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Cheap flights from Boston to Japan from $401

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 Japan departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Air Canada Logo
6:40 pm - 4:25 pmBOS-KIX
32h 45m2 stops
Air Canada Logo
6:05 pm - 9:55 amKIX-BOS
28h 50m2 stops
$794Air Canada
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dom., ago. 31 - jue., sep. 11
Air Canada Logo
5:50 am - 4:25 pmBOS-KIX
21h 35m2 stops
Air Canada Logo
6:05 pm - 11:29 amKIX-BOS
30h 24m1 stop
$795Air Canada
Find Deal
lun., sep. 1 - mié., sep. 17
ANA Logo
9:30 am - 9:45 pmBOS-UKB
23h 15m2 stops
ANA Logo
7:05 am - 5:02 pmUKB-BOS
22h 57m2 stops
$1,093ANA
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mar., oct. 7 - mar., oct. 21
ANA Logo
6:10 am - 9:45 pmBOS-UKB
26h 35m2 stops
ANA Logo
9:15 pm - 5:02 pmUKB-BOS
32h 47m2 stops
$1,096ANA
Find Deal
mié., sep. 17 - mié., oct. 1
United Airlines Logo
6:00 am - 5:35 pmBOS-FUK
22h 35m2 stops
United Airlines Logo
11:45 am - 6:56 pmFUK-BOS
20h 11m2 stops
$1,123United Airlines
Find Deal
lun., sep. 29 - mié., oct. 8
United Airlines Logo
9:30 am - 7:30 pmBOS-OKA
21h 00m2 stops
United Airlines Logo
1:55 pm - 6:00 amOKA-BOS
29h 05m3 stops
$1,125United Airlines
Find Deal
mar., sep. 16 - jue., sep. 25
Delta Logo
9:00 am - 9:00 amBOS-FUK
35h 00m2 stops
Delta Logo
10:15 am - 11:59 pmFUK-BOS
26h 44m2 stops
$1,127Delta
Find Deal
dom., sep. 14 - jue., sep. 18
Delta Logo
12:55 pm - 3:20 pmBOS-CTS
37h 25m1 stop
Delta Logo
4:20 pm - 7:23 pmCTS-BOS
40h 03m2 stops
$1,363Delta
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lun., oct. 6 - lun., oct. 20
Japan Airlines Logo
12:15 pm - 7:55 pmBOS-ITM
17h 40m1 stop
Japan Airlines Logo
2:50 pm - 5:20 pmITM-BOS
16h 30m1 stop
$1,477Japan Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17
Japan Airlines Logo
6:57 am - 8:35 amBOS-ITM
35h 38m2 stops
Japan Airlines Logo
2:50 pm - 5:20 pmITM-BOS
16h 30m1 stop
$1,482Japan Airlines
Find Deal
sáb., ene. 10 - sáb., ene. 17

Alaska Airlines flights from Boston to Japan

Our best Alaska Airlines deals on Boston to Japan flight tickets
Alaska Airlines
Sep 30
BOS8:00 amBoston Logan Intl
21h 40m
1 stop
FUK6:40 pmFukuoka
Oct 8
FUK8:40 pmFukuoka
22h 20m
1 stop
BOS6:00 amBoston Logan Intl
$1,113
Find similar
Alaska Airlines
Aug 24
BOS8:00 amBoston Logan Intl
21h 40m
1 stop
FUK6:40 pmFukuoka
Aug 30
FUK8:40 pmFukuoka
22h 20m
1 stop
BOS6:00 amBoston Logan Intl
$1,385
Find similar

United Airlines flights from Boston to Japan

Our best United Airlines deals on Boston to Japan flight tickets
United Airlines
Aug 27
BOS7:30 amBoston Logan Intl
24h 30m
1 stop
HND9:00 pmTokyo Haneda
Sep 3
HND5:15 pmTokyo Haneda
17h 13m
1 stop
BOS9:28 pmBoston Logan Intl
$1,116
Find similar
United Airlines
Sep 29
BOS6:00 amBoston Logan Intl
22h 35m
2 stops
FUK5:35 pmFukuoka
Oct 8
FUK11:45 amFukuoka
20h 11m
2 stops
BOS6:56 pmBoston Logan Intl
$1,123
Find similar
United Airlines
Sep 16
BOS9:30 amBoston Logan Intl
21h 00m
2 stops
OKA7:30 pmOkinawa Naha
Sep 25
OKA1:55 pmOkinawa Naha
29h 05m
3 stops
BOS6:00 amBoston Logan Intl
$1,125
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Japan 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 agosto 21, 2025.
Use the filters below to find and compare flights from Boston to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

dom. 8/31

6:40 pm-4:25 pm

2 stops32h 45m

Osaka Kansai Intl

jue. 9/11

6:05 pm-9:55 am

2 stops28h 50m

$794

BostonOsaka

BOS - KIX

BOSKIX

Boston Logan Intl

lun. 9/1

5:50 am-4:25 pm

2 stops21h 35m

Osaka Kansai Intl

mié. 9/17

6:05 pm-11:29 am

1 stop30h 24m

$795

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

mar. 10/7

9:30 am-9:45 pm

2 stops23h 15m

Kobe

mar. 10/21

7:05 am-5:02 pm

2 stops22h 57m

$1,093

BostonKobe

BOS - UKB

BOSUKB

Boston Logan Intl

mié. 9/17

6:10 am-9:45 pm

2 stops26h 35m

Kobe

mié. 10/1

9:15 pm-5:02 pm

2 stops32h 47m

$1,096

BostonFukuoka

BOS - FUK

BOSFUK

Boston Logan Intl

lun. 9/29

6:00 am-5:35 pm

2 stops22h 35m

Fukuoka

mié. 10/8

11:45 am-6:56 pm

2 stops20h 11m

$1,123

BostonOkinawa

BOS - OKA

BOSOKA

Boston Logan Intl

mar. 9/16

9:30 am-7:30 pm

2 stops21h 00m

Okinawa Naha

jue. 9/25

1:55 pm-6:00 am

3 stops29h 05m

$1,125

BostonFukuoka

BOS - FUK

BOSFUK

Boston Logan Intl

dom. 9/14

9:00 am-9:00 am

2 stops35h 00m

Fukuoka

jue. 9/18

10:15 am-11:59 pm

2 stops26h 44m

$1,127

BostonSapporo

BOS - CTS

BOSCTS

Boston Logan Intl

lun. 10/6

12:55 pm-3:20 pm

1 stop37h 25m

Sapporo Chitose

lun. 10/20

4:20 pm-7:23 pm

2 stops40h 03m

$1,363

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

sáb. 1/10

12:15 pm-7:55 pm

1 stop17h 40m

Osaka Itami

sáb. 1/17

2:50 pm-5:20 pm

1 stop16h 30m

$1,477

BostonOsaka

BOS - ITM

BOSITM

Boston Logan Intl

sáb. 1/10

6:57 am-8:35 am

2 stops35h 38m

Osaka Itami

sáb. 1/17

2:50 pm-5:20 pm

1 stop16h 30m

$1,482

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 Japan from

How to get the cheapest flight ticket from Boston to Japan

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 Japan?

The month of September is, on average, the cheapest month to fly to Japan from Boston, with most prices found around $1,071. If you aren’t able to travel to Japan during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,152.

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

On average, the least expensive day to fly to Japan from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,094. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Boston to Japan on a Friday will generally be more expensive and average around $1,560. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Japan from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,177 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Japan, so prices are often more expensive at around $1,458 per ticket.

What is the cheapest Boston Logan Intl to Japan flight route?

Fly from Boston Logan Intl to Tokyo Narita for the best Boston Logan Intl - Japan flight prices

How far in advance should I book a flight to Japan?

You are more likely to see cheaper flights to Japan from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Boston for as low as $1,129 on momondo.

What cabin class options are available on Boston Logan Intl to Japan flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Japan flights?

You could potentially save up to 10% on your flight if you consider stops on a Boston to Japan flight.

Cheap Boston to Japan flight deals and tips

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

Best Price Found

$553

Fastest flight time

13h 35m

Direct flights

Every day

Airports in Japan

1 airport
The best one-way flight to Japan from Boston in the past 72 hours is $553. The best round-trip flight deal from Boston to Japan found on momondo in the last 72 hours is $1,178.
The fastest flight from Boston to Japan takes 13h 35m
Direct flights go from Boston to Japan every day.
There is 1 airport near Japan: Tokyo Narita (NRT)
Search flight deals

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

    Prices for flights from Boston Logan Intl Airport to Japan are refreshed on a daily basis.

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

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

    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 Japan.

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

    The travel and health documents you'll need for your trip to Japan 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 Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Japan?

Best airlines flying from Boston to Japan

Compare and see reviews for airlines that fly from Boston to Japan with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $228Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
Singapore AirlinesPriceFrom $568Free CancellationRating
8.1
1,347 reviews
Search Singapore Airlines flights
ANAPriceFrom $756Free CancellationRating
8.4
938 reviews
Search ANA flights
Air CanadaPriceFrom $762Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $793Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Cathay PacificPriceFrom $858Free CancellationRating
7.6
974 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $860Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Korean AirPriceFrom $998Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $1,220Free CancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $1,290Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Japan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Japan. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Boston to Japan on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Japan.

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

Of course. momondo tracks the price of Boston to Japan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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