Denmark

$399+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Aug 4 — Aug 111
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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 July 30, 2025.

Round-trip from

$544
(Ovago)

One-way from

$401
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$755
From Ontario to Denmark
One-way flight from Ontario to Denmark
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amONT - BLL
2 stops22h 35mDelta
Sun 11/1610:20 amBLL - ONT
2 stops39h 57mDelta
Deal found 7/29$545
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/75:10 amONT - CPH
2 stops17h 00mUnited Airlines
Fri 9/1212:25 pmCPH - ONT
2 stops17h 18mUnited Airlines
Deal found 7/30$566
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 12/35:05 amONT - BLL
2 stops23h 25mUnited Airlines
Sun 12/710:25 amBLL - ONT
2 stops21h 24mUnited Airlines
Deal found 7/28$588
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:22 pmONT - CPH
2 stops26h 08mMultiple Airlines
Thu 9/412:25 pmCPH - ONT
2 stops19h 08mMultiple Airlines
Deal found 7/29$604
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:50 amONT - CPH
2 stops38h 25mIberia
Sun 9/711:05 amCPH - ONT
2 stops21h 54mIberia
Deal found 7/30$674
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:47 pmONT - BLL
2 stops17h 38mBritish Airways
Thu 11/61:00 pmBLL - ONT
2 stops19h 57mBritish Airways
Deal found 7/29$960
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:05 amONT - CPH
1 stop18h 45mDelta
Thu 9/49:00 amCPH - ONT
2 stops34h 35mDelta
Deal found 7/29$1,024

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 July 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

OntarioBillund

ONT - BLL

ONTBLL

Ontario

Wed 11/12

7:00 am-2:35 pm

2 stops22h 35m

Billund

Sun 11/16

10:20 am-5:17 pm

2 stops39h 57m

$545

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 9/7

5:10 am-7:10 am

2 stops17h 00m

Kastrup Copenhagen

Fri 9/12

12:25 pm-8:43 pm

2 stops17h 18m

$566

OntarioBillund

ONT - BLL

ONTBLL

Ontario

Wed 12/3

5:05 am-1:30 pm

2 stops23h 25m

Billund

Sun 12/7

10:25 am-10:49 pm

2 stops21h 24m

$588

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 8/28

12:22 pm-11:30 pm

2 stops26h 08m

Kastrup Copenhagen

Thu 9/4

12:25 pm-10:33 pm

2 stops19h 08m

$604

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 8/24

10:50 am-10:15 am

2 stops38h 25m

Kastrup Copenhagen

Sun 9/7

11:05 am-11:59 pm

2 stops21h 54m

$674

OntarioBillund

ONT - BLL

ONTBLL

Ontario

Wed 10/8

12:47 pm-3:25 pm

2 stops17h 38m

Billund

Thu 11/6

1:00 pm-11:57 pm

2 stops19h 57m

$960

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 8/28

7:05 am-10:50 am

1 stop18h 45m

Kastrup Copenhagen

Thu 9/4

9:00 am-10:35 am

2 stops34h 35m

$1,024

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 9/1

5:10 am-7:00 am

2 stops16h 50m

$399

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 9/29

5:05 am-10:50 am

2 stops20h 45m

$436

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 11/15

4:47 pm-7:00 pm

2 stops17h 13m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 17 results
1
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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 $523). Flying from Ontario to Denmark in June is currently the most expensive (average of $912). 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Denmark as you normally would.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denmark. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Ontario to Denmark. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Ontario to Denmark one-way?

    One-way options have recently been found by users for as low as $401 on United Airlines. Other airlines that offer cheap prices include Air Canada from $436 and British Airways from $469 one-way.

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

  • 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 $523). Flying from Ontario to Denmark in June is currently the most expensive (average of $912). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Denmark

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Denmark

Discover the top airline that operate flights from Ontario to Denmark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$692Average$791FlexibilityNo cancel feeOn-timeN/A

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