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Cheap flights from Copenhagen to St. Louis from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to St. Louis departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Copenhagen to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
3:30 pm - 1:55 pm
STL
-
CPH
15h 25m
1 stop
$570Lufthansa
Fri, Apr 17 - Wed, Apr 22
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
1:10 pm - 4:25 pm
STL
-
CPH
20h 15m
2 stops
$572Lufthansa
Fri, Apr 17 - Wed, Apr 22
Lufthansa Logo
10:10 am - 9:13 pm
CPH
-
STL
18h 03m
2 stops
Lufthansa Logo
1:10 pm - 4:25 pm
STL
-
CPH
20h 15m
2 stops
$581Lufthansa
Fri, Apr 17 - Wed, Apr 22
Lufthansa Logo
6:30 am - 1:25 pm
CPH
-
STL
13h 55m
1 stop
Lufthansa Logo
1:10 pm - 4:35 pm
STL
-
CPH
20h 25m
2 stops
$603Lufthansa
Fri, Apr 17 - Tue, Apr 21
Lufthansa Logo
6:30 am - 7:22 pm
CPH
-
STL
19h 52m
2 stops
Lufthansa Logo
12:15 pm - 11:55 am
STL
-
CPH
16h 40m
2 stops
$609Lufthansa
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
6:20 am - 1:25 pm
CPH
-
STL
14h 05m
1 stop
United Airlines Logo
3:20 pm - 2:10 pm
STL
-
CPH
15h 50m
2 stops
$621United Airlines
Wed, Apr 29 - Mon, May 11
United Airlines Logo
6:20 am - 1:25 pm
CPH
-
STL
14h 05m
1 stop
United Airlines Logo
9:00 am - 9:15 am
STL
-
CPH
17h 15m
2 stops
$623United Airlines
Wed, Apr 29 - Sat, May 9
United Airlines Logo
6:30 am - 8:25 pm
CPH
-
STL
20h 55m
2 stops
United Airlines Logo
3:20 pm - 2:10 pm
STL
-
CPH
15h 50m
2 stops
$624United Airlines
Fri, May 1 - Mon, May 11
United Airlines Logo
6:20 am - 1:25 pm
CPH
-
STL
14h 05m
1 stop
United Airlines Logo
7:45 am - 9:15 am
STL
-
CPH
18h 30m
2 stops
$625United Airlines
Wed, Apr 29 - Fri, May 8
United Airlines Logo
6:20 am - 1:25 pm
CPH
-
STL
14h 05m
1 stop
United Airlines Logo
2:20 pm - 10:50 am
STL
-
CPH
13h 30m
1 stop
$626United Airlines
Wed, Apr 29 - Mon, May 11

Lufthansa flights from Copenhagen to St. Louis

Our best Lufthansa deals on Copenhagen to St. Louis flight tickets
Lufthansa
Apr 17
CPH6:30 amKastrup Copenhagen
13h 55m
1 stop
STL1:25 pmLambert-St Louis
Apr 22
STL3:30 pmLambert-St Louis
15h 25m
1 stop
CPH1:55 pmKastrup Copenhagen
$570
Lufthansa
Apr 17
CPH6:30 amKastrup Copenhagen
13h 55m
1 stop
STL1:25 pmLambert-St Louis
Apr 22
STL1:10 pmLambert-St Louis
20h 15m
2 stops
CPH4:25 pmKastrup Copenhagen
$572
Lufthansa
Apr 17
CPH10:10 amKastrup Copenhagen
18h 03m
2 stops
STL9:13 pmLambert-St Louis
Apr 22
STL1:10 pmLambert-St Louis
20h 15m
2 stops
CPH4:25 pmKastrup Copenhagen
$581

Air Canada flights from Copenhagen to St. Louis

Our best Air Canada deals on Copenhagen to St. Louis flight tickets
Air Canada
May 1
CPH6:30 amKastrup Copenhagen
20h 55m
2 stops
STL8:25 pmLambert-St Louis
May 9
STL7:05 amLambert-St Louis
20h 45m
1 stop
CPH10:50 amKastrup Copenhagen
$629
Air Canada
May 1
CPH6:30 amKastrup Copenhagen
20h 55m
2 stops
STL8:25 pmLambert-St Louis
May 11
STL7:05 amLambert-St Louis
24h 05m
2 stops
CPH2:10 pmKastrup Copenhagen
$630
Air Canada
May 1
CPH6:30 amKastrup Copenhagen
20h 55m
2 stops
STL8:25 pmLambert-St Louis
May 12
STL7:05 amLambert-St Louis
21h 50m
2 stops
CPH11:55 amKastrup Copenhagen
$633

momondo Fare Finder

 
Customize your flight search to find flights from Copenhagen to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Copenhagen to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Wed 4/22

3:30 pm-1:55 pm

1 stop15h 25m

$570

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Wed 4/22

1:10 pm-4:25 pm

2 stops20h 15m

$572

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

10:10 am-9:13 pm

2 stops18h 03m

Lambert-St Louis

Wed 4/22

1:10 pm-4:25 pm

2 stops20h 15m

$581

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-1:25 pm

1 stop13h 55m

Lambert-St Louis

Tue 4/21

1:10 pm-4:35 pm

2 stops20h 25m

$603

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 4/17

6:30 am-7:22 pm

2 stops19h 52m

Lambert-St Louis

Tue 4/21

12:15 pm-11:55 am

2 stops16h 40m

$609

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 4/29

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Mon 5/11

3:20 pm-2:10 pm

2 stops15h 50m

$621

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 4/29

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Sat 5/9

9:00 am-9:15 am

2 stops17h 15m

$623

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 5/1

6:30 am-8:25 pm

2 stops20h 55m

Lambert-St Louis

Mon 5/11

3:20 pm-2:10 pm

2 stops15h 50m

$624

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 4/29

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Fri 5/8

7:45 am-9:15 am

2 stops18h 30m

$625
Quickest round-trip

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 4/29

6:20 am-1:25 pm

1 stop14h 05m

Lambert-St Louis

Mon 5/11

2:20 pm-10:50 am

1 stop13h 30m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Copenhagen to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Copenhagen and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, April is the cheapest month to fly from Copenhagen to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $532. The month of November is another great option to travel to St. Louis, with average flight prices from Copenhagen averaging around $540.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $621 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Copenhagen for as low as $517 on momondo.

Can stopping save me money on Copenhagen to St. Louis flights?

You could potentially save up to 31% on your flight if you consider stops on a Copenhagen to St. Louis flight.

How have Copenhagen to St. Louis flight prices changed over time?

When to book flights from Copenhagen to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Copenhagen to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Copenhagen to St. Louis (CPH to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Copenhagen to St. Louis

Fastest flight time

13h 55m

Direct flights

None
The fastest flight from Copenhagen to St. Louis takes 13h 55m
There are no direct flights from Copenhagen to St. Louis. There are no popular flight routes from Copenhagen to St. Louis.
Search flight deals

  • How far is Kastrup Copenhagen to Lambert-St Louis by plane?

    There are 4507.7 mi between Kastrup Copenhagen and Lambert-St Louis. Typically, this will take 13h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Kastrup Copenhagen Airport to Lambert-St Louis Airport?

    Prices for flights from Kastrup Copenhagen Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Kastrup Copenhagen Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Kastrup Copenhagen Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kastrup Copenhagen Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Copenhagen to St. Louis?

Best airlines flying from Copenhagen to St. Louis

Compare and see reviews for airlines that fly from Copenhagen to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $528Free CancellationRating
7.4
9,439 reviews
Search United Airlines flights
LufthansaPriceFrom $594Free CancellationRating
6.8
7,856 reviews
Search Lufthansa flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
Alton
St. Peters
Wentzville
Fenton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Copenhagen to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Copenhagen to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Copenhagen to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Copenhagen on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Copenhagen to St. Louis?

Once all potential Copenhagen to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Copenhagen to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Copenhagen to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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