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Cheap flights from O'ahu to Ontario

HNL — YYZ
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags

Find flight deals from O'ahu to Ontario

Keep the following information in mind while searching for O'ahu to Ontario flight deals. Data was last updated 20 June 2026.

Round-trip from

C$ 715

One-way from

C$ 202

Popular in

June

Cheapest in

August

Average price

C$ 1,189
WestJet
  • WestJet
  • 19/10-30/10
  • 3 total stops
  • 30h 45m total
  • O'ahu to Ontario
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American Airlines
  • American Airlines
  • 1/9
  • 2 total stops
  • 22h 22m total
  • O'ahu to Ontario
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Highest demand for flights based on searches. 9% potential increase in price (C$ 128 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 54 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Cheapflights Insights

Everything you need to know about your flight from O'ahu to Ontario

What is the cheapest month to book a flight from O'ahu to Region of Ontario?

Currently, November is the cheapest month in which you can book a flight from O'ahu to Region of Ontario (average of C$ 191). Flying from O'ahu to Region of Ontario in June is currently the most expensive (average of C$ 800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 20 June 2026.
Get a feel of what it's like to fly with WestJet from O'ahu to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,375 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,375 reviews
WestJet
7.2
Good
3,375 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Overall

7.2

Food

6.2

Crew

7.9

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Related info for your journey

Find useful and relevant information for your journey from O'ahu to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from O'ahu to Region of Ontario?

    There are many flights that can get you from O'ahu to Region of Ontario in 14h 41m. Fly via American Airlines, WestJet, or Air Canada to get the fastest option. There are 7483 km between O'ahu and Region of Ontario. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from O'ahu to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from O'ahu to Region of Ontario are WestJet (C$ 99), United Airlines (C$ 228), and Air Canada (C$ 259).

  • Can I find deals for flights from O'ahu to Ontario that include hotel bookings?

    Yes. In addition to deals on O'ahu to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'ahu to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ontario.

  • Can I find deals for business class flights from O'ahu to Ontario?

    Yes. Cheapflights offers flight deals from O'ahu to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from O'ahu to Region of Ontario?

    Currently, November is the cheapest month in which you can book a flight from O'ahu to Region of Ontario (average of C$ 191). Flying from O'ahu to Region of Ontario in June is currently the most expensive (average of C$ 800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from O'ahu to Ontario

Discover the top airline that operate flights from O'ahu to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 472AverageC$ 722FlexibilityNo cancel feeOn-time60%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'ahu to Ontario?

Cheapflights makes it easy to find O'ahu to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from O'ahu to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from O'ahu.

Can Cheapflights find flights from O'ahu to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from O'ahu to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from O'ahu to Ontario become cheaper?

Yes, Cheapflights offers price alerts on O'ahu to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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