BOS - CNX

฿17,184 Find Cheap Flights from Boston to Chiang Mai – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
฿32,550
Typical prices: ฿34,693-฿45,914
Korean Air, เอทิฮัดแอร์เวย์
Wed 24/10Wed 31/10
BOS - CNX • 1 stop
Cheapest one-way flight
฿17,184
Typical prices: ฿22,540-฿31,425
Korean Air
Sat 27/10
BOS - CNX • 1 stop
Direct flights
Not available
There are currently no direct flights between Boston and Chiang Mai. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 28% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Hong Kong Intl (HKG)
Cheapest • Avg ฿36,380 (return)
Incheon Intl (ICN)
Shortest trip • 22h 07m (one-way)
Insights
Insights
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We hope you enjoy your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Chiang Mai

Sat 24 Oct - Sat 31 Oct
Multiple Airlines Logo
12:55 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
22h 50m1 stop Incheon Intl
Multiple Airlines Logo
09:10 - 15:10CNX  Chiang Mai-BOS Boston Logan Intl
41h 00m1 stop Abu Dhabi Zayed Intl
฿32,550Multiple Airlines
Sun 29 Nov - Sun 13 Dec
Korean Air Logo
11:10 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
23h 35m1 stop Incheon Intl
Korean Air Logo
00:20 - 08:50CNX  Chiang Mai-BOS Boston Logan Intl
20h 30m1 stop Incheon Intl
฿32,947Korean Air
Thu 12 Nov - Fri 19 Feb
Korean Air Logo
11:10 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
23h 35m1 stop Incheon Intl
Korean Air Logo
00:20 - 07:24CNX  Chiang Mai-BOS Boston Logan Intl
43h 04m2 stops Incheon Intl New York John F Kennedy Intl
฿33,310Korean Air
Sun 29 Nov - Sun 13 Dec
Korean Air Logo
11:10 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
23h 35m1 stop Incheon Intl
Korean Air Logo
00:20 - 14:33CNX  Chiang Mai-BOS Boston Logan Intl
26h 13m2 stops Incheon Intl New York John F Kennedy Intl
฿33,310Korean Air
Thu 26 Nov - Mon 28 Dec
Korean Air Logo
14:55 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
43h 50m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
00:20 - 08:50CNX  Chiang Mai-BOS Boston Logan Intl
20h 30m1 stop Incheon Intl
฿33,508Korean Air
Thu 26 Nov - Mon 28 Dec
Korean Air Logo
17:20 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
41h 25m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
00:20 - 08:50CNX  Chiang Mai-BOS Boston Logan Intl
20h 30m1 stop Incheon Intl
฿33,541Korean Air
Thu 12 Nov - Fri 19 Feb
Korean Air Logo
21:35 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
37h 10m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
00:20 - 18:27CNX  Chiang Mai-BOS Boston Logan Intl
30h 07m2 stops Incheon Intl New York John F Kennedy Intl
฿33,674Korean Air
Thu 12 Nov - Fri 19 Feb
Korean Air Logo
13:37 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
45h 08m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
00:20 - 22:26CNX  Chiang Mai-BOS Boston Logan Intl
34h 06m2 stops Incheon Intl New York John F Kennedy Intl
฿33,674Korean Air
Thu 26 Nov - Mon 28 Dec
เดลต้า Logo
16:15 - 22:45BOS  Boston Logan Intl-CNX Chiang Mai
42h 30m2 stops Los Angeles Incheon Intl
เดลต้า Logo
00:20 - 08:50CNX  Chiang Mai-BOS Boston Logan Intl
20h 30m1 stop Incheon Intl
฿34,632เดลต้า
Thu 26 Nov - Tue 29 Dec
เอทิฮัดแอร์เวย์ Logo
15:40 - 06:05BOS  Boston Logan Intl-CNX Chiang Mai
26h 25m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
09:10 - 14:10CNX  Chiang Mai-BOS Boston Logan Intl
41h 00m1 stop Abu Dhabi Zayed Intl
฿39,721เอทิฮัดแอร์เวย์
Booking Insights

Price, demand, and travel trends for Boston to Chiang Mai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Boston to Chiang Mai with more confidence.

What's the cheapest day of the week to fly from Boston to Chiang Mai?

Monday is the cheapest day of the week to fly from Boston to Chiang Mai and is 29% cheaper than the average day. Sunday is the most expensive day with flight prices 22% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Boston to Chiang Mai flights

Low season

July

Cheapest flight

฿17,184
Best time to beat the crowds but there is an average 65% increase in price.
Most popular time to fly (34% more expensive on average)
Flights 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 return price

Your Boston to Chiang Mai flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Boston to Chiang Mai?

    Flights from Boston to Chiang Mai usually depart from Boston Logan Intl (BOS) and arrive at Chiang Mai (CNX).

  • Which cabin classes can I book on flights from Boston to Chiang Mai?

    Only Economy class is available on flights from Boston to Chiang Mai.

  • Which airports do connecting flights from Boston to Chiang Mai pass through?

    One-stop flights from Boston to Chiang Mai most commonly connect through:

    • Hong Kong Intl (HKG) – 60% of one-stop connections
    • Incheon Intl (ICN) – 37% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 3% of one-stop connections

    Hong Kong Intl (HKG) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boston to Chiang Mai?

    Yes. Being flexible with your travel dates can save you up to 42% on the Boston to Chiang Mai route. Monday is the cheapest departure day at ฿28,353 return on average, while Sunday is the most expensive at ฿48,379, a difference of ฿20,026. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Chiang Mai?

    Some of the most popular sights in Chiang Mai are Tha Phae Gate, Wat Jed Yot, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

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

    A direct flight from Boston to Chiang Mai takes 0h 00m, covering 21,132 km.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Boston to Chiang Mai looking right now?

    One-way fares from Boston to Chiang Mai are currently lower than usual. Average one-way flight prices are about ฿19,143, which is 27% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Boston to Chiang Mai?

    Flying via Incheon Intl (ICN) gives the shortest average 1-stop total travel time of 22h 07m, compared to 23h 46m via Hong Kong Intl (HKG) and 33h 47m via Abu Dhabi Zayed Intl (AUH).

  • What is the time difference between Boston and Chiang Mai?

    Chiang Mai is 11 hours ahead of Boston (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around ฿411 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Hertz
    • Yesaway

  • How much should I expect to pay for a Boston to Chiang Mai flight?

    Return flights from Boston to Chiang Mai range from ฿34,693 to ฿45,914, with an average of ฿39,614 over the past 12 months. Anything below ฿34,693 counts as a good deal.

Your guide to booking Boston to Chiang Mai flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average ฿28,353 – about ฿20,026 less than Sunday (41% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Chiang Mai trip for February. Fares historically average ฿28,353 return in that month – typically ฿37,143 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.
    - Le Naview @Prasingh
    - Bodhi Serene, Chiang Mai
    - 99 The Gallery Hotel

More options for your flight from Boston to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Car rentals in Chiang Mai
Hotels in Chiang Mai