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$630+ Cheap flights from Copenhagen (CPH) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Copenhagen to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$630
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$779
From Kastrup Copenhagen to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Copenhagen to Ontario

Cheapest flights from Copenhagen to Ontario
Explore the most affordable flight options available from Copenhagen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:10 amCPH - ONT
2 stops24h 15mUnited Airlines
Tue 9/167:00 amONT - CPH
2 stops15h 30mUnited Airlines
Deal found 8/16$630
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:30 amCPH - ONT
2 stops20h 53mAmerican Airlines
Mon 11/103:08 pmONT - CPH
2 stops35h 22mAmerican Airlines
Deal found 8/14$634
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:45 pmCPH - ONT
2 stops16h 58mMultiple Airlines
Tue 9/166:00 amONT - CPH
2 stops16h 30mMultiple Airlines
Deal found 8/14$645
This Flysmarter deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:05 amCPH - ONT
2 stops23h 28mAir Canada
Thu 9/46:00 amONT - CPH
2 stops19h 50mAir Canada
Deal found 8/16$686
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:45 pmCPH - ONT
2 stops18h 45mMultiple Airlines
Sun 9/216:00 amONT - CPH
2 stops16h 10mMultiple Airlines
Deal found 8/16$695
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:50 amCPH - ONT
2 stops19h 53mUnited Airlines
Thu 1/810:40 amONT - CPH
2 stops16h 45mUnited Airlines
Deal found 8/14$718
This American Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:30 pmCPH - ONT
2 stops18h 28mAmerican Airlines
Sat 1/38:47 amONT - CPH
2 stops17h 58mAmerican Airlines
Deal found 8/16$743
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:55 pmCPH - ONT
2 stops16h 57mUnited Airlines
Sun 9/285:05 amONT - CPH
2 stops17h 05mUnited Airlines
Deal found 8/14$817
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:25 pmCPH - ONT
2 stops17h 18mMultiple Airlines
Mon 9/16:00 amONT - CPH
2 stops16h 00mMultiple Airlines
Deal found 8/16$827
This American Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:35 amCPH - ONT
2 stops20h 02mAmerican Airlines
Sat 1/38:47 amONT - CPH
2 stops17h 58mAmerican Airlines
Deal found 8/16$848

Cheapflights Fare Finder

 
Customize your flight search to find flights from Copenhagen 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 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Copenhagen to Ontario that are best for you.

Fly from

Copenhagen

Fly to

Ontario

Route

Depart

Return

Price

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 9/18

6:10 am-10:30 pm

2 stops25h 20m

Ontario

Sat 9/27

5:05 am-7:10 am

2 stops17h 05m

$630

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 9/4

6:10 am-9:25 pm

2 stops24h 15m

Ontario

Tue 9/16

7:00 am-7:30 am

2 stops15h 30m

$630

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/6

10:30 am-10:23 pm

2 stops20h 53m

Ontario

Mon 11/10

3:08 pm-11:30 am

2 stops35h 22m

$634

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 9/9

12:45 pm-8:43 pm

2 stops16h 58m

Ontario

Tue 9/16

6:00 am-7:30 am

2 stops16h 30m

$645

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/31

6:05 am-8:33 pm

2 stops23h 28m

Ontario

Thu 9/4

6:00 am-10:50 am

2 stops19h 50m

$686

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 9/5

12:45 pm-10:30 pm

2 stops18h 45m

Ontario

Sun 9/21

6:00 am-7:10 am

2 stops16h 10m

$695

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 12/26

6:50 am-5:43 pm

2 stops19h 53m

Ontario

Thu 1/8

10:40 am-12:25 pm

2 stops16h 45m

$718

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 12/14

11:50 am-9:58 pm

2 stops19h 08m

Ontario

Mon 1/5

3:06 pm-4:10 pm

2 stops16h 04m

$743

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 12/14

11:50 am-9:58 pm

2 stops19h 08m

Ontario

Wed 12/31

8:47 am-11:20 am

2 stops17h 33m

$743

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 10/29

12:55 pm-10:45 pm

2 stops17h 50m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 21 results
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Best time to book a flight from Copenhagen to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Copenhagen 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 Copenhagen to Ontario

What is the cheapest month to book a flight from Copenhagen to Ontario?

Currently, August is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $246). Flying from Copenhagen to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

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

  • Can I find deals for flights from Copenhagen to Ontario that include hotel bookings?

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

  • How can I find direct flights from Copenhagen to Ontario?

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

  • Can I find deals for business class flights from Copenhagen to Ontario?

    Yes. Cheapflights offers flight deals from Copenhagen 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 Copenhagen to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $246). Flying from Copenhagen to Ontario in March is currently the most expensive (average of $328). 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

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