HKG - ONT

$375 Find Cheap Flights from Hong Kong to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$907
Typical prices: $808-$1,025
United Airlines
Mon 10/1Wed 10/31
HKG - ONT • 1 stop
Cheapest one-way
$375
Typical prices: $480-$605
Multiple Airlines
Fri 9/28
HKG - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Hong Kong and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 29% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $707 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 17h 16m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Hong Kong to Ontario (HKG-ONT)

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

Recent round-trip flight deals from Hong Kong to Ontario

Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
11:45 am - 12:50 pmHKG  Hong Kong Intl-ONT Ontario
40h 05m2 stops San Francisco Denver Intl
United Airlines Logo
1:53 pm - 5:00 amONT  Ontario-HKG Hong Kong Intl
24h 07m1 stop San Francisco
$907United Airlines
Fri, Nov 20 - Sat, Nov 28
United Airlines Logo
10:30 pm - 10:48 pmHKG  Hong Kong Intl-ONT Ontario
16h 18m1 stop San Francisco
United Airlines Logo
6:37 pm - 6:45 amONT  Ontario-HKG Hong Kong Intl
20h 08m1 stop San Francisco
$907United Airlines
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
10:30 pm - 8:01 pmHKG  Hong Kong Intl-ONT Ontario
36h 31m1 stop San Francisco
United Airlines Logo
7:13 pm - 6:55 pmONT  Ontario-HKG Hong Kong Intl
32h 42m1 stop San Francisco
$907United Airlines
Wed, Sep 16 - Sun, Sep 20
United Airlines Logo
11:45 am - 8:53 pmHKG  Hong Kong Intl-ONT Ontario
24h 08m2 stops San Francisco Denver Intl
United Airlines Logo
5:00 am - 5:00 amONT  Ontario-HKG Hong Kong Intl
33h 00m2 stops Denver Intl San Francisco
$907United Airlines
Wed, Sep 30 - Thu, Oct 1
United Airlines Logo
11:45 am - 3:22 pmHKG  Hong Kong Intl-ONT Ontario
18h 37m1 stop San Francisco
United Airlines Logo
4:03 pm - 5:00 amONT  Ontario-HKG Hong Kong Intl
21h 57m1 stop San Francisco
$907United Airlines
Sat, Nov 14 - Sun, Nov 29
United Airlines Logo
10:35 am - 12:29 pmHKG  Hong Kong Intl-ONT Ontario
17h 54m1 stop San Francisco
United Airlines Logo
9:25 am - 7:20 pmONT  Ontario-HKG Hong Kong Intl
17h 55m1 stop San Francisco
$907United Airlines
Fri, Nov 20 - Sat, Nov 28
United Airlines Logo
10:30 pm - 10:48 pmHKG  Hong Kong Intl-ONT Ontario
16h 18m1 stop San Francisco
United Airlines Logo
6:37 pm - 6:45 amONT  Ontario-HKG Hong Kong Intl
20h 08m1 stop San Francisco
$907United Airlines
Mon, Oct 12 - Tue, Oct 20
United Airlines Logo
11:45 am - 3:22 pmHKG  Hong Kong Intl-ONT Ontario
18h 37m1 stop San Francisco
United Airlines Logo
4:03 pm - 5:00 amONT  Ontario-HKG Hong Kong Intl
21h 57m1 stop San Francisco
$907United Airlines
Thu, Sep 3 - Tue, Sep 15
China Airlines Logo
2:05 pm - 6:40 pmHKG  Hong Kong Intl-ONT Ontario
19h 35m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 9:15 amONT  Ontario-HKG Hong Kong Intl
18h 05m1 stop Taipei City Taiwan Taoyuan Intl
$929China Airlines
Thu, Sep 3 - Tue, Sep 15
China Airlines Logo
5:35 pm - 6:40 pmHKG  Hong Kong Intl-ONT Ontario
16h 05m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 9:15 amONT  Ontario-HKG Hong Kong Intl
18h 05m1 stop Taipei City Taiwan Taoyuan Intl
$932China Airlines
Booking Insights

Price, demand and travel trends for Hong Kong to Ontario flights

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

How much is a round-trip flight from Hong Kong to Ontario?

Round-trip flights from Hong Kong to Ontario start at $907. Prices are typical for this route right now, with typical round-trip fares ranging from $808 to $1,025. The lowest price found in the past 5 days was $907 on United Airlines.

What's the cheapest day of the week to fly from Hong Kong to Ontario?

Thursday is the cheapest day of the week to fly from Hong Kong to Ontario, it is 20% cheaper than the average day. Monday is the most expensive day with flight prices 7% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Hong Kong to Ontario flights

Low season

August

Cheapest flight

$375
Most popular time to fly and prices are also 12% lower on average.
Flight from Hong Kong to Ontario

When to book flights from Hong Kong to Ontario

Are your dates flexible? Find out the best times to travel from Hong Kong 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 Hong Kong 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 Hong Kong to Ontario?

    Flights from Hong Kong to Ontario usually depart from Hong Kong Intl (HKG) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Hong Kong to Ontario?

    Only Economy Class is available on flights from Hong Kong to Ontario.

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

    Connecting flights from Hong Kong to Ontario most commonly pass through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 98% of one-stop connections
    • San Francisco (SFO) - 2% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 26% on the Hong Kong to Ontario route. Thursday is the cheapest departure day at $700 round-trip on average, while Monday is the most expensive at $943, a difference of $243. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Hong Kong to Ontario?

    A nonstop flight from Hong Kong to Ontario takes 0h 00m, covering 7,273 miles.

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

    These are the earliest and latest flight times available from Hong Kong 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 Hong Kong 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.

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

    One-way fares from Hong Kong to Ontario are currently lower than usual. Average one-way flight prices are about $474, which is 11% below the typical average for this route.

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

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 17h 16m, compared with 18h 47m via San Francisco (SFO).

  • What is the time difference between Hong Kong and Ontario?

    Ontario is 15 hours behind Hong Kong (Pacific Time vs Hong Kong 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 Hong Kong to Ontario flight?

    Round-trip flights from Hong Kong to Ontario range from $808 to $1,025, with an average of $874 over the past 12 months. Anything below $808 counts as a good deal.

Your guide to booking Hong Kong to Ontario 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 Thursday departure instead of Monday. On this route, Thursday flights average $700 - about $243 less than Monday (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Hong Kong to Ontario trip for December. Fares historically average $623 round-trip in that month - typically $1,426 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - Holiday Inn Ontario Airport By IHG
    - La Quinta Inn & Suites by Wyndham Ontario Airport

Everything you need to know for your flight from Hong Kong to Ontario

Information on your arrival and departure airports

Hong Kong (HKG)
Ontario (ONT)