Cheap Flights from Copenhagen (CPH) to St. Louis (CPS)

Popular airlines from Copenhagen Airport, Kastrup (CPH) to St. Louis, MO (CPS-St. Louis Downtown)

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS) cost?
Snag a cheap one-way flight or cheap return flight from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between CPH and CPS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPH to CPS flight.
How many flights per day from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS)?
You'll need to book a flight with a layover when traveling from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from CPH to CPS?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS)?
To land at St. Louis Downtown Airport (CPS) without delays, select a flight that leaves Kastrup Airport (CPH) before 3 PM. The likelihood 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 Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS) last-minute?
Holding off until just before your trip to book a flight from CPH to CPS generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a CPH to CPS flight and hotel package?
Compared with arranging hotels and flights separately, booking a CPH to CPS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to St. Louis Downtown Airport (CPS)?
Typically, you can cancel or reschedule your CPH to CPS flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Kastrup
Destination airport
St. Louis Downtown
Distance
4515 mi

Book with confidence

Book with confidence

Copenhagen to St. Louis Flights

The cheapest times to fly from Copenhagen to St. Louis

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 Copenhagen to St. Louis are during the month of . You can find some of the cheapest flights from Copenhagen to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to St. Louis

Sunday is one of the best days to book for cheap flights from Copenhagen to St. Louis: 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 Copenhagen to St. Louis

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 Copenhagen to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Copenhagen to St. Louis 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 Copenhagen to St. Louis 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.

 

Copenhagen to St. Louis Flights

Explore a world of travel with Expedia

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*Available to One Key members.