BOI - KIX

$528 Find Cheap Flights from Boise to Osaka - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$642
Typical prices: $903-$1,279
Multiple Airlines
Thu 1/11Fri 1/19
BOI - KIX • 1 stop
Cheapest one-way
$533
Typical prices: $539-$653
ANA
Fri 12/7
BOI - KIX • 1 stop
When to travel
February
Cheapest • 39% 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!
Flight Deals
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

Mon, Jan 11 - Tue, Jan 19
Multiple Airlines Logo
10:41 am - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
40h 04m1 stop Honolulu
Multiple Airlines Logo
8:45 pm - 2:09 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
33h 24m2 stops Honolulu San Diego
$642Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
3:29 pm - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
35h 16m2 stops Portland Honolulu
Multiple Airlines Logo
8:45 pm - 8:58 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
16h 13m1 stop Honolulu
$705Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
10:41 am - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
40h 04m1 stop Honolulu
Multiple Airlines Logo
8:45 pm - 8:58 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
16h 13m1 stop Honolulu
$707Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
7:04 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
17h 41m1 stop San Francisco
United Airlines Logo
3:20 pm - 4:46 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
17h 26m2 stops Tokyo Haneda San Francisco
$840United Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
5:46 am - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
20h 59m2 stops Portland Honolulu
Multiple Airlines Logo
8:45 pm - 11:44 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
18h 59m2 stops Honolulu Portland
$942Multiple Airlines
Mon, Jan 11 - Tue, Jan 19
Multiple Airlines Logo
7:25 am - 10:20 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
22h 55m2 stops Los Angeles Tokyo Haneda
Multiple Airlines Logo
6:50 am - 2:29 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
23h 39m2 stops Tokyo Haneda Los Angeles
$965Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
United Airlines Logo
7:04 am - 4:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
17h 41m1 stop San Francisco
United Airlines Logo
3:20 pm - 4:46 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
17h 26m2 stops Tokyo Haneda San Francisco
$968United Airlines
Tue, Dec 1 - Thu, Dec 10
Delta Logo
6:35 am - 10:40 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
24h 05m2 stops Seattle/Tacoma Intl Incheon Intl
Delta Logo
11:55 am - 10:24 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
26h 29m2 stops Incheon Intl Seattle/Tacoma Intl
$970Delta
Mon, Jan 11 - Tue, Jan 19
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
3:20 pm - 9:35 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
22h 15m2 stops Tokyo Haneda San Francisco
$973United Airlines
Mon, Jan 11 - Tue, Jan 19
Multiple Airlines Logo
10:41 am - 6:45 pmBOI  Boise Air Term. Gowen Fld-KIX Osaka Kansai Intl
40h 04m1 stop Honolulu
Multiple Airlines Logo
8:45 pm - 8:58 pmKIX  Osaka Kansai Intl-BOI Boise Air Term. Gowen Fld
16h 13m1 stop Honolulu
$997Multiple 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.

Which airline is the cheapest to fly from Boise to Osaka Kansai Intl Airport?

United Airlines ($840) and Delta ($970) are the cheapest airlines to fly round-trip from Boise to Osaka Kansai Intl Airport according to KAYAK data over the last 5 days.

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Key details for Boise to Osaka Kansai Intl Airport flights

Low season

December

Cheapest flight

$533
Beat the crowds with an average 66% drop in travelers.
The most popular month to fly with an average 83% 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 $903 to $1,279, with an average of $1,153 over the past 12 months. Anything below $903 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 $642 to $5,697. 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 in line with typical prices for this route. Average one-way fares are about $573.

  • 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 averaging $36 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 77% on flights from Boise to Osaka Kansai Intl Airport. Sunday is the cheapest departure day at $752 round-trip on average, while Friday is the most expensive at $3,264, a difference of $2,512.

    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 16 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 $752, about $2,512 less than Friday fares (77% 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 $995 less than the most expensive month, which is May (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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