$486+ Cheap flights from Copenhagen (CPH) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Copenhagen to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Kastrup Copenhagen to Lambert-St Louis are usually found in April or September, booked 49 days in advance, depart on a Saturday or Thursday and return on a Tuesday
Cheap flight deals from Copenhagen to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.
Round-trip from | $486 (American Airlines) |
|---|---|
Popular in | December |
Cheapest in | April |
Average price | $602 |
Find flight deals from Copenhagen to St. Louis
Cheapest flights from Copenhagen to St. LouisExplore the most affordable flight options available from Copenhagen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
Explore the most affordable flight options available from Copenhagen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This ResecentrumGruppen deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flightsearch deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This ResecentrumGruppen deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ticket deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flightsearch deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
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
mar. 11/25
10:30 am-8:00 pm
2 stops16h 30m
Lambert-St Louis
vie. 1/9
11:58 am-11:25 am
2 stops16h 27m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
jue. 6/26
9:00 am-8:40 pm
2 stops18h 40m
Lambert-St Louis
sáb. 7/5
6:40 am-6:30 am
2 stops16h 50m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
mié. 11/26
6:45 am-1:55 pm
1 stop14h 10m
Lambert-St Louis
mar. 12/9
1:27 pm-12:35 pm
2 stops16h 08m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
mié. 11/26
6:45 am-1:55 pm
1 stop14h 10m
Lambert-St Louis
jue. 12/11
4:15 pm-2:00 pm
2 stops14h 45m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
vie. 9/26
9:00 am-4:00 pm
1 stop14h 00m
Lambert-St Louis
sáb. 10/11
5:40 pm-4:50 pm
2 stops16h 10m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
vie. 9/26
7:25 pm-6:27 pm
2 stops30h 02m
Lambert-St Louis
lun. 10/13
1:54 pm-4:55 pm
2 stops20h 01m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
mié. 11/26
6:45 am-3:26 pm
2 stops15h 41m
Lambert-St Louis
mié. 12/31
3:15 pm-2:00 pm
2 stops15h 45m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
jue. 9/25
7:05 am-8:25 pm
2 stops20h 20m
Lambert-St Louis
sáb. 10/11
1:22 pm-12:35 pm
2 stops16h 13m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
jue. 9/25
12:35 pm-7:38 pm
1 stop14h 03m
Lambert-St Louis
mié. 10/8
4:05 pm-10:50 am
1 stop11h 45m
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
vie. 6/27
7:35 pm-8:30 pm
2 stops31h 55m
Lambert-St Louis
sáb. 7/5
7:00 am-8:35 am
2 stops18h 35m
Best time to book a flight from Copenhagen to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Copenhagen with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Copenhagen to St. Louis
How far ahead should I book a flight from Copenhagen to St. Louis?
Use this chart to determine the optimal time to book a round-trip flight from Copenhagen to St. Louis. Price data was last updated on June 9, 2025.
Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Copenhagen to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Copenhagen to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Copenhagen to St. Louis (average of $311). Flying from Copenhagen to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CPH to STL?
Find hourly flight availability from Copenhagen to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.
It’s optimal to fly from Copenhagen to St. Louis in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated junio 12, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Copenhagen to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Copenhagen to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Copenhagen to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Copenhagen to St. Louis
Discover the top 3 airlines that operate flights from Copenhagen to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$582 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$482 | Average$594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$600 | FlexibilityNo cancel fee | On-time71% |