How long is the flight from Boston to Kunming?

There are many flights that can get you from Boston to Kunming in 44h 40m. Fly via Air China to get the fastest option. The distance from Boston to Kunming is about 7754 mi.

What is the cheapest airline to fly from Boston to Kunming round-trip?

Korean Air, at $754, was found to be the cheapest airline from Boston to Kunming.. Korean Air is currently priced 53% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Kunming ranges from 0.4 - 7.9 inches per month. July is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Kunming when rainfall is around 0.4 in.

If weather is an important factor for your trip to Kunming, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from BOS to KMG?

When flying from Boston to Kunming, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Boston-Kunming flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Kunming flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Kunming flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Kunming 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-Kunming flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Boston to Kunming that include hotel bookings?

Yes. In addition to deals on Boston to Kunming flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Kunming?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kunming.

Can I find deals for business class flights from Boston to Kunming?

Yes. Cheapflights offers flight deals from Boston to Kunming by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$872+ Flights from Boston to Kunming

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Cheap flight deals from Boston to Kunming

Cheapest flights from Boston to Kunming
Explore the most affordable flight options available from Boston to Kunming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

Wed 12/316:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Thu 2/192:30 pmKMG - BOS

1 stop38h 50mHainan Airlines

Deal found 12/29

$1,030

Wed 12/316:10 pmBOS - KMG

3 stops57h 55mMultiple Airlines

Thu 2/198:20 amKMG - BOS

3 stops28h 38mMultiple Airlines

Deal found 12/31

$1,391

Best flights from Boston to Kunming
Discover carefully curated flight deals from Boston to Kunming that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 1, 2026.

Sun 2/18:40 pmBOS - KMG

2 stops39h 00mMultiple Airlines

Sat 2/1412:30 amKMG - BOS

2 stops50h 50mMultiple Airlines

Deal found 12/29

$1,142

Thu 1/228:25 amBOS - KMG

2 stops44h 40mAir China

Mon 1/2611:20 amKMG - BOS

2 stops33h 01mAir China

Deal found 12/28

$1,180

Thu 1/2211:00 amBOS - KMG

1 stop22h 45mKorean Air

Mon 1/2611:55 pmKMG - BOS

1 stop21h 45mKorean Air

Deal found 12/28

$1,205

Last-minute flights from Boston to Kunming
Discover last-minute flight deals from Boston to Kunming. Data last updated January 1, 2026 and is based on user searches.

Fri 1/96:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Wed 2/254:30 pmKMG - BOS

2 stops60h 50mHainan Airlines

Deal found 12/31

$1,237

Fri 1/98:50 pmBOS - KMG

2 stops36h 55mMultiple Airlines

Wed 2/2511:55 pmKMG - BOS

1 stop21h 45mMultiple Airlines

Deal found 12/29

$1,671

One-way flights from Boston to Kunming
Search for one-way flight options from Boston to Kunming. Find affordable one-way fares based on user searches. Data last updated January 1, 2026.

Fri 6/196:40 pmBOS - KMG

2 stops28h 55mHainan Airlines

Deal found 12/29

$872

Sun 6/219:50 pmBOS - KMG

3 stops49h 35mMultiple Airlines

Deal found 12/29

$907

Wed 6/176:05 pmBOS - KMG

3 stops40h 30mMultiple Airlines

Deal found 12/29

$919

Sat 6/208:05 pmBOS - KMG

3 stops56h 50mMultiple Airlines

Deal found 12/29

$976

Thu 6/188:05 pmBOS - KMG

3 stops51h 20mMultiple Airlines

Deal found 12/29

$1,059

Fri 6/198:05 pmBOS - KMG

3 stops51h 20mMultiple Airlines

Deal found 12/29

$1,093

Sat 6/2012:55 pmBOS - KMG

1 stop21h 15mKorean Air

Deal found 12/29

$1,152

Fri 6/196:30 amBOS - KMG

2 stops30h 45mChina Eastern

Deal found 12/29

$1,193

Thu 6/1812:55 pmBOS - KMG

1 stop21h 15mKorean Air

Deal found 12/29

$1,217

Find flight deals from Boston to Kunming

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,132 (Trip.com)
One-way from	$872 (Trip.com)
Popular in	June
Cheapest in	November
Average price	$1,254

Provider with most accurate pricing for Boston Logan Intl-Kunming Changshui flight deals.

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Provider most trusted by Cheapflights users for Boston Logan Intl-Kunming Changshui flights.

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From Boston Logan Intl to Kunming Changshui

Search Deals

One-way flight from Boston Logan Intl to Kunming Changshui

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($446 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Sun 2/1

8:40 pm-12:40 am

2 stops39h 00m

Kunming Changshui

Sat 2/14

12:30 am-2:20 pm

2 stops50h 50m

$1,142

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Thu 1/22

8:25 am-6:05 pm

2 stops44h 40m

Kunming Changshui

Mon 1/26

11:20 am-7:21 am

2 stops33h 01m

$1,180

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Thu 1/22

11:00 am-10:45 pm

1 stop22h 45m

Kunming Changshui

Mon 1/26

11:55 pm-8:40 am

1 stop21h 45m

$1,205

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Fri 6/19

6:40 pm-11:35 am

2 stops28h 55m

$872

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Sun 6/21

9:50 pm-11:25 am

3 stops49h 35m

$907

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Wed 6/17

6:05 pm-10:35 pm

3 stops40h 30m

$919

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Sat 6/20

8:05 pm-4:55 pm

3 stops56h 50m

$976

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Fri 6/19

8:05 pm-11:25 am

3 stops51h 20m

$1,093

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Sat 6/20

12:55 pm-10:10 pm

1 stop21h 15m

$1,152

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Fri 6/19

6:30 am-1:15 am

2 stops30h 45m

$1,193

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 13 results

Most accurate provider: When it comes to deals on Boston-Kunming flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Kunming flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Kunming flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boston-Kunming 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-Kunming 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 Kunming

Have a flexible travel schedule? Discover the best time to fly to Kunming 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.

Reviews of airlines servicing Kunming

Read through reviews of airlines operating flights from Boston to Kunming, such as Korean Air. 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

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,184 reviews

Korean Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

How long is the flight from Boston to Kunming?
There are many flights that can get you from Boston to Kunming in 44h 40m. Fly via Air China to get the fastest option. The distance from Boston to Kunming is about 7754 mi.
What is the cheapest airline to fly from Boston to Kunming round-trip?
Korean Air, at $754, was found to be the cheapest airline from Boston to Kunming.. Korean Air is currently priced 53% below the average price you’ll pay for this route.
Can I find deals for flights from Boston to Kunming that include hotel bookings?
Yes. In addition to deals on Boston to Kunming flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Kunming?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kunming.
Can I find deals for business class flights from Boston to Kunming?
Yes. Cheapflights offers flight deals from Boston to Kunming 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

Complete your trip

Kunming car rentals

Kunming Changshui Airport car rentals

Chenggong car rentals

Top airline flying from Boston to Kunming

Airline	Cheapest	Average	Flexibility	On-time
Korean Air	Cheapest$754	Average$1,456	FlexibilityNo cancel fee	On-time81%

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$872+ Cheap flights from Boston (BOS) to Kunming (KMG)

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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Kunming with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Kunming

Cheapest flights from Boston to KunmingExplore the most affordable flight options available from Boston to Kunming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

Explore the most affordable flight options available from Boston to Kunming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

Find flight deals from Boston to Kunming

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Kunming that are best for you.

Best time to book a flight from Boston to Kunming

Have a flexible travel schedule? Discover the best time to fly to Kunming from Boston with our price prediction graph.

Reviews of airlines servicing Kunming

Read through reviews of airlines operating flights from Boston to Kunming, such as Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Kunming. 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 Kunming?

What is the cheapest airline to fly from Boston to Kunming round-trip?

Can I find deals for flights from Boston to Kunming that include hotel bookings?

How can I find direct flights from Boston to Kunming?

Can I find deals for business class flights from Boston to Kunming?

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.

Complete your trip

Complete your trip to Kunming by adding a car rental and/or hotel reservation to your travel itinerary.

Top airline flying from Boston to Kunming

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Book with Flexibility

Travel Smart

Cheapest flights from Boston to Kunming
Explore the most affordable flight options available from Boston to Kunming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.