When did momondo last update prices for flights from Kastrup Copenhagen Airport to Ontario Airport?

Prices for flights from Kastrup Copenhagen Airport to Ontario Airport refresh daily.

How old do you have to be to fly from Kastrup Copenhagen Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kastrup Copenhagen Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£403 Cheap Flights from Copenhagen to Ontario in 2026/27

Find the cheapest flights from Copenhagen to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:25 - 22:51CPH Kastrup Copenhagen-ONT Ontario

19h 26m2 stops Frankfurt am Main San Francisco

16:17 - 18:25ONT Ontario-CPH Kastrup Copenhagen

17h 08m2 stops San Francisco Frankfurt am Main

£612United Airlines

Wed, 21 Oct - Mon, 2 Nov

11:40 - 23:59CPH Kastrup Copenhagen-ONT Ontario

21h 19m2 stops London Heathrow Dallas/Fort Worth

14:21 - 17:50ONT Ontario-CPH Kastrup Copenhagen

18h 29m2 stops Dallas/Fort Worth London Heathrow

£616British Airways

Thu, 24 Dec - Sun, 10 Jan

08:55 - 18:51CPH Kastrup Copenhagen-ONT Ontario

18h 56m2 stops Helsinki-Vantaa Dallas/Fort Worth

16:19 - 18:50ONT Ontario-CPH Kastrup Copenhagen

17h 31m2 stops Phoenix Sky Harbor Intl London Heathrow

£626British Airways

Wed, 20 Jan - Wed, 27 Jan

07:15 - 20:15CPH Kastrup Copenhagen-ONT Ontario

22h 00m2 stops Frankfurt am Main San Francisco

06:00 - 10:20ONT Ontario-CPH Kastrup Copenhagen

19h 20m2 stops San Francisco Toronto Pearson Intl

£628United Airlines

Tue, 3 Nov - Tue, 24 Nov

08:55 - 18:51CPH Kastrup Copenhagen-ONT Ontario

18h 56m2 stops Helsinki-Vantaa Dallas/Fort Worth

14:21 - 17:25ONT Ontario-CPH Kastrup Copenhagen

18h 04m2 stops Dallas/Fort Worth London Heathrow

£630British Airways

Mon, 11 Jan - Mon, 1 Feb

06:30 - 20:31CPH Kastrup Copenhagen-ONT Ontario

23h 01m2 stops Frankfurt am Main San Francisco

09:25 - 13:30ONT Ontario-CPH Kastrup Copenhagen

19h 05m2 stops San Francisco Frankfurt am Main

£649United Airlines

Fri, 23 Oct - Tue, 3 Nov

12:55 - 22:41CPH Kastrup Copenhagen-ONT Ontario

18h 46m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

07:00 - 11:45ONT Ontario-CPH Kastrup Copenhagen

19h 45m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£663Multiple Airlines

Mon, 1 Feb - Thu, 4 Feb

08:55 - 18:42CPH Kastrup Copenhagen-ONT Ontario

18h 47m2 stops Helsinki-Vantaa Dallas/Fort Worth

16:25 - 18:50ONT Ontario-CPH Kastrup Copenhagen

17h 25m2 stops Phoenix Sky Harbor Intl London Heathrow

£666British Airways

Thu, 12 Nov - Wed, 25 Nov

08:55 - 18:42CPH Kastrup Copenhagen-ONT Ontario

18h 47m2 stops Helsinki-Vantaa Dallas/Fort Worth

16:25 - 18:50ONT Ontario-CPH Kastrup Copenhagen

17h 25m2 stops Phoenix Sky Harbor Intl London Heathrow

£667British Airways

Thu, 12 Nov - Wed, 25 Nov

08:55 - 18:42CPH Kastrup Copenhagen-ONT Ontario

18h 47m2 stops Helsinki-Vantaa Dallas/Fort Worth

16:25 - 18:50ONT Ontario-CPH Kastrup Copenhagen

17h 25m2 stops Phoenix Sky Harbor Intl London Heathrow

£667British Airways

Thu, 12 Nov - Wed, 25 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Copenhagen to Ontario

Our best United Airlines deals on Copenhagen to Ontario flight tickets

United Airlines

21 Oct

CPH14:50Kastrup Copenhagen

17h 01m

2 stops

ONT22:51Ontario

28 Oct

ONT13:29Ontario

16h 01m

2 stops

CPH13:30Kastrup Copenhagen

£612

United Airlines

3 Nov

CPH07:15Kastrup Copenhagen

22h 00m

2 stops

ONT20:15Ontario

24 Nov

ONT06:00Ontario

19h 20m

2 stops

CPH10:20Kastrup Copenhagen

£628

United Airlines

23 Oct

CPH06:30Kastrup Copenhagen

23h 01m

2 stops

ONT20:31Ontario

2 Nov

ONT09:25Ontario

19h 05m

2 stops

CPH13:30Kastrup Copenhagen

£649

British Airways flights from Copenhagen to Ontario

Our best British Airways deals on Copenhagen to Ontario flight tickets

British Airways

24 Dec

CPH11:40Kastrup Copenhagen

21h 19m

2 stops

ONT23:59Ontario

10 Jan

ONT14:21Ontario

18h 29m

2 stops

CPH17:50Kastrup Copenhagen

£616

British Airways

20 Jan

CPH08:55Kastrup Copenhagen

18h 56m

2 stops

ONT18:51Ontario

27 Jan

ONT16:19Ontario

17h 31m

2 stops

CPH18:50Kastrup Copenhagen

£626

British Airways

11 Jan

CPH08:55Kastrup Copenhagen

18h 56m

2 stops

ONT18:51Ontario

1 Feb

ONT14:21Ontario

18h 04m

2 stops

CPH17:25Kastrup Copenhagen

£630

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Wed 21/10

12:25-22:51

2 stops19h 26m

Ontario

Mon 2/11

16:17-18:25

2 stops17h 08m

£612

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Thu 24/12

11:40-23:59

2 stops21h 19m

Ontario

Sun 10/1

14:21-17:50

2 stops18h 29m

£616

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Wed 20/1

08:55-18:51

2 stops18h 56m

Ontario

Wed 27/1

16:19-18:50

2 stops17h 31m

£626

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Tue 3/11

07:15-20:15

2 stops22h 00m

Ontario

Tue 24/11

06:00-10:20

2 stops19h 20m

£628

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Mon 11/1

08:55-18:51

2 stops18h 56m

Ontario

Mon 1/2

14:21-17:25

2 stops18h 04m

£630

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Fri 23/10

06:30-20:31

2 stops23h 01m

Ontario

Tue 3/11

09:25-13:30

2 stops19h 05m

£649

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Mon 1/2

12:55-22:41

2 stops18h 46m

Ontario

Thu 4/2

07:00-11:45

2 stops19h 45m

£663

Fastest return journey

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Thu 12/11

08:55-18:42

2 stops18h 47m

Ontario

Wed 25/11

16:25-18:50

2 stops17h 25m

£666

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Thu 12/11

08:55-18:42

2 stops18h 47m

Ontario

Wed 25/11

16:25-18:50

2 stops17h 25m

£667

CopenhagenOntario

CPH Kastrup Copenhagen - ONT Ontario

CPHONT

Kastrup Copenhagen

Thu 12/11

08:55-18:42

2 stops18h 47m

Ontario

Wed 25/11

16:25-18:50

2 stops17h 25m

£667

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Copenhagen to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Kastrup Copenhagen to Ontario?

British Airways and KLM are the most popular carriers operating from Kastrup Copenhagen to Ontario

When to book flights from Copenhagen to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Copenhagen to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Copenhagen to Ontario (CPH to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Copenhagen to Ontario

Best price found	£403
Fastest flight time	21h 43m
Direct flights	None

The best one-way flight to Ontario from Copenhagen in the past 72 hours is £403. The best return flight deal from Copenhagen to Ontario found on momondo in the last 72 hours is £612.

The fastest flight from Copenhagen to Ontario takes 21h 43m

There are no direct flights from Copenhagen to Ontario. There are no popular flight routes from Copenhagen to Ontario.

Search flight deals

Frequently asked questions about flying from Copenhagen to Ontario

How far is Kastrup Copenhagen to Ontario by plane?
The straight-line distance from Kastrup Copenhagen to Ontario is 5574.9 mi. Flights usually cover this in 21h 43m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Kastrup Copenhagen Airport to Ontario Airport?
Prices for flights from Kastrup Copenhagen Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Kastrup Copenhagen Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kastrup Copenhagen Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Copenhagen to Ontario?

It is quick and easy to find Copenhagen to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Copenhagen to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Copenhagen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Copenhagen to Ontario?

Once all potential Copenhagen to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Copenhagen to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Copenhagen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.