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Osaka

$524+ Cheap flights from Boston (BOS) to Osaka (OSA)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OSA
sie 6 — sie 131
czw. 8/6
czw. 8/13
1 adult, Economy
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Cheap flight deals from Boston to Osaka

Cheapest flights from Boston to Osaka
Explore the most affordable flight options available from Boston to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Lipiec 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 11/46:40 pm
BOS
-
KIX
2 stops27h 55m
Hainan Airlines
sob. 11/212:35 pm
KIX
-
BOS
1 stop39h 45m
Hainan Airlines
Deal found 7/3$917
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 9/165:50 am
BOS
-
KIX
2 stops21h 35m
Air Canada
śr. 9/236:00 pm
KIX
-
BOS
1 stop28h 55m
Air Canada
Deal found 7/3$931
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/16:50 pm
BOS
-
KIX
2 stops32h 35m
Air Canada
wt. 9/86:00 pm
KIX
-
BOS
2 stops28h 50m
Air Canada
Deal found 7/3$932
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 9/176:00 am
BOS
-
KIX
1 stop21h 25m
Air Canada
śr. 9/236:00 pm
KIX
-
BOS
1 stop30h 55m
Air Canada
Deal found 7/6$943
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 9/210:40 am
BOS
-
ITM
2 stops19h 15m
Air Canada
wt. 9/812:50 pm
ITM
-
BOS
2 stops21h 36m
Air Canada
Deal found 7/3$956
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/110:40 am
BOS
-
ITM
2 stops19h 15m
Air Canada
wt. 9/82:00 pm
ITM
-
BOS
2 stops32h 50m
Air Canada
Deal found 7/3$962
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 9/96:50 pm
BOS
-
ITM
2 stops35h 05m
Multiple Airlines
czw. 9/177:05 am
ITM
-
BOS
2 stops28h 35m
Multiple Airlines
Deal found 7/2$1,009
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/110:40 am
BOS
-
ITM
2 stops19h 15m
Air Canada
pt. 9/113:00 pm
ITM
-
BOS
2 stops20h 40m
Air Canada
Deal found 7/2$1,015
This FlightHub deal was found by Cheapflights users on 7/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/16:00 am
BOS
-
ITM
2 stops23h 10m
Air Canada
śr. 9/1612:50 pm
ITM
-
BOS
2 stops22h 50m
Air Canada
Deal found 7/4$1,022
This Korean Air deal was found by Cheapflights users on 7/3. 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.
śr. 9/912:55 pm
BOS
-
UKB
1 stop39h 50m
Korean Air
czw. 9/1711:55 am
UKB
-
BOS
1 stop35h 15m
Korean Air
Deal found 7/3$1,043
This Korean Air deal was found by Cheapflights users on 7/3. 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.
wt. 11/38:45 pm
BOS
-
UKB
2 stops23h 25m
Korean Air
śr. 11/186:40 pm
UKB
-
BOS
1 stop28h 00m
Korean Air
Deal found 7/3$1,048
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 11/213:34 pm
BOS
-
UKB
2 stops36h 06m
Korean Air
wt. 12/16:40 pm
UKB
-
BOS
1 stop28h 00m
Korean Air
Deal found 7/6$1,049

Find flight deals from Boston to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Osaka (OSA). 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 Lipiec 7, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$931
(Air Canada)

One-way from

$524
(SmartFares)

Popular in

May

Cheapest in

February

Average price

$1,350
Provider with most accurate pricing for Boston Logan Intl-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Osaka (OSA) flights.
Search Deals
From Boston Logan Intl to Osaka (OSA)
Search Deals
One-way flight from Boston Logan Intl to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Osaka 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 Lipiec 7, 2026.
Use the filters below to find and compare flights from Boston to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

ndz. 11/22

11:00 am-10:10 am

1 stop33h 10m

Kobe

wt. 12/1

6:40 pm-8:40 am

1 stop28h 00m

$1,043

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

wt. 9/15

12:55 pm-11:20 am

1 stop33h 25m

Osaka Kansai Intl

śr. 11/11

6:10 pm-8:40 am

1 stop28h 30m

$1,045

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

pt. 9/4

12:55 pm-10:55 am

1 stop33h 00m

Kobe

ndz. 9/13

6:55 pm-10:10 am

1 stop28h 15m

$1,243

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

ndz. 8/23

6:00 am-2:50 pm

1 stop19h 50m

Osaka Kansai Intl

pon. 12/14

6:35 pm-11:54 pm

2 stops19h 19m

$1,281

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

ndz. 8/23

6:00 am-7:50 pm

2 stops24h 50m

Osaka Kansai Intl

ndz. 12/13

6:35 pm-11:54 pm

2 stops19h 19m

$1,287

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

pt. 8/21

6:00 am-2:50 pm

1 stop19h 50m

Osaka Kansai Intl

pon. 9/7

4:55 pm-6:02 am

1 stop26h 07m

$1,326

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

pon. 8/17

6:00 am-2:50 pm

1 stop19h 50m

Osaka Kansai Intl

wt. 9/1

4:55 pm-7:54 am

1 stop27h 59m

$1,375

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

sob. 8/15

5:01 pm-2:50 pm

2 stops32h 49m

Osaka Kansai Intl

czw. 8/27

4:55 pm-10:59 pm

1 stop19h 04m

$1,375

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

wt. 9/8

12:55 pm-5:45 pm

1 stop39h 50m

Kobe

sob. 9/19

6:55 pm-10:10 am

1 stop28h 15m

$1,382

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

sob. 8/15

5:01 pm-2:50 pm

2 stops32h 49m

Osaka Kansai Intl

sob. 8/29

4:55 pm-10:59 pm

1 stop19h 04m

$1,425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 50 resultsSorted by cheapest first
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Compare providers for flights from Boston to Osaka

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 Osaka in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
GotogatePrice Accuracy2 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 Boston-Osaka flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Osaka flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boston-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Osaka flights, Cheapflights users trust Ovago the most. Ovago 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 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 Osaka

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

What is the cheapest month to book a flight from Boston to Osaka?

Currently, July is the cheapest month in which you can book a flight from Boston to Osaka (average of $429). Flying from Boston to Osaka in June is currently the most expensive (average of $1,093). 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.

How much does it cost to fly round-trip from Boston to Osaka?

How far ahead should I book a flight from Boston to Osaka?

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Osaka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated Lipiec 7, 2026.
Peruse reviews from past customers who have flown with Japan Airlines,ANA, andCathay Pacific from Boston to Osaka 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.
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Japan Airlines
8.3
Very good
1,866 reviews
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
ANA
8.3
Very good
1,266 reviews
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Cathay Pacific
7.6
Good
1,404 reviews
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
United Airlines
7.4
Good
9,947 reviews
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Air Canada
7.1
Good
11,318 reviews
Japan Airlines
8.3
Very good
1,866 reviews

Crew

8.7

Boarding

8.4

Entertainment

7.8

Food

7.7

Comfort

8.2

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.

Related info for your journey

Find useful and relevant information for your journey from Boston to Osaka. 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 from for flights from Boston to Osaka?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Osaka. You should not have trouble finding flights to Osaka from Logan Intl; the airport handles an average of 0 outbound flights to Osaka per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Boston airport to Osaka. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Osaka?

    A quick flight from Boston to Osaka can take about 17h 50m. Korean Air provides one of the quickest options available for as low as $1,442. There are 6845 mi between Boston and Osaka. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $787, Air Canada will fly you from Boston to Osaka and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Cathay Pacific and United Airlines - these airlines can fly you to your destination from $833 and $920, respectively. You may be able to fly from Boston to Osaka for 41% less than the average price by searching for these airlines.

  • What are the most popular routes from Boston to Osaka?

    Most travelers choose Boston Logan Intl - Osaka Kansai Intl, Boston Logan Intl - Osaka Itami or Boston Logan Intl - Kobe when deciding on the best route from Boston to Osaka.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Osaka 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 Boston to Osaka?

    Currently, July is the cheapest month in which you can book a flight from Boston to Osaka (average of $429). Flying from Boston to Osaka in June is currently the most expensive (average of $1,093). 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
Nara

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Alternative routes for Boston to Osaka

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

Top 5 airlines flying from Boston to Osaka

Discover the top 5 airlines that operate flights from Boston to Osaka. 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 Lipiec 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$787Average$1,279FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$833Average$1,279FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$920Average$1,460FlexibilityNo cancel feeOn-time69%
ANACheapest$1,034Average$1,484FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$1,735Average$1,846FlexibilityNo cancel feeOn-time79%

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