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Chiang Mai

$584+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,045
(FlightHub)

One-way from

$584
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$2,098
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. 22% potential increase in price ($408 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 9/210:00 pmBOS - CNX
2 stops24h 20mMultiple Airlines
Tue 9/238:00 pmCNX - BOS
2 stops30h 05mMultiple Airlines
Deal found 6/11$1,045
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:20 amBOS - CNX
2 stops40h 00mChina Airlines
Sun 9/711:20 amCNX - BOS
2 stops31h 40mChina Airlines
Deal found 6/11$1,077
This FlightHub deal was found by Cheapflights users on 6/12. 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 9/66:50 amBOS - CNX
2 stops43h 35mChina Eastern
Sun 9/142:55 pmCNX - BOS
2 stops41h 54mChina Eastern
Deal found 6/12$1,098
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:55 pmBOS - CNX
1 stop22h 00mDelta
Tue 9/2311:15 pmCNX - BOS
2 stops35h 29mDelta
Deal found 6/10$1,102
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:40 amBOS - CNX
1 stop21h 05mCathay Pacific
Tue 9/2310:30 amCNX - BOS
1 stop23h 30mCathay Pacific
Deal found 6/10$1,124
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amBOS - CNX
2 stops40h 35mEVA Air
Tue 11/1111:50 amCNX - BOS
2 stops48h 09mEVA Air
Deal found 6/12$1,178
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:55 pmBOS - CNX
1 stop22h 00mKorean Air
Tue 9/2311:15 pmCNX - BOS
1 stop21h 55mKorean Air
Deal found 6/12$1,223
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:20 pmBOS - CNX
2 stops33h 00mJapan Airlines
Sun 9/72:35 pmCNX - BOS
3 stops34h 48mJapan Airlines
Deal found 6/11$1,358
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Mon 6/306:25 pmBOS - CNX
2 stops41h 35mAsiana Airlines
Sun 9/712:45 amCNX - BOS
2 stops41h 33mAsiana Airlines
Deal found 6/10$1,693
This IEagle deal was found by Cheapflights users on 6/10. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:10 pmBOS - CNX
1 stop25h 45mEtihad Airways
Sun 12/147:45 pmCNX - BOS
2 stops30h 55mEtihad Airways
Deal found 6/10$1,739

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 June 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

Tue 9/2

10:00 pm-9:20 am

2 stops24h 20m

Chiang Mai

Tue 9/23

8:00 pm-3:05 pm

2 stops30h 05m

$1,045

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 9/1

7:20 am-10:20 am

2 stops40h 00m

Chiang Mai

Sun 9/7

11:20 am-8:00 am

2 stops31h 40m

$1,077

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sat 9/6

6:50 am-1:25 pm

2 stops43h 35m

Chiang Mai

Sun 9/14

2:55 pm-9:49 pm

2 stops41h 54m

$1,098

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 9/2

12:55 pm-9:55 pm

1 stop22h 00m

Chiang Mai

Tue 9/23

11:15 pm-11:44 pm

2 stops35h 29m

$1,102

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 9/1

1:40 am-9:45 am

1 stop21h 05m

Chiang Mai

Tue 9/23

10:30 am-11:00 pm

1 stop23h 30m

$1,124

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Thu 10/30

7:00 am-10:35 am

2 stops40h 35m

Chiang Mai

Tue 11/11

11:50 am-11:59 pm

2 stops48h 09m

$1,178

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 9/2

12:55 pm-9:55 pm

1 stop22h 00m

Chiang Mai

Tue 9/23

11:15 pm-10:10 am

1 stop21h 55m

$1,223

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 9/1

1:20 pm-9:20 am

2 stops33h 00m

Chiang Mai

Sun 9/7

2:35 pm-2:23 pm

3 stops34h 48m

$1,358

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 6/30

6:25 pm-11:00 pm

2 stops41h 35m

Chiang Mai

Sun 9/7

12:45 am-7:18 am

2 stops41h 33m

$1,693

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Thu 12/4

4:10 pm-5:55 am

1 stop25h 45m

Chiang Mai

Sun 12/14

7:45 pm-2:40 pm

2 stops30h 55m

$1,739

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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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, April is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $1,012). Flying from Boston to Chiang Mai in December is currently the most expensive (average of $1,655). 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 June 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 15% on your trip compared to booking a flight in the afternoon.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    Currently priced at $1,077, China Airlines will fly you from Boston to Chiang Mai and back. In addition to China Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and Delta - these airlines can fly you to your destination from $1,098 and $1,102, respectively. These flights start at 22% 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 Delta. According to our data, you can fly for as low as $931. Users have also found prices from $951 and $1,140 on Korean Air and Turkish Airlines, 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.

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

    Currently, April is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $1,012). Flying from Boston to Chiang Mai in December is currently the most expensive (average of $1,655). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$1,024Average$1,735FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,032Average$1,185FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,150Average$1,660FlexibilityNo cancel feeOn-timeN/A

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