Ontario

$410+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
Nov 13 — Nov 201
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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 October 14, 2025.

This American Airlines deal was found by Cheapflights users on 10/13. 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 12/46:45 amCPH - ONT
2 stops20h 33mAmerican Airlines
Mon 12/810:47 amONT - CPH
2 stops21h 38mAmerican Airlines
Deal found 10/13$663
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/277:05 amCPH - ONT
2 stops38h 32mUnited Airlines
Thu 12/41:50 pmONT - CPH
2 stops39h 15mUnited Airlines
Deal found 10/13$676
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/122:20 pmCPH - ONT
2 stops17h 31mUnited Airlines
Wed 11/196:05 amONT - CPH
2 stops21h 20mUnited Airlines
Deal found 10/13$679
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Thu 11/2712:45 pmCPH - ONT
1 stop19h 46mMultiple Airlines
Thu 12/49:59 pmONT - CPH
1 stop29h 01mMultiple Airlines
Deal found 10/13$973
This Gotogate deal was found by Cheapflights users on 10/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:15 pmCPH - ONT
2 stops19h 08mBritish Airways
Wed 11/264:47 pmONT - CPH
2 stops17h 13mBritish Airways
Deal found 10/13$1,028
This Icelandair deal was found by Cheapflights users on 10/13. 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.
Thu 12/2512:55 pmCPH - ONT
2 stops20h 19mMultiple Airlines
Thu 1/110:44 amONT - CPH
2 stops16h 01mMultiple Airlines
Deal found 10/13$1,563
This lastminute.com deal was found by Cheapflights users on 10/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:00 amCPH - ONT
2 stops19h 49mBritish Airways
Sun 11/210:47 amONT - CPH
2 stops17h 43mBritish Airways
Deal found 10/13$2,226
This Icelandair deal was found by Cheapflights users on 10/12. 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.
Fri 12/1912:55 pmCPH - ONT
2 stops20h 04mMultiple Airlines
Mon 1/56:00 amONT - CPH
2 stops20h 45mMultiple Airlines
Deal found 10/12$3,027
This American Airlines deal was found by Cheapflights users on 10/12. 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 12/188:40 amCPH - ONT
2 stops22h 34mAmerican Airlines
Sun 1/410:50 amONT - CPH
2 stops22h 45mAmerican Airlines
Deal found 10/12$4,002

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(American Airlines)

One-way from

$410
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$735
Provider with most accurate pricing for Kastrup Copenhagen-Los Angeles flight deals.
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Los Angeles flights.
From Kastrup Copenhagen to Ontario
One-way flight from Kastrup Copenhagen to Ontario
Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 14, 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 12/4

6:45 am-6:18 pm

2 stops20h 33m

Ontario

Mon 12/8

10:47 am-5:25 pm

2 stops21h 38m

$663

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/27

7:05 am-12:37 pm

2 stops38h 32m

Ontario

Thu 12/4

1:50 pm-2:05 pm

2 stops39h 15m

$676

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Wed 11/12

2:20 pm-10:51 pm

2 stops17h 31m

Ontario

Wed 11/19

6:05 am-12:25 pm

2 stops21h 20m

$679

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/27

12:45 pm-11:31 pm

1 stop19h 46m

Ontario

Thu 12/4

9:59 pm-12:00 pm

1 stop29h 01m

$973

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 11/13

12:15 pm-10:23 pm

2 stops19h 08m

Ontario

Wed 11/26

4:47 pm-7:00 pm

2 stops17h 13m

$1,028

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Thu 12/25

12:55 pm-12:14 am

2 stops20h 19m

Ontario

Thu 1/1

10:44 am-11:45 am

2 stops16h 01m

$1,563

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 3/27

2:30 pm-6:00 pm

2 stops35h 30m

Ontario

Fri 4/3

10:40 am-6:25 pm

2 stops22h 45m

$3,154

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Fri 12/19

8:30 am-6:16 pm

2 stops18h 46m

Ontario

Tue 1/6

10:58 am-6:35 pm

2 stops22h 37m

$4,002

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sat 12/20

8:40 am-11:46 pm

2 stops24h 06m

Ontario

Mon 1/5

7:10 am-12:15 pm

2 stops20h 05m

$4,002

CopenhagenOntario

CPH - ONT

CPHONT

Kastrup Copenhagen

Sun 12/7

8:40 am-11:55 pm

2 stops24h 15m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 21 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 20h 33m. 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 $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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