￥70,730 Cheap Flights from Boston (BOS) to Osaka (KIX)

View ￥70,730 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Kansai Intl. Airport (KIX)

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Cheap Flights from Boston to Osaka (BOS-KIX)

Prices were available within the past 7 days and start at ￥70,730 for one-way flights and ￥118,220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 27 - Wed, Nov 5
BOS
Boston
KIX
Osaka
￥118,220 Roundtrip, found 4 days ago
￥118,220
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 27 from Boston to Osaka, returning Wed, Nov 5, priced at ￥118,220 found 4 days ago
United
Sat, Oct 25 - Thu, Nov 6
BOS
Boston
KIX
Osaka
￥118,550 Roundtrip, found 4 days ago
￥118,550
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 25 from Boston to Osaka, returning Thu, Nov 6, priced at ￥118,550 found 4 days ago
All Nippon Airways
Wed, Oct 29 - Wed, Nov 12
BOS
Boston
KIX
Osaka
￥119,820 Roundtrip, found 4 days ago
￥119,820
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Wed, Oct 29 from Boston to Osaka, returning Wed, Nov 12, priced at ￥119,820 found 4 days ago
Air Canada
Wed, Oct 22 - Thu, Nov 6
BOS
Boston
KIX
Osaka
￥121,830 Roundtrip, found 4 days ago
￥121,830
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Oct 22 from Boston to Osaka, returning Thu, Nov 6, priced at ￥121,830 found 4 days ago
Alaska Airlines
Tue, Oct 28 - Mon, Nov 10
BOS
Boston
KIX
Osaka
￥125,620 Roundtrip, found 4 days ago
￥125,620
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Boston to Osaka, returning Mon, Nov 10, priced at ￥125,620 found 4 days ago
Hainan Airlines
Wed, Nov 12 - Tue, Dec 2
BOS
Boston
KIX
Osaka
￥140,380 Roundtrip, found 5 days ago
￥140,380
Roundtrip
found 5 days ago
Select Hainan Airlines flight, departing Wed, Nov 12 from Boston to Osaka, returning Tue, Dec 2, priced at ￥140,380 found 5 days ago
Cathay Pacific
Thu, Nov 13 - Wed, Dec 3
BOS
Boston
KIX
Osaka
￥143,300 Roundtrip, found 5 days ago
￥143,300
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Thu, Nov 13 from Boston to Osaka, returning Wed, Dec 3, priced at ￥143,300 found 5 days ago
Hawaiian Airlines
Sun, Oct 26 - Mon, Nov 10
BOS
Boston
KIX
Osaka
￥154,020 Roundtrip, found 2 hours ago
￥154,020
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sun, Oct 26 from Boston to Osaka, returning Mon, Nov 10, priced at ￥154,020 found 2 hours ago
Korean Air
Mon, Sep 29 - Mon, Oct 6
BOS
Boston
KIX
Osaka
￥172,574 Roundtrip, found 14 hours ago
￥172,574
Roundtrip
found 14 hours ago
Select Korean Air flight, departing Mon, Sep 29 from Boston to Osaka, returning Mon, Oct 6, priced at ￥172,574 found 14 hours ago
Japan Airlines
Mon, Feb 9 - Tue, Mar 3
BOS
Boston
KIX
Osaka
￥216,280 Roundtrip, found 6 days ago
￥216,280
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Mon, Feb 9 from Boston to Osaka, returning Tue, Mar 3, priced at ￥216,280 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to Osaka (KIX)

September is typically the cheapest month to fly

From ￥115,917 - ￥201,474 per traveler.
Flights from Boston (BOS) to Osaka (KIX)
Origin airport
Logan Intl.
Destination airport
Kansai Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Emirates, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
￥118,220
Distance
11001 km

Boston to Osaka Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Boston to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Osaka.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BOS to KIX flights that won’t make your bank account wince. Ready to temporarily leave behind Boston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to KIX with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Logan Intl. Airport to Kansai Intl. Airport (KIX)?
Round-trip journeys between Logan Intl. Airport and KIX start from ￥118,220. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Kansai Intl. Airport (KIX)?
This differs between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from BOS to Kansai Intl. Airport (KIX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport (BOS) to Kansai Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Logan Intl. Airport to Kansai Intl. Airport (KIX)?
The flight time from BOS to Kansai Intl. Airport is roughly 18 hours and 37 minutes. It's is no small journey, so fill your carry-on bag with whatever you need to be comfortable.
How far is the flight from Logan Intl. Airport (BOS) to KIX?
The distance is around 11,100 kilometers. Earplugs? Check. Noise-canceling headphones? Double check. We suggest you pack all the travel comforts for this long-haul Boston to Tajiri flight.
Which airlines fly direct from Logan Intl. Airport (BOS) to Kansai Intl. Airport?
Flying nonstop between Logan Intl. Airport and KIX isn't possible right now. However, you'll still be able to find a flight to Tajiri with at least one stop.
Are Logan Intl. Airport to KIX flight tickets cheaper when they're purchased at the last minute?
Flight tickets from BOS to Kansai Intl. Airport are available up to a year prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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