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$412+ Cheap flights from Copenhagen (CPH) to Ontario (ONT)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This Iberia deal was found by Cheapflights users on 11/5. 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.
Thu 11/2010:30 amCPH - ONT
2 stops22h 27mMultiple Airlines
Mon 11/2410:47 amONT - CPH
2 stops20h 23mMultiple Airlines
Deal found 11/5$661
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/41:10 pmCPH - ONT
2 stops32h 08mUnited Airlines
Mon 12/86:41 pmONT - CPH
2 stops19h 24mUnited Airlines
Deal found 11/4$680
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/2510:10 amCPH - ONT
2 stops21h 15mUnited Airlines
Mon 1/125:05 amONT - CPH
2 stops21h 55mUnited Airlines
Deal found 11/6$720
This British Airways deal was found by Cheapflights users on 11/5. 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 11/201:05 pmCPH - ONT
2 stops19h 52mBritish Airways
Mon 11/2412:49 pmONT - CPH
2 stops17h 01mBritish Airways
Deal found 11/5$754
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/910:05 amCPH - ONT
2 stops21h 46mUnited Airlines
Sat 12/2710:42 amONT - CPH
2 stops16h 43mUnited Airlines
Deal found 11/4$918
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/1310:10 amCPH - ONT
2 stops21h 41mUnited Airlines
Sun 11/237:00 amONT - CPH
2 stops19h 25mUnited Airlines
Deal found 11/6$923
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 12/289:50 amCPH - ONT
2 stops21h 35mUnited Airlines
Wed 1/145:05 amONT - CPH
2 stops22h 20mUnited Airlines
Deal found 11/4$927
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/67:50 pmCPH - ONT
2 stops31h 31mMultiple Airlines
Mon 11/107:00 amONT - CPH
2 stops25h 25mMultiple Airlines
Deal found 11/6$1,196
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 11/58:05 pmCPH - ONT
2 stops31h 17mMultiple Airlines
Sun 11/912:46 pmONT - CPH
2 stops21h 44mMultiple Airlines
Deal found 11/5$1,200
This British Airways deal was found by Cheapflights users on 11/6. 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 12/2512:15 pmCPH - ONT
2 stops18h 59mBritish Airways
Fri 1/94:45 pmONT - CPH
2 stops15h 50mBritish Airways
Deal found 11/6$1,524
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:05 amCPH - ONT
2 stops23h 50mVirgin Atlantic
Sat 11/2211:48 amONT - CPH
2 stops24h 42mVirgin Atlantic
Deal found 11/5$1,730
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:40 amCPH - ONT
2 stops18h 38mMultiple Airlines
Mon 12/2912:45 pmONT - CPH
2 stops17h 05mMultiple Airlines
Deal found 11/5$2,068

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$659
(American Airlines)

One-way from

$412
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$726
Provider with most accurate pricing for Kastrup Copenhagen-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Los Angeles flights.
Search Deals
From Kastrup Copenhagen to Ontario
Search Deals
One-way flight from Kastrup Copenhagen to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 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 11/20

10:30 am-11:57 pm

2 stops22h 27m

Ontario

Mon 11/24

10:47 am-4:10 pm

2 stops20h 23m

$661

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/4

1:10 pm-12:18 pm

2 stops32h 08m

Ontario

Mon 12/8

6:41 pm-11:05 pm

2 stops19h 24m

$680

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/25

10:10 am-10:25 pm

2 stops21h 15m

Ontario

Mon 1/12

5:05 am-12:00 pm

2 stops21h 55m

$720

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/20

1:05 pm-11:57 pm

2 stops19h 52m

Ontario

Mon 11/24

12:49 pm-2:50 pm

2 stops17h 01m

$754

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 12/28

9:50 am-10:25 pm

2 stops21h 35m

Ontario

Wed 1/14

5:05 am-12:25 pm

2 stops22h 20m

$927

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 2/8

11:50 am-10:13 pm

2 stops19h 23m

Ontario

Sat 2/14

4:59 pm-7:00 pm

2 stops17h 01m

$951

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 2/6

12:55 pm-11:56 pm

2 stops20h 01m

Ontario

Sun 2/15

9:45 am-11:45 am

2 stops17h 00m

$991

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 1/21

10:30 am-8:10 pm

2 stops18h 40m

Ontario

Sat 1/31

4:45 pm-5:40 pm

2 stops15h 55m

$1,055

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/25

12:15 pm-10:14 pm

2 stops18h 59m

Ontario

Fri 1/9

4:45 pm-5:35 pm

2 stops15h 50m

$1,524

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 12/14

8:40 am-6:18 pm

2 stops18h 38m

Ontario

Mon 12/29

12:45 pm-2:50 pm

2 stops17h 05m

$2,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 23 results
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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, February is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $485). Flying from Copenhagen to Ontario in July is currently the most expensive (average of $685). 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 Copenhagen to Ontario. 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 Copenhagen to Ontario?

    There are many flights that can get you from Copenhagen to Ontario in 19h 52m. Fly via United Airlines or British Airways to get the fastest option. Airlines will cover a distance of 5579 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Copenhagen to Ontario (average of $485). Flying from Copenhagen to Ontario in July is currently the most expensive (average of $685). 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

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