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Cheap flights from Boston to Osaka from $464

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Osaka departing on 11/26. 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
0 bags

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Find the cheapest flights from Boston to Osaka

Cheap round-trip flights

Air Canada Logo
6:55 pm - 4:25 pmBOS-KIX
32h 30m2 stops
Air Canada Logo
6:05 pm - 9:30 amKIX-BOS
28h 25m2 stops
$779Air Canada
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Sat, Oct 18 - Tue, Oct 21
Air Canada Logo
5:30 am - 5:40 pmBOS-KIX
22h 10m2 stops
Air Canada Logo
3:45 pm - 10:37 pmKIX-BOS
19h 52m2 stops
$796Air Canada
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Wed, Mar 4 - Wed, Mar 11
Logo
6:00 am - 4:25 pmBOS-KIX
21h 25m2 stops
Logo
8:00 am - 10:37 pmKIX-BOS
27h 37m2 stops
$807
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Wed, Oct 22 - Fri, Oct 31
Logo
6:15 am - 9:45 pmBOS-UKB
25h 30m2 stops
Logo
7:05 am - 10:37 pmUKB-BOS
28h 32m2 stops
$816
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Wed, Jan 28 - Wed, Mar 11
ANA Logo
5:45 am - 9:45 pmBOS-UKB
26h 00m2 stops
ANA Logo
7:05 am - 12:46 pmUKB-BOS
19h 41m2 stops
$958ANA
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Tue, Jan 6 - Wed, Feb 4
ANA Logo
5:45 am - 8:20 pmBOS-ITM
24h 35m2 stops
ANA Logo
8:00 am - 2:29 pmITM-BOS
20h 29m2 stops
$958ANA
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Tue, Jan 6 - Wed, Feb 4
Cathay Pacific Logo
12:30 am - 9:05 pmBOS-KIX
30h 35m1 stop
Cathay Pacific Logo
4:05 pm - 10:00 pmKIX-BOS
43h 55m2 stops
$965Cathay Pacific
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Tue, Nov 11 - Tue, Nov 25
Cathay Pacific Logo
12:30 am - 3:15 pmBOS-KIX
24h 45m1 stop
Cathay Pacific Logo
9:25 am - 10:00 pmKIX-BOS
26h 35m1 stop
$972Cathay Pacific
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Tue, Nov 11 - Tue, Nov 25
United Airlines Logo
3:15 pm - 4:40 pmBOS-KIX
35h 25m2 stops
United Airlines Logo
6:35 pm - 8:10 amKIX-BOS
27h 35m1 stop
$975United Airlines
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Tue, Jan 6 - Wed, Feb 4
United Airlines Logo
12:45 pm - 6:10 pmBOS-ITM
39h 25m2 stops
United Airlines Logo
1:00 pm - 7:21 amITM-BOS
32h 21m2 stops
$976United Airlines
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Sun, Jan 11 - Tue, Jan 20

Air Canada flights from Boston to Osaka

Our best Air Canada deals on Boston to Osaka flight tickets
Air Canada
Oct 18
BOS6:55 pmBoston Logan Intl
32h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 21
KIX6:05 pmOsaka Kansai Intl
28h 25m
2 stops
BOS9:30 amBoston Logan Intl
$779
Find similar
Air Canada
Mar 4
BOS5:30 amBoston Logan Intl
22h 10m
2 stops
KIX5:40 pmOsaka Kansai Intl
Mar 11
KIX3:45 pmOsaka Kansai Intl
19h 52m
2 stops
BOS10:37 pmBoston Logan Intl
$796
Find similar
Air Canada
Nov 12
BOS5:30 amBoston Logan Intl
22h 10m
2 stops
KIX5:40 pmOsaka Kansai Intl
Nov 25
KIX3:45 pmOsaka Kansai Intl
20h 52m
2 stops
BOS10:37 pmBoston Logan Intl
$797
Find similar

ANA flights from Boston to Osaka

Our best ANA deals on Boston to Osaka flight tickets
ANA
Jan 6
BOS5:45 amBoston Logan Intl
24h 35m
2 stops
ITM8:20 pmOsaka Itami
Feb 4
ITM8:00 amOsaka Itami
20h 29m
2 stops
BOS2:29 pmBoston Logan Intl
$958
Find similar
ANA
Feb 20
BOS8:00 amBoston Logan Intl
21h 10m
2 stops
ITM7:10 pmOsaka Itami
Feb 28
ITM7:30 amOsaka Itami
19h 17m
2 stops
BOS12:47 pmBoston Logan Intl
$1,049
Find similar
ANA
Feb 20
BOS6:00 amBoston Logan Intl
25h 45m
2 stops
UKB9:45 pmKobe
Feb 28
UKB7:05 amKobe
19h 42m
2 stops
BOS12:47 pmBoston Logan Intl
$1,058
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momondo 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, momondo users made 832,500 searches. Data last updated September 11, 2025.
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

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Sat 10/18

6:55 pm-4:25 pm

2 stops32h 30m

Osaka Kansai Intl

Tue 10/21

6:05 pm-9:30 am

2 stops28h 25m

$779

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 3/4

5:30 am-5:40 pm

2 stops22h 10m

Osaka Kansai Intl

Wed 3/11

3:45 pm-10:37 pm

2 stops19h 52m

$796

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 10/22

6:00 am-4:25 pm

2 stops21h 25m

Osaka Kansai Intl

Fri 10/31

8:00 am-10:37 pm

2 stops27h 37m

$807

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

Wed 1/28

6:15 am-9:45 pm

2 stops25h 30m

Kobe

Wed 3/11

7:05 am-10:37 pm

2 stops28h 32m

$816

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

Tue 1/6

5:45 am-9:45 pm

2 stops26h 00m

Kobe

Wed 2/4

7:05 am-12:46 pm

2 stops19h 41m

$958

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Tue 1/6

5:45 am-8:20 pm

2 stops24h 35m

Osaka Itami

Wed 2/4

8:00 am-2:29 pm

2 stops20h 29m

$958

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 11/11

12:30 am-9:05 pm

1 stop30h 35m

Osaka Kansai Intl

Tue 11/25

4:05 pm-10:00 pm

2 stops43h 55m

$965

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 11/11

12:30 am-3:15 pm

1 stop24h 45m

Osaka Kansai Intl

Tue 11/25

9:25 am-10:00 pm

1 stop26h 35m

$972

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Tue 1/6

3:15 pm-4:40 pm

2 stops35h 25m

Osaka Kansai Intl

Wed 2/4

6:35 pm-8:10 am

1 stop27h 35m

$975

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Sun 1/11

12:45 pm-6:10 pm

2 stops39h 25m

Osaka Itami

Tue 1/20

1:00 pm-7:21 am

2 stops32h 21m

$976

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Boston to Osaka

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 typical price of a round-trip flight between Boston and Osaka?

What is the cheapest month to fly to Osaka?

In general, November is the cheapest month to fly from Boston to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $951. If you are unable to visit Osaka during the month of November, then departing from Boston during the month September is also very affordable. Most momondo users find prices during this month for around $1,043.

What is the cheapest day to depart on your flight to Osaka?

According to our data, Monday is the cheapest day to fly to Osaka from Boston. The lowest ticket price found for a Monday departure recently was $1,438. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Osaka for around $1,580.

What is the cheapest time of day to depart on your flight to Osaka?

Our data shows that the cheapest Boston to Osaka flights are usually those with departure times in the evening. Our users have found flights to Osaka in the evening for as low as $1,187. Flights to Osaka are more costly in the morning, with an average ticket price of $1,582. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Boston to Osaka flights?

You could potentially save up to 7% on your flight if you consider stops on a Boston to Osaka flight.

When to book flights from Boston to Osaka

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

Cheap Boston to Osaka (BOS to OSA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Osaka

Direct flights

None
There are no direct flights from Boston to Osaka. There are no popular flight routes from Boston to Osaka.
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  • How far is Boston Logan Intl to Osaka by plane?

    A flight from Boston Logan Intl to Osaka will travel around 6850.9 mi. A reasonable flight in good conditions will take 21h 10m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Osaka?

    Prices for flights from Boston Logan Intl Airport to Osaka are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Osaka?

  • How old do you have to be to fly from Boston Logan Intl Airport to Osaka?

    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 Boston Logan Intl Airport to Osaka.

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

    The required travel and health documents for your Osaka trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boston to Osaka?

Best airlines flying from Boston to Osaka

Compare and see reviews for airlines that fly from Boston to Osaka with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $817Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Cathay PacificPriceFrom $883Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
ANAPriceFrom $989Free CancellationRating
8.4
961 reviews
Search ANA flights
United AirlinesPriceFrom $1,056Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $1,493Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights

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 Boston to Osaka?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Boston.

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

momondo does allow users to show only those flights to Osaka from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Osaka from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Osaka from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Osaka trip

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka
Osaka Itami Airport
Osaka Kansai Intl Airport