Cheap Flights from St Louis to Copenhagen

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Travellers and cabin class, 1 Adult, Economy

Compare St Louis to Copenhagen flight deals

Find the cheapest month or even day of the year to fly to Copenhagen

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Flight deals from St Louis to Copenhagen

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Copenhagen Airport? If you want to travel next month, return fares start from $1,505. Find the lowest prices on one-way and return tickets right here.

Copenhagen.$1,444 per passenger.Departing Tue, 12 Jan, returning Tue, 2 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 12 Jan, arriving in Copenhagen.Inbound indirect flight with Delta, departs from Copenhagen on Tue, 2 Feb, arriving in St Louis.Price includes taxes and charges.From $1,444, select.

Copenhagen.$1,446 per passenger.Departing Sun, 6 Dec, returning Tue, 22 Dec.Return flight with United and Brussels Airlines.Outbound indirect flight with United, departs from St Louis on Sun, 6 Dec, arriving in Copenhagen.Inbound indirect flight with Brussels Airlines, departs from Copenhagen on Tue, 22 Dec, arriving in St Louis.Price includes taxes and charges.From $1,446, select.

Copenhagen.$1,505 per passenger.Departing Sun, 9 Aug, returning Mon, 24 Aug.Return flight with Finnair.Outbound indirect flight with Finnair, departs from St Louis on Sun, 9 Aug, arriving in Copenhagen.Inbound indirect flight with Finnair, departs from Copenhagen on Mon, 24 Aug, arriving in St Louis.Price includes taxes and charges.From $1,505, select.

Copenhagen.$1,566 per passenger.Departing Sat, 13 Mar, returning Sat, 20 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Sat, 13 Mar, arriving in Copenhagen.Inbound indirect flight with Air Canada, departs from Copenhagen on Sat, 20 Mar, arriving in St Louis.Price includes taxes and charges.From $1,566, select.

Copenhagen.$1,569 per passenger.Departing Sun, 11 Oct, returning Tue, 20 Oct.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Sun, 11 Oct, arriving in Copenhagen.Inbound indirect flight with Lufthansa, departs from Copenhagen on Tue, 20 Oct, arriving in St Louis.Price includes taxes and charges.From $1,569, select.

Copenhagen.$1,649 per passenger.Departing Tue, 8 Sep, returning Mon, 14 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Tue, 8 Sep, arriving in Copenhagen.Inbound indirect flight with Lufthansa, departs from Copenhagen on Mon, 14 Sep, arriving in St Louis.Price includes taxes and charges.From $1,649, select.

Copenhagen.$1,675 per passenger.Departing Sun, 2 May, returning Sun, 16 May.Return flight with United.Outbound indirect flight with United, departs from St Louis on Sun, 2 May, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sun, 16 May, arriving in St Louis.Price includes taxes and charges.From $1,675, select.

Copenhagen.$3,240 per passenger.Departing Fri, 31 Jul, returning Sat, 1 Aug.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from St Louis on Fri, 31 Jul, arriving in Copenhagen.Inbound indirect flight with Scandinavian Airlines, departs from Copenhagen on Sat, 1 Aug, arriving in St Louis.Price includes taxes and charges.From $3,240, select.

Find the cheapest month to fly from St Louis to Copenhagen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Copenhagen flights are currently cheapest in December.

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St Louis to Copenhagen: Alternative routes

Compare routes from St Louis to Copenhagen below. You may find an airport to fly into that's cheaper, faster, or easier than Copenhagen.

St Louis to Copenhagen: Flight information

The things to know before you go.

Cheapest flight found	$1,444
Cheapest month to fly	January

Finding cheap flights from St Louis to Copenhagen: Frequently asked questions

How much are return flights from St Louis to Copenhagen?

The best price we found for a return flight from St Louis to Copenhagen is $1,456. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from St Louis to Copenhagen?

Currently, there are no airlines that fly direct from St Louis to Copenhagen. But we found flights with one or more stops from $1,444.

How many flights are there a week from St Louis to Copenhagen?

As of July 2026, there are no flights flying from St Louis to Copenhagen.

When is the cheapest time to fly from St Louis to Copenhagen?

The cheapest month to fly from St Louis to Copenhagen is usually January.

Which upcoming date is cheapest to fly from St Louis Airport to Copenhagen Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Copenhagen Airport on Tuesday, 12 January 2027.

Can I get a direct flight from St Louis Airport to Copenhagen Airport?

No airlines currently offer direct flights between St Louis Airport and Copenhagen Airport. Most routes have one or more stops.

How can I find the best flight deal to Copenhagen?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Copenhagen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Copenhagen?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Copenhagen is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from St Louis Airport to Copenhagen with?

Currently, Delta offers the cheapest flight tickets to Copenhagen.

Flying from St Louis Airport (STL) to Copenhagen Airport (CPH): what you need to know

The timezone in Copenhagen is UTC+1, which is seven hours ahead of St Louis.
Leave enough time to make your STL to CPH flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.
Travelling during a peak month such as July? Major public holidays and other popular seasons can lead to longer lines and delays at airport checkpoints. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.
Consider adding a stopover when booking your ticket from St Louis Airport to Copenhagen Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here's where you can stop between STL and CPH:
- Atlanta Hartsfield-Jackson Airport
- Toronto Pearson International Airport
- Washington Dulles Airport

How to find the cheapest flights from St Louis Airport (STL) to Copenhagen Airport (CPH)

The lowest price we've found for a one-way St Louis Airport to Copenhagen Airport flight is $719. A return fare is currently $1,444. Depending on the availability and when you book, these fares could change.
Don't leave everything to the last moment. You're more likely to find cheap tickets from STL to CPH if you book early. Airlines often offer some excellent early bird discounts.
The 'Whole month' search tool shows you the cheapest flights from St Louis Airport to Copenhagen Airport across the month. It's a good way to find a bargain if your trip dates are flexible.
Finding cheap flights from STL to CPH is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a lower fare pops up.
Tailor your flights using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from St Louis Airport to Copenhagen Airport.

Handy information about St Louis Airport (STL)

You'll find STL at 10701 Lambert International Blvd..
Of all flights leaving St Louis Airport, 76% land on schedule at their destination.
St Louis Airport is around 24 kilometres from central St Louis. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.
You can expect a trip time of roughly 30 minutes on public transport.
Have an early flight from St Louis Airport to Copenhagen Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels near STL:

Arriving at Copenhagen Airport (CPH)

Consider staying in a hotel close to CPH if you're on a late St Louis Airport to Copenhagen Airport flight. Choose one of these accommodation options and skip the long transfer after landing:
Pick up a Copenhagen Airport rental car and explore Copenhagen and beyond with your own set of wheels. Keddy By Europcar, Europcar and Sixt are leading providers to choose from here.
Booking your ride from Copenhagen Airport around four weeks ahead increases your chances of getting a good deal.

When to fly to Copenhagen Airport (CPH)

The quietest month for a flight from St Louis Airport to Copenhagen Airport is March, while September is the most popular. Pick the best time to go to Copenhagen based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Book your flight from St Louis Airport to Copenhagen Airport for July if you want to visit Copenhagen during its warmest month. You can expect temperatures of between 13ºC and 23ºC.
Search for cheap tickets from STL to CPH in February if you like cooler conditions. Temperatures are at their lowest then, ranging between -4ºC and 6ºC on average.

Explore more of Denmark

Odense is just one of the many cities in Denmark waiting to be discovered once you've taken in the sights of Copenhagen. Around 145 kilometres away to the west, check out popular attractions including H. C. Andersens House, H.C. Andersen Museum and Hans Christian Andersen's Childhood Home.
If you're interested in discovering another great destination in Denmark, consider Aalborg, roughly 225 kilometres north-west of Copenhagen. Kunsten Museum of Modern Art Aalborg, Klosterkirken and Aalborg Historical Museum are among the biggest draws.