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Denmark

$288+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jul 22 — Jul 291
Wed 7/22
Wed 7/29
1 adult, Economy
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Cheap 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 June 22, 2026.

This United Airlines deal was found by Cheapflights users on 6/21. 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 10/2011:10 am
ONT
-
CPH
2 stops18h 00m
United Airlines
Tue 11/310:05 am
CPH
-
ONT
2 stops19h 51m
United Airlines
Deal found 6/21$776
This United Airlines deal was found by Cheapflights users on 6/21. 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 10/201:52 pm
ONT
-
CPH
2 stops35h 58m
United Airlines
Wed 10/2810:35 am
CPH
-
ONT
2 stops33h 26m
United Airlines
Deal found 6/21$783
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/81:50 pm
ONT
-
CPH
2 stops35h 45m
United Airlines
Sat 8/2212:15 pm
CPH
-
ONT
2 stops41h 38m
United Airlines
Deal found 6/18$794
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/157:00 am
ONT
-
CPH
2 stops40h 55m
United Airlines
Sat 8/2212:15 pm
CPH
-
ONT
2 stops41h 38m
United Airlines
Deal found 6/18$795
This United Airlines deal was found by Cheapflights users on 6/22. 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 10/244:03 pm
ONT
-
CPH
2 stops36h 22m
United Airlines
Sat 11/710:05 am
CPH
-
ONT
2 stops21h 48m
United Airlines
Deal found 6/22$797
This United Airlines deal was found by Cheapflights users on 6/20. 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 10/226:00 am
ONT
-
CPH
2 stops19h 50m
United Airlines
Thu 11/510:05 am
CPH
-
ONT
2 stops19h 01m
United Airlines
Deal found 6/20$798
This United Airlines deal was found by Cheapflights users on 6/21. 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 10/239:25 am
ONT
-
CPH
2 stops19h 45m
United Airlines
Fri 11/610:05 am
CPH
-
ONT
2 stops19h 01m
United Airlines
Deal found 6/21$799
This United Airlines deal was found by Cheapflights users on 6/19. 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 10/189:25 am
ONT
-
CPH
2 stops19h 45m
United Airlines
Sun 11/110:05 am
CPH
-
ONT
2 stops19h 01m
United Airlines
Deal found 6/19$800
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/117:00 am
ONT
-
CPH
2 stops16h 55m
United Airlines
Tue 8/2510:10 am
CPH
-
ONT
2 stops19h 43m
United Airlines
Deal found 6/21$815
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/66:10 am
ONT
-
CPH
2 stops19h 40m
United Airlines
Thu 8/202:40 pm
CPH
-
ONT
2 stops17h 19m
United Airlines
Deal found 6/18$821
This Delta deal was found by Cheapflights users on 6/22. 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.
Sat 9/512:00 pm
ONT
-
AAL
2 stops40h 40m
Delta
Wed 9/92:15 pm
AAL
-
ONT
2 stops38h 52m
Delta
Deal found 6/22$821
This Delta deal was found by Cheapflights users on 6/22. 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 9/211:56 am
ONT
-
AAL
2 stops61h 04m
Delta
Tue 9/82:15 pm
AAL
-
ONT
2 stops54h 59m
Delta
Deal found 6/22$871

Find flight deals from Ontario to Denmark

Keep the following information in mind while searching for Ontario to Denmark flight deals. Data was last updated June 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$776
(United Airlines)

One-way from

$288
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$1,015
Provider with most accurate pricing for Los Angeles-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Kastrup Copenhagen flights.
Search Deals
From Ontario to Denmark
Search Deals
One-way flight from Ontario to Denmark
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 22, 2026.
Use the filters below to find and compare flights from Ontario to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 10/20

1:52 pm-10:50 am

2 stops35h 58m

Kastrup Copenhagen

Wed 10/28

10:35 am-12:01 pm

2 stops33h 26m

$783

OntarioAalborg

ONT - AAL

ONTAAL

Ontario

Sun 9/6

1:06 pm-1:40 pm

2 stops15h 34m

Aalborg

Wed 9/9

2:15 pm-10:40 pm

2 stops41h 25m

$821

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Fri 10/23

9:25 am-2:10 pm

2 stops19h 45m

Kastrup Copenhagen

Tue 10/27

10:05 am-11:06 pm

2 stops21h 01m

$853

OntarioAalborg

ONT - AAL

ONTAAL

Ontario

Mon 9/7

6:20 am-1:40 pm

2 stops22h 20m

Aalborg

Thu 9/10

10:30 am-10:04 pm

2 stops44h 34m

$871

OntarioAalborg

ONT - AAL

ONTAAL

Ontario

Wed 9/2

11:56 am-10:00 am

2 stops61h 04m

Aalborg

Tue 9/8

2:15 pm-12:14 pm

2 stops54h 59m

$871

OntarioAalborg

ONT - AAL

ONTAAL

Ontario

Thu 9/3

6:20 am-10:00 am

2 stops42h 40m

Aalborg

Mon 9/7

2:15 pm-12:14 pm

2 stops54h 59m

$871

OntarioBillund

ONT - BLL

ONTBLL

Ontario

Tue 10/6

11:10 am-2:20 pm

2 stops18h 10m

Billund

Sun 10/25

6:35 am-8:56 pm

2 stops22h 21m

$894

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 9/1

7:00 am-8:55 am

2 stops16h 55m

Kastrup Copenhagen

Sun 9/6

6:20 am-8:01 pm

2 stops22h 41m

$897

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 8/11

7:00 am-8:55 am

2 stops16h 55m

Kastrup Copenhagen

Mon 8/17

9:40 am-8:01 pm

2 stops19h 21m

$897

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 8/4

1:50 pm-6:35 pm

2 stops19h 45m

Kastrup Copenhagen

Thu 8/13

9:40 am-8:01 pm

2 stops19h 21m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 38 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 and Delta can get you from Ontario to Denmark in just under 35h 58m. Your travel time can differ by up to 4h 42m. 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.

See more FAQs

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