$543+ Cheap flights from Boston (BOS) to Kansai Intl (KIX)
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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KIX
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Kansai Intl 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 Kansai Intl
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One-way
Cheapest flights from Boston to Kansai IntlExplore the most affordable flight options available from Boston to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Boston to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am -
1 stop22h 10m
Wed 1/277:25 am -
1 stop24h 10m
Deal found 9/21![Japan Airlines logo]()
$994
This Priceline deal was found by Cheapflights users on 9/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:30 pm -
2 stops36h 10m
Mon 12/73:20 pm -
2 stops36h 57m
Deal found 9/22![Air Canada logo]()
$996
This Air Canada deal was found by Cheapflights users on 9/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:45 am -
2 stops21h 55m
Tue 12/83:20 pm -
2 stops33h 02m
Deal found 9/22![Air Canada logo]()
$1,001
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop22h 10m
Mon 12/147:25 am -
1 stop24h 00m
Deal found 9/22![Japan Airlines logo]()
$1,017
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:13 am -
2 stops23h 12m
Sun 12/67:25 am -
2 stops22h 11m
Deal found 9/22![Japan Airlines logo]()
$1,031
This FlightHub deal was found by Cheapflights users on 9/22. 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.
Wed 12/25:30 am -
2 stops24h 55m
Mon 12/143:20 pm -
2 stops21h 17m
Deal found 9/22![Multiple Airlines logo]()
$1,034
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:15 am -
2 stops22h 35m
Wed 1/273:20 pm -
2 stops20h 08m
Deal found 9/21![ANA logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 9/22. 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.
Wed 12/27:00 am -
1 stop22h 10m
Mon 12/147:25 am -
1 stop24h 00m
Deal found 9/22![Japan Airlines logo]()
$1,048
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:33 pm -
2 stops31h 12m
Mon 1/256:35 pm -
2 stops19h 14m
Deal found 9/21![United Airlines logo]()
$1,050
Best flights from Boston to Kansai IntlDiscover carefully curated flight deals from Boston to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Boston to Kansai Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/87:41 pm -
2 stops31h 04m
Fri 2/126:35 pm -
2 stops19h 19m
Deal found 9/22![United Airlines logo]()
$1,072
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:35 am -
2 stops40h 10m
Tue 1/263:20 pm -
3 stops22h 29m
Deal found 9/22![United Airlines logo]()
$1,076
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:45 pm -
2 stops33h 00m
Thu 1/143:20 pm -
3 stops22h 29m
Deal found 9/23![United Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/115:30 am -
1 stop21h 15m
Tue 2/236:35 pm -
1 stop27h 48m
Deal found 9/18![United Airlines logo]()
$1,263
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:17 pm -
2 stops33h 28m
Mon 12/76:35 pm -
1 stop27h 22m
Deal found 9/21![United Airlines logo]()
$1,291
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/138:15 pm -
1 stop30h 30m
Sat 2/206:35 pm -
2 stops25h 23m
Deal found 9/19![United Airlines logo]()
$1,302
Last-minute flights from Boston to Kansai IntlDiscover last-minute flight deals from Boston to Kansai Intl. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kansai Intl. Data last updated September 23, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:45 am -
1 stop42h 05m
Thu 10/19:00 pm -
2 stops32h 21m
Deal found 9/22![ANA logo]()
$1,292
This Justfly.com deal was found by Cheapflights users on 9/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:45 am -
1 stop42h 05m
Mon 10/126:45 am -
2 stops28h 14m
Deal found 9/18![ANA logo]()
$1,231
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:43 pm -
2 stops31h 07m
Mon 10/124:55 pm -
2 stops31h 06m
Deal found 9/18![United Airlines logo]()
$1,237
This Justfly.com deal was found by Cheapflights users on 9/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm -
2 stops56h 35m
Thu 10/86:00 pm -
2 stops33h 41m
Deal found 9/18![Air Canada logo]()
$1,156
This Korean Air deal was found by Cheapflights users on 9/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:55 pm -
1 stop39h 10m
Mon 10/1212:35 pm -
1 stop34h 35m
Deal found 9/19![Korean Air logo]()
$1,175
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:40 am -
2 stops40h 45m
Wed 10/216:00 pm -
1 stop28h 55m
Deal found 9/22![Air Canada logo]()
$1,246
This China Airlines deal was found by Cheapflights users on 9/22. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:20 pm -
2 stops27h 40m
Fri 10/237:05 pm -
2 stops34h 10m
Deal found 9/22![Multiple Airlines logo]()
$1,300
This Justfly.com deal was found by Cheapflights users on 9/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:55 pm -
1 stop34h 30m
Mon 11/27:25 pm -
2 stops28h 38m
Deal found 9/20![Air Canada logo]()
$1,239
This Air Canada deal was found by Cheapflights users on 9/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop21h 25m
Tue 11/33:20 pm -
2 stops21h 17m
Deal found 9/20![Multiple Airlines logo]()
$1,296
This oojo deal was found by Cheapflights users on 9/18. 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.
Fri 10/2311:55 pm -
1 stop23h 40m
Fri 10/302:35 pm -
1 stop20h 25m
Deal found 9/18![Hainan Airlines logo]()
$1,257
One-way flights from Boston to Kansai IntlSearch for one-way flight options from Boston to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Boston to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:50 am -
3 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:25 pm -
3 stops49h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:25 pm -
3 stops49h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:13 am -
3 stops43h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:13 am -
3 stops44h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:25 pm -
3 stops49h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/215:25 pm -
3 stops49h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/131:15 pm -
3 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:25 pm -
3 stops38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$621
This oojo deal was found by Cheapflights users on 9/20. 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.
Wed 1/1310:55 pm -
1 stop23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Hainan Airlines logo]()
$648
Find flight deals from Boston to Kansai Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kansai Intl (KIX). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $994 (Cheapflightsfares) |
One-way from | $543 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,289 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Kansai Intl 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Boston to Osaka Kansai Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sat 2/13
6:35 pm-5:40 pm
2 stops33h 05m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$649
Quickest round-trip
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Tue 10/20
6:00 am-4:25 pm
1 stop21h 25m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$654
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 2/14
5:30 am-5:40 pm
2 stops22h 10m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$659
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Tue 11/3
11:10 am-5:00 pm
1 stop39h 50m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$709
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sat 2/13
8:00 pm-7:10 pm
1 stop33h 10m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$765
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 2/21
6:00 am-7:30 pm
3 stops47h 30m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,027
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Mon 2/8
7:41 pm-4:45 pm
2 stops31h 04m
Osaka Kansai Intl
Fri 2/12
6:35 pm-11:54 pm
2 stops19h 19m
$1,072
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Fri 1/15
10:35 am-4:45 pm
2 stops40h 10m
Osaka Kansai Intl
Tue 1/26
3:20 pm-11:49 pm
3 stops22h 29m
$1,076
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 12/13
9:30 pm-2:00 pm
2 stops50h 30m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,093
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Mon 1/11
5:45 pm-4:45 pm
2 stops33h 00m
Osaka Kansai Intl
Thu 1/14
3:20 pm-11:49 pm
3 stops22h 29m
$1,175
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Boston to Kansai Intl
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 Kansai Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Osaka Kansai Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Osaka Kansai Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Osaka Kansai Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Osaka Kansai Intl Airport 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-Osaka Kansai Intl Airport 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 Kansai Intl
Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Boston with our price prediction graph.
BOS-KIX
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 Osaka Kansai Intl Airport
What is the cheapest month to book a flight from Boston to Osaka Kansai Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Boston to Osaka Kansai Intl Airport (average of $1,034). Flying from Boston to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,917). 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.
How much does it cost to fly round-trip from Boston to Osaka Kansai Intl Airport?
Airfare is below average for this route at the moment.
Boston to Osaka Kansai Intl Airport flights typically cost between $1,158 and $1,594 in December.The cheapest round-trip price found within the last 5 days was $994 on Japan Airlines (Dec 9-Jan 27).
Reviews of airlines servicing Kansai Intl
Get insights into the airlines that provide service to Kansai Intl. 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 Kansai Intl. Reviews last updated September 23, 2026.
Get a feel of what it's like to fly with ANA,Cathay Pacific, andUnited Airlines from Boston to Osaka Kansai Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.3
Boarding
8.5
Comfort
8.2
Food
7.8
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Overall
8.3
Boarding
8.5
Comfort
8.2
Food
7.8
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Overall
8.3
Boarding
8.5
Comfort
8.2
Food
7.8
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Overall
8.3
Boarding
8.5
Comfort
8.2
Food
7.8
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Related info for your journey
Find useful and relevant information for your journey from Boston to Kansai Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Osaka Kansai Intl Airport?
Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locationsNara
Izumisano
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Find flights from Boston to Kansai Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Kansai Intl
Explore flights to Kansai Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Boston and Kansai Intl flights
Browse other Boston and Kansai Intl flight options. Last updated on September 23, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
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Top 3 airlines flying from Boston to Kansai Intl
Discover the top 3 airlines that operate flights from Boston to Kansai Intl. 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$837 | Average$1,512 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$920 | Average$1,380 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$941 | Average$1,291 | FlexibilityNo cancel fee | On-time72% |