OSA - ONT

$519 Find Cheap Flights from Osaka to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,087
Typical prices: $813-$1,114
Multiple Airlines
Wed 9/26Sun 9/30
KIX - ONT • 1 stop
Cheapest one-way
$519
Typical prices: $511-$659
Multiple Airlines
Sun 10/21
KIX - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Osaka and Ontario. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Taipei City Taiwan Taoyuan Intl (TPE)
Cheapest • Avg $916 (round-trip)
San Francisco (SFO)
Shortest trip • 16h 51m (one-way)
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Cheap Flights from Osaka to Ontario (OSA-ONT)

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

Recent round-trip flight deals from Osaka to Ontario

Sat, Sep 26 - Wed, Sep 30
Multiple Airlines Logo
12:25 pm - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:10 am - 6:05 pmONT  Ontario-KIX Osaka Kansai Intl
25h 55m1 stop Taipei City Taiwan Taoyuan Intl
$1,087Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
9:00 pm - 7:36 pmKIX  Osaka Kansai Intl-ONT Ontario
38h 36m2 stops Tokyo Narita San Francisco
Multiple Airlines Logo
12:10 am - 12:50 pmONT  Ontario-KIX Osaka Kansai Intl
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
$1,110Multiple Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
12:15 am - 6:40 pmKIX  Osaka Kansai Intl-ONT Ontario
34h 25m3 stops Incheon Intl Busan Gimhae Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:45 am - 5:55 pmONT  Ontario-KIX Osaka Kansai Intl
25h 10m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
$1,139Multiple Airlines
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
1:30 pm - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
19h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:30 pm - 6:25 pmONT  Ontario-KIX Osaka Kansai Intl
50h 55m2 stops Taipei City Taiwan Taoyuan Intl Daegu
$1,154Multiple Airlines
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
1:30 pm - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
19h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:30 pm - 10:00 pmONT  Ontario-KIX Osaka Kansai Intl
30h 30m1 stop Taipei City Taiwan Taoyuan Intl
$1,161Multiple Airlines
Fri, Sep 4 - Mon, Sep 7
Multiple Airlines Logo
12:25 pm - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:45 am - 12:00 pmONT  Ontario-KIX Osaka Kansai Intl
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,195Multiple Airlines
Wed, Sep 2 - Thu, Sep 3
Multiple Airlines Logo
7:55 am - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
25h 10m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:45 am - 12:00 pmONT  Ontario-KIX Osaka Kansai Intl
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,228Multiple Airlines
Sat, Oct 3 - Wed, Oct 7
Multiple Airlines Logo
11:15 am - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
21h 50m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:10 am - 12:50 pmONT  Ontario-KIX Osaka Kansai Intl
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
$1,239Multiple Airlines
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
12:15 am - 6:40 pmKIX  Osaka Kansai Intl-ONT Ontario
34h 25m3 stops Incheon Intl Busan Gimhae Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:45 am - 10:30 pmONT  Ontario-KIX Osaka Kansai Intl
29h 45m3 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae Incheon Intl
$1,239Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
7:55 am - 5:05 pmKIX  Osaka Kansai Intl-ONT Ontario
25h 10m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:10 am - 12:50 pmONT  Ontario-KIX Osaka Kansai Intl
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
$1,242Multiple Airlines
Booking Insights

Price, demand and travel trends for Osaka to Ontario flights

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

What is the cheapest Osaka to Ontario flight route?

There's little price difference between Osaka to Ontario routes. They average around $930 round-trip, based on KAYAK data over the past 12 months.

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Key details for Osaka to Ontario flights

Cheapest flight

$519
Flight from Osaka Kansai Intl Airport to Ontario

When to book flights from Osaka to Ontario

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

Your Osaka to Ontario flight questions, answered

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

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

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

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

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

    • Taipei City Taiwan Taoyuan Intl (TPE) - 89% of one-stop connections
    • Honolulu (HNL) - 6% of one-stop connections
    • San Francisco (SFO) - 6% of one-stop connections

    Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

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

    On the Osaka to Ontario route, being flexible with your departure day can save you up to 44%. Saturday is the cheapest day at $806 round-trip on average, while Monday is the most expensive at $1,437: a $631 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • How long is a flight from Osaka to Ontario?

    A nonstop flight from Osaka to Ontario takes 0h 00m, covering 5,736 miles.

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

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

    • 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.

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

    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.

  • Have flight prices from Osaka to Ontario 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 $1,087 to $5,734. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from Osaka to Ontario are currently higher than usual. Average one-way flight prices are about $598, which is 11% above the typical average for this route.

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

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 16h 51m, compared with 17h 13m via Honolulu (HNL) and 20h 09m via Taipei City Taiwan Taoyuan Intl (TPE).

  • What is the time difference between Osaka and Ontario?

    Ontario is 16 hours behind Osaka (Pacific Time vs Japan Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    · Fox
    · Thrifty
    · Europcar
    · Dollar
    · Alamo

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

    Round-trip flights from Osaka to Ontario range from $813 to $1,114, with an average of $930 over the past 12 months. Anything below $813 counts as a good deal.

Your guide to booking Osaka to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

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

Information on your arrival and departure airports

Ontario (ONT)