BOS - CNX

$558 Find Cheap Flights from Boston to Chiang Mai - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Chiang Mai departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Chiang Mai

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Chiang Mai, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Chiang Mai, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$979
Typical prices: $1,392-$1,053
Korean Air
Thu 11/12Sun 11/15
BOS - CNX • 1 stop
Cheapest one-way
$558
Typical prices: $679-$1,032
Korean Air
Sun 11/8
BOS - CNX • 1 stop
Top airlines
Cheapest • from $979 (round-trip)
Best reviews • 8.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Boston and Chiang Mai. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $1,155 (round-trip)
Shortest trip • 21h 56m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Chiang Mai (BOS-CNX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Chiang Mai that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Chiang Mai

Thu, Nov 12 - Sun, Nov 15
Korean Air Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m
1 stop
Korean Air Logo
12:15 am - 6:27 pm
CNX
-
BOS
30h 12m
2 stops
$979Korean Air
Thu, Nov 12 - Sun, Nov 15
Korean Air Logo
6:00 am - 10:55 pm
BOS
-
CNX
28h 55m
2 stops
Korean Air Logo
12:15 am - 7:24 am
CNX
-
BOS
43h 09m
2 stops
$985Korean Air
Mon, Nov 30 - Tue, Dec 29
Delta Logo
6:00 am - 10:55 pm
BOS
-
CNX
28h 55m
2 stops
Delta Logo
12:15 am - 1:47 pm
CNX
-
BOS
25h 32m
2 stops
$1,029Delta
Thu, Nov 12 - Sun, Mar 21
Delta Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m
1 stop
Delta Logo
12:15 am - 6:31 pm
CNX
-
BOS
29h 16m
2 stops
$1,072Delta
Thu, Nov 12 - Sun, Mar 21
Delta Logo
5:45 am - 10:55 pm
BOS
-
CNX
29h 10m
2 stops
Delta Logo
12:15 am - 6:31 pm
CNX
-
BOS
29h 16m
2 stops
$1,076Delta
Thu, Nov 12 - Sun, Nov 15
Korean Air Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m
1 stop
Korean Air Logo
12:15 am - 8:40 am
CNX
-
BOS
20h 25m
1 stop
$1,112Korean Air
Thu, Nov 12 - Sun, Nov 15
Korean Air Logo
6:00 am - 10:55 pm
BOS
-
CNX
28h 55m
2 stops
Korean Air Logo
12:15 am - 8:40 am
CNX
-
BOS
20h 25m
1 stop
$1,118Korean Air
Thu, Nov 12 - Fri, Feb 19
Delta Logo
11:00 am - 10:55 pm
BOS
-
CNX
23h 55m
1 stop
Delta Logo
12:15 am - 12:20 am
CNX
-
BOS
36h 05m
2 stops
$1,122Delta
Thu, Nov 12 - Fri, Feb 19
Delta Logo
6:00 am - 10:55 pm
BOS
-
CNX
28h 55m
2 stops
Delta Logo
12:15 am - 12:20 am
CNX
-
BOS
36h 05m
2 stops
$1,126Delta
Fri, Sep 4 - Fri, Sep 18
China Eastern Logo
6:25 am - 1:25 pm
BOS
-
CNX
44h 00m
2 stops
China Eastern Logo
2:55 pm - 9:08 pm
CNX
-
BOS
41h 13m
2 stops
$1,151China Eastern
Booking Insights

KAYAK's insights & trends for Boston to Chiang Mai flights

Get data-powered insights and trends into flights from Boston to Chiang Mai to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Chiang Mai?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Chiang Mai departing in November.

What is the cheapest month to fly from Boston to Chiang Mai?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Chiang Mai, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Chiang Mai is September, where tickets cost $0 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $1,956 and $1,805 respectively.

Good to know

Low seasonFebruary
Cheapest flight$558
Best time to beat the crowds with an average 38% drop in price.
Most popular time to fly and prices are also 38% lower on average.
Flight from Boston to Chiang Mai

When to book flights from Boston to Chiang Mai

Are your dates flexible? Find out the best times to travel from Boston to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Chiang Mai

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

    In the last 5 days, the lowest price for a flight from Boston to Chiang Mai was $558 for a one-way ticket and $979 for a round-trip.

  • Do I need a passport to fly between Boston and Chiang Mai?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Boston and on arrival in Chiang Mai.

  • Which airports will I be using when flying from Boston to Chiang Mai?

    Boston airport is called Boston Logan Intl and the only airport in Chiang Mai is Chiang Mai.

  • Which aircraft models fly most regularly from Boston to Chiang Mai?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Chiang Mai?

    SkyTeam, and oneworld are the airline alliances operating flights between Boston and Chiang Mai, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Boston to Chiang Mai, Korean Air or Cathay Pacific?

    The two airlines most popular with KAYAK users for flights from Boston to Chiang Mai are Korean Air and Cathay Pacific. With an average price for the route of $1,391 and an overall rating of 8.4, Korean Air is the most popular choice. Cathay Pacific is also a great choice for the route, with an average price of $910 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Boston to Chiang Mai?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Chiang Mai.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Chiang Mai?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chiang Mai from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Chiang Mai?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chiang Mai with an airline and back to Boston with another airline. Booking your flights between Boston and CNX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Chiang Mai?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chiang Mai from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Boston to Chiang Mai

 
See real verified KAYAK customer reviews for airlines flying from Boston to Chiang Mai. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Chiang Mai? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1218 reviews
8.2Entertainment
8.7Crew
8.3Comfort
8.1Food
8.5Boarding
Airline reviews

AAAAHHHH... It was shocking in a very positive way, the attention to detail, the courtesy, the manners of all personnel on board, the constant honest smiling. You can see and feel they take pride in all they do no matter how trivial. The plane in general was very comfortable. I can't wait to do it again

8.0 ExcellentCarlos J, Apr 2026
TPA - ATL
Read more Korean Air reviews

AAAAHHHH... It was shocking in a very positive way, the attention to detail, the courtesy, the manners of all personnel on board, the constant honest smiling. You can see and feel they take pride in all they do no matter how trivial. The plane in general was very comfortable. I can't wait to do it again

Lousy entertainment system. Crews are excellent. Meal is just mediocre.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

They were trying to get people to check luggage because the over head compartments were full but when we boarded there were lots of empty places that people could have put the luggage.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I was unable to select decent seats, and so I was stuck in the middle seat because it was selected for me

There was a lot of partial tv shows but not enough to last the flight. The food was incredible! The crew were so helpful and patient. Lots more space than what I usually get on an international flight. Very comfortable!

Stingy on the drinks - 15 hour direct flight and could barely get attention for some water

The service was better on this flight from the long haul one, but still very poor from The Cathay Pacific of the past.

The plane was dirty, the seats were torn and broken, the service was the most terrible ever, the bathroom dirty, they will not even serve water you had to request it, the meals were terrible, overall less than Zero, I will never fly Cathay Pacific again.

Despite the crew's rough day, they were all very focused and friendly. The flight was too short for a meal, so no rating on that. Re. the AA app. It still isn't ready for prime time. AA works with Cathy Pacific for international flights to LA and the Aa jump to PHX. But the AA app can't find my trip and this can be problematic with flight delays and regatings at LAX.

Was not able to board flight because boarding pass name did not match passport name and no one caught it.

Had a bad experience with crew member coming back Hong Kong to la the person next to me one of the passenger have taken video and picture of crew member the person that served meal young kid late 20' s 6 5'10 had attitude at his peak anything I asked for I don't know if it was bad day or racial I felt humiliated as people could see difference towards me I no problem with Cathy and my whole family never had one was very disappointed

Frequently flyer number should and could have been put on at the time of booking as I gave the number when booking.

Very attentive crews Flight was very smooth and safe Only little disappointment was the slight delay of departure (~30 minutes ) which rarely happen with CX flights

Not at all satisfactory. I had stomach upsets after taking food. Quality of Asian vegetarian meal was awful. Further there was no snacks/ fruits/ biscuits available as in between snacks.. only peanuts and pitzels.. except courteous staff rest of my experience was far from satisfactory

Staff was very courteous. Plane was clean and quite spacious even in the last rows. Veg food could have been better.

Later on, when there was no more bottled water, the water we received had a strong chlorine/disinfectant odor. On my flight from Hong Kong to Los Angeles, there was a male flight attendant who had a mean attitude throughout the whole trip, and he was very impatient during meal service “Furthermore, we purchased a Hong Kong SIM card as part of our flight package, but we received no instructions—neither by email nor SMS—on how to activate or use it. Consequently, we were unable to use the service at all. We request a full refund, as this appears to be a deceptive charge

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

Information on your arrival and departure airports