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Cheap flights from O'ahu to Ontario from C$ 227

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — YYZ
7 Aug — 14 Aug1
1 adult

Cheap 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 2 August 2025.

Round-trip from

C$ 519

One-way from

C$ 227

Popular in

April

Cheapest in

January

Average price

C$ 972
WestJet
  • WestJet
  • 3/12-8/12
  • 2 total stops
  • 54h 30m total
  • O'ahu to Ontario
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WestJet
  • WestJet
  • 1/12
  • 1 total stop
  • 25h 18m total
  • O'ahu to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from O'ahu to Ontario

Cheapest flights from O'ahu to Ontario
Explore the most affordable flight options available from O'ahu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.

Wed 3/123:55 p.m.HNL - YYZ
1 stop33h 13mWestJet
Mon 8/126:30 a.m.YYZ - HNL
1 stop21h 17mWestJet
Deal found 1/8C$ 519
Mon 15/910:05 p.m.HNL - YUL
2 stops15h 37mMultiple Airlines
Thu 25/95:30 p.m.YUL - HNL
2 stops34h 06mMultiple Airlines
Deal found 31/7C$ 615
Mon 13/108:36 p.m.HNL - YYZ
1 stop28h 23mMultiple Airlines
Mon 20/1010:25 p.m.YYZ - HNL
1 stop29h 11mMultiple Airlines
Deal found 31/7C$ 617
Tue 9/910:45 p.m.HNL - YUL
2 stops19h 56mWestJet
Sun 14/97:00 a.m.YUL - HNL
2 stops20h 36mWestJet
Deal found 2/8C$ 658
Mon 15/95:15 p.m.HNL - YUL
1 stop11h 25mUnited Airlines
Thu 25/96:15 a.m.YUL - HNL
1 stop13h 11mUnited Airlines
Deal found 31/7C$ 682
Sun 12/103:02 p.m.HNL - YYZ
1 stop15h 08mDelta
Mon 20/106:00 a.m.YYZ - HNL
1 stop14h 23mDelta
Deal found 1/8C$ 767
Fri 12/128:45 p.m.HNL - YYZ
1 stop13h 16mUnited Airlines
Fri 2/18:55 a.m.YYZ - HNL
2 stops17h 13mUnited Airlines
Deal found 31/7C$ 790
Wed 15/1010:15 p.m.HNL - YUL
2 stops18h 59mDelta
Sat 18/106:00 a.m.YUL - HNL
2 stops19h 09mDelta
Deal found 31/7C$ 879
Wed 3/99:40 p.m.HNL - YUL
1 stop16h 48mAir Canada
Mon 8/96:45 p.m.YUL - HNL
1 stop22h 43mAir Canada
Deal found 2/8C$ 918
Mon 15/910:05 p.m.HNL - YTZ
2 stops14h 40mAir Canada
Mon 22/910:25 a.m.YTZ - HNL
2 stops16h 25mAir Canada
Deal found 1/8C$ 983
Mon 15/92:15 p.m.HNL - YTZ
1 stop15h 44mMultiple Airlines
Mon 22/93:10 p.m.YTZ - HNL
2 stops26h 27mMultiple Airlines
Deal found 1/8C$ 1,334

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'ahu to Ontario 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 2 August 2025.
Use the filters below to find and compare flights from O'ahu to Ontario that are best for you.

Fly from

O'ahu

Fly to

Ontario

Route

Depart

Return

Price

HonoluluToronto

HNL - YYZ

HNLYYZ

Honolulu

Wed 3/12

3:55 p.m.-6:08 a.m.

1 stop33h 13m

Toronto Pearson Intl

Mon 8/12

6:30 a.m.-10:47 p.m.

1 stop21h 17m

C$ 519

HonoluluMontreal

HNL - YUL

HNLYUL

Honolulu

Mon 15/9

10:05 p.m.-7:42 p.m.

2 stops15h 37m

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

5:30 p.m.-9:36 p.m.

2 stops34h 06m

C$ 615

HonoluluToronto

HNL - YYZ

HNLYYZ

Honolulu

Mon 13/10

8:36 p.m.-6:59 a.m.

1 stop28h 23m

Toronto Pearson Intl

Mon 20/10

10:25 p.m.-9:36 p.m.

1 stop29h 11m

C$ 617

HonoluluMontreal

HNL - YUL

HNLYUL

Honolulu

Mon 15/9

5:15 p.m.-10:40 a.m.

1 stop11h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:15 a.m.-1:26 p.m.

1 stop13h 11m

C$ 682

HonoluluMontreal

HNL - YUL

HNLYUL

Honolulu

Sun 14/9

10:45 p.m.-12:41 a.m.

2 stops19h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

6:45 a.m.-9:36 p.m.

2 stops44h 51m

C$ 705

HonoluluToronto

HNL - YYZ

HNLYYZ

Honolulu

Sun 12/10

3:02 p.m.-12:10 p.m.

1 stop15h 08m

Toronto Pearson Intl

Mon 20/10

6:00 a.m.-2:23 p.m.

1 stop14h 23m

C$ 767

HonoluluToronto

HNL - YYZ

HNLYYZ

Honolulu

Fri 12/12

8:45 p.m.-3:01 p.m.

1 stop13h 16m

Toronto Pearson Intl

Fri 2/1

8:55 a.m.-9:08 p.m.

2 stops17h 13m

C$ 790

HonoluluMontreal

HNL - YUL

HNLYUL

Honolulu

Wed 15/10

10:15 p.m.-11:14 p.m.

2 stops18h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

6:00 a.m.-7:09 p.m.

2 stops19h 09m

C$ 879

HonoluluMontreal

HNL - YUL

HNLYUL

Honolulu

Wed 3/9

9:40 p.m.-8:28 p.m.

1 stop16h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

6:45 p.m.-11:28 a.m.

1 stop22h 43m

C$ 918

HonoluluToronto

HNL - YTZ

HNLYTZ

Honolulu

Mon 15/9

10:05 p.m.-6:45 p.m.

2 stops14h 40m

Toronto Island

Mon 22/9

10:25 a.m.-8:50 p.m.

2 stops16h 25m

C$ 983

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 25 results
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Best time to book a flight from O'ahu to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from O'ahu 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 O'ahu to Ontario

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

Currently, January is the cheapest month in which you can book a flight from O'ahu to Region of Ontario (average of C$ 167). Flying from O'ahu to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.

What is the cheapest time of day to fly from FUW to ON?

Find hourly flight availability from O'ahu to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from O'ahu to Region of Ontario as you normally would.

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 2 August 2025.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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$ 227), Air Canada (C$ 263), and American Airlines (C$ 285).

  • 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, January is the cheapest month in which you can book a flight from O'ahu to Region of Ontario (average of C$ 167). Flying from O'ahu to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 O'ahu to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from O'ahu to Ontario

Discover the top 2 airlines 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 2 August 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 541AverageC$ 889FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 786AverageC$ 1,325FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines 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 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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