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$409+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. 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.
Fri 11/286:55 amCPH - ONT
2 stops24h 36mUnited Airlines
Mon 12/86:41 pmONT - CPH
2 stops19h 24mUnited Airlines
Deal found 11/25$880
This Delta deal was found by Cheapflights users on 11/25. 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.
Fri 11/286:00 amCPH - ONT
2 stops19h 09mDelta
Sun 12/710:25 pmONT - CPH
2 stops25h 35mDelta
Deal found 11/25$906
This Delta deal was found by Cheapflights users on 11/25. 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.
Fri 11/286:00 amCPH - ONT
2 stops19h 09mDelta
Sat 12/612:12 pmONT - CPH
2 stops35h 48mDelta
Deal found 11/25$917
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/246:50 amCPH - ONT
2 stops24h 02mUnited Airlines
Wed 12/3110:42 amONT - CPH
2 stops16h 43mUnited Airlines
Deal found 11/24$940
This Delta deal was found by Cheapflights users on 11/25. 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.
Tue 11/259:55 amCPH - ONT
2 stops22h 09mDelta
Wed 12/107:05 amONT - CPH
2 stops16h 55mDelta
Deal found 11/25$1,016
This Delta deal was found by Cheapflights users on 11/25. 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.
Tue 11/259:55 amCPH - ONT
2 stops22h 09mDelta
Sat 12/67:05 amONT - CPH
2 stops19h 05mDelta
Deal found 11/25$1,028
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Sat 11/2910:05 amCPH - ONT
2 stops21h 26mUnited Airlines
Sun 12/76:00 amONT - CPH
2 stops21h 25mUnited Airlines
Deal found 11/25$1,036
This American Airlines deal was found by Cheapflights users on 11/25. 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 11/276:45 amCPH - ONT
2 stops36h 12mAmerican Airlines
Sat 12/64:47 pmONT - CPH
2 stops15h 53mAmerican Airlines
Deal found 11/25$1,045
This Iberia deal was found by Cheapflights users on 11/24. 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.
Tue 12/96:25 amCPH - ONT
2 stops25h 03mMultiple Airlines
Sat 12/137:00 amONT - CPH
2 stops18h 40mMultiple Airlines
Deal found 11/24$1,073
This United Airlines deal was found by Cheapflights users on 11/26. 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 stops19h 57mUnited Airlines
Thu 1/15:05 amONT - CPH
2 stops27h 30mUnited Airlines
Deal found 11/26$1,076
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Tue 11/2512:30 pmCPH - ONT
2 stops32h 23mAmerican Airlines
Thu 12/1111:59 pmONT - CPH
2 stops34h 11mAmerican Airlines
Deal found 11/25$1,144

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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$638
(American Airlines)

One-way from

$409
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$754
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. 9% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 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 26, 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

Fri 4/10

11:00 am-9:27 am

2 stops31h 27m

Ontario

Tue 4/14

8:05 pm-8:05 pm

2 stops39h 00m

$638

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 2/24

6:50 am-8:50 pm

2 stops23h 00m

Ontario

Tue 3/3

1:45 pm-5:35 pm

2 stops18h 50m

$671

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sat 1/24

2:30 pm-10:53 pm

2 stops17h 23m

Ontario

Tue 2/3

6:00 am-12:15 pm

2 stops21h 15m

$672

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 4/10

12:25 pm-12:38 pm

2 stops33h 13m

Ontario

Tue 4/14

11:00 am-6:40 pm

2 stops22h 40m

$687

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 1/15

6:45 am-5:22 pm

2 stops19h 37m

Ontario

Wed 1/28

4:45 pm-7:00 pm

2 stops17h 15m

$798

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 2/17

12:55 pm-10:20 pm

2 stops18h 25m

Ontario

Tue 2/24

8:55 am-11:45 am

2 stops17h 50m

$948

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 12/9

6:25 am-10:28 pm

2 stops25h 03m

Ontario

Sat 12/13

7:00 am-10:40 am

2 stops18h 40m

$1,073

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/25

10:10 am-9:07 pm

2 stops19h 57m

Ontario

Thu 1/1

5:05 am-5:35 pm

2 stops27h 30m

$1,076

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Tue 1/13

8:40 am-6:45 pm

2 stops19h 05m

$409

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 1/29

12:15 pm-10:48 pm

2 stops19h 33m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 20 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 $487). Flying from Copenhagen to Ontario in July is currently the most expensive (average of $680). 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 23h. Fly via American Airlines or United Airlines 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 $487). Flying from Copenhagen to Ontario in July is currently the most expensive (average of $680). 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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