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$990+ Cheap flights from Buffalo (BUF) to Osaka (OSA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — OSA
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap flight deals from Buffalo to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$990
(United Airlines)
Provider with most accurate pricing for Buffalo-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Osaka (OSA) flights.
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From Buffalo to Osaka (OSA)
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Find flight deals from Buffalo to Osaka

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

This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 10/192:50 pmBUF - KIX
2 stops35h 00mUnited Airlines
Wed 11/56:30 pmKIX - BUF
2 stops18h 15mUnited Airlines
Deal found 5/11$990
This Gurufare deal was found by Cheapflights users on 5/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:00 amBUF - ITM
2 stops23h 10mANA
Wed 11/512:00 pmITM - BUF
2 stops22h 31mANA
Deal found 5/11$1,063
This Gurufare deal was found by Cheapflights users on 5/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:45 amBUF - KIX
3 stops45h 50mSingapore Airlines
Sun 11/94:50 pmKIX - BUF
3 stops42h 41mSingapore Airlines
Deal found 5/11$1,823
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 6/256:00 amBUF - ITM
2 stops22h 05mUnited Airlines
Wed 7/212:00 pmITM - BUF
2 stops19h 56mUnited Airlines
Deal found 5/11$1,934
This Qatar Airways deal was found by Cheapflights users on 5/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:54 pmBUF - KIX
2 stops35h 06mQatar Airways
Wed 11/59:55 amKIX - BUF
3 stops39h 55mQatar Airways
Deal found 5/11$2,703
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/57:48 pmBUF - KIX
2 stops36h 12mDelta
Fri 7/1112:35 pmKIX - BUF
2 stops43h 10mDelta
Deal found 5/12$2,891
This Japan Airlines deal was found by Cheapflights users on 5/12. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:42 pmBUF - KIX
1 stop35h 03mMultiple Airlines
Fri 7/112:50 pmKIX - BUF
2 stops22h 09mMultiple Airlines
Deal found 5/12$3,070
This oojo deal was found by Cheapflights users on 5/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/53:59 pmBUF - ITM
3 stops28h 36mBritish Airways
Fri 7/118:00 pmITM - BUF
3 stops37h 35mBritish Airways
Deal found 5/12$3,804
This oojo deal was found by Cheapflights users on 5/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:15 pmBUF - KIX
3 stops31h 00mBritish Airways
Fri 7/1110:25 pmKIX - BUF
2 stops36h 43mBritish Airways
Deal found 5/12$5,437
This AranGrant deal was found by Cheapflights users on 5/12. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/58:02 amBUF - ITM
2 stops22h 48mJapan Airlines
Fri 7/112:35 pmITM - BUF
2 stops20h 33mJapan Airlines
Deal found 5/12$27,601

Cheapflights Fare Finder

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

Fly from

Buffalo

Fly to

Osaka

Route

Depart

Return

Price

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 10/19

2:50 pm-2:50 pm

2 stops35h 00m

Osaka Kansai Intl

Wed 11/5

6:30 pm-10:45 pm

2 stops18h 15m

$990

BuffaloOsaka

BUF - ITM

BUFITM

Buffalo

Sun 10/19

7:00 am-7:10 pm

2 stops23h 10m

Osaka Itami

Wed 11/5

12:00 pm-8:31 pm

2 stops22h 31m

$1,063

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 10/19

10:45 am-9:35 pm

3 stops45h 50m

Osaka Kansai Intl

Sun 11/9

4:50 pm-9:31 pm

3 stops42h 41m

$1,823

BuffaloOsaka

BUF - ITM

BUFITM

Buffalo

Wed 6/25

6:00 am-5:05 pm

2 stops22h 05m

Osaka Itami

Wed 7/2

12:00 pm-6:56 pm

2 stops19h 56m

$1,934

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 10/19

4:54 pm-5:00 pm

2 stops35h 06m

Osaka Kansai Intl

Wed 11/5

9:55 am-11:50 am

3 stops39h 55m

$2,703

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 7/5

7:48 pm-9:00 pm

2 stops36h 12m

Osaka Kansai Intl

Fri 7/11

12:35 pm-6:45 pm

2 stops43h 10m

$2,891

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 7/5

6:42 pm-6:45 pm

1 stop35h 03m

Osaka Kansai Intl

Fri 7/11

2:50 pm-11:59 pm

2 stops22h 09m

$3,070

BuffaloOsaka

BUF - ITM

BUFITM

Buffalo

Sat 7/5

3:59 pm-9:35 am

3 stops28h 36m

Osaka Itami

Fri 7/11

8:00 pm-8:35 pm

3 stops37h 35m

$3,804

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 7/5

6:15 pm-2:15 pm

3 stops31h 00m

Osaka Kansai Intl

Fri 7/11

10:25 pm-10:08 pm

2 stops36h 43m

$5,437

BuffaloOsaka

BUF - ITM

BUFITM

Buffalo

Sat 7/5

8:02 am-7:50 pm

2 stops22h 48m

Osaka Itami

Fri 7/11

2:35 pm-10:08 pm

2 stops20h 33m

$27,601

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Compare providers for flights from Buffalo 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 Buffalo to Osaka in May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Buffalo-Osaka flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buffalo-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Osaka 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 Buffalo-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 Buffalo to Osaka

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

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 May 12, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, ANA and Singapore Airlines from Buffalo to Osaka to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Japan Airlines
8.3
Very good
1,472 reviews
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
ANA
8.3
Very good
860 reviews
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Singapore Airlines
8.1
Very good
1,294 reviews
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Delta
8.0
Very good
7,950 reviews
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Qatar Airways
7.4
Good
3,570 reviews
Japan Airlines
8.3
Very good
1,472 reviews

Boarding

8.4

Food

7.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

Related info for your journey

Find useful and relevant information for your journey from Buffalo 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 Buffalo to Osaka?

    Located just 8.3 mi from the city center, Buffalo is the airport most travelers will use when flying to Osaka from Buffalo. Booking flights from Buffalo (BUF) to Osaka should be relatively easy as there are 0 daily outbound flights to Osaka from 0 different airlines.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Osaka (average of $892). Flying from Buffalo to Osaka in December is currently the most expensive (average of $1,330). 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

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