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Cheap flights from Ontario to O'ahu from C$ 270

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HNL
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to O'ahu

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to O'ahu
Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Tue 27/106:25 p.m. -
1 stop25h 41m
Tue 3/116:27 p.m. -
1 stop13h 39m
Deal found 5/8C$ 461
Wed 21/107:29 a.m. -
2 stops18h 53m
Tue 27/106:43 p.m. -
1 stop13h 17m
Deal found 3/8C$ 462
Fri 30/108:00 a.m. -
2 stops16h 59m
Wed 4/112:47 p.m. -
2 stops15h 09m
Deal found 5/8C$ 480
Tue 15/96:46 a.m. -
2 stops19h 30m
Fri 25/98:40 p.m. -
2 stops14h 35m
Deal found 3/8C$ 482
Wed 21/107:29 a.m. -
2 stops18h 53m
Mon 2/117:30 p.m. -
1 stop12h 36m
Deal found 1/8C$ 496
Thu 29/108:00 a.m. -
2 stops18h 22m
Thu 5/117:00 p.m. -
1 stop12h 37m
Deal found 3/8C$ 501
Wed 14/107:29 a.m. -
2 stops18h 53m
Mon 19/108:40 p.m. -
2 stops14h 44m
Deal found 4/8C$ 503
Tue 3/116:21 p.m. -
2 stops26h 25m
Wed 4/117:00 p.m. -
1 stop17h 41m
Deal found 5/8C$ 514
Fri 6/116:21 p.m. -
1 stop25h 57m
Fri 13/1110:33 p.m. -
2 stops14h 08m
Deal found 1/8C$ 515
Fri 11/98:40 p.m. -
2 stops30h 15m
Fri 18/99:55 p.m. -
2 stops15h 55m
Deal found 1/8C$ 643
Tue 15/98:40 p.m. -
2 stops30h 15m
Wed 23/99:55 p.m. -
2 stops15h 55m
Deal found 1/8C$ 650
Fri 11/98:40 p.m. -
2 stops30h 15m
Mon 14/99:55 p.m. -
2 stops15h 55m
Deal found 3/8C$ 652

Find flight deals from Ontario to O'ahu

Keep the following information in mind while searching for Ontario to O'ahu flight deals. Data was last updated 6 August 2026.

Round-trip from

C$ 461

One-way from

C$ 270

Popular in

July

Cheapest in

November

Average price

C$ 756

Good round-trip deal

C$ 1,037 or less
American Airlines
  • American Airlines
  • 27/10-3/11
  • 2 total stops
  • 39h 20m total
  • Ontario to O'ahu
Search Deals
American Airlines
  • American Airlines
  • 14/10
  • 2 total stops
  • 18h 22m total
  • Ontario to O'ahu
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Ontario to O'ahu.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to O'ahu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Ontario to O'ahu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Fri 11/9

8:40 p.m.-8:55 p.m.

2 stops30h 15m

Honolulu

Fri 18/9

9:55 p.m.-7:50 p.m.

2 stops15h 55m

C$ 643

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Tue 15/9

8:40 p.m.-8:55 p.m.

2 stops30h 15m

Honolulu

Wed 23/9

9:55 p.m.-7:50 p.m.

2 stops15h 55m

C$ 650

HamiltonHonolulu

YHM Hamilton - HNL Honolulu

YHMHNL

Hamilton

Thu 10/12

6:10 p.m.-7:35 p.m.

2 stops30h 25m

Honolulu

Wed 16/12

10:30 p.m.-4:17 p.m.

1 stop12h 47m

C$ 673

HamiltonHonolulu

YHM Hamilton - HNL Honolulu

YHMHNL

Hamilton

Thu 12/11

6:10 p.m.-9:30 p.m.

1 stop32h 20m

Honolulu

Tue 17/11

2:55 p.m.-4:17 p.m.

2 stops20h 22m

C$ 676

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Thu 17/9

8:40 p.m.-8:55 p.m.

2 stops54h 15m

Honolulu

Sun 27/9

9:55 p.m.-7:50 p.m.

2 stops39h 55m

C$ 677

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Thu 1/10

8:40 p.m.-8:55 p.m.

2 stops30h 15m

Honolulu

Wed 7/10

9:55 p.m.-7:50 p.m.

2 stops39h 55m

C$ 697

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Mon 7/9

8:40 p.m.-8:55 p.m.

2 stops54h 15m

Honolulu

Wed 23/9

9:55 p.m.-7:50 p.m.

2 stops15h 55m

C$ 699

TorontoHonolulu

YKF Toronto Region of Waterloo Intl - HNL Honolulu

YKFHNL

Toronto Region of Waterloo Intl

Tue 1/9

8:40 p.m.-8:55 p.m.

2 stops30h 15m

Honolulu

Wed 9/9

9:55 p.m.-7:50 p.m.

2 stops15h 55m

C$ 699

TorontoHonolulu

YYZ Toronto Pearson Intl - HNL Honolulu

YYZHNL

Toronto Pearson Intl

Wed 9/9

6:10 a.m.-4:30 p.m.

2 stops16h 20m

Honolulu

Wed 9/9

8:00 p.m.-2:24 p.m.

1 stop12h 24m

C$ 732

TorontoHonolulu

YYZ Toronto Pearson Intl - HNL Honolulu

YYZHNL

Toronto Pearson Intl

Sun 20/9

6:15 a.m.-9:12 p.m.

2 stops20h 57m

Honolulu

Sat 26/9

3:10 p.m.-3:15 p.m.

2 stops18h 05m

C$ 739

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to O'ahu (average of C$ 595). Flying from Region of Ontario to O'ahu in July is currently the most expensive (average of C$ 940). 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.

How far ahead should I book a flight from Region of Ontario to O'ahu?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to O'ahu. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Ontario to O'ahu. 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 Region of Ontario to O'ahu?

    Departing from Region of Ontario to O'ahu will take you 16h 20m. The distance from Region of Ontario to O'ahu is about 7466 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 229 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 318 and United Airlines from C$ 329 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to O'ahu 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 Region of Ontario to O'ahu?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to O'ahu (average of C$ 595). Flying from Region of Ontario to O'ahu in July is currently the most expensive (average of C$ 940). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to O'ahu

Discover the top 5 airlines that operate flights from Ontario to O'ahu. 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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 228AverageC$ 469FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 278AverageC$ 862FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 359AverageC$ 722FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 388AverageC$ 631FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 414AverageC$ 710FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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 Ontario to O'ahu?

Deals for Ontario to O'ahu flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 O'ahu from Ontario.

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

Yes, we can. To see specific flights from Ontario to O'ahu with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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