HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$675+ Cheap flights from Copenhagen (CPH) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Copenhagen to Ontario 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 Copenhagen to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to Ontario (ONT). 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 June 12, 2025.

Round-trip from

$675
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$786
From Kastrup Copenhagen to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Copenhagen to Ontario

Cheapest flights from Copenhagen to Ontario
Explore the most affordable flight options available from Copenhagen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 6/256:10 amCPH - ONT
2 stops24h 00mUnited Airlines
Wed 7/26:28 pmONT - CPH
2 stops27h 42mUnited Airlines
Deal found 6/11$675
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sun 9/712:25 pmCPH - ONT
2 stops17h 18mMultiple Airlines
Sun 9/145:10 amONT - CPH
2 stops17h 00mMultiple Airlines
Deal found 6/10$682
This British Airways deal was found by Cheapflights users on 6/10. 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.
Wed 6/257:20 amCPH - ONT
2 stops23h 18mBritish Airways
Sun 6/294:50 pmONT - CPH
2 stops21h 00mBritish Airways
Deal found 6/10$721
This Delta deal was found by Cheapflights users on 6/10. 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 6/251:05 pmCPH - ONT
1 stop30h 20mDelta
Sun 6/2911:25 amONT - CPH
2 stops20h 40mDelta
Deal found 6/10$1,072
This AOBTravel deal was found by Cheapflights users on 6/10. 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 AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:25 pmCPH - ONT
3 stops33h 07mAir Canada
Sun 6/296:28 pmONT - CPH
3 stops51h 42mAir Canada
Deal found 6/10$1,226
This Iberia deal was found by Cheapflights users on 6/11. 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.
Mon 8/411:05 amCPH - ONT
2 stops20h 52mIberia
Sat 8/92:57 pmONT - CPH
2 stops19h 08mIberia
Deal found 6/11$1,759

Cheapflights Fare Finder

Customize your flight search to find flights from Copenhagen to Ontario 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 12, 2025.
Use the filters below to find and compare flights from Copenhagen to Ontario that are best for you.

Fly from

Copenhagen

Fly to

Ontario

Route

Depart

Return

Price

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 6/25

6:10 am-9:10 pm

2 stops24h 00m

Ontario

Wed 7/2

6:28 pm-7:10 am

2 stops27h 42m

$675

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 9/7

12:25 pm-8:43 pm

2 stops17h 18m

Ontario

Sun 9/14

5:10 am-7:10 am

2 stops17h 00m

$682

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 6/25

7:20 am-9:38 pm

2 stops23h 18m

Ontario

Sun 6/29

4:50 pm-10:50 pm

2 stops21h 00m

$721

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 6/25

1:05 pm-10:25 am

1 stop30h 20m

Ontario

Sun 6/29

11:25 am-5:05 pm

2 stops20h 40m

$1,072

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 6/25

12:25 pm-12:32 pm

3 stops33h 07m

Ontario

Sun 6/29

6:28 pm-7:10 am

3 stops51h 42m

$1,226

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Mon 8/4

11:05 am-10:57 pm

2 stops20h 52m

Ontario

Sat 8/9

2:57 pm-7:05 pm

2 stops19h 08m

$1,759

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 10/5

2:00 pm-11:55 pm

2 stops18h 55m

$817

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 8/7

2:00 pm-12:08 am

2 stops19h 08m

$845

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 8/13

7:20 am-5:52 pm

2 stops19h 32m

$848

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/17

11:05 am-12:08 am

2 stops22h 03m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from Copenhagen to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Copenhagen 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 Copenhagen to Ontario

What is the cheapest month to book a flight from Copenhagen to Ontario?

Currently, August is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $246). Flying from Copenhagen to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

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

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Copenhagen to Ontario. 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 to fly from Copenhagen to Ontario one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $845. Users have also found prices from $848 and $853 on British Airways and Iberia, respectively.

  • Can I find deals for flights from Copenhagen to Ontario that include hotel bookings?

    Yes. In addition to deals on Copenhagen to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Copenhagen to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Copenhagen to Ontario.

  • Can I find deals for business class flights from Copenhagen to Ontario?

    Yes. Cheapflights offers flight deals from Copenhagen to Ontario 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 Copenhagen to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $246). Flying from Copenhagen to Ontario in March is currently the most expensive (average of $328). 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

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

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.