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Denmark

$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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$529
(British Airways)

One-way from

$405
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$698
Provider with most accurate pricing for Los Angeles-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Kastrup Copenhagen flights.
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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 ($52 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 November 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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/5. 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 12/21:34 pmONT - CPH
2 stops19h 01mUnited Airlines
Thu 12/1110:10 amCPH - ONT
2 stops21h 39mUnited Airlines
Deal found 11/5$547
This Delta deal was found by Cheapflights users on 11/6. 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 11/126:00 amONT - BLL
2 stops23h 35mDelta
Sun 11/162:30 pmBLL - ONT
2 stops38h 12mDelta
Deal found 11/6$552
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/295:05 amONT - CPH
2 stops21h 55mUnited Airlines
Mon 1/1210:10 amCPH - ONT
2 stops21h 43mUnited Airlines
Deal found 11/5$561
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/125:05 amONT - BLL
2 stops23h 20mUnited Airlines
Sun 11/1610:25 amBLL - ONT
2 stops21h 06mUnited Airlines
Deal found 11/5$569
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/277:00 amONT - CPH
2 stops19h 25mUnited Airlines
Thu 12/1110:10 amCPH - ONT
2 stops21h 39mUnited Airlines
Deal found 11/5$572
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/267:00 amONT - CPH
2 stops19h 25mUnited Airlines
Sat 12/61:10 pmCPH - ONT
2 stops18h 39mUnited Airlines
Deal found 11/5$574
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/3110:42 amONT - CPH
2 stops16h 43mUnited Airlines
Mon 1/1210:10 amCPH - ONT
2 stops21h 43mUnited Airlines
Deal found 11/5$640
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/276:04 amONT - CPH
2 stops21h 21mUnited Airlines
Sat 1/1010:05 amCPH - ONT
2 stops44h 53mUnited Airlines
Deal found 11/6$739
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/285:05 amONT - CPH
2 stops27h 30mUnited Airlines
Sun 1/112:30 pmCPH - ONT
2 stops41h 23mUnited Airlines
Deal found 11/5$743
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/291:29 pmONT - CPH
2 stops19h 06mUnited Airlines
Sat 12/68:55 amCPH - ONT
2 stops17h 42mUnited Airlines
Deal found 11/5$747
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:19 pmONT - CPH
2 stops16h 36mMultiple Airlines
Thu 12/118:40 amCPH - ONT
2 stops18h 38mMultiple Airlines
Deal found 11/6$785
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/155:05 amONT - CPH
2 stops23h 30mUnited Airlines
Wed 12/246:50 amCPH - ONT
2 stops44h 01mUnited Airlines
Deal found 11/4$1,088

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 November 6, 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

Wed 2/4

3:09 pm-9:50 pm

2 stops21h 41m

Kastrup Copenhagen

Mon 2/16

6:45 am-10:08 pm

2 stops24h 23m

$529

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 2/3

1:10 pm-7:50 pm

2 stops21h 40m

Kastrup Copenhagen

Tue 2/17

12:05 pm-11:53 pm

2 stops44h 48m

$537

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 2/2

1:10 pm-7:50 pm

2 stops21h 40m

Kastrup Copenhagen

Tue 2/17

6:00 am-12:09 pm

2 stops39h 09m

$537

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 2/4

7:30 am-1:10 pm

2 stops44h 40m

Kastrup Copenhagen

Wed 2/18

12:05 pm-4:04 pm

2 stops36h 59m

$537

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 2/4

7:30 am-1:10 pm

2 stops44h 40m

Kastrup Copenhagen

Tue 2/17

8:10 am-12:09 pm

2 stops60h 59m

$537

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 2/3

7:30 am-7:50 pm

2 stops27h 20m

Kastrup Copenhagen

Mon 2/16

2:15 pm-4:04 pm

2 stops34h 49m

$537

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 2/5

7:30 am-1:10 pm

2 stops44h 40m

Kastrup Copenhagen

Wed 2/18

12:05 pm-11:53 pm

2 stops44h 48m

$539

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 2/4

7:30 am-1:10 pm

2 stops44h 40m

Kastrup Copenhagen

Sat 2/14

2:20 pm-9:48 pm

2 stops40h 28m

$540

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 2/4

7:30 am-1:10 pm

2 stops44h 40m

Kastrup Copenhagen

Sun 2/15

8:10 am-11:53 pm

2 stops48h 43m

$540

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 2/2

7:30 am-7:50 pm

2 stops27h 20m

Kastrup Copenhagen

Sat 2/14

12:05 pm-9:48 pm

2 stops42h 43m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 27 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 $459). 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 November 6, 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?

    British Airways, Delta, and United Airlines can get you from Ontario to Denmark in just under 21h 40m. Your travel time can differ by up to 16h 47m. 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 $459). 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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