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$425+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap 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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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.
Mon 12/1510:10 amCPH - ONT
3 stops21h 39mUnited Airlines
Mon 12/2210:42 amONT - CPH
2 stops16h 43mUnited Airlines
Deal found 12/8$905
This United Airlines deal was found by Cheapflights users on 12/8. 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
Tue 1/61:53 pmONT - CPH
2 stops43h 12mUnited Airlines
Deal found 12/8$908
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Tue 12/910:10 amCPH - ONT
2 stops20h 39mUnited Airlines
Tue 12/236:00 amONT - CPH
2 stops21h 25mUnited Airlines
Deal found 12/6$1,524
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Sat 12/272:30 pmCPH - ONT
2 stops28h 31mUnited Airlines
Sat 1/35:05 amONT - CPH
2 stops43h 15mUnited Airlines
Deal found 12/6$1,529
This United Airlines deal was found by Cheapflights users on 12/8. 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 stops35h 28mUnited Airlines
Wed 1/71:24 pmONT - CPH
2 stops34h 56mUnited Airlines
Deal found 12/8$1,700
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/269:50 amCPH - ONT
2 stops21h 51mUnited Airlines
Mon 1/510:42 amONT - CPH
2 stops16h 43mUnited Airlines
Deal found 12/8$1,720
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Wed 12/178:55 amCPH - ONT
2 stops22h 54mUnited Airlines
Wed 12/245:05 amONT - CPH
2 stops27h 30mUnited Airlines
Deal found 12/6$2,169
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/176:00 amCPH - ONT
2 stops25h 49mUnited Airlines
Thu 12/255:05 amONT - CPH
2 stops28h 15mUnited Airlines
Deal found 12/8$2,192
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Sun 12/1410:05 amCPH - ONT
2 stops35h 12mUnited Airlines
Sun 12/2110:42 amONT - CPH
2 stops22h 23mUnited Airlines
Deal found 12/6$3,823
This Icelandair deal was found by Cheapflights users on 12/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:55 pmCPH - ONT
2 stops18h 10mMultiple Airlines
Fri 12/2610:44 amONT - CPH
2 stops16h 01mMultiple Airlines
Deal found 12/8$5,867

Find 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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$690
(American Airlines)

One-way from

$425
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$868
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 December 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 December 8, 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 2/19

6:45 am-11:58 pm

2 stops26h 13m

Ontario

Mon 2/23

12:27 pm-7:05 pm

2 stops21h 38m

$690

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Mon 4/6

7:20 am-10:30 pm

2 stops24h 10m

Ontario

Mon 4/20

3:05 pm-4:55 pm

2 stops16h 50m

$695

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/25

10:10 am-9:07 pm

2 stops19h 57m

Ontario

Tue 1/6

1:53 pm-6:05 pm

2 stops43h 12m

$908

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 2/8

11:50 am-10:13 pm

2 stops19h 23m

Ontario

Sat 2/14

5:06 pm-5:40 pm

2 stops15h 34m

$993

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Mon 1/26

12:55 pm-11:56 pm

2 stops20h 01m

Ontario

Mon 2/9

9:45 am-11:45 am

2 stops17h 00m

$1,176

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 1/22

12:55 pm-9:45 pm

2 stops17h 50m

Ontario

Wed 2/4

9:05 am-11:45 am

2 stops17h 40m

$1,231

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sat 1/10

6:50 am-8:58 pm

3 stops23h 08m

Ontario

Tue 1/13

5:05 am-12:15 pm

3 stops22h 10m

$1,554

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 12/26

9:50 am-10:41 pm

2 stops21h 51m

Ontario

Mon 1/5

10:42 am-12:25 pm

2 stops16h 43m

$1,720

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 1/2

6:50 am-9:07 pm

3 stops23h 17m

Ontario

Sat 1/24

5:05 am-9:20 am

3 stops19h 15m

$2,278

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 2/13

8:25 am-6:39 pm

2 stops19h 14m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 17 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 $488). 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 19h 57m. 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 $488). 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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