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Cheap flights from Copenhagen to St Louis

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Flight deals from Copenhagen to St Louis

Looking for a cheap last-minute deal or the best round-trip flight from Copenhagen Airport to St Louis Airport? If you want to travel next month, round-trip fares start from $651. Find the lowest prices on one-way and round-trip tickets right here.
St Louis.$651 per passenger.Departing Thu, Aug 20, returning Thu, Aug 27.Round-trip flight with Lufthansa.Outbound indirect flight with Lufthansa, departing from Copenhagen on Thu, Aug 20, arriving in St Louis.Inbound indirect flight with Lufthansa, departing from St Louis on Thu, Aug 27, arriving in Copenhagen.Price includes taxes and charges.From $651, select.
St Louis.$662 per passenger.Departing Thu, Sep 17, returning Tue, Sep 22.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Copenhagen on Thu, Sep 17, arriving in St Louis.Inbound indirect flight with British Airways, departing from St Louis on Tue, Sep 22, arriving in Copenhagen.Price includes taxes and charges.From $662, select.
St Louis.$663 per passenger.Departing Mon, Sep 28, returning Sat, Oct 3.Round-trip flight with United.Outbound indirect flight with United, departing from Copenhagen on Mon, Sep 28, arriving in St Louis.Inbound indirect flight with United, departing from St Louis on Sat, Oct 3, arriving in Copenhagen.Price includes taxes and charges.From $663, select.
St Louis.$664 per passenger.Departing Wed, Dec 16, returning Fri, Dec 25.Round-trip flight with Lufthansa.Outbound indirect flight with Lufthansa, departing from Copenhagen on Wed, Dec 16, arriving in St Louis.Inbound indirect flight with Lufthansa, departing from St Louis on Fri, Dec 25, arriving in Copenhagen.Price includes taxes and charges.From $664, select.
St Louis.$664 per passenger.Departing Tue, Oct 13, returning Tue, Oct 20.Round-trip flight with Lufthansa.Outbound indirect flight with Lufthansa, departing from Copenhagen on Tue, Oct 13, arriving in St Louis.Inbound indirect flight with Lufthansa, departing from St Louis on Tue, Oct 20, arriving in Copenhagen.Price includes taxes and charges.From $664, select.
St Louis.$671 per passenger.Departing Thu, Nov 12, returning Fri, Dec 4.Round-trip flight with United.Outbound indirect flight with United, departing from Copenhagen on Thu, Nov 12, arriving in St Louis.Inbound indirect flight with United, departing from St Louis on Fri, Dec 4, arriving in Copenhagen.Price includes taxes and charges.From $671, select.
St Louis.$671 per passenger.Departing Thu, Aug 13, returning Tue, Dec 15.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Copenhagen on Thu, Aug 13, arriving in St Louis.Inbound indirect flight with Air Canada, departing from St Louis on Tue, Dec 15, arriving in Copenhagen.Price includes taxes and charges.From $671, select.
St Louis.$675 per passenger.Departing Tue, Jul 21, returning Fri, Aug 14.Round-trip flight with Austrian Airlines and Lufthansa.Outbound indirect flight with Austrian Airlines, departing from Copenhagen on Tue, Jul 21, arriving in St Louis.Inbound indirect flight with Lufthansa, departing from St Louis on Fri, Aug 14, arriving in Copenhagen.Price includes taxes and charges.From $675, select.
St Louis.$679 per passenger.Departing Mon, Jul 27, returning Sat, Dec 12.Round-trip flight with United.Outbound indirect flight with United, departing from Copenhagen on Mon, Jul 27, arriving in St Louis.Inbound indirect flight with United, departing from St Louis on Sat, Dec 12, arriving in Copenhagen.Price includes taxes and charges.From $679, select.
St Louis.$725 per passenger.Departing Sat, Jul 25, returning Fri, Jul 31.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Copenhagen on Sat, Jul 25, arriving in St Louis.Inbound indirect flight with Air Canada, departing from St Louis on Fri, Jul 31, arriving in Copenhagen.Price includes taxes and charges.From $725, select.
St Louis.$732 per passenger.Departing Sat, Dec 19, returning Sat, Jan 2.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Copenhagen on Sat, Dec 19, arriving in St Louis.Inbound indirect flight with Air Canada, departing from St Louis on Sat, Jan 2, arriving in Copenhagen.Price includes taxes and charges.From $732, select.

Find the cheapest month to fly from Copenhagen to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Copenhagen to St Louis flights are currently cheapest in August.
Jul
from $725
Aug
from $651
Sep
from $662
Oct
from $664
Nov
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Dec
from $664
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Copenhagen to St Louis: Alternative routes

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

St Louis

20km from central St Louis
ClosestCheapest
from $651
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Belleville

32km from central St Louis
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Copenhagen to St Louis: Flight information

The things to know before you go.
Cheapest flight found$651
Cheapest month to flyAugust

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

The best price we found for a round-trip flight from Copenhagen to St Louis is $652. 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 Copenhagen to St Louis. But we found flights with one or more stops from $651.
There are no flights flying from Copenhagen to St Louis, as of July 2026.
The cheapest month to fly from Copenhagen to St Louis is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Copenhagen Airport to St Louis Airport on Thursday, August 20, 2026.
No airlines currently offer direct flights between Copenhagen Airport and St Louis 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 St Louis 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 St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Lufthansa offers the cheapest flight tickets to St Louis.

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

  • The timezone in St Louis is UTC-6, which is seven hours behind Copenhagen.

  • Leave enough time to catch your CPH to STL flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Traveling during a peak month such as September? Major public holidays and other popular periods can mean longer queues and delays at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • Think about adding a stopover when booking your ticket from Copenhagen Airport to St Louis Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here are some options between CPH and STL:

    • Chicago O'Hare International Airport

    • Atlanta Hartsfield-Jackson Airport

    • Washington Dulles Airport

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

  • $482 is the lowest price for a one-way Copenhagen Airport to St Louis Airport flight. A return flight starts at $652. These fares can change based on availability and demand.

  • It's usually best to book ahead of time if you're looking for cheap tickets from CPH to STL. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' tool. It'll show you the lowest price across every month when looking for a flight from Copenhagen Airport to St Louis Airport.

  • Snapping up cheap flights from CPH to STL couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Copenhagen Airport to St Louis Airport.

Handy information about Copenhagen Airport (CPH)

  • Copenhagen Airport gets top marks for its on-time performance. 83% of flights that take off from CPH reach their destination on time.

  • Copenhagen Airport is around 8 kilometers from central Copenhagen. If you're catching a cab, ride-sharing or driving from the center, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Catching public transport? Expect a journey time of around 15 minutes.

  • Looking for a handy hotel near CPH? If you're boarding an early flight from Copenhagen Airport to St Louis Airport, these stays will have you sleeping moments from check-in:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • You'll find STL at 10701 Lambert International Blvd..

  • From St Louis Airport, St Louis is approximately 24 kilometers away. It takes around 25 minutes to reach the center by car.

  • It'll take around 30 minutes to get there using public transport.

When to fly to St Louis Airport (STL)

  • July is the most popular month for flights from Copenhagen Airport to St Louis Airport. For smaller crowds, travel to St Louis in March.

  • Before locking in your flight from Copenhagen Airport to St Louis Airport, consider the type of weather you like. July is the warmest month in St Louis, with temperatures ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • Look for cheap tickets from CPH to STL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -7ºC (19ºF) and 8ºC (46ºF) on average.

Explore more of the United States

  • St Louis is easy to fall in love with, but there are so many other parts of the United States you should also see. Around 418 kilometers north-east of St Louis, a visit to Chicago will keep your itinerary packed. Start with popular sights like Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you're looking to explore another great destination in the United States, consider Indianapolis, roughly 370 kilometers east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are the start of reasons to visit.

More travel options

Plan the rest of your trip from Copenhagen to St Louis

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