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$378+ Cheap flights from Ontario (ONT) to Copenhagen (CPH)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Copenhagen (CPH). 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 September 11, 2025.

Round-trip from

$510
(Iberia)

One-way from

$378
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$864
From Ontario to Kastrup Copenhagen
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One-way flight from Ontario to Kastrup Copenhagen
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High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Copenhagen

Cheapest flights from Ontario to Copenhagen
Explore the most affordable flight options available from Ontario to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 12/11:29 pmONT - CPH
2 stops39h 06mUnited Airlines
Thu 12/410:10 amCPH - ONT
2 stops20h 39mUnited Airlines
Deal found 9/10$528
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amONT - CPH
2 stops21h 05mDelta
Thu 1/156:00 amCPH - ONT
2 stops25h 38mDelta
Deal found 9/9$548
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 9/145:10 amONT - CPH
2 stops17h 00mUnited Airlines
Tue 9/1612:45 pmCPH - ONT
2 stops37h 52mUnited Airlines
Deal found 9/10$550
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amONT - CPH
2 stops21h 05mDelta
Mon 1/128:05 amCPH - ONT
2 stops46h 09mDelta
Deal found 9/9$559
This lol.travel deal was found by Cheapflights users on 9/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:02 amONT - CPH
2 stops19h 33mUnited Airlines
Wed 10/298:55 amCPH - ONT
2 stops21h 36mUnited Airlines
Deal found 9/10$565
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:50 amONT - CPH
2 stops22h 15mDelta
Tue 10/146:00 amCPH - ONT
2 stops20h 10mDelta
Deal found 9/9$566
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/237:00 amONT - CPH
2 stops17h 20mUnited Airlines
Wed 11/2610:05 amCPH - ONT
2 stops21h 26mUnited Airlines
Deal found 9/10$576
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/227:02 amONT - CPH
2 stops18h 48mUnited Airlines
Sat 11/110:05 amCPH - ONT
2 stops20h 26mUnited Airlines
Deal found 9/10$582
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/71:15 pmONT - CPH
2 stops36h 35mUnited Airlines
Tue 10/143:00 pmCPH - ONT
2 stops16h 52mUnited Airlines
Deal found 9/9$585
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/301:29 pmONT - CPH
2 stops19h 36mUnited Airlines
Fri 12/51:10 pmCPH - ONT
2 stops18h 39mUnited Airlines
Deal found 9/10$587
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amONT - CPH
2 stops21h 05mDelta
Sun 1/118:05 amCPH - ONT
2 stops46h 09mDelta
Deal found 9/9$596
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/311:40 pmONT - CPH
2 stops18h 55mUnited Airlines
Sat 1/1712:40 pmCPH - ONT
2 stops19h 13mUnited Airlines
Deal found 9/9$600

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Copenhagen 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Copenhagen that are best for you.

Fly from

Ontario

Fly to

Copenhagen

Route

Depart

Return

Price

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 1/5

1:00 pm-7:50 pm

2 stops21h 50m

Kastrup Copenhagen

Tue 1/13

12:05 pm-4:19 pm

2 stops37h 14m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 1/6

1:00 pm-7:50 pm

2 stops21h 50m

Kastrup Copenhagen

Fri 1/16

6:00 am-4:19 pm

2 stops19h 19m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 1/6

5:05 pm-7:50 pm

2 stops41h 45m

Kastrup Copenhagen

Thu 1/15

2:15 pm-4:19 pm

2 stops35h 04m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 1/6

5:05 pm-7:50 pm

2 stops41h 45m

Kastrup Copenhagen

Tue 1/13

2:15 pm-4:19 pm

2 stops35h 04m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 12/31

7:05 am-1:10 pm

2 stops21h 05m

Kastrup Copenhagen

Fri 1/16

6:00 am-10:38 pm

2 stops25h 38m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 1/3

11:45 am-1:10 pm

2 stops40h 25m

Kastrup Copenhagen

Thu 1/15

9:55 am-10:38 pm

2 stops45h 43m

$554

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 1/4

10:29 pm-1:10 pm

2 stops29h 41m

Kastrup Copenhagen

Fri 1/16

6:00 am-10:38 pm

2 stops25h 38m

$554

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 1/4

10:29 pm-1:10 pm

2 stops29h 41m

Kastrup Copenhagen

Thu 1/15

6:00 am-10:38 pm

2 stops25h 38m

$554

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 1/4

10:29 pm-1:10 pm

2 stops29h 41m

Kastrup Copenhagen

Wed 1/14

12:05 pm-4:19 pm

2 stops37h 14m

$554

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 1/3

10:29 pm-1:10 pm

2 stops29h 41m

Kastrup Copenhagen

Tue 1/13

2:15 pm-4:19 pm

2 stops35h 04m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Copenhagen (average of $523). Flying from Ontario to Copenhagen in June is currently the most expensive (average of $910). 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 ONT to CPH?

Find hourly flight availability from Ontario to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Ontario to Copenhagen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Copenhagen. 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 Ontario to Copenhagen?

    Departing from Ontario to Copenhagen will take you 21h 50m. Ontario and Copenhagen are separated by a distance of 5579 mi.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Copenhagen (average of $523). Flying from Ontario to Copenhagen in June is currently the most expensive (average of $910). 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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