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$363+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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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 May 12, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$584
(United Airlines)

One-way from

$363
(Trip.com)

Popular in

January

Cheapest in

December

Average price

$663
Provider with most accurate pricing for Ontario-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Ontario-Kastrup Copenhagen flights.
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From Ontario to Kastrup Copenhagen
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One-way flight from Ontario to Kastrup Copenhagen
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Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 12, 2025.

This United Airlines deal was found by Cheapflights users on 5/11. 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 9/16:00 amONT - CPH
2 stops16h 10mUnited Airlines
Mon 9/2212:25 pmCPH - ONT
2 stops43h 05mUnited Airlines
Deal found 5/11$584
This Air Canada deal was found by Cheapflights users on 5/11. 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.
Mon 9/15:10 amONT - CPH
2 stops17h 00mMultiple Airlines
Mon 9/2212:25 pmCPH - ONT
3 stops33h 07mMultiple Airlines
Deal found 5/11$613
This Air Canada deal was found by Cheapflights users on 5/12. 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.
Wed 8/66:31 pmONT - CPH
3 stops27h 39mAir Canada
Mon 9/1512:25 pmCPH - ONT
3 stops33h 07mAir Canada
Deal found 5/12$675
This British Airways deal was found by Cheapflights users on 5/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:01 pmONT - CPH
2 stops17h 09mBritish Airways
Fri 11/2112:20 pmCPH - ONT
2 stops18h 40mBritish Airways
Deal found 5/11$714
This Iberia deal was found by Cheapflights users on 5/11. 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.
Sat 8/92:57 pmONT - CPH
2 stops19h 08mIberia
Sat 8/2311:05 amCPH - ONT
2 stops20h 43mIberia
Deal found 5/11$787
This Delta deal was found by Cheapflights users on 5/12. 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 8/69:44 amONT - CPH
2 stops22h 21mDelta
Mon 9/151:25 pmCPH - ONT
1 stop18h 16mDelta
Deal found 5/12$885

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 May 12, 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

Mon 9/1

6:00 am-7:10 am

2 stops16h 10m

Kastrup Copenhagen

Mon 9/22

12:25 pm-10:30 pm

2 stops43h 05m

$584

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 9/1

5:10 am-7:10 am

2 stops17h 00m

Kastrup Copenhagen

Mon 9/22

12:25 pm-12:32 pm

3 stops33h 07m

$613

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 8/6

6:31 pm-7:10 am

3 stops27h 39m

Kastrup Copenhagen

Mon 9/15

12:25 pm-12:32 pm

3 stops33h 07m

$675

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Fri 11/7

5:01 pm-7:10 pm

2 stops17h 09m

Kastrup Copenhagen

Fri 11/21

12:20 pm-10:00 pm

2 stops18h 40m

$714

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 8/9

2:57 pm-7:05 pm

2 stops19h 08m

Kastrup Copenhagen

Sat 8/23

11:05 am-10:48 pm

2 stops20h 43m

$787

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 8/6

9:44 am-5:05 pm

2 stops22h 21m

Kastrup Copenhagen

Mon 9/15

1:25 pm-10:41 pm

1 stop18h 16m

$885

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 7/2

10:03 am-9:45 pm

2 stops26h 42m

$363

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 7/27

10:05 pm-6:30 am

2 stops23h 25m

$419

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 6/16

6:32 pm-7:10 am

2 stops27h 38m

$534

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sat 7/5

5:05 am-10:50 am

2 stops20h 45m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Ontario to Copenhagen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Copenhagen in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Copenhagen flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Copenhagen flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, 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 $891). 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 May 12, 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.

Rainfall in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

Temperature in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. 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 Copenhagen. Reviews last updated May 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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.
United Airlines
7.4
Good
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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.
Air Canada
7.0
Good
9,328 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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.
Iberia
7.0
Good
2,726 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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 Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Copenhagen round-trip?

    Cheapflights users have booked flights from Ontario to Copenhagen round-trip from $584. Other airlines that can offer you cheap pricing are Air Canada, from $675, and British Airways, from $714. These flights start at 26% lower than the current average price 3 months from now.

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

    $419 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $534 and $540, respectively.

  • 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 $891). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Kastrup

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Alternative routes for Ontario to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to Copenhagen

Discover the top airline that operate flights from Ontario to Copenhagen. 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$470Average$582FlexibilityNo cancel feeOn-time70%

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