HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$580+ Cheap flights from Kansai Intl (KIX) to Boston (BOS)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansai Intl to Boston 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 Kansai Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) to Boston (BOS). 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 July 7, 2025.

Round-trip from

$1,013
(HIS)

One-way from

$580
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$2,081
From Osaka Kansai Intl to Boston Logan Intl
Search Deals
One-way flight from Osaka Kansai Intl to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($335 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Kansai Intl to Boston

Cheapest flights from Kansai Intl to Boston
Explore the most affordable flight options available from Kansai Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2025.

This HIS deal was found by Cheapflights users on 7/6. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:05 pmKIX - BOS
1 stop17h 33mAir Canada
Wed 8/275:50 amBOS - KIX
2 stops21h 35mAir Canada
Deal found 7/6$1,013
This Expedia deal was found by Cheapflights users on 7/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/239:10 amKIX - BOS
1 stop26h 50mCathay Pacific
Sun 7/271:40 amBOS - KIX
1 stop40h 00mCathay Pacific
Deal found 7/6$1,041
This Mytrip deal was found by Cheapflights users on 7/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:35 amKIX - BOS
3 stops27h 59mMultiple Airlines
Thu 8/286:30 amBOS - KIX
3 stops44h 55mMultiple Airlines
Deal found 7/7$1,183

Cheapflights Fare Finder

Customize your flight search to find flights from Kansai Intl to Boston 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 2,558,603 searches. Data last updated July 7, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Boston that are best for you.

Fly from

Kansai Intl

Fly to

Boston

Route

Depart

Return

Price

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 8/20

6:05 pm-10:38 pm

1 stop17h 33m

Boston Logan Intl

Wed 8/27

5:50 am-4:25 pm

2 stops21h 35m

$1,013

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 7/23

9:10 am-11:00 pm

1 stop26h 50m

Boston Logan Intl

Sun 7/27

1:40 am-6:40 am

1 stop40h 00m

$1,041

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 8/26

7:35 am-10:34 pm

3 stops27h 59m

Boston Logan Intl

Thu 8/28

6:30 am-4:25 pm

3 stops44h 55m

$1,183

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 10/24

12:30 pm-5:58 pm

3 stops42h 28m

$580

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 11/10

6:10 pm-8:40 am

1 stop28h 30m

$626

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 7/22

12:35 pm-11:57 pm

2 stops24h 22m

$639

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 10/25

2:00 pm-7:40 am

2 stops30h 40m

$680

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sun 11/23

10:55 am-11:59 pm

2 stops51h 04m

$726

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 7/23

10:00 am-11:00 pm

1 stop26h 00m

$807

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 7/23

4:55 pm-6:56 pm

3 stops63h 01m

$1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 11 results
1
2

Best time to book a flight from Kansai Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Kansai Intl 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 7, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and China Airlines from Osaka Kansai Intl Airport to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,210 reviews
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,103 reviews
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
744 reviews
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,962 reviews
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Hawaiian Airlines
7.8
Good
2,548 reviews
EVA Air
8.4
Very good
1,210 reviews

Boarding

8.4

Overall

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Osaka Kansai Intl?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Osaka Kansai Intl to Boston. You should not have trouble finding flights to Logan Intl from Osaka Kansai Intl; the airport handles an average of 0 inbound flights from Osaka Kansai Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Boston airport from Osaka Kansai Intl. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • What are the cheapest airlines flying from Osaka Kansai Intl Airport to Boston round-trip?

    Air Canada, at $1,013, was found to be the cheapest airline from Osaka Kansai Intl Airport to Boston. An alternate airline flying to your destination would be Cathay Pacific.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Boston one-way?

    $626 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Delta and China Airlines, with prices starting from $639 and $680, respectively.

  • Can I find deals for flights from Kansai Intl to Boston that include hotel bookings?

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

  • How can I find direct flights from Kansai Intl to Boston?

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

  • Can I find deals for business class flights from Kansai Intl to Boston?

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

  • What is the cheapest month to book a flight from Osaka Kansai Intl Airport to Boston?

    Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Boston (average of $218). Flying from Osaka Kansai Intl Airport to Boston in June is currently the most expensive (average of $306). 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.

See more FAQs

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Seabrook
Waltham
Framingham
Cranston
Randolph
Chestnut Hill
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln
Quincy

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.

Alternative routes for Kansai Intl to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Itami to Boston flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.