How long is the flight from Boston to Kunming?

There are many flights that can get you from Boston to Kunming in 29h 10m. Fly via Hainan Airlines, Korean Air, or Air China to get the fastest option. The distance from Boston to Kunming is about 7754 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

$1,003+ 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 December 23, 2025.

Wed 12/316:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Thu 2/192:30 pmKMG - BOS

1 stop38h 50mHainan Airlines

Deal found 12/21

$1,003

Wed 12/316:10 pmBOS - KMG

2 stops41h 45mMultiple Airlines

Thu 2/198:20 amKMG - BOS

3 stops26h 17mMultiple Airlines

Deal found 12/22

$1,494

Sun 12/216:40 pmBOS - KMG

2 stops26h 35mMultiple Airlines

Thu 1/14:30 pmKMG - BOS

2 stops36h 50mMultiple Airlines

Deal found 12/21

$4,380

Sun 12/216:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Thu 1/12:30 pmKMG - BOS

1 stop38h 50mHainan Airlines

Deal found 12/21

$4,423

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 December 23, 2025.

Fri 1/96:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Wed 2/254:30 pmKMG - BOS

2 stops60h 50mHainan Airlines

Deal found 12/21

$1,242

Wed 2/256:40 pmBOS - KMG

2 stops29h 10mMultiple Airlines

Tue 3/31:00 pmKMG - BOS

2 stops45h 47mMultiple Airlines

Deal found 12/22

$1,254

Mon 1/198:50 pmBOS - KMG

2 stops36h 55mKorean Air

Fri 1/2311:55 pmKMG - BOS

1 stop21h 45mKorean Air

Deal found 12/22

$1,271

Thu 2/58:25 amBOS - KMG

2 stops51h 35mAir China

Thu 2/121:00 pmKMG - BOS

2 stops31h 21mAir China

Deal found 12/22

$1,362

Thu 2/58:20 pmBOS - KMG

2 stops39h 35mMultiple Airlines

Thu 2/128:20 amKMG - BOS

3 stops28h 38mMultiple Airlines

Deal found 12/22

$1,375

Mon 1/198:25 amBOS - KMG

2 stops38h 15mAir China

Fri 1/2310:10 pmKMG - BOS

2 stops36h 32mAir China

Deal found 12/20

$1,375

Last-minute flights from Boston to Kunming
Discover last-minute flight deals from Boston to Kunming. Data last updated December 23, 2025 and is based on user searches.

Wed 12/316:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Thu 2/192:30 pmKMG - BOS

1 stop38h 50mHainan Airlines

Deal found 12/21

$1,003

Wed 12/316:10 pmBOS - KMG

2 stops41h 45mMultiple Airlines

Thu 2/198:20 amKMG - BOS

3 stops26h 17mMultiple Airlines

Deal found 12/22

$1,494

Fri 1/96:40 pmBOS - KMG

2 stops29h 10mHainan Airlines

Wed 2/254:30 pmKMG - BOS

2 stops60h 50mHainan Airlines

Deal found 12/21

$1,242

Fri 1/98:50 pmBOS - KMG

2 stops36h 55mMultiple Airlines

Wed 2/2511:55 pmKMG - BOS

1 stop21h 45mMultiple Airlines

Deal found 12/21

$1,671

Mon 1/198:50 pmBOS - KMG

2 stops36h 55mKorean Air

Fri 1/2311:55 pmKMG - BOS

1 stop21h 45mKorean Air

Deal found 12/22

$1,271

Mon 1/198:25 amBOS - KMG

2 stops38h 15mAir China

Fri 1/234:15 pmKMG - BOS

2 stops42h 27mAir China

Deal found 12/22

$1,375

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 December 23, 2025.

Tue 2/107:30 amBOS - KMG

2 stops26h 40mMultiple Airlines

Deal found 12/21

$3,069

Tue 2/1011:00 amBOS - KMG

1 stop22h 45mKorean Air

Deal found 12/21

$11,940

Find flight deals from Boston to Kunming

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,078 (Trip.com)
Popular in	June
Cheapest in	November

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

Search Deals

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

Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Fri 1/9

6:40 pm-12:50 pm

2 stops29h 10m

Kunming Changshui

Wed 2/25

4:30 pm-4:20 pm

2 stops60h 50m

$1,242

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Wed 2/25

6:40 pm-12:50 pm

2 stops29h 10m

Kunming Changshui

Tue 3/3

1:00 pm-9:47 pm

2 stops45h 47m

$1,254

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Mon 1/19

8:50 pm-10:45 pm

2 stops36h 55m

Kunming Changshui

Fri 1/23

11:55 pm-8:40 am

1 stop21h 45m

$1,271

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Thu 2/5

8:25 am-1:00 am

2 stops51h 35m

Kunming Changshui

Thu 2/12

1:00 pm-7:21 am

2 stops31h 21m

$1,362

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Thu 2/5

8:20 pm-12:55 am

2 stops39h 35m

Kunming Changshui

Thu 2/12

8:20 am-11:58 pm

3 stops28h 38m

$1,375

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Mon 1/19

8:25 am-11:40 am

2 stops38h 15m

Kunming Changshui

Fri 1/23

10:10 pm-9:42 pm

2 stops36h 32m

$1,375

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Tue 2/10

7:30 am-11:10 pm

2 stops26h 40m

$3,069

BostonKunming

BOS - KMG

BOSKMG

Boston Logan Intl

Tue 2/10

11:00 am-10:45 pm

1 stop22h 45m

$11,940

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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

1,185 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

1,185 reviews

Korean Air

8.4

Very good

1,185 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 29h 10m. Fly via Hainan Airlines, Korean Air, or Air China to get the fastest option. The distance from Boston to Kunming is about 7754 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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$1,554	FlexibilityNo cancel fee	On-time81%

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$1,003+ Cheap flights from Boston (BOS) to Kunming (KMG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. 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 December 23, 2025.

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 December 23, 2025.

Find flight deals from Boston to Kunming

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

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 December 23, 2025.