$405 Cheap Flights from Ontario (ONT) to Copenhagen (CPH)

View $405 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Copenhagen Airport, Kastrup (CPH)

Cheap Flights from Ontario to Copenhagen (ONT-CPH)

Prices were available within the past 7 days and start at $405 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 16 - Tue, Nov 18
ONT
Ontario
CPH
Copenhagen
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 16 from Ontario to Copenhagen, returning Tue, Nov 18, priced at $514 found 6 days ago
United
Tue, Mar 31 - Thu, Apr 2
ONT
Ontario
CPH
Copenhagen
$525 Roundtrip, found 4 days ago
$525
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 31 from Ontario to Copenhagen, returning Thu, Apr 2, priced at $525 found 4 days ago
United
Wed, Oct 15 - Tue, Nov 4
ONT
Ontario
CPH
Copenhagen
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 15 from Ontario to Copenhagen, returning Tue, Nov 4, priced at $548 found 2 days ago
Delta
Wed, Nov 5 - Wed, Nov 12
ONT
Ontario
CPH
Copenhagen
$550 Roundtrip, found 4 days ago
$550
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 5 from Ontario to Copenhagen, returning Wed, Nov 12, priced at $550 found 4 days ago
Delta
Wed, Nov 5 - Wed, Nov 12
ONT
Ontario
CPH
Copenhagen
$550 Roundtrip, found 4 days ago
$550
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 5 from Ontario to Copenhagen, returning Wed, Nov 12, priced at $550 found 4 days ago
Delta
Wed, Nov 5 - Wed, Nov 12
ONT
Ontario
CPH
Copenhagen
$555 Roundtrip, found 4 days ago
$555
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 5 from Ontario to Copenhagen, returning Wed, Nov 12, priced at $555 found 4 days ago
Delta
Sun, Mar 29 - Tue, Apr 7
ONT
Ontario
CPH
Copenhagen
$559 Roundtrip, found 13 hours ago
$559
Roundtrip
found 13 hours ago
Select Delta flight, departing Sun, Mar 29 from Ontario to Copenhagen, returning Tue, Apr 7, priced at $559 found 13 hours ago
Air Canada
Mon, Mar 30 - Sun, Apr 5
ONT
Ontario
CPH
Copenhagen
$574 Roundtrip, found 3 days ago
$574
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Mar 30 from Ontario to Copenhagen, returning Sun, Apr 5, priced at $574 found 3 days ago
KLM
Wed, Nov 5 - Wed, Nov 12
ONT
Ontario
CPH
Copenhagen
$608 Roundtrip, found 4 days ago
$608
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Nov 5 from Ontario to Copenhagen, returning Wed, Nov 12, priced at $608 found 4 days ago
American Airlines
Sun, Mar 29 - Tue, Apr 7
ONT
Ontario
CPH
Copenhagen
$624 Roundtrip, found 13 hours ago
$624
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sun, Mar 29 from Ontario to Copenhagen, returning Tue, Apr 7, priced at $624 found 13 hours ago

Alternative airports near Copenhagen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kastrup CPH. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $1,657
CPH
Kastrup
CheapestClosest
Average driving time to city center10 min
Flights from $1,657

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH) cost?
Secure a cheap one-way flight from $405 or cheap return flight from $514 from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
November is the cheapest month to fly from ONT to CPH. Traveling outside of peak seasons is often the key to finding better fares.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
Although Ontario, CA (ONT-Los Angeles - Ontario Intl.) doesn't have any direct flights to Kastrup Airport (CPH), other airports have nonstop options. Leaving from Los Angeles Intl. Airport (LAX) will get you to Copenhagen without any detours.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ONT to CPH flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
You'll have to take a flight with a layover if you're traveling from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ONT to CPH?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
To reach Kastrup Airport (CPH) on schedule, select a flight that leaves from Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH) last-minute?
Waiting until just before your departure to book your flight from ONT to CPH often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book an ONT to CPH flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to CPH flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Kastrup Airport (CPH)?
It's generally possible to reschedule or cancel your ONT to CPH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, United, Virgin Atlantic
Roundtrip price
$514
Distance
5581 mi

Book with confidence

Book with confidence

Ontario to Copenhagen Flights

The cheapest times to fly from Ontario to Copenhagen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Copenhagen are during the month of November. You can find some of the cheapest flights from Ontario to Copenhagen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Copenhagen

Sunday is one of the best days to book for cheap flights from Ontario to Copenhagen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Copenhagen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $405 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Copenhagen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Copenhagen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Ontario to Copenhagen Flights

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*Available to One Key members.