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$481+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OSA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Boston Logan Intl to Osaka are usually found in November or April, booked 78 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$863
(Justfly.com)

One-way from

$481
(Priceline)

Popular in

December

Cheapest in

November

Average price

$1,152
Provider with most accurate pricing for Boston Logan Intl-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Osaka (OSA) flights.
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From Boston Logan Intl to Osaka (OSA)
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One-way flight from Boston Logan Intl to Osaka (OSA)
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Highest demand for flights based on searches. 3% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/255:35 amBOS - UKB
2 stops26h 10mANA
Tue 3/47:05 amUKB - BOS
2 stops21h 31mANA
Deal found 2/18$863
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/255:35 amBOS - ITM
2 stops22h 35mANA
Tue 3/48:00 amITM - BOS
2 stops20h 36mANA
Deal found 2/18$868
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/255:35 amBOS - KIX
2 stops22h 40mANA
Tue 3/47:10 amKIX - BOS
2 stops28h 42mANA
Deal found 2/18$869
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 2/255:54 pmBOS - KIX
1 stop32h 41mUnited Airlines
Tue 3/46:30 pmKIX - BOS
1 stop17h 22mUnited Airlines
Deal found 2/18$887
This StudentUniverse deal was found by Cheapflights users on 2/18. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2412:30 amBOS - KIX
1 stop22h 15mCathay Pacific
Tue 3/49:25 amKIX - BOS
1 stop26h 35mCathay Pacific
Deal found 2/18$993
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:00 pmBOS - KIX
2 stops32h 25mAir Canada
Tue 6/106:05 pmKIX - BOS
2 stops28h 58mAir Canada
Deal found 2/18$998
This FlightHub deal was found by Cheapflights users on 2/19. 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 4/96:40 pmBOS - KIX
2 stops29h 05mHainan Airlines
Tue 4/152:20 pmKIX - BOS
1 stop39h 20mHainan Airlines
Deal found 2/19$1,010
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amBOS - ITM
3 stops46h 10mUnited Airlines
Fri 11/211:00 pmITM - BOS
2 stops22h 45mUnited Airlines
Deal found 2/19$1,020
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:05 amBOS - UKB
2 stops34h 55mMultiple Airlines
Fri 3/77:05 amUKB - BOS
3 stops30h 45mMultiple Airlines
Deal found 2/20$1,104
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/247:05 amBOS - ITM
2 stops20h 05mMultiple Airlines
Wed 2/261:00 pmITM - BOS
3 stops30h 49mMultiple Airlines
Deal found 2/20$1,108
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Sun 4/209:05 pmBOS - KIX
2 stops32h 40mMultiple Airlines
Thu 5/17:40 amKIX - BOS
3 stops47h 52mMultiple Airlines
Deal found 2/18$1,132
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:20 pmBOS - ITM
1 stop17h 30mJapan Airlines
Tue 11/42:50 pmITM - BOS
1 stop16h 15mJapan Airlines
Deal found 2/20$1,179

Find flights from Boston to Osaka within your budget

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 February 20, 2025.

Fly from

Boston

Fly to

Osaka

Route

Depart

Return

Price

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

Tue 2/25

5:35 am-9:45 pm

2 stops26h 10m

Kobe

Tue 3/4

7:05 am-2:36 pm

2 stops21h 31m

$863

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Tue 2/25

5:35 am-6:10 pm

2 stops22h 35m

Osaka Itami

Tue 3/4

8:00 am-2:36 pm

2 stops20h 36m

$868

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 2/25

5:35 am-6:15 pm

2 stops22h 40m

Osaka Kansai Intl

Tue 3/4

7:10 am-9:52 pm

2 stops28h 42m

$869

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 2/25

5:54 pm-4:35 pm

1 stop32h 41m

Osaka Kansai Intl

Tue 3/4

6:30 pm-9:52 pm

1 stop17h 22m

$887

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 2/24

12:30 am-12:45 pm

1 stop22h 15m

Osaka Kansai Intl

Tue 3/4

9:25 am-10:00 pm

1 stop26h 35m

$993

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 5/20

7:00 pm-4:25 pm

2 stops32h 25m

Osaka Kansai Intl

Tue 6/10

6:05 pm-10:03 am

2 stops28h 58m

$998

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 4/9

6:40 pm-12:45 pm

2 stops29h 05m

Osaka Kansai Intl

Tue 4/15

2:20 pm-4:40 pm

1 stop39h 20m

$1,010

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Sun 4/20

6:00 am-5:05 pm

2 stops22h 05m

Osaka Itami

Thu 5/1

12:00 pm-8:26 pm

2 stops21h 26m

$1,022

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Tue 4/29

6:35 am-6:55 pm

2 stops23h 20m

Osaka Itami

Tue 5/20

2:05 pm-10:04 pm

2 stops20h 59m

$1,030

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

Mon 3/3

7:05 am-8:00 am

2 stops34h 55m

Kobe

Fri 3/7

7:05 am-11:50 pm

3 stops30h 45m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 39 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
OvagoPrice 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 Boston-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Osaka flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from Boston to Osaka

Get recent, data-driven insights about flights from Boston to Osaka including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Osaka. Price data was last updated on February 14, 2025.

Booking 78 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.

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

Currently, February is the cheapest month in which you can book a flight from Boston to Osaka (average of $912). Flying from Boston to Osaka in December is currently the most expensive (average of $1,366). 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.

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

Find hourly flight availability from Boston to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Boston to Osaka, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

Rainfall in Osaka by month

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

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

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

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with ANA, Korean Air and Japan Airlines 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.
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA
8.4
Very good
842 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Korean Air
8.4
Very good
1,037 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines
8.3
Very good
1,440 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Delta
8.0
Very good
8,220 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Hainan Airlines
7.8
Good
31 reviews
ANA
8.4
Very good
842 reviews

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

7.7

Overall

8.4

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

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 6 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.

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

    Currently priced at $863, ANA will fly you from Boston to Osaka and back. In addition to ANA, 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 $999 and $1,012, respectively. You may be able to fly from Boston to Osaka for 37% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $481. ANA flights start at $485 while deals on United Airlines start at $510 one-way.

  • 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, February is the cheapest month in which you can book a flight from Boston to Osaka (average of $912). Flying from Boston to Osaka in December is currently the most expensive (average of $1,366). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
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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
Boston to Itami flights
Hartford to Kansai Intl flights
Hartford to Itami flights

Top 6 airlines flying from Boston to Osaka

Discover the top 6 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$867Average$1,094FlexibilityNo cancel feeOn-time72%
DeltaCheapest$867Average$968FlexibilityNo cancel feeOn-timeN/A
ANACheapest$979Average$2,358FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,051Average$1,282FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$1,320Average$2,593FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$1,375Average$1,692FlexibilityNo cancel feeOn-time67%
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