Are direct flights from St. Louis to Copenhagen always the best option?

Direct flights offer convenience and save time, but they are not always the cheapest option. Flights with layovers can sometimes be significantly more affordable. Consider if the potential savings outweigh the extra travel time and any inconvenience of a stopover.

Can flexible travel dates help on St. Louis to Copenhagen flights?

Being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly between different days of the week or even within the same month. Tools that allow you to view a calendar of prices can highlight the most affordable times to fly.

What extra costs should I check before booking St. Louis to Copenhagen flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these fees upfront can help you compare the true total cost of different flight options.

Flights From St. Louis

To Copenhagen

Cheap Flights from St. Louis to Copenhagen

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Copenhagen

Prices updated today

451 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 17, 2026.)

Today’s best flight deals from St. Louis to Copenhagen

Explore current cheapest deals departing from St. Louis to Copenhagen

2026-12-08 – 2026-12-15
STL - Copenhagen
79% AI deal score
$902
$835
Round trip
2027-02-03 – 2027-02-10
STL - Copenhagen
78% AI deal score
$859
$838
Round trip
2026-12-09 – 2026-12-16
STL - Copenhagen
79% AI deal score
$902
$840
Round trip
2026-11-04 – 2026-11-11
STL - Copenhagen
76% AI deal score
$737
$863
Round trip
2026-11-11 – 2026-11-18
STL - Copenhagen
76% AI deal score
$744
$869
Round trip
2026-12-04 – 2026-12-11
STL - Copenhagen
77% AI deal score
$890
$875
Round trip
2026-12-06 – 2026-12-13
STL - Copenhagen
77% AI deal score
$898
$879
Round trip
2026-10-11 – 2026-10-20
STL - Copenhagen
77% AI deal score
$767
$882
Round trip
2026-10-07 – 2026-10-17
STL - Copenhagen
77% AI deal score
$764
$884
Round trip
2026-12-10 – 2026-12-17
STL - Copenhagen
77% AI deal score
$902
$885
Round trip

St. Louis to Copenhagen: Overview

Insights for flights from St. Louis to Copenhagen

Most itineraries for cheap flights from St. Louis to Copenhagen connect at least once. In fact, 0% of recent fares were non-stop, meaning you should expect to make connections. When connecting, the typical number of stopovers is 2.

Right now, fares to Copenhagen from St. Louis are below the typical level. Prices for this route typically range from $918–$1216, with a median of $1077. Currently, 1% of recent fares are considered a good price.

When is the cheapest time to fly from St. Louis to Copenhagen? The data indicates that October is the cheapest month to fly, with a median fare of $414. Other relatively inexpensive months include August, with a median fare of $822, and May, where the median fare is $1153.

A typical journey from St. Louis to Copenhagen takes approximately 43h 21m, including connections. This is a significant travel time, reflecting the need for multiple stopovers on this long-haul route.

The distance between St. Louis and Copenhagen is approximately 7265 kilometers. This classifies the route as a long-haul journey, which typically involves extended flight times and often requires connections.

How much is a round trip from St. Louis to Copenhagen

Regular price: $761 - $1,542

Prices are currently below the regular range.

The regular price range for flights from St. Louis to Copenhagen is between $761 and $1542. The current lowest deal is $741 with Frontier Airlines for travel from Aug 16-Aug 29.

now $741

Low $761

High $1,542

The cheapest time to fly from St. Louis to Copenhagen

The cheapest month to fly from St. Louis to Copenhagen is October, with a median price of $414. The most expensive month is April, with a median price of $1244. Prices are generally lower from May to October.

October

Cheapest

Flights from $414

April

Most Expensive

Flights from $1,244

Apr

May

Jun

Jul

Aug

Oct

Direct flights from St. Louis to Copenhagen

Air Canada

United Airlines

WestJet

Frontier Airlines

Last-minute flights going from St. Louis to Copenhagen

Wed, Aug 19

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$1,104

$955

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$952

$1,068

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$982

$1,090

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$970

$1,218

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$952

$1,248

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$1,002

$1,274

One-way

Biggest price drops on these dates for flights from St. Louis to Copenhagen

4 nights

Feb 24 - Feb 28

$1,060 → $820

23%

2 nights

Aug 21 - Aug 23

$1,133 → $965

15%

16 nights

Aug 10 - Aug 26

$1,016 → $910

10%

7 nights

Aug 19 - Aug 26

$1,016 → $937

Popular Airports to fly from St. Louis to Copenhagen

St. Louis - Copenhagen route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from St. Louis to Copenhagen are below the typical level at $741.

📅 Best time to fly

October is historically cheapest at $414

Historically, October is the cheapest month to fly from St. Louis to Copenhagen, at $414.

⏱️ Flight duration

Flights average 43h 21m

Flights from St. Louis to Copenhagen typically take 43h 21m, with 2 stopovers on connecting flights.

✈️ Airlines & availability

Connecting flights only

There are no direct flights; connecting flights are available from multiple airlines.

🏆 Airline highlight

Frontier Airlines offers a recent deal

Frontier Airlines had a recent deal for $741 from St. Louis to Copenhagen.

🎯 Booking tip

Deals are rare for this route

Deals on flights from St. Louis to Copenhagen are rare, so book when you see a good price.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a good choice for flights from St. Louis to Copenhagen.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$728

Copenhagen main airports to arrive at

Airport Copenhagen (CPH)

Cheapest

Airport Copenhagen is a good option for flights from St. Louis to Copenhagen.

📍 ~10 km from Copenhagen city center (reachable by car)

💸 Flights from ~$728

Airports nearby Copenhagen used as alternative

Malmö (MMX)

Malmö (MMX) is a useful alternative due to its proximity and easy access to Copenhagen.

📍 ~28 km from Copenhagen (reachable by train or car)

💸 Flights from ~$972

Business & First Class Flight Deals to Copenhagen

$4,138

Save $1,814

United Airlines

Business Class

From STL

Elite

Sep 21

Copenhagen, Denmark

89% AI deal score

$5,808

$4,150

Save $1,658

Air Canada

Business Class

From STL

Elite

Sep 07

Copenhagen, Denmark

89% AI deal score

$5,811

$4,150

Save $1,661

Air Canada

Business Class

From STL

Elite

Sep 22

Copenhagen, Denmark

89% AI deal score

$5,801

$4,192

Save $1,609

United Airlines

Business Class

Frequently Asked Questions About Flights to Copenhagen

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites is often helpful. Setting up price alerts can also notify you when fares drop for your desired route.

Booking in advance often provides more competitive prices, though last-minute deals can sometimes appear. Prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings are sometimes more affordable than weekend bookings.

Comparing nearby airports at both your origin and destination can sometimes reveal more economical flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Related routes

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Flights to Copenhagen from other cities

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St. Louis to Copenhagen: Overview

Insights for flights from St. Louis to Copenhagen

How much is a round trip from St. Louis to Copenhagen

Regular price: $761 - $1,542

Prices are currently below the regular range.

The regular price range for flights from St. Louis to Copenhagen is between $761 and $1542. The current lowest deal is $741 with Frontier Airlines for travel from Aug 16-Aug 29.

now $741

Low $761

High $1,542

The cheapest time to fly from St. Louis to Copenhagen

October

Cheapest

Flights from $414

April

Most Expensive

Flights from $1,244

Apr

May

Jun

Jul

Aug

Oct

Direct flights from St. Louis to Copenhagen

Air Canada

United Airlines

WestJet

Frontier Airlines

Last-minute flights going from St. Louis to Copenhagen

Wed, Aug 19

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$1,104

$955

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$952

$1,068

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$982

$1,090

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$970

$1,218

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$952

$1,248

One-way

Sun, Aug 23

⌛ Last-Minute

STL - Copenhagen

St. Louis (STL) - Copenhagen (CPH)

Air Canada

$1,002

$1,274

One-way

Biggest price drops on these dates for flights from St. Louis to Copenhagen

4 nights

Feb 24 - Feb 28

$1,060 → $820

23%

2 nights

Aug 21 - Aug 23

$1,133 → $965

15%

16 nights

Aug 10 - Aug 26

$1,016 → $910

10%

7 nights

Aug 19 - Aug 26

$1,016 → $937

Popular Airports to fly from St. Louis to Copenhagen