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$630+ Cheap flights from Osaka (OSA) 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Osaka to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) 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 June 12, 2025.

Round-trip from

$1,036
(Gotogate)

One-way from

$630
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$1,543
From Osaka (OSA) to Boston Logan Intl
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One-way flight from Osaka (OSA) to Boston Logan Intl
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Highest demand for flights based on searches. 18% potential increase in price ($338 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Osaka to Boston

Cheapest flights from Osaka to Boston
Explore the most affordable flight options available from Osaka to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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 9/1510:00 amKIX - BOS
1 stop26h 00mCathay Pacific
Fri 9/191:40 amBOS - KIX
1 stop40h 00mCathay Pacific
Deal found 6/12$1,036
This Gotogate deal was found by Cheapflights users on 6/12. 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 9/156:05 pmKIX - BOS
2 stops28h 25mAir Canada
Sat 9/206:00 amBOS - KIX
1 stop21h 25mAir Canada
Deal found 6/12$1,118
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/147:35 amKIX - BOS
3 stops39h 00mMultiple Airlines
Sun 7/276:00 amBOS - KIX
3 stops47h 45mMultiple Airlines
Deal found 6/11$1,223
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:00 pmKIX - BOS
1 stop38h 30mKLM
Tue 6/178:15 pmBOS - KIX
2 stops24h 10mKLM
Deal found 6/9$1,576
This Gotogate deal was found by Cheapflights users on 6/9. 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.
Fri 7/253:00 pmITM - BOS
2 stops20h 38mMultiple Airlines
Fri 8/110:20 amBOS - ITM
2 stops19h 35mMultiple Airlines
Deal found 6/9$1,594
This lastminute.com deal was found by Cheapflights users on 6/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:05 pmITM - BOS
2 stops20h 23mANA
Sat 9/207:45 amBOS - ITM
2 stops22h 10mANA
Deal found 6/12$1,778
This Expedia deal was found by Cheapflights users on 6/12. 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.
Mon 9/152:35 pmITM - BOS
1 stop16h 30mJapan Airlines
Sat 9/207:29 pmBOS - ITM
2 stops23h 06mJapan Airlines
Deal found 6/12$1,814
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1412:00 pmITM - BOS
2 stops19h 56mUnited Airlines
Sun 7/277:00 amBOS - ITM
2 stops21h 05mUnited Airlines
Deal found 6/11$2,059
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/912:35 pmKIX - BOS
2 stops31h 05mDelta
Sat 8/2312:55 pmBOS - KIX
1 stop19h 05mDelta
Deal found 6/11$2,095
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/264:55 pmKIX - BOS
2 stops20h 00mUnited Airlines
Sat 8/24:57 pmBOS - KIX
2 stops32h 53mUnited Airlines
Deal found 6/11$2,122
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:35 pmITM - BOS
1 stop16h 35mAmerican Airlines
Fri 8/17:10 amBOS - ITM
2 stops21h 25mAmerican Airlines
Deal found 6/9$2,200
This oojo deal was found by Cheapflights users on 6/9. 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.
Tue 6/102:05 pmITM - BOS
2 stops37h 50mEtihad Airways
Tue 6/174:30 pmBOS - ITM
2 stops37h 25mEtihad Airways
Deal found 6/9$3,125

Cheapflights Fare Finder

Customize your flight search to find flights from Osaka 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 June 12, 2025.
Use the filters below to find and compare flights from Osaka to Boston that are best for you.

Fly from

Osaka

Fly to

Boston

Route

Depart

Return

Price

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 9/15

10:00 am-11:00 pm

1 stop26h 00m

Boston Logan Intl

Fri 9/19

1:40 am-6:40 am

1 stop40h 00m

$1,036

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 9/15

6:05 pm-9:30 am

2 stops28h 25m

Boston Logan Intl

Sat 9/20

6:00 am-4:25 pm

1 stop21h 25m

$1,118

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Mon 7/14

7:35 am-9:35 am

3 stops39h 00m

Boston Logan Intl

Sun 7/27

6:00 am-6:45 pm

3 stops47h 45m

$1,223

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Fri 7/25

3:00 pm-10:38 pm

2 stops20h 38m

Boston Logan Intl

Fri 8/1

10:20 am-6:55 pm

2 stops19h 35m

$1,594

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Mon 9/15

2:05 pm-9:28 pm

2 stops20h 23m

Boston Logan Intl

Sat 9/20

7:45 am-6:55 pm

2 stops22h 10m

$1,778

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Mon 9/15

2:35 pm-6:05 pm

1 stop16h 30m

Boston Logan Intl

Sat 9/20

7:29 pm-7:35 am

2 stops23h 06m

$1,814

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Mon 7/14

12:00 pm-6:56 pm

2 stops19h 56m

Boston Logan Intl

Sun 7/27

7:00 am-5:05 pm

2 stops21h 05m

$2,059

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 8/9

12:35 pm-6:40 am

2 stops31h 05m

Boston Logan Intl

Sat 8/23

12:55 pm-9:00 pm

1 stop19h 05m

$2,095

OsakaBoston

KIX - BOS

KIXBOS

Osaka Kansai Intl

Sat 7/26

4:55 pm-11:59 pm

1 stop20h 04m

Boston Logan Intl

Sat 8/2

7:12 pm-2:50 pm

2 stops30h 38m

$2,122

OsakaBoston

ITM - BOS

ITMBOS

Osaka Itami

Fri 7/25

2:35 pm-6:10 pm

1 stop16h 35m

Boston Logan Intl

Fri 8/1

7:10 am-5:35 pm

2 stops21h 25m

$2,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results
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Best time to book a flight from Osaka to Boston

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

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

Find hourly flight availability from Osaka 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 June 12, 2025.

When flying from Osaka 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 39% 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 June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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 Osaka 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?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Osaka to Boston. You should not have trouble finding flights to Logan Intl from Osaka; the airport handles an average of 0 inbound flights from Osaka per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Boston airport from Osaka. 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 to Boston round-trip?

    Currently priced at $1,036, Cathay Pacific will fly you from Osaka to Boston and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and ANA - these airlines can fly you to your destination from $1,118 and $1,778, respectively. You may be able to fly from Osaka to Boston for 28% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is EVA Air, with whom users have recently found tickets for as low as $722. However, be on the lookout for offers from Cathay Pacific and Delta, as they are both options that can get you from Osaka to Boston for a low price.

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

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

  • How can I find direct flights from Osaka to Boston?

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

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

    Yes. Cheapflights offers flight deals from Osaka 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 to Boston?

    Currently, January is the cheapest month in which you can book a flight from Osaka to Boston (average of $218). Flying from Osaka 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?

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

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Alternative routes for Osaka to Boston

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

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