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Cheap flights from Copenhagen to St. Louis from $348

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 5/29. 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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Find the cheapest flights from Copenhagen to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:50 am - 10:14 pm
CPH
-
STL
18h 24m
2 stops
American Airlines Logo
7:40 pm - 8:50 pm
STL
-
CPH
18h 10m
2 stops
$530American Airlines
Thu, Apr 9 - Mon, Apr 13
American Airlines Logo
7:05 am - 6:27 pm
CPH
-
STL
18h 22m
2 stops
American Airlines Logo
4:46 pm - 4:50 pm
STL
-
CPH
17h 04m
2 stops
$533American Airlines
Thu, Apr 9 - Mon, Apr 13
Finnair Logo
7:30 pm - 7:30 pm
CPH
-
STL
31h 00m
2 stops
Finnair Logo
12:27 pm - 4:15 pm
STL
-
CPH
20h 48m
2 stops
$534Finnair
Sun, Apr 26 - Sun, May 3
American Airlines Logo
7:05 am - 10:24 pm
CPH
-
STL
22h 19m
2 stops
American Airlines Logo
2:29 pm - 8:50 pm
STL
-
CPH
23h 21m
2 stops
$535American Airlines
Thu, Apr 9 - Mon, Apr 13
British Airways Logo
7:00 am - 7:30 pm
CPH
-
STL
19h 30m
1 stop
British Airways Logo
6:54 pm - 5:20 pm
STL
-
CPH
15h 26m
2 stops
$538British Airways
Sun, Apr 26 - Sun, May 3
British Airways Logo
10:20 am - 7:30 pm
CPH
-
STL
16h 10m
1 stop
British Airways Logo
6:54 pm - 5:20 pm
STL
-
CPH
15h 26m
2 stops
$539British Airways
Sun, Apr 26 - Sun, May 3
British Airways Logo
7:00 am - 6:27 pm
CPH
-
STL
18h 27m
2 stops
British Airways Logo
6:54 pm - 5:20 pm
STL
-
CPH
15h 26m
2 stops
$548British Airways
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
7:00 am - 7:30 pm
CPH
-
STL
19h 30m
1 stop
Multiple Airlines Logo
9:40 pm - 3:55 pm
STL
-
CPH
11h 15m
1 stop
$566Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
7:00 am - 7:30 pm
CPH
-
STL
19h 30m
1 stop
Multiple Airlines Logo
9:40 pm - 5:20 pm
STL
-
CPH
12h 40m
1 stop
$567Multiple Airlines
Sun, Apr 26 - Sun, May 3
United Airlines Logo
2:20 pm - 11:59 pm
CPH
-
STL
16h 39m
2 stops
United Airlines Logo
7:41 am - 1:45 pm
STL
-
CPH
23h 04m
2 stops
$585United Airlines
Thu, Feb 26 - Thu, Mar 5

British Airways flights from Copenhagen to St. Louis

Our best British Airways deals on Copenhagen to St. Louis flight tickets
British Airways
Apr 26
CPH7:00 amKastrup Copenhagen
19h 30m
1 stop
STL7:30 pmLambert-St Louis
May 3
STL6:54 pmLambert-St Louis
15h 26m
2 stops
CPH5:20 pmKastrup Copenhagen
$538
British Airways
Apr 26
CPH10:20 amKastrup Copenhagen
16h 10m
1 stop
STL7:30 pmLambert-St Louis
May 3
STL6:54 pmLambert-St Louis
15h 26m
2 stops
CPH5:20 pmKastrup Copenhagen
$539
British Airways
Apr 26
CPH7:00 amKastrup Copenhagen
18h 27m
2 stops
STL6:27 pmLambert-St Louis
May 3
STL6:54 pmLambert-St Louis
15h 26m
2 stops
CPH5:20 pmKastrup Copenhagen
$548

American Airlines flights from Copenhagen to St. Louis

Our best American Airlines deals on Copenhagen to St. Louis flight tickets
American Airlines
Apr 9
CPH10:50 amKastrup Copenhagen
18h 24m
2 stops
STL10:14 pmLambert-St Louis
Apr 13
STL7:40 pmLambert-St Louis
18h 10m
2 stops
CPH8:50 pmKastrup Copenhagen
$530
American Airlines
Apr 9
CPH7:05 amKastrup Copenhagen
18h 22m
2 stops
STL6:27 pmLambert-St Louis
Apr 13
STL4:46 pmLambert-St Louis
17h 04m
2 stops
CPH4:50 pmKastrup Copenhagen
$533
American Airlines
Apr 9
CPH7:05 amKastrup Copenhagen
22h 19m
2 stops
STL10:24 pmLambert-St Louis
Apr 13
STL2:29 pmLambert-St Louis
23h 21m
2 stops
CPH8:50 pmKastrup Copenhagen
$535

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 January 29, 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

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 4/9

10:50 am-10:14 pm

2 stops18h 24m

Lambert-St Louis

Mon 4/13

7:40 pm-8:50 pm

2 stops18h 10m

$530

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 4/9

7:05 am-6:27 pm

2 stops18h 22m

Lambert-St Louis

Mon 4/13

4:46 pm-4:50 pm

2 stops17h 04m

$533

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

7:30 pm-7:30 pm

2 stops31h 00m

Lambert-St Louis

Sun 5/3

12:27 pm-4:15 pm

2 stops20h 48m

$534

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 4/9

7:05 am-10:24 pm

2 stops22h 19m

Lambert-St Louis

Mon 4/13

2:29 pm-8:50 pm

2 stops23h 21m

$535

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

7:00 am-7:30 pm

1 stop19h 30m

Lambert-St Louis

Sun 5/3

6:54 pm-5:20 pm

2 stops15h 26m

$538

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

10:20 am-7:30 pm

1 stop16h 10m

Lambert-St Louis

Sun 5/3

6:54 pm-5:20 pm

2 stops15h 26m

$539

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

7:00 am-6:27 pm

2 stops18h 27m

Lambert-St Louis

Sun 5/3

6:54 pm-5:20 pm

2 stops15h 26m

$548

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

7:00 am-7:30 pm

1 stop19h 30m

Lambert-St Louis

Sun 5/3

9:40 pm-3:55 pm

1 stop11h 15m

$566

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 4/26

7:00 am-7:30 pm

1 stop19h 30m

Lambert-St Louis

Sun 5/3

9:40 pm-5:20 pm

1 stop12h 40m

$567

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 2/26

2:20 pm-11:59 pm

2 stops16h 39m

Lambert-St Louis

Thu 3/5

7:41 am-1:45 pm

2 stops23h 04m

$585

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 $602 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 $502 on momondo.

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

You could potentially save up to 30% 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

16h 39m

Direct flights

None
The fastest flight from Copenhagen to St. Louis takes 16h 39m
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 16h 39m 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
9,215 reviews
Search United Airlines flights
Air CanadaPriceFrom $567Free CancellationRating
7.1
10,667 reviews
Search Air Canada 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
Maryland Heights
Florissant
O'Fallon
Collinsville
Fenton
St. Peters
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Glencoe
Litchfield
Shrewsbury

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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