HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$629+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
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 julio 1, 2025.

Round-trip from

$629
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$976
From Kastrup Copenhagen to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 julio 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/610:30 amCPH - ONT
2 stops20h 30mAmerican Airlines
lun. 11/103:05 pmONT - CPH
2 stops17h 20mAmerican Airlines
Deal found 6/29$629
This British Airways deal was found by Cheapflights users on 7/1. 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.
jue. 7/177:05 amCPH - ONT
2 stops20h 48mBritish Airways
lun. 7/214:45 pmONT - CPH
2 stops19h 10mBritish Airways
Deal found 7/1$882
This United Airlines deal was found by Cheapflights users on 7/1. 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.
lun. 8/183:00 pmCPH - ONT
2 stops16h 52mUnited Airlines
lun. 9/15:10 amONT - CPH
2 stops16h 50mUnited Airlines
Deal found 7/1$884
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/1612:45 pmCPH - ONT
2 stops19h 07mMultiple Airlines
dom. 7/207:00 amONT - CPH
2 stops16h 55mMultiple Airlines
Deal found 7/1$1,223

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 julio 1, 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

jue. 11/6

10:30 am-10:00 pm

2 stops20h 30m

Ontario

lun. 11/10

3:05 pm-5:25 pm

2 stops17h 20m

$629

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

jue. 7/17

7:05 am-6:53 pm

2 stops20h 48m

Ontario

lun. 7/21

4:45 pm-8:55 pm

2 stops19h 10m

$882

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

lun. 8/18

3:00 pm-10:52 pm

2 stops16h 52m

Ontario

lun. 9/1

5:10 am-7:00 am

2 stops16h 50m

$884

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

mié. 7/16

12:45 pm-10:52 pm

2 stops19h 07m

Ontario

dom. 7/20

7:00 am-8:55 am

2 stops16h 55m

$1,223

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

sáb. 8/9

2:05 pm-11:50 pm

2 stops18h 45m

$837

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

lun. 12/1

8:40 am-5:49 pm

2 stops18h 09m

$854

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

vie. 8/8

7:25 am-6:24 pm

2 stops19h 59m

$868

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

lun. 8/25

11:05 am-10:48 pm

2 stops20h 43m

$875

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

sáb. 7/19

6:00 am-10:47 pm

2 stops25h 47m

$1,682

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

dom. 7/20

12:25 pm-8:54 pm

2 stops41h 29m

$2,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

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 julio 1, 2025.
Read through reviews of airlines operating flights from Copenhagen to Ontario, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,974 reviews
Delta
8.0
Very good
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,858 reviews
Delta
8.0
Very good
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
2,817 reviews
Delta
8.0
Very good
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
British Airways
6.6
Okay
7,086 reviews
Delta
8.0
Very good
7,974 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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 $854. Users have also found prices from $868 and $875 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.