$652+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — STL
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Copenhagen to St. Louis with Cheapflights
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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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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 September 2, 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 September 2, 2026.
This ResecentrumGruppen deal was found by Cheapflights users on 8/31. 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.
Wed 11/187:15 am -
1 stop13h 30m
Sat 11/211:00 pm -
2 stops16h 00m
Deal found 8/31![Lufthansa logo]()
$652
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/1312:25 pm -
2 stops18h 54m
Tue 10/209:35 pm -
1 stop14h 40m
Deal found 8/28![American Airlines logo]()
$660
This Finnair deal was found by Cheapflights users on 8/31. 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.
Thu 10/157:45 am -
2 stops20h 12m
Sun 10/189:40 pm -
1 stop18h 00m
Deal found 8/31![Multiple Airlines logo]()
$663
This Finnair deal was found by Cheapflights users on 8/29. 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.
Mon 9/217:25 pm -
2 stops30h 42m
Mon 9/285:18 pm -
2 stops22h 52m
Deal found 8/29![Finnair logo]()
$664
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 10/110:50 am -
2 stops18h 52m
Mon 10/53:20 pm -
2 stops21h 35m
Deal found 8/30![American Airlines logo]()
$666
This Flightnetwork deal was found by Cheapflights users on 9/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:05 am -
2 stops36h 21m
Sat 11/214:05 pm -
2 stops33h 55m
Deal found 9/1![Air Canada logo]()
$670
This Finnair deal was found by Cheapflights users on 8/29. 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.
Wed 9/238:50 am -
2 stops17h 17m
Tue 9/295:18 pm -
2 stops22h 52m
Deal found 8/29![Finnair logo]()
$675
This British Airways deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:05 am -
2 stops20h 39m
Mon 10/54:21 pm -
2 stops23h 54m
Deal found 9/1![British Airways logo]()
$676
This Gotogate deal was found by Cheapflights users on 8/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop14h 05m
Tue 9/293:30 pm -
1 stop15h 25m
Deal found 8/28![Lufthansa logo]()
$679
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 September 2, 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 September 2, 2026.
This Finnair deal was found by Cheapflights users on 8/29. 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.
Mon 9/217:25 pm -
2 stops30h 42m
Mon 9/285:18 pm -
2 stops22h 52m
Deal found 8/29![Finnair logo]()
$664
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 10/110:50 am -
2 stops18h 52m
Mon 10/53:20 pm -
2 stops21h 35m
Deal found 8/30![American Airlines logo]()
$666
This British Airways deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:05 am -
2 stops20h 39m
Mon 10/54:21 pm -
2 stops23h 54m
Deal found 9/1![British Airways logo]()
$676
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:40 am -
1 stop13h 45m
Mon 9/283:30 pm -
1 stop13h 05m
Deal found 8/30![Lufthansa logo]()
$680
This Flightnetwork deal was found by Cheapflights users on 9/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:15 pm -
1 stop30h 30m
Sat 11/214:05 pm -
1 stop11h 15m
Deal found 9/1![Multiple Airlines logo]()
$689
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/16:10 am -
2 stops19h 51m
Mon 10/53:30 pm -
1 stop15h 30m
Deal found 9/1![United Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Mon 9/218:50 am -
2 stops17h 17m
Mon 9/285:18 pm -
2 stops16h 32m
Deal found 8/30![American Airlines logo]()
$666
This British Airways deal was found by Cheapflights users on 8/29. 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.
Wed 9/237:45 am -
2 stops18h 22m
Tue 9/299:35 pm -
1 stop14h 40m
Deal found 8/29![Multiple Airlines logo]()
$690
Last-minute flights from Copenhagen to St. LouisDiscover last-minute flight deals from Copenhagen to St. Louis. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to St. Louis. Data last updated September 2, 2026 and is based on user searches.
This Finnair deal was found by Cheapflights users on 8/29. 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.
Mon 9/217:25 pm -
2 stops30h 42m
Mon 9/285:18 pm -
2 stops22h 52m
Deal found 8/29![Finnair logo]()
$664
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:40 am -
1 stop13h 45m
Mon 9/283:30 pm -
1 stop13h 05m
Deal found 8/30![Lufthansa logo]()
$680
This Finnair deal was found by Cheapflights users on 8/29. 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.
Wed 9/238:50 am -
2 stops17h 17m
Tue 9/295:18 pm -
2 stops22h 52m
Deal found 8/29![Finnair logo]()
$675
This Gotogate deal was found by Cheapflights users on 8/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop14h 05m
Tue 9/293:30 pm -
1 stop15h 25m
Deal found 8/28![Lufthansa logo]()
$679
This British Airways deal was found by Cheapflights users on 8/29. 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.
Wed 9/237:45 am -
2 stops18h 22m
Tue 9/299:35 pm -
1 stop14h 40m
Deal found 8/29![Multiple Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Thu 10/110:50 am -
2 stops18h 52m
Mon 10/53:20 pm -
2 stops21h 35m
Deal found 8/30![American Airlines logo]()
$666
This British Airways deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:05 am -
2 stops20h 39m
Mon 10/54:21 pm -
2 stops23h 54m
Deal found 9/1![British Airways logo]()
$676
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/1312:25 pm -
2 stops18h 54m
Tue 10/209:35 pm -
1 stop14h 40m
Deal found 8/28![American Airlines logo]()
$660
This Finnair deal was found by Cheapflights users on 8/31. 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.
Thu 10/157:45 am -
2 stops20h 12m
Sun 10/189:40 pm -
1 stop18h 00m
Deal found 8/31![Multiple Airlines logo]()
$663
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 September 2, 2026.
Search for one-way flight options from Copenhagen to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This deal was found by Cheapflights users on 8/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:45 pm -
1 stop14h 35m
Deal found 8/30![Air Canada logo]()
$1,622
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 September 2, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $652 (ResecentrumGruppen) |
Popular in | June |
Cheapest in | February |
Average price | $648 |
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 7,457,451 searches. Data last updated September 2, 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
Cheapest round-trip
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Mon 9/21
7:25 pm-7:07 pm
2 stops30h 42m
Lambert-St Louis
Mon 9/28
5:18 pm-11:10 pm
2 stops22h 52m
$664
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Thu 10/1
10:50 am-10:42 pm
2 stops18h 52m
Lambert-St Louis
Mon 10/5
3:20 pm-7:55 pm
2 stops21h 35m
$666
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Mon 9/21
8:50 am-7:07 pm
2 stops17h 17m
Lambert-St Louis
Mon 9/28
5:18 pm-4:50 pm
2 stops16h 32m
$666
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Thu 10/1
7:05 am-8:44 pm
2 stops20h 39m
Lambert-St Louis
Mon 10/5
4:21 pm-11:15 pm
2 stops23h 54m
$676
Quickest round-trip
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Mon 9/21
6:40 am-1:25 pm
1 stop13h 45m
Lambert-St Louis
Mon 9/28
3:30 pm-11:35 am
1 stop13h 05m
$680
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Tue 11/17
2:15 pm-1:45 pm
1 stop30h 30m
Lambert-St Louis
Sat 11/21
4:05 pm-10:20 am
1 stop11h 15m
$689
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Wed 9/23
7:45 am-7:07 pm
2 stops18h 22m
Lambert-St Louis
Tue 9/29
9:35 pm-7:15 pm
1 stop14h 40m
$690
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Thu 10/1
6:10 am-7:01 pm
2 stops19h 51m
Lambert-St Louis
Mon 10/5
3:30 pm-2:00 pm
1 stop15h 30m
$698
Cheapest one-way
Quickest one-way
CopenhagenSt. Louis
CPH Kastrup Copenhagen - STL Lambert-St Louis
CPHSTL
Kastrup Copenhagen
Thu 9/10
12:45 pm-8:20 pm
1 stop14h 35m
$1,622
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Copenhagen-St. Louis flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Copenhagen-St. Louis flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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?
Booking 81 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 $616). Flying from Copenhagen to St. Louis in June is currently the most expensive (average of $841). 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?
Airfare is typical for this route at the moment.
Copenhagen to St. Louis flights typically cost between $519 and $675 in November.The cheapest round-trip price found within the last 5 days was $652 on Lufthansa (Nov 18-Nov 21).
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 September 2, 2026.
See what other customers who have flown with United Airlines and Lufthansa 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.
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
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Copenhagen and St. Louis flights
Browse other Copenhagen and St. Louis flight options. Last updated on September 2, 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 September 2, 2026.
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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 September 2, 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$542 | Average$623 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$594 | Average$595 | FlexibilityNo cancel fee | On-time76% |