BOI - KIX

$515 Find Cheap Flights from Boise to Osaka - Compare and Save

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Everything you should know

Cheapest round-trip
$903
Typical prices: $752-$1,276
United Airlines
Mon 12/3Mon 12/10
BOI - KIX • 1 stop
Cheapest one-way
$515
Typical prices: $539-$800
Multiple Airlines
Fri 1/12
BOI - KIX • 3 stops
When to travel
February
Cheapest • 25% price drop
April
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Osaka Kansai Intl Airport!
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Booking Insights
Flight Deals

Cheap Flights from Boise to Kansai Intl (BOI-KIX)

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

Recent round-trip flight deals from Boise to Kansai Intl

Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
6:10 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
18h 35m1 stop San Francisco
United Airlines Logo
6:35 pm - 9:30 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
18h 55m1 stop San Francisco
$903United Airlines
Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
8:15 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
16h 30m1 stop San Francisco
United Airlines Logo
6:35 pm - 9:59 amKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
31h 24m2 stops San Francisco Denver Intl
$907United Airlines
Thu, Dec 3 - Thu, Dec 10
Korean Air Logo
8:59 am - 8:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
19h 46m2 stops Seattle/Tacoma Intl Incheon Intl
Korean Air Logo
11:55 am - 4:04 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
20h 09m2 stops Incheon Intl Seattle/Tacoma Intl
$1,055Korean Air
Sat, Jan 16 - Wed, Jan 27
Multiple Airlines Logo
3:39 pm - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
35h 06m2 stops Portland Honolulu
Multiple Airlines Logo
8:45 pm - 9:22 amKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
28h 37m2 stops Honolulu Portland
$1,071Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Japan Airlines Logo
9:57 am - 8:25 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
18h 28m2 stops Seattle/Tacoma Intl Tokyo Narita
Japan Airlines Logo
9:10 pm - 2:20 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
33h 10m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,081Japan Airlines
Sat, Jan 16 - Wed, Jan 27
Multiple Airlines Logo
3:39 pm - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
35h 06m2 stops Portland Honolulu
Multiple Airlines Logo
8:45 pm - 9:15 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
16h 30m1 stop Honolulu
$1,085Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
9:57 am - 8:25 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
18h 28m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
6:00 pm - 10:50 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
20h 50m1 stop Los Angeles
$1,094Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
6:31 pm - 7:10 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
32h 39m1 stop Los Angeles
Multiple Airlines Logo
6:00 pm - 10:50 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
20h 50m1 stop Los Angeles
$1,104Multiple Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
5:28 pm - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
31h 17m2 stops Denver Intl San Francisco
United Airlines Logo
6:35 pm - 9:59 amKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
31h 24m2 stops San Francisco Denver Intl
$1,109United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
4:10 pm - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
32h 35m1 stop San Francisco
United Airlines Logo
6:35 pm - 9:35 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
19h 00m1 stop San Francisco
$1,111United Airlines
Booking Insights

Price, demand and travel trends for Boise to Osaka Kansai Intl Airport flights

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

How much is a round-trip flight from Boise to Osaka Kansai Intl Airport?

Round-trip flights from Boise to Osaka Kansai Intl Airport typically range from $752 to $1,276. The lowest price found in the past 5 days was $903, on United Airlines.

Find deals

Key details for Boise to Osaka Kansai Intl Airport flights

Low season

November

Cheapest flight

$515
Beat the crowds with an average 85% drop in travelers.
The most popular month to fly with an average 36% increase in travelers.
One-way flight from Boise to Osaka Kansai Intl Airport

When to book flights from Boise to Kansai Intl

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

Your Boise to Osaka Kansai Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boise to Osaka Kansai Intl Airport?

    Two cabin classes are available on flights from Boise to Osaka Kansai Intl Airport:

    • Economy Class
    • First Class

  • Do I need a passport to fly from Boise to Osaka Kansai Intl Airport?

    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 much should I expect to pay for a Boise to Osaka Kansai Intl Airport flight?

    Round-trip flights from Boise to Osaka Kansai Intl Airport range from $752 to $1,276, with an average of $946 over the past 12 months. Anything below $752 counts as a good deal.

  • Have flight prices from Boise to Osaka Kansai Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $903 to $8,236. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Boise to Osaka Kansai Intl Airport looking right now?

    One-way fares from Boise to Osaka Kansai Intl Airport are currently lower than usual. Average one-way flight prices are about $546, which is 7% below the typical average for this route.

  • What car rental options are available at Osaka Kansai Intl Airport (KIX)?

    Osaka Kansai Intl Airport (KIX) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

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

  • Which airports can I use when flying from Boise to Osaka Kansai Intl Airport?

    Flights from Boise to Osaka Kansai Intl Airport usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Osaka Kansai Intl (KIX).

  • Which airports do connecting flights from Boise to Osaka Kansai Intl Airport pass through?

    Most connecting flights from Boise to Osaka Kansai Intl Airport pass through San Francisco (SFO), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Boise to Osaka Kansai Intl Airport?

    Yes. Flexible dates can save you up to 78% on flights from Boise to Osaka Kansai Intl Airport. Sunday is the cheapest departure day at $724 round-trip on average, while Friday is the most expensive at $3,264, a difference of $2,540.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Boise and Osaka Kansai Intl Airport?

    Osaka Kansai Intl Airport is 15 hours ahead of Boise (Japan Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Osaka Kansai Intl Airport?

    Some of the most popular sights in Osaka Kansai Intl Airport are Universal Studios Japan and Dotonbori Glico Man Sign. These are among the most viewed places in Osaka Kansai Intl Airport on KAYAK.

Your guide to booking Boise to Osaka Kansai Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $724, about $2,540 less than Friday fares (78% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Osaka Kansai Intl Airport trip for February. Fares historically average $706 round-trip in that month - typically $2,558 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Boise to Kansai Intl

Complete your trip to Osaka with a hotel stay or car rental

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