HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$501+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CNX
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Chiang Mai with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,059
(Gurufare)

One-way from

$501
(oojo)

Popular in

June

Cheapest in

October

Average price

$1,261
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 ($434 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 27, 2025.

This Orbitz deal was found by Cheapflights users on 3/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amBOS - CNX
2 stops29h 05mKorean Air
Sun 11/303:20 pmCNX - BOS
2 stops52h 01mKorean Air
Deal found 3/26$1,031
This Gurufare deal was found by Cheapflights users on 3/26. 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.
Sun 9/141:40 amBOS - CNX
1 stop21h 05mCathay Pacific
Tue 9/307:25 pmCNX - BOS
1 stop38h 35mCathay Pacific
Deal found 3/26$1,059
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:00 pmBOS - CNX
2 stops26h 15mMultiple Airlines
Tue 9/308:00 pmCNX - BOS
2 stops30h 05mMultiple Airlines
Deal found 3/26$1,063
This Delta deal was found by Cheapflights users on 3/26. 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.
Sun 10/197:10 amBOS - CNX
2 stops27h 45mDelta
Thu 10/3012:15 amCNX - BOS
2 stops33h 36mDelta
Deal found 3/26$1,152
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/104:30 pmBOS - CNX
2 stops53h 50mEtihad Airways
Wed 5/78:00 pmCNX - BOS
2 stops29h 55mEtihad Airways
Deal found 3/26$1,285
This Emirates deal was found by Cheapflights users on 3/26. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1211:05 pmBOS - CNX
2 stops33h 05mEmirates
Wed 5/142:35 pmCNX - BOS
2 stops58h 35mEmirates
Deal found 3/26$1,332
This StudentUniverse deal was found by Cheapflights users on 3/26. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:50 pmBOS - CNX
3 stops38h 20mLufthansa
Tue 9/308:00 pmCNX - BOS
2 stops32h 40mLufthansa
Deal found 3/26$3,081
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Thu 11/68:00 pmBOS - CNX
2 stops30h 45mTurkish Airlines
Thu 11/209:05 pmCNX - BOS
2 stops33h 00mTurkish Airlines
Deal found 3/26$4,938
This AranGrant deal was found by Cheapflights users on 3/26. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 amBOS - CNX
2 stops43h 50mChina Eastern
Sat 11/224:25 pmCNX - BOS
3 stops38h 23mChina Eastern
Deal found 3/26$8,859

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 March 27, 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 9/14

1:40 am-9:45 am

1 stop21h 05m

Chiang Mai

Tue 9/30

7:25 pm-11:00 pm

1 stop38h 35m

$1,059

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 9/15

10:00 pm-11:15 am

2 stops26h 15m

Chiang Mai

Tue 9/30

8:00 pm-3:05 pm

2 stops30h 05m

$1,063

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Thu 4/10

4:30 pm-9:20 am

2 stops53h 50m

Chiang Mai

Wed 5/7

8:00 pm-2:55 pm

2 stops29h 55m

$1,285

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Sat 4/12

11:05 pm-7:10 pm

2 stops33h 05m

Chiang Mai

Wed 5/14

2:35 pm-2:10 pm

2 stops58h 35m

$1,332

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Fri 5/2

12:55 pm-9:55 pm

1 stop22h 00m

Chiang Mai

Sun 5/11

11:15 pm-11:56 pm

2 stops35h 41m

$1,507

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Fri 5/2

12:55 pm-9:55 pm

1 stop22h 00m

Chiang Mai

Sun 5/11

11:15 pm-10:20 am

1 stop22h 05m

$1,601

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Mon 9/15

5:50 pm-7:10 pm

3 stops38h 20m

Chiang Mai

Tue 9/30

8:00 pm-5:40 pm

2 stops32h 40m

$3,081

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Tue 4/8

12:55 pm-9:55 pm

1 stop22h 00m

$501

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 7/30

6:55 pm-5:50 pm

3 stops59h 55m

$553

BostonChiang Mai

BOS - CNX

BOSCNX

Boston Logan Intl

Wed 9/17

1:40 am-6:40 pm

1 stop30h 00m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 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 March.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Chiang Mai flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, February is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $1,015). Flying from Boston to Chiang Mai in December is currently the most expensive (average of $1,678). 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 March 27, 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 March 27, 2025.
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,050 reviews
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,189 reviews
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,895 reviews
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.5
Good
835 reviews
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Etihad Airways
7.4
Good
1,180 reviews
Korean Air
8.4
Very good
1,050 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 $1,059, 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 Etihad Airways and Emirates - these airlines can fly you to your destination from $1,285 and $1,332, respectively. These flights start at 24% 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 $501. Users have also found prices from $853 and $2,699 on Cathay Pacific and Lufthansa, 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, February is the cheapest month in which you can book a flight from Boston to Chiang Mai (average of $1,015). Flying from Boston to Chiang Mai in December is currently the most expensive (average of $1,678). 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

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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$1,024Average$1,386FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,032Average$1,217FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,149Average$1,660FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.