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$405+ Cheap flights from Ontario (ONT) to Denmark

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Ontario to Denmark

Keep the following information in mind while searching for Ontario to Denmark flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$528
(United Airlines)

One-way from

$405
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$629
Provider with most accurate pricing for Los Angeles-Kastrup Copenhagen flight deals.
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From Ontario to Denmark
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One-way flight from Ontario to Denmark
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Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Denmark

Cheapest flights from Ontario to Denmark
Explore the most affordable flight options available from Ontario to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 11/111:33 pmONT - CPH
2 stops19h 02mUnited Airlines
vie. 12/510:10 amCPH - ONT
2 stops20h 39mUnited Airlines
Deal found 10/28$548
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 10/297:00 amONT - CPH
2 stops20h 25mUnited Airlines
vie. 11/710:10 amCPH - ONT
2 stops21h 41mUnited Airlines
Deal found 10/29$550
This Delta deal was found by Cheapflights users on 10/28. 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.
mié. 11/126:45 amONT - BLL
2 stops22h 50mDelta
dom. 11/1610:20 amBLL - ONT
2 stops38h 49mDelta
Deal found 10/28$554
This United Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 11/307:00 amONT - CPH
2 stops26h 05mUnited Airlines
vie. 12/510:10 amCPH - ONT
2 stops21h 39mUnited Airlines
Deal found 10/30$561
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mié. 12/101:50 pmONT - CPH
2 stops19h 15mUnited Airlines
mié. 12/171:10 pmCPH - ONT
2 stops18h 39mUnited Airlines
Deal found 10/30$563
This United Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 11/307:00 amONT - CPH
2 stops19h 25mUnited Airlines
dom. 12/141:10 pmCPH - ONT
2 stops18h 39mUnited Airlines
Deal found 10/30$637
This United Airlines deal was found by Cheapflights users on 10/29. 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.
dom. 11/27:00 amONT - CPH
2 stops25h 30mUnited Airlines
mar. 11/1110:10 amCPH - ONT
2 stops20h 39mUnited Airlines
Deal found 10/29$750
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mar. 11/41:33 pmONT - CPH
2 stops19h 02mUnited Airlines
dom. 11/910:05 amCPH - ONT
2 stops20h 44mUnited Airlines
Deal found 10/30$771
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mar. 12/91:34 pmONT - CPH
2 stops19h 01mUnited Airlines
lun. 1/1910:10 amCPH - ONT
2 stops21h 43mUnited Airlines
Deal found 10/29$773
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 12/245:05 amONT - CPH
2 stops28h 00mUnited Airlines
sáb. 1/2410:05 amCPH - ONT
2 stops20h 53mUnited Airlines
Deal found 10/29$786
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 11/81:32 pmONT - CPH
2 stops39h 03mUnited Airlines
dom. 11/166:50 amCPH - ONT
2 stops23h 59mUnited Airlines
Deal found 10/29$790
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mié. 11/125:05 amONT - BLL
2 stops23h 20mUnited Airlines
dom. 11/166:30 amBLL - ONT
3 stops25h 21mUnited Airlines
Deal found 10/30$835

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Denmark 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 octubre 30, 2025.
Use the filters below to find and compare flights from Ontario to Denmark that are best for you.

Fly from

Ontario

Fly to

Denmark

Route

Depart

Return

Price

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

mar. 3/31

6:00 am-10:50 am

2 stops19h 50m

Kastrup Copenhagen

mar. 4/14

12:25 pm-6:00 pm

2 stops38h 35m

$528

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

mar. 11/11

1:33 pm-5:35 pm

2 stops19h 02m

Kastrup Copenhagen

vie. 12/5

10:10 am-9:49 pm

2 stops20h 39m

$548

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

dom. 11/30

7:00 am-6:05 pm

2 stops26h 05m

Kastrup Copenhagen

vie. 12/5

10:10 am-10:49 pm

2 stops21h 39m

$561

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

mié. 12/10

1:50 pm-6:05 pm

2 stops19h 15m

Kastrup Copenhagen

mié. 12/17

1:10 pm-10:49 pm

2 stops18h 39m

$563

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

vie. 3/27

10:30 pm-6:55 pm

2 stops36h 25m

Kastrup Copenhagen

mar. 3/31

9:25 am-4:19 pm

2 stops39h 54m

$600

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

dom. 11/30

7:00 am-11:25 am

2 stops19h 25m

Kastrup Copenhagen

dom. 12/14

1:10 pm-10:49 pm

2 stops18h 39m

$637

OntarioBillund

ONT - BLL

ONTBLL

Ontario

mié. 1/7

6:00 am-1:25 pm

2 stops22h 25m

Billund

mié. 6/24

6:00 am-10:45 pm

2 stops25h 45m

$646

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

vie. 3/27

5:40 am-9:50 am

2 stops44h 10m

Kastrup Copenhagen

mar. 3/31

12:25 pm-6:00 pm

3 stops38h 35m

$720

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

vie. 3/27

5:40 am-9:50 am

2 stops44h 10m

Kastrup Copenhagen

mar. 3/31

12:25 pm-8:17 pm

2 stops40h 52m

$721

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

mar. 12/9

1:34 pm-5:35 pm

2 stops19h 01m

Kastrup Copenhagen

lun. 1/19

10:10 am-10:53 pm

2 stops21h 43m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 29 results
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Best time to book a flight from Ontario to Denmark

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Denmark (average of $457). Flying from Ontario to Denmark in June is currently the most expensive (average of $605). 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 DK?

Find hourly flight availability from Ontario to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s optimal to fly from Ontario to Denmark in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Denmark?

    For a flight from Ontario to Denmark, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Denmark?

    United Airlines, Delta, and KLM can get you from Ontario to Denmark in just under 19h 50m. Your travel time can differ by up to 34h 25m. Airlines will cover a distance of 5579 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Ontario to Denmark?

    The most popular flight routes from Ontario to Denmark are Ontario - Kastrup Copenhagen, Ontario - Billund and Ontario - Aalborg.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Denmark (average of $457). Flying from Ontario to Denmark in June is currently the most expensive (average of $605). 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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