$349+ Cheap flights from Copenhagen (CPH) to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — STL
Mar 7 — Mar 141
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Copenhagen to St. Louis
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Best
Last-minute
One-way
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 February 5, 2026.
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 February 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
Lufthansa
Sun 5/33:30 pm
STL
- CPH
1 stop19h 35m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$574
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 4/910:10 am
CPH
- STL
2 stops31h 18m
United Airlines
Mon 4/139:10 am
STL
- CPH
2 stops22h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
United Airlines
Sun 5/37:45 am
STL
- CPH
2 stops18h 50m
United Airlines
Deal found 2/5![United Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/268:50 am
CPH
- STL
2 stops17h 40m
American Airlines
Sun 5/36:55 pm
STL
- CPH
2 stops15h 25m
American Airlines
Deal found 2/5![American Airlines logo]()
$585
Best flights from Copenhagen to St. LouisDiscover carefully curated flight deals from Copenhagen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Copenhagen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
Lufthansa
Sun 5/33:30 pm
STL
- CPH
1 stop19h 35m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$574
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 4/910:10 am
CPH
- STL
2 stops31h 18m
United Airlines
Mon 4/139:10 am
STL
- CPH
2 stops22h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sun 4/268:50 am
CPH
- STL
2 stops17h 40m
American Airlines
Sun 5/38:03 pm
STL
- CPH
2 stops17h 47m
American Airlines
Deal found 2/4![American Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
United Airlines
Sun 5/37:45 am
STL
- CPH
2 stops18h 50m
United Airlines
Deal found 2/5![United Airlines logo]()
$581
Last-minute flights from Copenhagen to St. LouisDiscover last-minute flight deals from Copenhagen to St. Louis. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to St. Louis. Data last updated February 5, 2026 and is based on user searches.
This ResecentrumGruppen deal was found by Cheapflights users on 2/5. 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.
Sun 3/16:50 am
CPH
- STL
1 stop14h 05m
Lufthansa
Sun 3/81:14 pm
STL
- CPH
2 stops17h 11m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$538
One-way flights from Copenhagen to St. LouisSearch for one-way flight options from Copenhagen to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Copenhagen to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Priceline deal was found by Cheapflights users on 2/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:50 am
CPH
- STL
2 stops16h 40m
Finnair
Deal found 2/3![Finnair logo]()
$349
This Finnair deal was found by Cheapflights users on 2/2. 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.
Fri 5/296:45 am
CPH
- STL
2 stops18h 45m
Finnair
Deal found 2/2![Finnair logo]()
$352
This Iberia deal was found by Cheapflights users on 2/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:20 pm
CPH
- STL
1 stop13h 08m
Iberia
Deal found 2/2![Iberia logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 5/248:50 am
CPH
- STL
2 stops16h 40m
American Airlines
Deal found 2/2![American Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 6/23:20 pm
CPH
- STL
1 stop26h 19m
American Airlines
Deal found 2/3![American Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 5/233:20 pm
CPH
- STL
1 stop13h 08m
American Airlines
Deal found 2/2![American Airlines logo]()
$383
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:20 pm
CPH
- STL
2 stops15h 22m
British Airways
Deal found 2/2![British Airways logo]()
$403
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:20 am
CPH
- STL
2 stops18h 14m
British Airways
Deal found 2/3![British Airways logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:10 pm
CPH
- STL
3 stops29h 04m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:00 am
CPH
- STL
3 stops23h 57m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:15 pm
CPH
- STL
3 stops41h 11m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$577
Find 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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $574 (Cheapflightsfares) |
One-way from | $349 (Priceline) |
Popular in | July |
Cheapest in | April |
Average price | $549 |
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 February 5, 2026.
Use the filters below to find and compare flights from Copenhagen to St. Louis that are best for you.
Fly from
Copenhagen
Fly to
St. Louis
Route
Depart
Return
Price
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 4/26
6:20 am-1:25 pm
1 stop14h 05m
Lambert-St Louis
Sun 5/3
3:30 pm-6:05 pm
1 stop19h 35m
$574
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Thu 4/9
10:10 am-10:28 am
2 stops31h 18m
Lambert-St Louis
Mon 4/13
9:10 am-2:10 pm
2 stops22h 00m
$578
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 4/26
6:20 am-1:25 pm
1 stop14h 05m
Lambert-St Louis
Sun 5/3
7:45 am-9:35 am
2 stops18h 50m
$581
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 4/26
8:50 am-7:30 pm
2 stops17h 40m
Lambert-St Louis
Sun 5/3
8:03 pm-8:50 pm
2 stops17h 47m
$584
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Tue 6/2
8:50 am-6:30 pm
2 stops16h 40m
$349
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Fri 5/29
6:45 am-6:30 pm
2 stops18h 45m
$352
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Fri 5/29
3:20 pm-9:28 pm
1 stop13h 08m
$356
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 5/24
8:50 am-6:30 pm
2 stops16h 40m
$358
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Tue 6/2
3:20 pm-10:39 am
1 stop26h 19m
$362
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Mon 5/25
3:20 pm-9:28 pm
1 stop13h 08m
$383
Showing 1-10 of 15 results
- Most accurate provider: When it comes to deals on Copenhagen-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Copenhagen-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Copenhagen-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Copenhagen-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Copenhagen-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
CPH-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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 January 30, 2026.
Booking 82 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, February is the cheapest month in which you can book a flight from Copenhagen to St. Louis (average of $419). Flying from Copenhagen to St. Louis in July is currently the most expensive (average of $515). 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.
How much does it cost to fly round-trip from Copenhagen to St. Louis?
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 February 5, 2026.
See what other customers who have flown with United Airlines and Air Canada from Copenhagen to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Copenhagen to St. Louis
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Copenhagen and St. Louis flights
Browse other Copenhagen and St. Louis flight options. Last updated on February 5, 2026.
Other flights from Copenhagen
Browse through other flights departing from Copenhagen. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Top 2 airlines flying from Copenhagen to St. Louis
Discover the top 2 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$528 | Average$594 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$567 | Average$588 | FlexibilityNo cancel fee | On-time67% |