$553+ Cheap flights from Boston (BOS) to Kansai Intl (KIX)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KIX
Sep 18 — Sep 251
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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Best
Last-minute
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 August 19, 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 August 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 11/171:28 pm -
2 stops28h 52m
Tue 12/13:00 pm -
2 stops22h 47m
Deal found 8/14![Japan Airlines logo]()
$1,142
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:45 am -
1 stop42h 05m
Mon 9/284:55 pm -
1 stop19h 02m
Deal found 8/19![ANA logo]()
$1,144
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Sun 11/227:14 am -
2 stops49h 01m
Tue 12/19:05 pm -
1 stop34h 20m
Deal found 8/16![Japan Airlines logo]()
$1,145
This Korean Air deal was found by Cheapflights users on 8/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:55 pm -
1 stop18h 50m
Sat 10/36:15 pm -
1 stop28h 55m
Deal found 8/18![Korean Air logo]()
$1,146
This KAYAK deal was found by Cheapflights users on 8/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:01 pm -
1 stop32h 44m
Sun 11/228:20 am -
2 stops24h 37m
Deal found 8/16![ANA logo]()
$1,156
This KAYAK deal was found by Cheapflights users on 8/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:45 am -
1 stop42h 05m
Thu 10/14:55 pm -
1 stop19h 02m
Deal found 8/18![ANA logo]()
$1,158
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/123:13 pm -
2 stops28h 27m
Sat 9/199:00 pm -
2 stops39h 30m
Deal found 8/15![ANA logo]()
$1,162
This FlightHub deal was found by Cheapflights users on 8/14. 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 9/910:30 am -
2 stops22h 25m
Thu 9/172:45 pm -
2 stops21h 43m
Deal found 8/14![Japan Airlines logo]()
$1,168
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/129:30 pm -
2 stops35h 25m
Sat 9/195:45 pm -
1 stop18h 43m
Deal found 8/15![Japan Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 11/46:01 pm -
1 stop32h 44m
Sat 11/216:35 pm -
1 stop25h 31m
Deal found 8/16![United Airlines logo]()
$1,170
This Justfly.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/17:45 am -
1 stop42h 05m
Thu 10/14:55 pm -
1 stop19h 02m
Deal found 8/17![ANA logo]()
$1,171
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:42 pm -
2 stops31h 08m
Sat 9/194:55 pm -
2 stops27h 58m
Deal found 8/18![United Airlines logo]()
$1,172
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 August 19, 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 August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/65:01 pm -
2 stops32h 49m
Sat 9/194:55 pm -
1 stop26h 07m
Deal found 8/18![United Airlines logo]()
$1,168
This Japan Airlines deal was found by Cheapflights users on 8/14. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am -
2 stops25h 55m
Thu 9/176:40 am -
2 stops23h 15m
Deal found 8/14![Japan Airlines logo]()
$1,202
This China Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 10/37:20 pm -
2 stops28h 30m
Mon 10/127:05 pm -
2 stops33h 07m
Deal found 8/15![Multiple Airlines logo]()
$1,266
This China Airlines deal was found by Cheapflights users on 8/18. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:59 pm -
2 stops28h 51m
Sun 10/187:05 pm -
2 stops25h 21m
Deal found 8/18![Multiple Airlines logo]()
$1,300
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/286:00 am -
1 stop19h 50m
Mon 8/314:55 pm -
1 stop19h 04m
Deal found 8/14![United Airlines logo]()
$1,317
Last-minute flights from Boston to Kansai IntlDiscover last-minute flight deals from Boston to Kansai Intl. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kansai Intl. Data last updated August 19, 2026 and is based on user searches.
This Korean Air deal was found by Cheapflights users on 8/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:55 pm -
1 stop18h 50m
Sat 10/36:15 pm -
1 stop28h 55m
Deal found 8/18![Korean Air logo]()
$1,146
This KAYAK deal was found by Cheapflights users on 8/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:45 am -
1 stop42h 05m
Thu 10/14:55 pm -
1 stop19h 02m
Deal found 8/18![ANA logo]()
$1,158
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:45 am -
1 stop42h 05m
Mon 9/284:55 pm -
1 stop19h 02m
Deal found 8/19![ANA logo]()
$1,144
This Justfly.com deal was found by Cheapflights users on 8/16. 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.
Tue 9/17:45 am -
1 stop42h 05m
Thu 10/14:55 pm -
1 stop19h 02m
Deal found 8/16![ANA logo]()
$1,171
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/45:01 pm -
2 stops32h 49m
Tue 9/84:55 pm -
2 stops20h 04m
Deal found 8/19![United Airlines logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 9/66:42 pm -
2 stops31h 08m
Sat 9/194:55 pm -
2 stops27h 58m
Deal found 8/18![United Airlines logo]()
$1,172
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 9/97:00 am -
2 stops24h 50m
Thu 9/172:45 pm -
2 stops21h 43m
Deal found 8/16![Japan Airlines logo]()
$1,142
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/123:13 pm -
2 stops28h 27m
Sat 9/199:00 pm -
2 stops39h 30m
Deal found 8/15![ANA logo]()
$1,162
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/129:30 pm -
2 stops35h 25m
Sat 9/195:45 pm -
1 stop18h 43m
Deal found 8/15![Japan Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/152:00 pm -
1 stop35h 50m
Sat 9/264:55 pm -
1 stop19h 02m
Deal found 8/17![United Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/186:00 am -
1 stop19h 50m
Mon 9/214:55 pm -
1 stop19h 04m
Deal found 8/17![United Airlines logo]()
$1,185
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 August 19, 2026.
Search for one-way flight options from Boston to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This SmartFares deal was found by Cheapflights users on 8/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:55 pm -
1 stop23h 40m
Deal found 8/16![Hainan Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:35 pm -
3 stops54h 10m
Deal found 8/18![Multiple Airlines logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 pm -
1 stop23h 40m
Deal found 8/18![Hainan Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:55 pm -
1 stop23h 40m
Deal found 8/18![Hainan Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 11/412:35 pm -
3 stops35h 10m
Deal found 8/16![Multiple Airlines logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/136:30 pm -
3 stops37h 20m
Deal found 8/16![Multiple Airlines logo]()
$659
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 am -
2 stops41h 00m
Deal found 8/18![China Eastern logo]()
$671
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:09 pm -
2 stops58h 36m
Deal found 8/18![Multiple Airlines logo]()
$681
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 pm -
2 stops28h 10m
Deal found 8/17![Multiple Airlines logo]()
$683
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,142 (Cheapflightsfares) |
One-way from | $553 (SmartFares) |
Popular in | June |
Cheapest in | January |
Average price | $1,380 |
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 August 19, 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
Sun 9/6
5:01 pm-2:50 pm
2 stops32h 49m
Osaka Kansai Intl
Sat 9/19
4:55 pm-6:02 am
1 stop26h 07m
$1,168
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 9/13
7:00 am-9:55 pm
2 stops25h 55m
Osaka Kansai Intl
Thu 9/17
6:40 am-4:55 pm
2 stops23h 15m
$1,202
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sat 10/3
7:20 pm-12:50 pm
2 stops28h 30m
Osaka Kansai Intl
Mon 10/12
7:05 pm-3:12 pm
2 stops33h 07m
$1,266
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sat 10/10
6:59 pm-12:50 pm
2 stops28h 51m
Osaka Kansai Intl
Sun 10/18
7:05 pm-7:26 am
2 stops25h 21m
$1,300
Quickest round-trip
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Fri 8/28
6:00 am-2:50 pm
1 stop19h 50m
Osaka Kansai Intl
Mon 8/31
4:55 pm-10:59 pm
1 stop19h 04m
$1,317
Cheapest one-way
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Wed 11/4
10:55 pm-12:35 pm
1 stop23h 40m
$553
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Tue 10/13
6:30 pm-8:50 pm
3 stops37h 20m
$659
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sat 11/7
6:09 pm-6:45 pm
2 stops58h 36m
$681
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Wed 11/4
3:55 pm-11:35 am
2 stops29h 40m
$683
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Mon 9/21
6:09 pm-12:00 pm
2 stops28h 51m
$758
Showing 1-10 of 16 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 August.
| 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
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 August 19, 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.
Comfort
8.2
Entertainment
7.9
Food
7.8
Overall
8.3
Boarding
8.5
Crew
8.7
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Comfort
8.2
Entertainment
7.9
Food
7.8
Overall
8.3
Boarding
8.5
Crew
8.7
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Comfort
8.2
Entertainment
7.9
Food
7.8
Overall
8.3
Boarding
8.5
Crew
8.7
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Comfort
8.2
Entertainment
7.9
Food
7.8
Overall
8.3
Boarding
8.5
Crew
8.7
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Comfort
8.2
Entertainment
7.9
Food
7.8
Overall
8.3
Boarding
8.5
Crew
8.7
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
Himeji
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Boston and Kansai Intl flights
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Top 4 airlines flying from Boston to Kansai Intl
Discover the top 4 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 August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$787 | Average$1,279 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$796 | Average$1,484 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$833 | Average$1,289 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$920 | Average$1,460 | FlexibilityNo cancel fee | On-time69% |