Skyscanner home

Cheap flights from St Louis to Copenhagen

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 round-trip flight from St Louis Airport to Copenhagen Airport? If you want to travel next month, round-trip fares start from $760. Find the lowest prices on one-way and round-trip tickets right here.
Copenhagen.$760 per passenger.Departing Fri, Aug 14, returning Sat, Aug 29.Round-trip flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departing from St Louis on Fri, Aug 14, arriving in Copenhagen.Inbound indirect flight with Ryanair, departing from Copenhagen on Sat, Aug 29, arriving in St Louis.Price includes taxes and charges.From $760, select.
Copenhagen.$761 per passenger.Departing Sun, Sep 20, returning Sat, Sep 26.Round-trip flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departing from St Louis on Sun, Sep 20, arriving in Copenhagen.Inbound indirect flight with Ryanair, departing from Copenhagen on Sat, Sep 26, arriving in St Louis.Price includes taxes and charges.From $761, select.
Copenhagen.$806 per passenger.Departing Fri, Sep 25, returning Sat, Oct 3.Round-trip flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departing from St Louis on Fri, Sep 25, arriving in Copenhagen.Inbound indirect flight with Ryanair, departing from Copenhagen on Sat, Oct 3, arriving in St Louis.Price includes taxes and charges.From $806, select.
Copenhagen.$829 per passenger.Departing Tue, Jan 12, returning Tue, Feb 2.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Tue, Jan 12, arriving in Copenhagen.Inbound indirect flight with Delta, departing from Copenhagen on Tue, Feb 2, arriving in St Louis.Price includes taxes and charges.From $829, select.
Copenhagen.$830 per passenger.Departing Sun, Dec 6, returning Tue, Dec 22.Round-trip flight with United and Brussels Airlines.Outbound indirect flight with United, departing from St Louis on Sun, Dec 6, arriving in Copenhagen.Inbound indirect flight with Brussels Airlines, departing from Copenhagen on Tue, Dec 22, arriving in St Louis.Price includes taxes and charges.From $830, select.
Copenhagen.$899 per passenger.Departing Sat, Mar 13, returning Sat, Mar 20.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Louis on Sat, Mar 13, arriving in Copenhagen.Inbound indirect flight with Air Canada, departing from Copenhagen on Sat, Mar 20, arriving in St Louis.Price includes taxes and charges.From $899, select.
Copenhagen.$948 per passenger.Departing Wed, Oct 7, returning Sun, Oct 18.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Wed, Oct 7, arriving in Copenhagen.Inbound indirect flight with United, departing from Copenhagen on Sun, Oct 18, arriving in St Louis.Price includes taxes and charges.From $948, select.
Copenhagen.$962 per passenger.Departing Sun, May 2, returning Sun, May 16.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Sun, May 2, arriving in Copenhagen.Inbound indirect flight with United, departing from Copenhagen on Sun, May 16, arriving in St Louis.Price includes taxes and charges.From $962, select.
Copenhagen.$1,129 per passenger.Departing Fri, Jul 10, returning Fri, Jul 17.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Louis on Fri, Jul 10, arriving in Copenhagen.Inbound indirect flight with Air Canada, departing from Copenhagen on Fri, Jul 17, arriving in St Louis.Price includes taxes and charges.From $1,129, select.
Copenhagen.$1,624 per passenger.Departing Fri, Jul 31, returning Sat, Aug 1.Round-trip flight with Southern Airways Express and Ryanair.Outbound indirect flight with Southern Airways Express, departing from St Louis on Fri, Jul 31, arriving in Copenhagen.Inbound indirect flight with Ryanair, departing from Copenhagen on Sat, Aug 1, arriving in St Louis.Price includes taxes and charges.From $1,624, 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 August.
Jul
from $1,129
Aug
from $760
Sep
from $761
Oct
from $948
Nov
Find prices
Dec
from $830
Jan
Find prices
Feb
Find prices
Mar
from $899
Apr
Find prices
May
from $962
Jun
Find prices

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.

Copenhagen

9km from central Copenhagen
ClosestCheapest
from $760
Search flights

Malmo Sturup

53km from central Copenhagen
from $1,049
Search flights

Angelholm Helsingborg

71km from central Copenhagen
Search flights

St Louis to Copenhagen: Flight information

The things to know before you go.
Cheapest flight found$760
Cheapest month to flyAugust

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

The best price we found for a round-trip flight from St Louis to Copenhagen is $760. 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 $760.
There are no flights flying from St Louis to Copenhagen, as of July 2026.
The cheapest month to fly from St Louis to Copenhagen is usually August.
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 Friday, August 14, 2026.
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, Frontier Airlines 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.

  • Traveling 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 $298. A return fare is currently $760. 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)

Arriving at Copenhagen Airport (CPH)

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 (55ºF) and 23ºC (73ºF).

  • Search for cheap tickets from STL to CPH in February if you like cooler conditions. Temperatures are at their lowest 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 discovered once you've taken in the sights of Copenhagen. Around 145 kilometers 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 kilometers north-west of Copenhagen. Kunsten Museum of Modern Art Aalborg, Klosterkirken and Aalborg Historical Museum are among the biggest draws.

Plan the rest of your trip from St Louis to Copenhagen

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.