HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Copenhagen

$377+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Copenhagen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 17, 2025.

Round-trip from

$528
(United Airlines)

One-way from

$377
(Flysmarter)

Popular in

January

Cheapest in

December

Average price

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

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 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 11/167:00 amONT - CPH
2 stops17h 20mUnited Airlines
Tue 11/186:50 amCPH - ONT
2 stops22h 54mUnited Airlines
Deal found 9/17$528
This United Airlines deal was found by Cheapflights users on 9/14. 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 stops19h 25mUnited Airlines
Tue 11/258:55 amCPH - ONT
2 stops17h 39mUnited Airlines
Deal found 9/14$551
This Iberia deal was found by Cheapflights users on 9/16. 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.
Thu 11/66:10 amONT - CPH
2 stops20h 05mMultiple Airlines
Thu 11/201:05 pmCPH - ONT
2 stops19h 52mMultiple Airlines
Deal found 9/16$569
This United Airlines deal was found by Cheapflights users on 9/14. 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 stops19h 25mUnited Airlines
Wed 11/2610:05 amCPH - ONT
2 stops21h 46mUnited Airlines
Deal found 9/14$577
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:15 pmONT - CPH
3 stops32h 55mMultiple Airlines
Fri 9/261:00 pmCPH - ONT
2 stops32h 13mMultiple Airlines
Deal found 9/16$587
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/207:00 amONT - CPH
2 stops39h 10mUnited Airlines
Fri 9/2612:25 pmCPH - ONT
2 stops38h 24mUnited Airlines
Deal found 9/16$602
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amONT - CPH
2 stops15h 30mMultiple Airlines
Tue 9/2312:45 pmCPH - ONT
2 stops18h 45mMultiple Airlines
Deal found 9/15$603
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/2711:59 pmONT - CPH
2 stops26h 26mUnited Airlines
Sun 1/116:50 amCPH - ONT
2 stops25h 03mUnited Airlines
Deal found 9/15$609
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/161:42 pmONT - CPH
2 stops19h 43mUnited Airlines
Thu 9/189:40 amCPH - ONT
2 stops21h 50mUnited Airlines
Deal found 9/16$610
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/245:05 amONT - CPH
2 stops20h 45mUnited Airlines
Fri 10/3110:10 amCPH - ONT
2 stops20h 41mUnited Airlines
Deal found 9/14$611
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/236:36 pmONT - CPH
2 stops17h 04mUnited Airlines
Sat 11/110:05 amCPH - ONT
2 stops20h 26mUnited Airlines
Deal found 9/16$623

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 17, 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

Sun 11/16

7:00 am-9:20 am

2 stops17h 20m

Kastrup Copenhagen

Tue 11/18

6:50 am-8:44 pm

2 stops22h 54m

$528

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 3/4

1:00 pm-7:50 pm

2 stops21h 50m

Kastrup Copenhagen

Wed 3/18

6:45 am-10:38 pm

2 stops23h 53m

$538

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 3/3

6:00 am-5:00 pm

2 stops26h 00m

Kastrup Copenhagen

Wed 3/18

6:45 am-10:38 pm

2 stops23h 53m

$538

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 3/3

6:45 am-2:40 pm

2 stops22h 55m

Kastrup Copenhagen

Thu 3/19

6:00 am-10:38 pm

2 stops24h 38m

$539

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 3/3

6:45 am-2:40 pm

2 stops22h 55m

Kastrup Copenhagen

Fri 3/20

6:00 am-11:52 pm

2 stops25h 52m

$539

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 3/4

6:45 am-2:40 pm

2 stops22h 55m

Kastrup Copenhagen

Fri 3/20

6:00 am-11:52 pm

2 stops25h 52m

$539

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 3/4

6:45 am-5:00 pm

2 stops25h 15m

Kastrup Copenhagen

Thu 3/19

6:00 am-4:19 pm

2 stops18h 19m

$539

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 11/23

7:00 am-11:25 am

2 stops19h 25m

Kastrup Copenhagen

Tue 11/25

8:55 am-5:34 pm

2 stops17h 39m

$551

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 3/8

6:02 am-12:25 pm

2 stops22h 23m

Kastrup Copenhagen

Wed 3/11

10:05 am-10:45 pm

2 stops20h 40m

$574

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 10/30

7:00 am-9:20 am

2 stops18h 20m

Kastrup Copenhagen

Thu 11/6

2:20 pm-10:51 pm

2 stops17h 31m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 results
1
2
3

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 $911). 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 17, 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 17h 20m. Ontario and Copenhagen are separated by a distance of 5579 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $911). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Copenhagen flights
San Francisco to Copenhagen flights
Burbank to Copenhagen flights
Santa Ana to Copenhagen flights
San Jose to Copenhagen flights
San Diego to Copenhagen flights
Oakland to Copenhagen flights
Las Vegas to Copenhagen flights
Los Angeles to Billund flights
Sacramento to Copenhagen flights
Long Beach to Copenhagen flights
San Francisco to Billund flights
Santa Rosa to Copenhagen flights
San Francisco to Aarhus flights
Fresno to Copenhagen flights
San Jose to Billund flights
Reno to Copenhagen flights
Ontario to Billund flights
Oakland to Aalborg flights
San Francisco to Aalborg flights
Los Angeles to Aarhus flights
Las Vegas to Aalborg flights
Las Vegas to Aarhus flights
Los Angeles to Aalborg flights
Ontario to Aalborg flights
Monterey to Copenhagen flights
Palm Springs to Billund flights
Las Vegas to Billund flights
Santa Ana to Billund flights
Oakland to Billund flights
Los Angeles to Esbjerg flights
San Diego to Billund flights
San Diego to Aarhus flights
San Francisco to Esbjerg flights
San Francisco to Karup flights
San Francisco to Sønderborg flights
Oakland to Aarhus flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.