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Cheap flights from Boston to Osaka from $483

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 11/16. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 8:35 pmBOS-KIX
38h 55m2 stops
Multiple Airlines Logo
10:50 am - 9:32 amKIX-BOS
36h 42m2 stops
$823Multiple Airlines
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Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
6:15 am - 10:20 pmBOS-KIX
26h 05m2 stops
Multiple Airlines Logo
3:00 pm - 10:37 pmKIX-BOS
21h 37m2 stops
$835Multiple Airlines
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Wed, Feb 11 - Wed, Feb 18
ANA Logo
6:00 am - 9:45 pmBOS-UKB
25h 45m2 stops
ANA Logo
7:05 am - 12:46 pmUKB-BOS
19h 41m2 stops
$867ANA
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Wed, Feb 11 - Wed, Feb 18
ANA Logo
6:00 am - 7:10 pmBOS-ITM
23h 10m2 stops
ANA Logo
8:00 am - 12:46 pmITM-BOS
18h 46m2 stops
$867ANA
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Wed, Feb 11 - Wed, Feb 18
United Airlines Logo
7:44 pm - 4:40 pmBOS-KIX
30h 56m2 stops
United Airlines Logo
6:35 pm - 11:49 pmKIX-BOS
19h 14m2 stops
$871United Airlines
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Mon, Jan 5 - Tue, Jan 20
United Airlines Logo
6:45 am - 6:10 pmBOS-ITM
21h 25m2 stops
United Airlines Logo
1:00 pm - 9:42 pmITM-BOS
22h 42m2 stops
$877United Airlines
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Mon, Jan 5 - Tue, Jan 20
Lufthansa Logo
6:00 am - 4:40 pmBOS-KIX
20h 40m1 stop
Lufthansa Logo
6:35 pm - 9:42 pmKIX-BOS
17h 07m1 stop
$884Lufthansa
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Mon, Jan 5 - Tue, Jan 20
Lufthansa Logo
6:45 am - 7:25 pmBOS-KIX
22h 40m2 stops
Lufthansa Logo
6:35 pm - 11:46 pmKIX-BOS
19h 11m2 stops
$890Lufthansa
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Mon, Jan 5 - Tue, Jan 20
Air Canada Logo
6:55 pm - 7:10 pmBOS-ITM
34h 15m2 stops
Air Canada Logo
3:00 pm - 10:37 pmITM-BOS
21h 37m2 stops
$912Air Canada
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Fri, Jan 30 - Sat, Feb 7
Air Canada Logo
6:55 pm - 8:20 pmBOS-ITM
35h 25m2 stops
Air Canada Logo
3:00 pm - 10:37 pmITM-BOS
21h 37m2 stops
$927Air Canada
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Sun, Feb 22 - Thu, Feb 26

Lufthansa flights from Boston to Osaka

Our best Lufthansa deals on Boston to Osaka flight tickets
Lufthansa
Jan 5
BOS6:00 amBoston Logan Intl
20h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
Jan 20
KIX6:35 pmOsaka Kansai Intl
17h 07m
1 stop
BOS9:42 pmBoston Logan Intl
$884
Find similar
Lufthansa
Jan 5
BOS6:45 amBoston Logan Intl
22h 40m
2 stops
KIX7:25 pmOsaka Kansai Intl
Jan 20
KIX6:35 pmOsaka Kansai Intl
19h 11m
2 stops
BOS11:46 pmBoston Logan Intl
$890
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Lufthansa
Nov 19
BOS8:40 pmBoston Logan Intl
27h 30m
2 stops
ITM2:10 pmOsaka Itami
Dec 6
ITM10:00 amOsaka Itami
46h 35m
2 stops
BOS6:35 pmBoston Logan Intl
$3,434
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Korean Air flights from Boston to Osaka

Our best Korean Air deals on Boston to Osaka flight tickets
Korean Air
Jan 31
BOS11:00 amBoston Logan Intl
40h 40m
1 stop
UKB5:40 pmKobe
Feb 16
UKB11:10 amKobe
35h 30m
1 stop
BOS8:40 amBoston Logan Intl
$981
Find similar
Korean Air
Jan 31
BOS11:00 amBoston Logan Intl
19h 45m
1 stop
KIX8:45 pmOsaka Kansai Intl
Feb 16
KIX9:00 amOsaka Kansai Intl
37h 40m
1 stop
BOS8:40 amBoston Logan Intl
$982
Find similar
Korean Air
Jan 30
BOS11:00 amBoston Logan Intl
40h 40m
1 stop
UKB5:40 pmKobe
Feb 7
UKB6:40 pmKobe
28h 00m
1 stop
BOS8:40 amBoston Logan Intl
$1,081
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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 November 14, 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

Tue 12/9

3:40 pm-8:35 pm

2 stops38h 55m

Osaka Kansai Intl

Tue 12/16

10:50 am-9:32 am

2 stops36h 42m

$823

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Wed 2/11

6:15 am-10:20 pm

2 stops26h 05m

Osaka Kansai Intl

Wed 2/18

3:00 pm-10:37 pm

2 stops21h 37m

$835

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

Wed 2/11

6:00 am-9:45 pm

2 stops25h 45m

Kobe

Wed 2/18

7:05 am-12:46 pm

2 stops19h 41m

$867

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Wed 2/11

6:00 am-7:10 pm

2 stops23h 10m

Osaka Itami

Wed 2/18

8:00 am-12:46 pm

2 stops18h 46m

$867

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 1/5

7:44 pm-4:40 pm

2 stops30h 56m

Osaka Kansai Intl

Tue 1/20

6:35 pm-11:49 pm

2 stops19h 14m

$871

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Mon 1/5

6:45 am-6:10 pm

2 stops21h 25m

Osaka Itami

Tue 1/20

1:00 pm-9:42 pm

2 stops22h 42m

$877

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 1/5

6:00 am-4:40 pm

1 stop20h 40m

Osaka Kansai Intl

Tue 1/20

6:35 pm-9:42 pm

1 stop17h 07m

$884

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

Mon 1/5

6:45 am-7:25 pm

2 stops22h 40m

Osaka Kansai Intl

Tue 1/20

6:35 pm-11:46 pm

2 stops19h 11m

$890

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Fri 1/30

6:55 pm-7:10 pm

2 stops34h 15m

Osaka Itami

Sat 2/7

3:00 pm-10:37 pm

2 stops21h 37m

$912

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

Sun 2/22

6:55 pm-8:20 pm

2 stops35h 25m

Osaka Itami

Thu 2/26

3:00 pm-10:37 pm

2 stops21h 37m

$927

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 cheapest month to fly to Osaka?

In general, September 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 $927. If you are unable to visit Osaka during the month of September, then departing from Boston during the month November is also very affordable. Most momondo users find prices during this month for around $1,037.

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 8% 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 19h 20m.

  • 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 $787Free CancellationRating
7.1
10,450 reviews
Search Air Canada flights
Cathay PacificPriceFrom $940Free CancellationRating
7.6
1,058 reviews
Search Cathay Pacific flights
ANAPriceFrom $979Free CancellationRating
8.4
1,004 reviews
Search ANA flights
United AirlinesPriceFrom $1,056Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $1,493Free CancellationRating
8.3
1,613 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