HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Copenhagen

$407+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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

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 January 27, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:57 pm
ONT
-
CPH
2 stops18h 23m
British Airways
Thu 11/58:55 am
CPH
-
ONT
2 stops18h 27m
British Airways
Deal found 1/26$528
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:02 pm
ONT
-
CPH
2 stops19h 48m
British Airways
Wed 3/410:30 am
CPH
-
ONT
2 stops21h 19m
British Airways
Deal found 1/26$540
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 9/1412:00 pm
ONT
-
CPH
2 stops22h 55m
Delta
Wed 9/309:00 am
CPH
-
ONT
2 stops21h 56m
Delta
Deal found 1/25$546
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:02 pm
ONT
-
CPH
2 stops16h 58m
British Airways
Tue 3/310:30 am
CPH
-
ONT
2 stops21h 19m
British Airways
Deal found 1/26$551
This Delta deal was found by Cheapflights users on 1/25. 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.
Sun 9/1310:59 pm
ONT
-
CPH
2 stops35h 56m
Delta
Tue 9/299:00 am
CPH
-
ONT
2 stops21h 56m
Delta
Deal found 1/25$552
This Delta deal was found by Cheapflights users on 1/25. 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.
Fri 9/1110:59 pm
ONT
-
CPH
2 stops46h 46m
Delta
Tue 9/299:00 am
CPH
-
ONT
2 stops21h 56m
Delta
Deal found 1/25$555
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:02 pm
ONT
-
CPH
2 stops17h 58m
British Airways
Tue 3/318:50 am
CPH
-
ONT
2 stops18h 52m
British Airways
Deal found 1/26$559
This Delta deal was found by Cheapflights users on 1/25. 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 9/127:00 am
ONT
-
CPH
2 stops38h 45m
Delta
Tue 9/299:00 am
CPH
-
ONT
2 stops21h 56m
Delta
Deal found 1/25$560
This United Airlines deal was found by Cheapflights users on 1/25. 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 9/126:30 pm
ONT
-
CPH
2 stops36h 55m
United Airlines
Thu 10/112:25 pm
CPH
-
ONT
2 stops43h 01m
United Airlines
Deal found 1/25$562
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:39 pm
ONT
-
CPH
2 stops17h 41m
British Airways
Thu 3/127:50 pm
CPH
-
ONT
2 stops34h 40m
British Airways
Deal found 1/26$571
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:52 pm
ONT
-
CPH
2 stops21h 18m
British Airways
Tue 5/129:45 pm
CPH
-
ONT
2 stops27h 37m
British Airways
Deal found 1/27$572
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/165:15 am
ONT
-
CPH
2 stops23h 10m
United Airlines
Mon 3/2310:10 am
CPH
-
ONT
2 stops39h 31m
United Airlines
Deal found 1/26$575

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$540
(oojo)

One-way from

$407
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$623
Provider with most accurate pricing for Ontario-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kastrup Copenhagen flights.
Search Deals
From Ontario to Kastrup Copenhagen
Search Deals
One-way flight from Ontario to Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Wed 2/25

5:02 pm-9:50 pm

2 stops19h 48m

Kastrup Copenhagen

Wed 3/4

10:30 am-10:49 pm

2 stops21h 19m

$540

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 2/17

5:02 pm-7:00 pm

2 stops16h 58m

Kastrup Copenhagen

Tue 3/3

10:30 am-10:49 pm

2 stops21h 19m

$551

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 4/19

4:52 pm-8:50 pm

2 stops18h 58m

Kastrup Copenhagen

Tue 4/28

8:50 am-6:37 pm

2 stops18h 47m

$559

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 3/10

3:19 pm-4:55 pm

2 stops17h 36m

Kastrup Copenhagen

Mon 3/16

1:00 pm-10:49 pm

2 stops41h 49m

$560

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 2/16

5:02 pm-9:45 pm

2 stops19h 43m

Kastrup Copenhagen

Mon 3/2

8:25 pm-4:22 pm

2 stops28h 57m

$583

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 4/19

12:19 pm-8:50 pm

2 stops23h 31m

Kastrup Copenhagen

Wed 5/13

8:50 am-6:37 pm

2 stops18h 47m

$598

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 4/4

5:10 am-10:50 am

2 stops20h 40m

Kastrup Copenhagen

Fri 4/10

12:45 pm-10:26 pm

2 stops18h 41m

$601

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 4/6

6:00 am-10:50 am

2 stops19h 50m

Kastrup Copenhagen

Fri 4/10

12:45 pm-10:26 pm

2 stops18h 41m

$601

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 4/19

4:52 pm-8:50 pm

2 stops18h 58m

Kastrup Copenhagen

Thu 4/30

10:50 am-9:59 pm

2 stops20h 09m

$601

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 4/14

7:00 am-10:50 am

2 stops18h 50m

Kastrup Copenhagen

Wed 6/24

12:25 pm-5:18 pm

2 stops37h 53m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 23 results
1
2
3
  • Most accurate provider: When it comes to deals on Ontario-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Copenhagen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Ontario to Copenhagen (average of $460). Flying from Ontario to Copenhagen in June is currently the most expensive (average of $600). 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.

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 19h 48m. Ontario and Copenhagen are separated by a distance of 5579 mi.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Copenhagen (average of $460). Flying from Ontario to Copenhagen in June is currently the most expensive (average of $600). 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
San Jose to Copenhagen flights
Oakland to Copenhagen flights
Santa Ana to Copenhagen flights
Burbank to Copenhagen flights
San Diego to Copenhagen flights
Reno to Copenhagen flights
San Francisco to Billund flights
Sacramento to Copenhagen flights
Fresno to Copenhagen flights
San Jose to Billund flights
Las Vegas to Copenhagen flights
Ontario to Billund flights
Los Angeles to Billund flights
San Diego to Aarhus flights
San Diego to Billund flights
Santa Ana to Billund flights
Las Vegas to Billund flights
Long Beach to Copenhagen flights
Las Vegas to Aalborg flights
Las Vegas to Aarhus flights
Los Angeles to Aalborg flights
San Francisco to Aarhus flights
San Francisco to Aalborg flights
Palm Springs to Billund flights
Oakland to Billund flights
Los Angeles to Aarhus flights
Monterey to Copenhagen flights
Los Angeles to Esbjerg flights
Ontario to Aalborg flights
San Francisco to Esbjerg flights
San Francisco to Karup flights
San Francisco to Sønderborg flights
Oakland to Aarhus flights
Oakland to Aalborg flights
Santa Rosa to Copenhagen 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.