$561+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KIX
Dec 7 — Dec 141
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
Cheapest
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 November 7, 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 November 7, 2026.
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/211:10 am -
1 stop21h 30m
Mon 12/142:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$877
This Bravofly deal was found by Cheapflights users on 11/4. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:10 am -
1 stop21h 30m
Mon 12/72:15 am -
1 stop20h 35m
Deal found 11/4![Korean Air logo]()
$878
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/28:00 am -
2 stops24h 40m
Thu 12/102:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$882
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/211:10 am -
1 stop21h 30m
Mon 12/147:55 pm -
1 stop26h 55m
Deal found 11/2![Korean Air logo]()
$887
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/311:10 am -
1 stop21h 30m
Thu 12/102:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$927
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/36:20 am -
2 stops26h 20m
Mon 12/142:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$932
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:20 am -
2 stops27h 20m
Sun 12/132:00 pm -
2 stops25h 10m
Deal found 11/2![Delta logo]()
$938
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/38:00 am -
2 stops24h 40m
Mon 12/147:55 pm -
1 stop26h 55m
Deal found 11/2![Korean Air logo]()
$942
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 November 7, 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 November 7, 2026.
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/211:10 am -
1 stop21h 30m
Mon 12/142:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$877
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/177:15 am -
2 stops22h 15m
Fri 1/296:35 pm -
1 stop27h 26m
Deal found 11/3![United Airlines logo]()
$980
This Japan Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 1/2012:00 pm -
1 stop30h 55m
Wed 2/38:05 pm -
1 stop35h 30m
Deal found 11/4![Japan Airlines logo]()
$1,047
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:35 am -
2 stops23h 10m
Sun 1/3111:55 am -
2 stops25h 54m
Deal found 11/6![Delta logo]()
$1,051
This Korean Air deal was found by Cheapflights users on 11/2. 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 12/46:20 am -
2 stops26h 20m
Thu 12/102:15 am -
2 stops26h 23m
Deal found 11/2![Korean Air logo]()
$943
This United Airlines deal was found by Cheapflights users on 11/4. 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 1/43:05 pm -
2 stops35h 40m
Tue 1/193:20 pm -
3 stops22h 39m
Deal found 11/4![United Airlines logo]()
$981
This Korean Air deal was found by Cheapflights users on 11/2. 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 12/46:20 am -
2 stops26h 20m
Sat 12/122:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$982
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/46:05 pm -
2 stops32h 40m
Tue 12/156:35 pm -
2 stops29h 44m
Deal found 11/2![United Airlines logo]()
$1,049
This Korean Air deal was found by Cheapflights users on 11/5. 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.
Tue 12/111:10 am -
1 stop19h 35m
Tue 12/1511:55 am -
1 stop34h 55m
Deal found 11/5![Korean Air logo]()
$1,048
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/308:05 pm -
2 stops30h 40m
Tue 12/86:35 pm -
2 stops26h 42m
Deal found 11/5![United Airlines logo]()
$1,055
This Korean Air deal was found by Cheapflights users on 11/3. 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.
Wed 11/2511:10 am -
1 stop35h 40m
Fri 12/42:15 am -
1 stop20h 35m
Deal found 11/3![Korean Air logo]()
$1,052
Last-minute flights from Boston to Kansai IntlDiscover last-minute flight deals from Boston to Kansai Intl. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kansai Intl. Data last updated November 7, 2026 and is based on user searches.
This Bravofly deal was found by Cheapflights users on 11/4. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:10 am -
1 stop21h 30m
Mon 12/72:15 am -
1 stop20h 35m
Deal found 11/4![Korean Air logo]()
$878
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/211:10 am -
1 stop21h 30m
Mon 12/142:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$877
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/28:00 am -
2 stops24h 40m
Thu 12/102:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$882
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Wed 12/211:10 am -
1 stop21h 30m
Mon 12/147:55 pm -
1 stop26h 55m
Deal found 11/2![Korean Air logo]()
$887
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/311:10 am -
1 stop21h 30m
Thu 12/102:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$927
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/36:20 am -
2 stops26h 20m
Mon 12/142:15 am -
1 stop20h 35m
Deal found 11/2![Korean Air logo]()
$932
This Korean Air deal was found by Cheapflights users on 11/2. 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.
Thu 12/38:00 am -
2 stops24h 40m
Mon 12/147:55 pm -
1 stop26h 55m
Deal found 11/2![Korean Air logo]()
$942
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:20 am -
2 stops27h 20m
Mon 12/142:00 pm -
2 stops23h 15m
Deal found 11/2![Delta logo]()
$938
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 November 7, 2026.
Search for one-way flight options from Boston to Kansai Intl. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/277:00 am -
3 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/137:00 am -
3 stops35h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$611
This oojo deal was found by Cheapflights users on 11/5. 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 1/2210:55 pm -
1 stop23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Hainan Airlines logo]()
$618
This FlightHub deal was found by Cheapflights users on 11/5. 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 1/1310:55 pm -
1 stop23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Hainan Airlines logo]()
$650
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/2710:55 pm -
1 stop23h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Hainan Airlines logo]()
$671
This oojo deal was found by Cheapflights users on 11/4. 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.
Thu 1/288:00 pm -
1 stop33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Turkish Airlines logo]()
$704
This Turkish Airlines deal was found by Cheapflights users on 11/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/148:00 pm -
1 stop33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Turkish Airlines logo]()
$725
This Expedia deal was found by Cheapflights users on 11/5. 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.
Thu 1/143:00 pm -
2 stops32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/173:40 pm -
2 stops36h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$746
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 November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $877 (Korean Air) |
One-way from | $561 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,081 |
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 November 7, 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
Thu 1/28
8:00 pm-7:10 pm
1 stop33h 10m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$707
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Thu 1/14
8:00 pm-7:10 pm
1 stop33h 10m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$725
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Mon 1/11
8:00 pm-7:10 pm
1 stop33h 10m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$755
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Thu 1/28
6:00 am-4:55 pm
2 stops44h 55m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$759
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 1/3
6:00 am-8:25 pm
3 stops48h 25m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$771
Quickest round-trip
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Mon 1/11
12:30 am-2:45 pm
2 stops24h 15m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$792
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Thu 11/12
9:03 am-9:55 am
2 stops34h 52m
Osaka Kansai Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$812
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Wed 12/2
11:10 am-10:40 pm
1 stop21h 30m
Osaka Kansai Intl
Mon 12/14
2:15 am-8:50 am
1 stop20h 35m
$877
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Fri 12/4
6:20 am-10:40 pm
2 stops26h 20m
Osaka Kansai Intl
Thu 12/10
2:15 am-2:38 pm
2 stops26h 23m
$943
BostonOsaka
BOS Boston Logan Intl - KIX Osaka Kansai Intl
BOSKIX
Boston Logan Intl
Sun 1/17
7:15 am-7:30 pm
2 stops22h 15m
Osaka Kansai Intl
Fri 1/29
6:35 pm-8:01 am
1 stop27h 26m
$980
Showing 1-10 of 18 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 November.
| 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 Accuracy2 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 November 7, 2026.
Get a feel of what it's like to fly with Japan Airlines,ANA, andCathay Pacific 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
Food
7.7
Crew
8.7
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Crew
8.7
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Crew
8.7
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Crew
8.7
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Crew
8.7
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
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 locationsIzumisano
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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 November 7, 2026.
Boston and Kansai Intl flights
Browse other Boston and Kansai Intl flight options. Last updated on November 7, 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 November 7, 2026.
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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 November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$837 | Average$1,557 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$914 | Average$1,575 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$920 | Average$1,393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$941 | Average$1,291 | FlexibilityNo cancel fee | On-time72% |