BOS - OSA

$453 Find Cheap Flights from Boston to Osaka - Compare and Save

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Everything you should know

Cheapest round-trip
$1,055
Typical prices: $1,158-$1,771
Korean Air
Thu 9/6Mon 9/17
BOS - UKB • 1 stop
Cheapest one-way
$453
Typical prices: $581-$1,053
Hainan Airlines
Sun 11/25
BOS - KIX • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boston and Osaka. You'll need to take a connecting flight to reach the destination.
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Top routes
BOS - KIX
Cheapest • 7% average savings
BOS - ITM
Most popular
Insights
Insights
When to book
21 weeks
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 63% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 28% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Montreal Pierre Elliott Trudeau Intl (YUL)
Cheapest • Avg $983 (round-trip)
Tokyo Narita (NRT)
Shortest trip • 17h 09m (one-way)
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We hope you love your trip to Osaka!
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Flight Deals

Cheap Flights from Boston to Osaka (BOS-OSA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Osaka

Wed, Sep 9 - Thu, Sep 17
Korean Air Logo
12:55 pm - 5:45 pmBOS  Boston Logan Intl-UKB Kobe
39h 50m1 stop Incheon Intl
Korean Air Logo
11:55 am - 10:10 amUKB  Kobe-BOS Boston Logan Intl
35h 15m1 stop Incheon Intl
$1,055Korean Air
Sun, Sep 6 - Thu, Sep 17
Korean Air Logo
12:55 pm - 5:45 pmBOS  Boston Logan Intl-UKB Kobe
39h 50m1 stop Incheon Intl
Korean Air Logo
11:55 am - 10:10 amUKB  Kobe-BOS Boston Logan Intl
35h 15m1 stop Incheon Intl
$1,055Korean Air
Mon, Nov 9 - Mon, Nov 23
ANA Logo
7:31 am - 9:45 pmBOS  Boston Logan Intl-UKB Kobe
24h 14m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
7:05 am - 2:32 pmUKB  Kobe-BOS Boston Logan Intl
21h 27m2 stops Tokyo Haneda Washington, D.C. Dulles Intl
$1,096ANA
Wed, Sep 9 - Thu, Sep 17
ANA Logo
9:30 am - 9:45 pmBOS  Boston Logan Intl-UKB Kobe
23h 15m2 stops Washington, D.C. Dulles Intl Tokyo Haneda
ANA Logo
7:05 am - 11:30 pmUKB  Kobe-BOS Boston Logan Intl
29h 25m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,098ANA
Mon, Sep 7 - Wed, Sep 16
Japan Airlines Logo
7:10 am - 7:50 pmBOS  Boston Logan Intl-ITM Osaka Itami
23h 40m2 stops Chicago O'Hare Intl Tokyo Narita
Japan Airlines Logo
2:35 pm - 6:10 pmITM  Osaka Itami-BOS Boston Logan Intl
16h 35m1 stop Tokyo Narita
$1,142Japan Airlines
Tue, Nov 17 - Tue, Dec 1
Japan Airlines Logo
1:28 pm - 8:20 amBOS  Boston Logan Intl-KIX Osaka Kansai Intl
28h 52m2 stops Chicago O'Hare Intl Tokyo Haneda
Japan Airlines Logo
9:05 pm - 2:41 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
31h 36m2 stops Tokyo Haneda Dallas/Fort Worth
$1,142Japan Airlines
Fri, Jan 29 - Fri, Feb 26
Air Canada Logo
5:45 am - 7:25 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
23h 40m2 stops Toronto Pearson Intl Tokyo Haneda
Air Canada Logo
3:45 pm - 10:37 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
20h 52m2 stops Tokyo Haneda Toronto Pearson Intl
$1,161Air Canada
Fri, Jan 29 - Mon, Feb 22
Air Canada Logo
5:45 am - 7:25 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
23h 40m2 stops Toronto Pearson Intl Tokyo Haneda
Air Canada Logo
3:45 pm - 10:37 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
20h 52m2 stops Tokyo Haneda Toronto Pearson Intl
$1,161Air Canada
Mon, Sep 14 - Sat, Sep 26
United Airlines Logo
6:00 am - 2:50 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
19h 50m1 stop San Francisco
United Airlines Logo
4:55 pm - 11:59 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
20h 04m2 stops San Francisco Washington, D.C. Dulles Intl
$1,168United Airlines
Thu, Sep 17 - Sat, Sep 26
United Airlines Logo
6:00 am - 2:50 pmBOS  Boston Logan Intl-KIX Osaka Kansai Intl
19h 50m1 stop San Francisco
United Airlines Logo
4:55 pm - 11:59 pmKIX  Osaka Kansai Intl-BOS Boston Logan Intl
20h 04m2 stops San Francisco Washington, D.C. Dulles Intl
$1,168United Airlines
Booking Insights

Price, demand and travel trends for Boston to Osaka flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Osaka with more confidence.

How much is a round-trip flight from Boston to Osaka?

Round-trip flights from Boston to Osaka start at $1,055. Prices are below average for this route right now, with typical round-trip fares ranging from $1,158 to $1,771. The lowest price found in the past 5 days was $1,055 on Korean Air.

What is the cheapest Boston to Osaka flight route?

Boston (BOS) to Osaka Kansai Intl Airport (KIX) is the cheapest Boston to Osaka route, averaging $1,309 round-trip. Other Boston to Osaka routes average $1,511, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Boston to Osaka?

Sunday is the cheapest day of the week to fly from Boston to Osaka, it is 17% cheaper than the average day. Wednesday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Osaka?

  • January is the cheapest month to fly from Boston to Osaka at $1,013 round-trip.
  • December ($2,028) and May ($1,634) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to Osaka the cheapest?

Flights from Boston to Osaka are cheapest 21 weeks before departure. Booking in this window typically costs about 63% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boston to Osaka flights

Low season

November

Cheapest flight

$453
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Boston to Osaka Kansai Intl Airport

When to book flights from Boston to Osaka

Are your dates flexible? Find out the best times to travel from Boston to Osaka based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Osaka flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What seat selection options are available on Cathay Pacific flights from Boston to Osaka?

    Cathay Pacific offers several seat selection options to passengers. Passengers can choose a standard seat for free during the booking process or at check-in or preferred seats, which offer more legroom or are located in a more convenient location on the aircraft. Preferred seats are subject to an additional fee and can be selected during the booking process or at check-in.

  • What is the luggage allowance on Japan Airlines flights from Boston to Osaka?

    For Economy class, passengers are typically allowed one checked bag with a maximum weight of 50 lbs on Japan Airlines flights from Boston to Osaka. Business class passengers are usually allowed two checked bags, each weighing a maximum of 70 lbs. First class passengers generally enjoy the same allowance as Business class.

  • What services does ANA offer economy passengers on flights from Boston to Osaka?

    ANA offers personal seat back entertainment systems for economy class with a vast selection of movies, TV shows, music, and games. The airline provides complimentary meals, with a choice of Western or Japanese-style cuisine. ANA also offers Wi-Fi and in-flight connectivity, allowing passengers to stay connected and access the internet during the flight.

  • How do I get from Kansai Airport (KIX) to the city center?

    The train is the most convenient and budget-friendly way to reach the city center from KIX. You can take the JR Limited Express Haruka train, which takes about 45–50 minutes to reach Osaka station. There are a number of bus services that operate between Kansai Airport and the city center. The most popular option is the airport limousine service, which takes about 50–60 minutes to reach Osaka's major hotels.

  • Which airports can I use when flying from Boston to Osaka?

    Flights from Boston to Osaka usually depart from Boston Logan Intl (BOS) and may arrive at several airports in Osaka area, including Osaka Itami (ITM) and Osaka Kansai Intl (KIX).

  • What cabin classes can I book on flights from Boston to Osaka?

    Two cabin classes are available on flights from Boston to Osaka:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Boston to Osaka pass through?

    One-stop flights from Boston to Osaka most commonly connect through:

    • Tokyo Narita (NRT) - 38% of one-stop connections
    • Hong Kong Intl (HKG) - 27% of one-stop connections
    • San Francisco (SFO) - 25% of one-stop connections
    • Incheon Intl (ICN) - 3% of one-stop connections

    Tokyo Narita (NRT) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boston to Osaka?

    On the Boston to Osaka route, being flexible with your departure day can save you up to 30%. Sunday is the cheapest day at $1,171 round-trip on average, while Wednesday is the most expensive at $1,669: a $498 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Osaka?

    Some of the most popular sights in Osaka are Namba Train Station, Universal Studios Japan and Dotonbori Glico Man Sign. These are among the most viewed places in Osaka on KAYAK.

  • How long is a flight from Boston to Osaka?

    A nonstop flight from Boston to Osaka takes 0h 00m, covering 6,852 miles.

  • What are the earliest and latest flights from Boston to Osaka?

    These are the earliest and latest flight times available from Boston to Osaka:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • How expensive are last-minute Boston to Osaka flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 76% above the route average of $1,400. Book 21 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Boston to Osaka?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Boston to Osaka looking right now?

    One-way fares from Boston to Osaka are currently higher than usual. Average one-way flight prices are about $817, which is 14% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boston to Osaka?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 15h 35m, compared with 17h 09m via Tokyo Narita (NRT) and 18h 22m via Calgary (YYC).

  • What is the time difference between Boston and Osaka?

    Osaka is 13 hours ahead of Boston (Japan Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available in Osaka?

    Since Osaka is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Osaka Kansai Intl Airport (KIX) — daily rates from around $11:

    · Yesaway
    · CG Car Rental
    · KuMa Rental Car
    · IX Rental
    · HM Rent a Car

    Near Osaka Itami Airport (ITM) — daily rates from around $28:

    · Avis
    · Budget
    · Alamo
    · ORIX Rent a Car
    · Nissan Rent-A-Car

  • How much should I expect to pay for a Boston to Osaka flight?

    Round-trip flights from Boston to Osaka range from $1,158 to $1,771, with an average of $1,400 over the past 12 months. Anything below $1,158 counts as a good deal.

Your guide to booking Boston to Osaka flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Wednesday. On this route, Sunday flights average $1,171 - about $498 less than Wednesday (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 63% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Osaka trip for January. Fares historically average $1,013 round-trip in that month - typically $1,015 less than the most expensive month, which is December (based on the last 12 months).
  • US citizens will need a visa to travel from Boston (BOS) to Osaka (OSA). The type of visa required depends on the purpose of the visit, the duration of stay, and other factors. To apply for a Japanese visa, US citizens must submit the required documents such as a valid passport, visa application form, photos, and other supporting documents depending on the type of visa applied for.
  • Air Canada allows cats and dogs to travel on flights from Boston to Osaka. There is a fee for traveling with pets, which varies depending on the type and size. You must also provide all necessary documentation for your pet, such as a health certificate, vaccinations, and any other required permits.
  • Flights from Boston to Osaka usually have layovers in various cities depending on the airline. Some common layovers for these flights include Tokyo (NRT), San Francisco (SFO), New York (JFK), Hong Kong (HKG), Vancouver (YVR), Washington (IAD), and Chicago (ORD).
  • United Airlines has a customer care program called “Special Needs” that is designed to meet the needs of passengers who require assistance or mobility aids. The airline provides wheelchairs and other mobility aids at the airport and onboard the aircraft to passengers who require them, including for flights from Boston to Osaka.
  • American Airlines offers flights from Boston to Osaka and has invested in fuel-efficient aircraft to reduce the environmental impact of their flights. The company has implemented operational measures, such as using more efficient flight paths, optimizing ground operations, and reducing weight on flights.

Everything you need to know for your flight from Boston to Osaka

Information on your arrival and departure airports

Boston (BOS)