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$496+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — BOS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,212
(Gotogate)

One-way from

$496
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,603
Provider with most accurate pricing for Osaka Kansai Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka Kansai Intl-Boston Logan Intl flights.
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From Osaka Kansai Intl to Boston Logan Intl
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One-way flight from Osaka Kansai Intl to Boston Logan Intl
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Highest demand for flights based on searches. 8% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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.
Mon 6/99:10 amKIX - BOS
1 stop26h 50mCathay Pacific
Sun 6/291:40 amBOS - KIX
1 stop24h 35mCathay Pacific
Deal found 4/30$1,212
This EVA Air deal was found by Cheapflights users on 4/30. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/91:10 pmKIX - BOS
2 stops29h 30mMultiple Airlines
Mon 6/306:30 pmBOS - KIX
2 stops26h 40mMultiple Airlines
Deal found 4/30$1,312
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/98:55 pmKIX - BOS
1 stop34h 15mJapan Airlines
Mon 6/301:35 pmBOS - KIX
1 stop32h 40mJapan Airlines
Deal found 4/30$1,772
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/24:55 pmKIX - BOS
3 stops26h 06mUnited Airlines
Sat 6/219:30 amBOS - KIX
2 stops40h 20mUnited Airlines
Deal found 4/29$1,889
This Emirates deal was found by Cheapflights users on 4/29. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/211:45 pmKIX - BOS
1 stop27h 25mEmirates
Sat 6/2111:05 pmBOS - KIX
1 stop29h 10mEmirates
Deal found 4/29$2,036

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 May 1, 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

Mon 6/9

9:10 am-11:00 pm

1 stop26h 50m

Boston Logan Intl

Sun 6/29

1:40 am-3:15 pm

1 stop24h 35m

$1,212

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 6/9

1:10 pm-5:40 am

2 stops29h 30m

Boston Logan Intl

Mon 6/30

6:30 pm-10:10 am

2 stops26h 40m

$1,312

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 6/9

8:55 pm-6:10 pm

1 stop34h 15m

Boston Logan Intl

Mon 6/30

1:35 pm-11:15 am

1 stop32h 40m

$1,772

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 6/2

4:55 pm-6:01 am

3 stops26h 06m

Boston Logan Intl

Sat 6/21

9:30 am-2:50 pm

2 stops40h 20m

$1,889

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 6/2

11:45 pm-2:10 pm

1 stop27h 25m

Boston Logan Intl

Sat 6/21

11:05 pm-5:15 pm

1 stop29h 10m

$2,036

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 5/23

8:55 pm-5:40 am

2 stops45h 45m

$496

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 5/23

6:30 pm-5:40 am

2 stops48h 10m

$737

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Tue 6/17

2:20 pm-4:40 pm

1 stop39h 20m

$764

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Fri 7/4

9:10 am-11:00 pm

1 stop26h 50m

$805

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Wed 7/30

4:55 pm-9:49 am

3 stops29h 54m

$1,493

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
1
2

Compare providers for flights from Kansai Intl to Boston

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 Kansai Intl to Boston in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Osaka Kansai Intl Airport-Boston flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Osaka Kansai Intl Airport-Boston flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka Kansai Intl Airport-Boston flights, Cheapflights users trust AranGrant the most. AranGrant 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 Osaka Kansai Intl Airport-Boston 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 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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Boston

What is the cheapest time of day to fly from KIX to BOS?

Find hourly flight availability from Kansai Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Osaka Kansai Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight at noon.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 May 1, 2025.
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,464 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Hainan Airlines
8.1
Very good
38 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Emirates
8.0
Very good
3,216 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 2 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?

    Cathay Pacific, at $1,212, was found to be the cheapest airline from Osaka Kansai Intl Airport to Boston.Alternate airlines to your destination round-trip include Japan Airlines and United Airlines.

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

    $737 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on Hainan Airlines and Cathay Pacific, with prices starting from $764 and $805, 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 July is currently the most expensive (average of $310). 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
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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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

Top 2 airlines flying from Kansai Intl to Boston

Discover the top 2 airlines that operate flights from Kansai Intl to Boston. 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$917Average$1,158FlexibilityNo cancel feeOn-time72%
Hawaiian AirlinesCheapest$1,284Average$1,314FlexibilityNo cancel feeOn-time85%

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