 pm-9:23 pm

2 stops41h 48m

$1,244

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 1/7

3:40 pm-9:25 am

2 stops29h 45m

Chiang Mai

Tue 1/20

8:50 am-2:10 pm

1 stop41h 20m

$1,246

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sun 2/1

1:00 pm-10:55 pm

2 stops45h 55m

$465

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Thu 1/29

12:30 am-9:50 am

1 stop21h 20m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 16 results
1
2

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 December.
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 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 December 12, 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 December 12, 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
1,184 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

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
8,007 reviews
Korean Air
8.4
Very good
1,184 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

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
1,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

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?

    Cathay Pacific can get you from Boston to Chiang Mai in just under 21h 20m. Your travel time can differ by up to . Airlines will cover a distance of 8159 mi.

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

    Currently priced at $768, 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 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Chiang Mai one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $533. Users have also found prices from $578 and $599 on Cathay Pacific and Delta, respectively.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$768Average$1,339FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,005Average$1,196FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,019Average$1,392FlexibilityNo cancel feeOn-timeN/A

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