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Cheap flights from Ontario to Copenhagen from $333

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 8/18. 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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0 bags

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Find the cheapest flights from Ontario to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 8:55 am
ONT
-
CPH
16h 55m
2 stops
Multiple Airlines Logo
12:15 pm - 9:59 pm
CPH
-
ONT
18h 44m
2 stops
$769Multiple Airlines
Tue, Aug 18 - Wed, Aug 26
Multiple Airlines Logo
9:55 am - 1:05 pm
ONT
-
CPH
18h 10m
2 stops
Multiple Airlines Logo
11:30 am - 10:40 pm
CPH
-
ONT
20h 10m
2 stops
$774Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
9:01 am - 10:50 am
ONT
-
CPH
16h 49m
2 stops
United Airlines Logo
10:10 am - 6:11 pm
CPH
-
ONT
17h 01m
2 stops
$777United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
7:00 am - 8:55 am
ONT
-
CPH
16h 55m
2 stops
United Airlines Logo
2:40 pm - 10:58 pm
CPH
-
ONT
17h 18m
2 stops
$803United Airlines
Tue, Aug 25 - Thu, Sep 17
United Airlines Logo
5:00 am - 8:55 am
ONT
-
CPH
18h 55m
2 stops
United Airlines Logo
12:25 pm - 10:58 pm
CPH
-
ONT
19h 33m
2 stops
$804United Airlines
Sun, Aug 9 - Wed, Sep 9
United Airlines Logo
6:00 am - 10:50 am
ONT
-
CPH
19h 50m
2 stops
United Airlines Logo
12:25 pm - 10:58 pm
CPH
-
ONT
19h 33m
2 stops
$808United Airlines
Mon, Sep 7 - Wed, Sep 16
United Airlines Logo
5:00 am - 10:50 am
ONT
-
CPH
20h 50m
2 stops
United Airlines Logo
6:10 am - 5:56 pm
CPH
-
ONT
20h 46m
2 stops
$814United Airlines
Mon, May 11 - Thu, May 21
United Airlines Logo
9:01 am - 10:50 am
ONT
-
CPH
16h 49m
2 stops
United Airlines Logo
12:45 pm - 10:58 pm
CPH
-
ONT
19h 13m
2 stops
$831United Airlines
Thu, Aug 27 - Tue, Sep 15
United Airlines Logo
5:00 am - 8:55 am
ONT
-
CPH
18h 55m
2 stops
United Airlines Logo
12:45 pm - 6:19 pm
CPH
-
ONT
38h 34m
2 stops
$840United Airlines
Sun, Aug 16 - Sun, Sep 13
United Airlines Logo
6:30 am - 9:15 am
ONT
-
CPH
17h 45m
2 stops
United Airlines Logo
10:10 am - 8:04 pm
CPH
-
ONT
18h 54m
2 stops
$843United Airlines
Thu, Jul 30 - Thu, Aug 13

United Airlines flights from Ontario to Copenhagen

Our best United Airlines deals on Ontario to Copenhagen flight tickets
United Airlines
Aug 12
ONT9:01 amOntario
16h 49m
2 stops
CPH10:50 amKastrup Copenhagen
Aug 19
CPH10:10 amKastrup Copenhagen
17h 01m
2 stops
ONT6:11 pmOntario
$777
United Airlines
May 3
ONT1:40 pmOntario
24h 50m
2 stops
CPH11:30 pmKastrup Copenhagen
Jun 5
CPH12:15 pmKastrup Copenhagen
33h 32m
2 stops
ONT12:47 pmOntario
$785
United Airlines
May 6
ONT6:00 amOntario
23h 10m
2 stops
CPH2:10 pmKastrup Copenhagen
Jun 5
CPH12:15 pmKastrup Copenhagen
33h 32m
2 stops
ONT12:47 pmOntario
$787

Delta flights from Ontario to Copenhagen

Our best Delta deals on Ontario to Copenhagen flight tickets
Delta
May 3
ONT10:15 pmOntario
23h 30m
2 stops
CPH6:45 amKastrup Copenhagen
May 20
CPH9:00 amKastrup Copenhagen
21h 48m
2 stops
ONT9:48 pmOntario
$802
Delta
May 3
ONT10:15 pmOntario
23h 30m
2 stops
CPH6:45 amKastrup Copenhagen
May 22
CPH6:00 amKastrup Copenhagen
19h 17m
2 stops
ONT4:17 pmOntario
$811
Delta
May 4
ONT10:15 pmOntario
47h 30m
2 stops
CPH6:45 amKastrup Copenhagen
May 20
CPH9:00 amKastrup Copenhagen
34h 57m
2 stops
ONT10:57 amOntario
$813

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Copenhagen 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, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Ontario to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 8/18

7:00 am-8:55 am

2 stops16h 55m

Kastrup Copenhagen

Wed 8/26

12:15 pm-9:59 pm

2 stops18h 44m

$769

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 8/12

9:55 am-1:05 pm

2 stops18h 10m

Kastrup Copenhagen

Wed 8/19

11:30 am-10:40 pm

2 stops20h 10m

$774
Quickest round-trip

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Wed 8/12

9:01 am-10:50 am

2 stops16h 49m

Kastrup Copenhagen

Wed 8/19

10:10 am-6:11 pm

2 stops17h 01m

$777

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Tue 8/25

7:00 am-8:55 am

2 stops16h 55m

Kastrup Copenhagen

Thu 9/17

2:40 pm-10:58 pm

2 stops17h 18m

$803

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 8/9

5:00 am-8:55 am

2 stops18h 55m

Kastrup Copenhagen

Wed 9/9

12:25 pm-10:58 pm

2 stops19h 33m

$804

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 9/7

6:00 am-10:50 am

2 stops19h 50m

Kastrup Copenhagen

Wed 9/16

12:25 pm-10:58 pm

2 stops19h 33m

$808

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Mon 5/11

5:00 am-10:50 am

2 stops20h 50m

Kastrup Copenhagen

Thu 5/21

6:10 am-5:56 pm

2 stops20h 46m

$814

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 8/27

9:01 am-10:50 am

2 stops16h 49m

Kastrup Copenhagen

Tue 9/15

12:45 pm-10:58 pm

2 stops19h 13m

$831

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Sun 8/16

5:00 am-8:55 am

2 stops18h 55m

Kastrup Copenhagen

Sun 9/13

12:45 pm-6:19 pm

2 stops38h 34m

$840

OntarioCopenhagen

ONT - CPH

ONTCPH

Ontario

Thu 7/30

6:30 am-9:15 am

2 stops17h 45m

Kastrup Copenhagen

Thu 8/13

10:10 am-8:04 pm

2 stops18h 54m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Copenhagen from

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

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

The cheapest day to depart from Ontario to Copenhagen is on a Wednesday when prices can be found for as low as $674. 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 $763.

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 $704 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

Fastest flight time

16h 49m

Direct flights

None
The fastest flight from Ontario to Copenhagen takes 16h 49m
There are no direct flights from Ontario to Copenhagen. There are no popular flight routes from Ontario to Copenhagen.
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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. 16h 49m 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.

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
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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