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

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

What airlines fly to Copenhagen?

Scandinavian Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Copenhagen from Ontario according to our data. Scandinavian Airlines is the first choice among our users, with 84% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 14 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Kastrup Copenhagen Airport were last updated today.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kastrup Copenhagen Airport.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The travel and health documents required for your trip to Kastrup Copenhagen 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 Kastrup Copenhagen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$276 Cheap Flights from Ontario to Copenhagen in 2026

Find the cheapest flights from Ontario to Copenhagen

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 6:50 pmONT Ontario-CPH Kastrup Copenhagen

17h 25m2 stops Phoenix Sky Harbor Intl London Heathrow

8:55 am - 6:53 pmCPH Kastrup Copenhagen-ONT Ontario

18h 58m2 stops Helsinki-Vantaa Dallas/Fort Worth

$767British Airways

Wed, Jan 6 - Tue, Jan 12

5:45 am - 10:20 amONT Ontario-CPH Kastrup Copenhagen

19h 35m2 stops Houston George Bush Intcntl Toronto Pearson Intl

10:05 am - 10:38 pmCPH Kastrup Copenhagen-ONT Ontario

21h 33m2 stops Frankfurt am Main Chicago O'Hare Intl

$777United Airlines

Tue, Dec 8 - Tue, Dec 22

1:05 pm - 10:20 amONT Ontario-CPH Kastrup Copenhagen

36h 15m2 stops San Francisco Toronto Pearson Intl

11:35 am - 5:47 pmCPH Kastrup Copenhagen-ONT Ontario

39h 12m2 stops Toronto Pearson Intl San Francisco

$779United Airlines

Mon, Dec 28 - Sat, Jan 9

7:00 am - 5:30 pmONT Ontario-CPH Kastrup Copenhagen

25h 30m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

11:35 am - 5:47 pmCPH Kastrup Copenhagen-ONT Ontario

39h 12m2 stops Toronto Pearson Intl San Francisco

$783United Airlines

Sun, Jan 17 - Sat, Jan 23

11:20 am - 10:20 amONT Ontario-CPH Kastrup Copenhagen

38h 00m2 stops San Francisco Toronto Pearson Intl

11:35 am - 6:44 pmCPH Kastrup Copenhagen-ONT Ontario

40h 09m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$784United Airlines

Mon, Jan 11 - Sun, Jan 24

4:25 pm - 6:50 pmONT Ontario-CPH Kastrup Copenhagen

17h 25m2 stops Phoenix Sky Harbor Intl London Heathrow

8:55 am - 6:53 pmCPH Kastrup Copenhagen-ONT Ontario

18h 58m2 stops Helsinki-Vantaa Dallas/Fort Worth

$796British Airways

Wed, Jan 6 - Wed, Jan 20

1:00 pm - 1:30 pmONT Ontario-CPH Kastrup Copenhagen

15h 30m2 stops Denver Intl Frankfurt am Main

6:55 am - 8:20 pmCPH Kastrup Copenhagen-ONT Ontario

22h 25m3 stops Brussels Bruxelles-National Newark Denver Intl

$797United Airlines

Tue, Jan 5 - Tue, Jan 19

6:00 am - 10:20 amONT Ontario-CPH Kastrup Copenhagen

19h 20m2 stops San Francisco Toronto Pearson Intl

11:35 am - 5:36 pmCPH Kastrup Copenhagen-ONT Ontario

39h 01m2 stops Toronto Pearson Intl San Francisco

$799United Airlines

Tue, Nov 17 - Wed, Dec 9

6:00 am - 10:20 amONT Ontario-CPH Kastrup Copenhagen

19h 20m2 stops San Francisco Toronto Pearson Intl

2:15 pm - 11:06 pmCPH Kastrup Copenhagen-ONT Ontario

17h 51m2 stops Frankfurt am Main San Francisco

$805United Airlines

Fri, Feb 5 - Fri, Feb 19

11:20 am - 12:25 pmONT Ontario-CPH Kastrup Copenhagen

16h 05m2 stops San Francisco Munich Franz Josef Strauss

6:55 am - 6:39 pmCPH Kastrup Copenhagen-ONT Ontario

19h 44m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$806United Airlines

Mon, Mar 8 - Mon, Mar 22

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 6:00 pmONT Ontario-CPH Kastrup Copenhagen

28h 00m2 stops Denver Intl Frankfurt am Main

12:45 pm - 6:11 pmCPH Kastrup Copenhagen-ONT Ontario

38h 26m2 stops Toronto Pearson Intl San Francisco

$890United Airlines

Fri, Sep 11 - Sun, Sep 20

9:01 am - 10:50 amONT Ontario-CPH Kastrup Copenhagen

16h 49m2 stops San Francisco Toronto Pearson Intl

12:35 pm - 10:51 pmCPH Kastrup Copenhagen-ONT Ontario

19h 16m2 stops Frankfurt am Main San Francisco

$1,022United Airlines

Mon, Sep 14 - Mon, Oct 5

5:00 am - 6:00 pmONT Ontario-CPH Kastrup Copenhagen

28h 00m2 stops Denver Intl Frankfurt am Main

12:45 pm - 6:11 pmCPH Kastrup Copenhagen-ONT Ontario

38h 26m2 stops Toronto Pearson Intl San Francisco

$1,531United Airlines

Fri, Sep 11 - Sun, Sep 13

10:39 pm - 11:35 pmONT Ontario-CPH Kastrup Copenhagen

63h 56m2 stops New York John F Kennedy Intl Istanbul

2:55 pm - 8:57 pmCPH Kastrup Copenhagen-ONT Ontario

63h 02m2 stops Istanbul New York John F Kennedy Intl

$1,600Turkish Airlines

Thu, Sep 10 - Wed, Sep 23

3:14 pm - 3:55 pmONT Ontario-CPH Kastrup Copenhagen

15h 41m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 11:42 pmCPH Kastrup Copenhagen-ONT Ontario

18h 42m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$1,636Multiple Airlines

Sun, Sep 13 - Sun, Oct 4

3:14 pm - 3:55 pmONT Ontario-CPH Kastrup Copenhagen

15h 41m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:05 pmCPH Kastrup Copenhagen-ONT Ontario

17h 05m2 stops Reykjavik Keflavik Intl Denver Intl

$1,678Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

10:39 pm - 9:30 amONT Ontario-CPH Kastrup Copenhagen

49h 51m2 stops New York John F Kennedy Intl Istanbul

6:30 am - 8:57 pmCPH Kastrup Copenhagen-ONT Ontario

47h 27m2 stops Istanbul New York John F Kennedy Intl

$1,755Turkish Airlines

Tue, Sep 15 - Tue, Sep 22

10:39 pm - 11:35 pmONT Ontario-CPH Kastrup Copenhagen

39h 56m2 stops New York John F Kennedy Intl Istanbul

7:15 pm - 8:57 pmCPH Kastrup Copenhagen-ONT Ontario

34h 42m2 stops Istanbul New York John F Kennedy Intl

$2,056Turkish Airlines

Tue, Sep 15 - Tue, Sep 22

10:39 pm - 2:00 pmONT Ontario-CPH Kastrup Copenhagen

30h 21m2 stops New York John F Kennedy Intl Istanbul

2:55 pm - 8:57 pmCPH Kastrup Copenhagen-ONT Ontario

39h 02m2 stops Istanbul New York John F Kennedy Intl

$3,003Turkish Airlines

Fri, Sep 11 - Tue, Sep 15

10:05 am - 12:55 pmONT Ontario-CPH Kastrup Copenhagen

17h 50m3 stops Phoenix Sky Harbor Intl Baltimore/Washington Reykjavik Keflavik Intl

2:00 pm - 11:42 pmCPH Kastrup Copenhagen-ONT Ontario

18h 42m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$3,894Multiple Airlines

Sun, Sep 13 - Sun, Oct 4

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British Airways flights from Ontario to Copenhagen

Our best British Airways deals on Ontario to Copenhagen flight tickets

British Airways

Jan 6

ONT4:25 pmOntario

17h 25m

2 stops

CPH6:50 pmKastrup Copenhagen

Jan 12

CPH8:55 amKastrup Copenhagen

18h 58m

2 stops

ONT6:53 pmOntario

$767

British Airways

Jan 6

ONT4:25 pmOntario

17h 25m

2 stops

CPH6:50 pmKastrup Copenhagen

Jan 20

CPH8:55 amKastrup Copenhagen

18h 58m

2 stops

ONT6:53 pmOntario

$796

British Airways

Jan 20

ONT4:25 pmOntario

17h 25m

2 stops

CPH6:50 pmKastrup Copenhagen

Jan 24

CPH8:55 amKastrup Copenhagen

18h 58m

2 stops

ONT6:53 pmOntario

$817

United Airlines flights from Ontario to Copenhagen

Our best United Airlines deals on Ontario to Copenhagen flight tickets

United Airlines

Dec 8

ONT5:45 amOntario

19h 35m

2 stops

CPH10:20 amKastrup Copenhagen

Dec 22

CPH10:05 amKastrup Copenhagen

21h 33m

2 stops

ONT10:38 pmOntario

$777

United Airlines

Dec 28

ONT1:05 pmOntario

36h 15m

2 stops

CPH10:20 amKastrup Copenhagen

Jan 9

CPH11:35 amKastrup Copenhagen

39h 12m

2 stops

ONT5:47 pmOntario

$779

United Airlines

Jan 17

ONT7:00 amOntario

25h 30m

2 stops

CPH5:30 pmKastrup Copenhagen

Jan 23

CPH11:35 amKastrup Copenhagen

39h 12m

2 stops

ONT5:47 pmOntario

$783

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Wed 1/6

4:25 pm-6:50 pm

2 stops17h 25m

Kastrup Copenhagen

Tue 1/12

8:55 am-6:53 pm

2 stops18h 58m

$767

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Tue 12/8

5:45 am-10:20 am

2 stops19h 35m

Kastrup Copenhagen

Tue 12/22

10:05 am-10:38 pm

2 stops21h 33m

$777

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Mon 12/28

1:05 pm-10:20 am

2 stops36h 15m

Kastrup Copenhagen

Sat 1/9

11:35 am-5:47 pm

2 stops39h 12m

$779

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Sun 1/17

7:00 am-5:30 pm

2 stops25h 30m

Kastrup Copenhagen

Sat 1/23

11:35 am-5:47 pm

2 stops39h 12m

$783

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Mon 1/11

11:20 am-10:20 am

2 stops38h 00m

Kastrup Copenhagen

Sun 1/24

11:35 am-6:44 pm

2 stops40h 09m

$784

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Wed 1/6

4:25 pm-6:50 pm

2 stops17h 25m

Kastrup Copenhagen

Wed 1/20

8:55 am-6:53 pm

2 stops18h 58m

$796

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Tue 1/5

1:00 pm-1:30 pm

2 stops15h 30m

Kastrup Copenhagen

Tue 1/19

6:55 am-8:20 pm

3 stops22h 25m

$797

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Tue 11/17

6:00 am-10:20 am

2 stops19h 20m

Kastrup Copenhagen

Wed 12/9

11:35 am-5:36 pm

2 stops39h 01m

$799

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Fri 2/5

6:00 am-10:20 am

2 stops19h 20m

Kastrup Copenhagen

Fri 2/19

2:15 pm-11:06 pm

2 stops17h 51m

$805

Quickest round-trip

OntarioCopenhagen

ONT Ontario - CPH Kastrup Copenhagen

ONTCPH

Ontario

Mon 3/8

11:20 am-12:25 pm

2 stops16h 05m

Kastrup Copenhagen

Mon 3/22

6:55 am-6:39 pm

2 stops19h 44m

$806

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Copenhagen

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

Prices

Airlines

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Ontario to Copenhagen is on a Tuesday when prices can be found for as low as $770. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Copenhagen for around $867.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $801 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $842. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Copenhagen

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

Estimated round-trip price

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

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

Best Price Found	$276
Fastest flight time	15h 41m
Direct flights	None

The best one-way flight to Copenhagen from Ontario in the past 72 hours is $276. The best round-trip flight deal from Ontario to Copenhagen found on momondo in the last 72 hours is $767.

The fastest flight from Ontario to Copenhagen takes 15h 41m

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

Search flight deals

Frequently asked questions about flying from Ontario to Copenhagen

How far is Ontario to Kastrup Copenhagen by plane?
The distance between Ontario and Kastrup Copenhagen is about 5574.9 mi. 15h 41m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Kastrup Copenhagen Airport?
Prices for flights from Ontario Airport to Kastrup Copenhagen Airport were last updated today.
How old do you have to be to fly from Ontario Airport to Kastrup Copenhagen Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The travel and health documents required for your trip to Kastrup Copenhagen 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 Kastrup Copenhagen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Kastrup

Roskilde

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Copenhagen. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Copenhagen from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Ontario and Copenhagen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Ontario to Copenhagen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Copenhagen and let you know when they change.

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Cheap flights from Ontario to Copenhagen from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Copenhagen departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Ontario to Copenhagen

Our best British Airways deals on Ontario to Copenhagen flight tickets

United Airlines flights from Ontario to Copenhagen

Our best United Airlines deals on Ontario to Copenhagen flight tickets

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How to get the cheapest flight ticket from Ontario to Copenhagen

What is the cheapest day to depart on your flight to Copenhagen?

What is the cheapest time of day to depart on your flight to Copenhagen?

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

What airlines fly to Copenhagen?

When to book flights from Ontario to Copenhagen

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Copenhagen

Traveling to a place near Copenhagen?

Why use momondo?

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Airports servicing Denmark

Fly your favorite airline to Copenhagen

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Copenhagen

List of cabin classes available on flights landing in Copenhagen. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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