Cheap flights from St Louis to Copenhagen

Travellers and cabin class

Compare St Louis to Copenhagen flight deals

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

Book the best Copenhagen fare with no extra fees

Flight deals from St Louis to Copenhagen

Looking for a cheap last-minute deal or the best return flight from St Louis to Copenhagen? Find the lowest prices on one-way and return tickets right here.

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 November.

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 foundP36,694
Cheapest month to flyNovember

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

The best price we found for a return flight from St Louis to Copenhagen is P36,694. 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.
Currently, there are no airlines that fly direct from St Louis to Copenhagen. But we found flights with one or more stops from P36,694.
As of May 2025, there are no flights flying from St Louis to Copenhagen.
The cheapest month to fly from St Louis to Copenhagen is usually May 2025.
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, 4 November 2025.
No airlines currently offer direct flights between St Louis Airport and Copenhagen Airport. Most routes have one or more stops.
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.
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.
Currently, Delta offers the cheapest flight tickets to Copenhagen.

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

  • The timezone in Copenhagen is UTC+1, which is six hours ahead of St Louis.

  • Give yourself enough time to make your STL to CPH flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time such as July? Public holidays and other popular periods can mean longer queues at airport checkpoints. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Copenhagen Airport. These are the top stopovers between STL and CPH:

    • Washington Dulles International Airport

    • Pearson International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Copenhagen Airport (CPH)

  • The lowest price we've found for a one-way Lambert-St. Louis International Airport to Copenhagen Airport flight is P24,515. A return fare right now is P36,694. Depending on the availability and when you book, these fares could change.

  • To get your hands on cheap tickets from STL to CPH, book early. Airlines generally offer lower fares when flights are first made available.

  • Finding cheap flights from Lambert-St. Louis International Airport to Copenhagen Airport is more likely if you're flexible with your travel plans. Use the 'Whole month' search tool to see the lowest prices throughout the month and score a great deal.

  • Landing cheap flights from STL to CPH is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Tailor your trip with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Copenhagen Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Copenhagen Airport (CPH)

  • If you're arriving on a late Lambert-St. Louis International Airport to Copenhagen Airport flight, nothing tops the convenience of being near the terminal. Pick up your bags from the carousel and then be showered and relaxing soon after at one of these hotels near CPH:

  • Explore without limits with a Copenhagen Airport rental car. Pick up your wheels from Keddy By Europcar, Europcar or Sixt and discover more of Copenhagen and beyond.

  • Booking your ride from Copenhagen Airport about four weeks ahead increases your chances of getting a good deal.

Getting from Copenhagen Airport (CPH) to central Copenhagen

  • From Copenhagen Airport, Copenhagen is approximately 11 kilometres away. It takes around 20 minutes to reach the centre driving.

  • It takes around 35 minutes if you're travelling on public transport.

When to fly to Copenhagen Airport (CPH)

  • June is the busiest month for flights from Lambert-St. Louis International Airport to Copenhagen Airport. To steer clear of the crowds, travel to Copenhagen in January.

  • Book your flight from Lambert-St. Louis International Airport to Copenhagen Airport for July if you'd like to visit Copenhagen during its warmest month. Expect temperatures of between 13ºC (55ºF) and 23ºC (73ºF).

  • Search for cheap tickets from STL to CPH in February if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -4ºC (25ºF) and 6ºC (43ºF) on average.

Explore more of Denmark

  • Odense is just one of the many cities in Denmark waiting to be explored once you've seen Copenhagen. Around 145 kilometres away to the west, popular attractions include Hermes (gud for handlende) vandskulptur, Det gamle vandtårn and Rose Garden.

  • Aalborg is another well-known destination in Denmark and is around 225 kilometres north-west of Copenhagen. No trip is complete without seeing Aalborg Historical Museum, Utzon Centre and Kunsten Museum of Modern Art Aalborg.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.