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Ontario

$533+ 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 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$533
(United 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).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. 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 11/67:00 amCPH - ONT
2 stops24h 45mUnited Airlines
Mon 11/107:00 amONT - CPH
2 stops20h 35mUnited Airlines
Deal found 7/2$533
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:25 amCPH - ONT
2 stops26h 20mAmerican Airlines
Mon 11/1011:00 amONT - CPH
2 stops18h 50mAmerican Airlines
Deal found 7/1$568
This Travelis deal was found by Cheapflights users on 7/3. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/179:00 amCPH - ONT
2 stops19h 11mKLM
Sun 8/244:50 pmONT - CPH
2 stops16h 25mKLM
Deal found 7/3$668
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.
Thu 7/177:05 amCPH - ONT
2 stops20h 48mBritish Airways
Mon 7/214:45 pmONT - CPH
2 stops19h 10mBritish Airways
Deal found 7/1$882
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:05 pmCPH - ONT
1 stop20h 10mMultiple Airlines
Sun 8/246:00 amONT - CPH
1 stop19h 30mMultiple Airlines
Deal found 7/3$901
This Delta deal was found by Cheapflights users on 7/3. 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 8/171:05 pmCPH - ONT
1 stop30h 45mDelta
Sun 8/249:50 amONT - CPH
2 stops23h 55mDelta
Deal found 7/3$962
This Flysmarter deal was found by Cheapflights users on 7/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:25 pmCPH - ONT
3 stops33h 07mAir Canada
Sun 8/246:38 pmONT - CPH
3 stops51h 32mAir Canada
Deal found 7/3$983
This Iberia deal was found by Cheapflights users on 7/2. 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 8/1111:05 amCPH - ONT
2 stops20h 43mIberia
Sat 8/162:57 pmONT - CPH
2 stops19h 08mIberia
Deal found 7/2$1,225

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 July 3, 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

Thu 11/6

7:00 am-10:45 pm

2 stops24h 45m

Ontario

Mon 11/10

7:00 am-12:35 pm

2 stops20h 35m

$533

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/6

6:25 am-11:45 pm

2 stops26h 20m

Ontario

Mon 11/10

11:00 am-2:50 pm

2 stops18h 50m

$568

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/17

9:00 am-7:11 pm

2 stops19h 11m

Ontario

Sun 8/24

4:50 pm-6:15 pm

2 stops16h 25m

$668

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 7/17

7:05 am-6:53 pm

2 stops20h 48m

Ontario

Mon 7/21

4:45 pm-8:55 pm

2 stops19h 10m

$882

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/17

1:05 pm-12:15 am

1 stop20h 10m

Ontario

Sun 8/24

6:00 am-10:30 am

1 stop19h 30m

$901

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/17

1:05 pm-10:50 am

1 stop30h 45m

Ontario

Sun 8/24

9:50 am-6:45 pm

2 stops23h 55m

$962

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 8/17

12:25 pm-12:32 pm

3 stops33h 07m

Ontario

Sun 8/24

6:38 pm-7:10 am

3 stops51h 32m

$983

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Mon 8/11

11:05 am-10:48 pm

2 stops20h 43m

Ontario

Sat 8/16

2:57 pm-7:05 pm

2 stops19h 08m

$1,225

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 9/30

2:00 pm-10:05 pm

2 stops17h 05m

$850

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Mon 12/1

8:40 am-5:49 pm

2 stops18h 09m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results
1
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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 July 3, 2025.
Read through reviews of airlines operating flights from Copenhagen to Ontario, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
Air Canada
7.1
Good
9,678 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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 $859 and $865 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.

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