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Cheap flights from Buffalo to Osaka from $639

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Osaka departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Buffalo to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
6:55 am - 6:10 pmBUF  Buffalo-ITM Osaka Itami
22h 15m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
7:30 am - 1:16 pmITM  Osaka Itami-BUF Buffalo
18h 46m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,170ANA
Fri, Sep 4 - Fri, Sep 11
American Airlines Logo
7:00 am - 6:40 pmBUF  Buffalo-ITM Osaka Itami
22h 40m2 stops Dallas/Fort Worth Tokyo Haneda
American Airlines Logo
8:25 am - 5:18 pmITM  Osaka Itami-BUF Buffalo
21h 53m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,188American Airlines
Fri, Sep 4 - Fri, Sep 11
American Airlines Logo
7:59 am - 7:50 pmBUF  Buffalo-ITM Osaka Itami
22h 51m2 stops Chicago O'Hare Intl Tokyo Narita
American Airlines Logo
8:25 am - 5:18 pmITM  Osaka Itami-BUF Buffalo
21h 53m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,238American Airlines
Thu, Sep 17 - Mon, Sep 28
American Airlines Logo
7:59 am - 7:50 pmBUF  Buffalo-ITM Osaka Itami
22h 51m2 stops Chicago O'Hare Intl Tokyo Narita
American Airlines Logo
7:30 am - 5:18 pmITM  Osaka Itami-BUF Buffalo
22h 48m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,238American Airlines
Thu, Sep 10 - Fri, Oct 2
American Airlines Logo
7:59 am - 8:30 pmBUF  Buffalo-ITM Osaka Itami
23h 31m2 stops Chicago O'Hare Intl Tokyo Haneda
American Airlines Logo
8:25 am - 5:18 pmITM  Osaka Itami-BUF Buffalo
21h 53m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,238American Airlines
Thu, Sep 10 - Sat, Oct 3
Multiple Airlines Logo
6:55 am - 5:35 pmBUF  Buffalo-ITM Osaka Itami
21h 40m2 stops New York John F Kennedy Intl Tokyo Haneda
Multiple Airlines Logo
1:25 pm - 5:00 pmITM  Osaka Itami-BUF Buffalo
40h 35m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,391Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Japan Airlines Logo
7:59 am - 7:50 pmBUF  Buffalo-ITM Osaka Itami
22h 51m2 stops Chicago O'Hare Intl Tokyo Narita
Japan Airlines Logo
4:35 pm - 3:58 pmITM  Osaka Itami-BUF Buffalo
36h 23m2 stops Tokyo Haneda Dallas/Fort Worth
$1,477Japan Airlines
Wed, Sep 30 - Sat, Oct 10
United Airlines Logo
6:30 am - 5:05 pmBUF  Buffalo-ITM Osaka Itami
45h 35m3 stops Chicago O'Hare Intl San Francisco Tokyo Haneda
United Airlines Logo
12:55 pm - 11:11 pmITM  Osaka Itami-BUF Buffalo
23h 16m2 stops Tokyo Haneda Newark
$1,583United Airlines
Thu, Sep 10 - Fri, Oct 2
United Airlines Logo
6:30 am - 5:05 pmBUF  Buffalo-ITM Osaka Itami
45h 35m3 stops Chicago O'Hare Intl San Francisco Tokyo Haneda
United Airlines Logo
12:55 pm - 4:43 pmITM  Osaka Itami-BUF Buffalo
40h 48m3 stops Tokyo Haneda Los Angeles Chicago O'Hare Intl
$1,633United Airlines
Thu, Sep 10 - Sat, Oct 3
United Airlines Logo
6:30 am - 5:05 pmBUF  Buffalo-ITM Osaka Itami
45h 35m3 stops Chicago O'Hare Intl San Francisco Tokyo Haneda
United Airlines Logo
12:55 pm - 8:47 pmITM  Osaka Itami-BUF Buffalo
20h 52m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,633United Airlines
Thu, Sep 10 - Sat, Oct 3

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United Airlines flights from Buffalo to Osaka Itami Airport

Our best United Airlines deals on Buffalo to Osaka Itami Airport flight tickets
United Airlines
Sep 10
BUF6:30 amBuffalo
45h 35m
3 stops
ITM5:05 pmOsaka Itami
Oct 2
ITM12:55 pmOsaka Itami
23h 16m
2 stops
BUF11:11 pmBuffalo
$1,583
United Airlines
Sep 10
BUF6:30 amBuffalo
45h 35m
3 stops
ITM5:05 pmOsaka Itami
Oct 3
ITM12:55 pmOsaka Itami
40h 48m
3 stops
BUF4:43 pmBuffalo
$1,633
United Airlines
Sep 30
BUF6:30 amBuffalo
21h 35m
2 stops
ITM5:05 pmOsaka Itami
Oct 10
ITM12:55 pmOsaka Itami
40h 48m
3 stops
BUF4:43 pmBuffalo
$1,952

American Airlines flights from Buffalo to Osaka Itami Airport

Our best American Airlines deals on Buffalo to Osaka Itami Airport flight tickets
American Airlines
Sep 4
BUF7:00 amBuffalo
22h 40m
2 stops
ITM6:40 pmOsaka Itami
Sep 11
ITM8:25 amOsaka Itami
21h 53m
2 stops
BUF5:18 pmBuffalo
$1,188
American Airlines
Sep 10
BUF7:59 amBuffalo
23h 31m
2 stops
ITM8:30 pmOsaka Itami
Oct 3
ITM8:25 amOsaka Itami
21h 53m
2 stops
BUF5:18 pmBuffalo
$1,238
American Airlines
Sep 20
BUF7:59 amBuffalo
23h 31m
2 stops
ITM8:30 pmOsaka Itami
Sep 27
ITM7:25 amOsaka Itami
22h 53m
2 stops
BUF5:18 pmBuffalo
$1,755

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Osaka Itami Airport 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, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Buffalo to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Fri 9/4

6:55 am-6:10 pm

2 stops22h 15m

Osaka Itami

Fri 9/11

7:30 am-1:16 pm

2 stops18h 46m

$1,170

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Fri 9/4

7:00 am-6:40 pm

2 stops22h 40m

Osaka Itami

Fri 9/11

8:25 am-5:18 pm

2 stops21h 53m

$1,188

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/17

7:59 am-7:50 pm

2 stops22h 51m

Osaka Itami

Mon 9/28

8:25 am-5:18 pm

2 stops21h 53m

$1,238

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/10

7:59 am-7:50 pm

2 stops22h 51m

Osaka Itami

Fri 10/2

7:30 am-5:18 pm

2 stops22h 48m

$1,238

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/10

7:59 am-8:30 pm

2 stops23h 31m

Osaka Itami

Sat 10/3

8:25 am-5:18 pm

2 stops21h 53m

$1,238

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Tue 9/1

6:55 am-5:35 pm

2 stops21h 40m

Osaka Itami

Mon 9/7

1:25 pm-5:00 pm

2 stops40h 35m

$1,391

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Wed 9/30

7:59 am-7:50 pm

2 stops22h 51m

Osaka Itami

Sat 10/10

4:35 pm-3:58 pm

2 stops36h 23m

$1,477

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/10

6:30 am-5:05 pm

3 stops45h 35m

Osaka Itami

Fri 10/2

12:55 pm-11:11 pm

2 stops23h 16m

$1,583

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/10

6:30 am-5:05 pm

3 stops45h 35m

Osaka Itami

Sat 10/3

12:55 pm-4:43 pm

3 stops40h 48m

$1,633

BuffaloOsaka

BUF Buffalo - ITM Osaka Itami

BUFITM

Buffalo

Thu 9/10

6:30 am-5:05 pm

3 stops45h 35m

Osaka Itami

Sat 10/3

12:55 pm-8:47 pm

2 stops20h 52m

$1,633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Buffalo to Osaka Itami Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Buffalo to Osaka Itami?

ANA is the most popular carrier operating from Buffalo to Osaka Itami

When to book flights from Buffalo to Osaka Itami Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Osaka Itami Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Osaka Itami Airport (BUF to ITM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Osaka Itami Airport

Fastest flight time

22h 10m

Direct flights

None
The fastest flight from Buffalo to Osaka Itami Airport takes 22h 10m
There are no direct flights from Buffalo to Osaka Itami Airport. There are no popular flight routes from Buffalo to Osaka Itami Airport.
Search flight deals

Frequently asked questions about flying from Buffalo to Osaka Itami Airport

  • How far is Buffalo to Osaka Itami by plane?

    Buffalo and Osaka Itami are 6645.2 mi apart from one another. A reasonable flight in good conditions will take 22h 10m.

  • When did momondo last update prices for flights from Buffalo Airport to Osaka Itami Airport?

    Prices for flights from Buffalo Airport to Osaka Itami Airport were last updated today.

  • How old do you have to be to fly from Buffalo Airport to Osaka Itami Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Osaka Itami Airport.

  • What documentation or ID do you need to fly to Osaka Itami Airport?

    The travel and health documents you'll need for your trip to Osaka Itami Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Itami Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Osaka?

It is quick and easy to find Buffalo to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

Can I find flights from Buffalo to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to Osaka?

Once you have performed a search for Buffalo to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Osaka right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Osaka from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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