CPH - STL

$651 Find Cheap Flights from Copenhagen to St. Louis - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$651
Typical prices: $587-$774
Lufthansa
Tue 10/16Sat 10/20
CPH - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Copenhagen and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 9% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $645 (round-trip)
Philadelphia (PHL)
Shortest trip • 12h 49m (one-way)
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Insights
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We hope you love your trip to St. Louis!
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Booking Insights
Flight Deals

Cheap Flights from Copenhagen to St. Louis (CPH-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Copenhagen to St. Louis

Fri, Oct 16 - Tue, Oct 20
Lufthansa Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
12:20 pm - 11:55 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
16h 35m2 stops Newark Munich Franz Josef Strauss
$651Lufthansa
Fri, Oct 16 - Tue, Oct 20
Lufthansa Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
3:30 pm - 11:35 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
13h 05m1 stop Frankfurt am Main
$652Lufthansa
Fri, Oct 16 - Tue, Oct 20
Lufthansa Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
3:30 pm - 11:35 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
13h 05m1 stop Frankfurt am Main
$662Lufthansa
Fri, Oct 16 - Tue, Oct 20
Lufthansa Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
12:20 pm - 11:55 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
16h 35m2 stops Newark Munich Franz Josef Strauss
$664Lufthansa
Wed, Oct 14 - Wed, Oct 28
American Airlines Logo
8:50 am - 8:57 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
19h 07m2 stops Helsinki-Vantaa Chicago O'Hare Intl
American Airlines Logo
5:27 pm - 5:25 pmSTL  Lambert-St Louis-CPH Kastrup Copenhagen
17h 58m2 stops Chicago O'Hare Intl London Heathrow
$670American Airlines
Fri, Oct 23 - Mon, Oct 26
American Airlines Logo
7:25 am - 8:57 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
20h 32m2 stops London Heathrow Chicago O'Hare Intl
American Airlines Logo
12:46 pm - 11:35 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
16h 49m2 stops Dallas/Fort Worth London Heathrow
$672American Airlines
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
Multiple Airlines Logo
1:09 pm - 11:05 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
14h 56m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National
$673Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
6:30 am - 1:25 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
United Airlines Logo
3:30 pm - 11:35 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
13h 05m1 stop Frankfurt am Main
$693United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
6:10 am - 2:17 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
15h 07m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
1:29 pm - 11:55 amSTL  Lambert-St Louis-CPH Kastrup Copenhagen
15h 26m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
$697United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
6:10 am - 2:17 pmCPH  Kastrup Copenhagen-STL Lambert-St Louis
15h 07m2 stops Frankfurt am Main Chicago O'Hare Intl
United Airlines Logo
3:30 pm - 6:05 pmSTL  Lambert-St Louis-CPH Kastrup Copenhagen
19h 35m1 stop Frankfurt am Main
$698United Airlines
Booking Insights

Price, demand and travel trends for Copenhagen to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Copenhagen to St. Louis with more confidence.

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

Round-trip flights from Copenhagen to St. Louis start at $651. Prices are typical for this route right now, with typical round-trip fares ranging from $587 to $774. The lowest price found in the past 5 days was $651 on Lufthansa.

What's the cheapest day of the week to fly from Copenhagen to St. Louis?

Saturday is the cheapest day of the week to fly from Copenhagen to St. Louis, it is 13% cheaper than the average day. Tuesday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Copenhagen to St. Louis at $616 round-trip.
  • June ($841) and August ($760) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 36% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Copenhagen to St. Louis the cheapest?

Flights from Copenhagen to St. Louis are cheapest 17 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Copenhagen to St. Louis flights

Low season

March
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 5% lower on average.

When to book flights from Copenhagen to St. Louis

Are your dates flexible? Find out the best times to travel from Copenhagen to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Copenhagen to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Copenhagen to St. Louis?

    Flights from Copenhagen to St. Louis usually depart from Kastrup Copenhagen (CPH) and arrive at Lambert-St Louis (STL).

  • What cabin classes can I book on flights from Copenhagen to St. Louis?

    Two cabin classes are available on flights from Copenhagen to St. Louis:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Copenhagen to St. Louis pass through?

    One-stop flights from Copenhagen to St. Louis most commonly connect through:

    • Frankfurt am Main (FRA) - 45% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 22% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
    • Philadelphia (PHL) - 9% of one-stop connections

    Frankfurt am Main (FRA) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Copenhagen to St. Louis?

    On the Copenhagen to St. Louis route, being flexible with your departure day can save you up to 22%. Saturday is the cheapest day at $593 round-trip on average, while Tuesday is the most expensive at $751: a $158 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

  • How expensive are last-minute Copenhagen to St. Louis flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 13% above the route average of $678. Book 17 weeks before departure for the lowest fares.

  • How long is a flight from Copenhagen to St. Louis?

    A nonstop flight from Copenhagen to St. Louis takes 0h 00m, covering 4,511 miles.

  • Do I need a passport to fly from Copenhagen to St. Louis?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much time can I save by choosing a different layover airport from Copenhagen to St. Louis?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 12h 49m, compared with 13h 11m via Toronto Pearson Intl (YYZ) and 13h 21m via Montreal Pierre Elliott Trudeau Intl (YUL).

  • What is the time difference between Copenhagen and St. Louis?

    St. Louis is 7 hours behind Copenhagen (Central Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Copenhagen to St. Louis flight?

    Round-trip flights from Copenhagen to St. Louis range from $587 to $774, with an average of $678 over the past 12 months. Anything below $587 counts as a good deal.

Your guide to booking Copenhagen to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Tuesday. On this route, Saturday flights average $593 - about $158 less than Tuesday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Copenhagen to St. Louis trip for February. Fares historically average $616 round-trip in that month - typically $225 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

More options for your flight from Copenhagen to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis