$320+ Cheap flights from St. Louis (STL) to Copenhagen (CPH)
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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Copenhagen 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.Cheap flight deals from St. Louis to Copenhagen
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Best
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Cheapest flights from St. Louis to CopenhagenExplore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from St. Louis to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Expedia deal was found by Cheapflights users on 6/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:15 pm
STL
- CPH
1 stop11h 05m
Multiple Airlines
Tue 11/178:55 am
CPH
- STL
2 stops20h 34m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$756
This Expedia deal was found by Cheapflights users on 6/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:50 pm
STL
- CPH
2 stops17h 00m
British Airways
Wed 11/188:55 am
CPH
- STL
2 stops17h 35m
British Airways
Deal found 6/13![British Airways logo]()
$769
This Expedia deal was found by Cheapflights users on 6/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:40 pm
STL
- CPH
2 stops38h 05m
Multiple Airlines
Tue 8/253:20 pm
CPH
- STL
1 stop15h 14m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$778
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:15 pm
STL
- CPH
2 stops38h 15m
Air Canada
Wed 11/411:35 am
CPH
- STL
2 stops33h 43m
Air Canada
Deal found 6/14![Air Canada logo]()
$782
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:15 pm
STL
- CPH
2 stops38h 15m
United Airlines
Wed 11/47:10 am
CPH
- STL
1 stop13h 35m
United Airlines
Deal found 6/10![United Airlines logo]()
$793
This Gotogate deal was found by Cheapflights users on 6/13. 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 11/94:15 pm
STL
- CPH
2 stops14h 55m
Multiple Airlines
Wed 11/1811:35 am
CPH
- STL
1 stop34h 55m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 11/910:23 am
STL
- CPH
2 stops18h 02m
United Airlines
Wed 11/1811:35 am
CPH
- STL
2 stops31h 45m
United Airlines
Deal found 6/14![United Airlines logo]()
$816
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:00 pm
STL
- CPH
2 stops20h 35m
Lufthansa
Wed 11/187:10 am
CPH
- STL
1 stop13h 35m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$821
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.
Tue 12/84:15 pm
STL
- CPH
1 stop11h 05m
United Airlines
Fri 12/117:10 am
CPH
- STL
1 stop13h 35m
United Airlines
Deal found 6/11![United Airlines logo]()
$824
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 11/116:45 pm
STL
- CPH
2 stops15h 35m
American Airlines
Tue 11/178:55 am
CPH
- STL
2 stops17h 35m
American Airlines
Deal found 6/13![American Airlines logo]()
$830
Best flights from St. Louis to CopenhagenDiscover carefully curated flight deals from St. Louis to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from St. Louis to Copenhagen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/14:15 pm
STL
- CPH
2 stops38h 15m
United Airlines
Wed 11/47:10 am
CPH
- STL
1 stop13h 35m
United Airlines
Deal found 6/14![United Airlines logo]()
$793
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:22 am
STL
- CPH
1 stop17h 13m
British Airways
Tue 9/158:50 am
CPH
- STL
2 stops18h 54m
British Airways
Deal found 6/11![British Airways logo]()
$909
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.
Thu 9/106:45 am
STL
- CPH
2 stops17h 00m
Delta
Wed 9/309:00 am
CPH
- STL
2 stops21h 36m
Delta
Deal found 6/12![Delta logo]()
$917
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 9/142:40 pm
STL
- CPH
1 stop13h 10m
United Airlines
Mon 9/219:40 am
CPH
- STL
2 stops36h 58m
United Airlines
Deal found 6/14![United Airlines logo]()
$903
Last-minute flights from St. Louis to CopenhagenDiscover last-minute flight deals from St. Louis to Copenhagen. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Copenhagen. Data last updated June 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 7/182:00 pm
STL
- CPH
1 stop33h 45m
Delta
Fri 8/79:00 am
CPH
- STL
1 stop18h 31m
Delta
Deal found 6/14![Delta logo]()
$971
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 7/182:00 pm
STL
- CPH
1 stop33h 45m
Delta
Tue 8/119:00 am
CPH
- STL
2 stops21h 26m
Delta
Deal found 6/14![Delta logo]()
$976
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:05 pm
STL
- CPH
2 stops30h 50m
Air Canada
Tue 8/1112:45 pm
CPH
- STL
2 stops33h 53m
Air Canada
Deal found 6/14![Air Canada logo]()
$997
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/199:26 am
STL
- CPH
1 stop14h 19m
Delta
Tue 8/119:00 am
CPH
- STL
1 stop18h 31m
Delta
Deal found 6/14![Delta logo]()
$966
This Priceline deal was found by Cheapflights users on 6/14. 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.
Sun 7/199:40 pm
STL
- CPH
1 stop18h 00m
British Airways
Sun 8/93:20 pm
CPH
- STL
1 stop15h 14m
British Airways
Deal found 6/14![British Airways logo]()
$967
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:15 am
STL
- CPH
1 stop17h 20m
British Airways
Wed 7/293:20 pm
CPH
- STL
1 stop15h 12m
British Airways
Deal found 6/11![British Airways logo]()
$958
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:36 pm
STL
- CPH
2 stops16h 29m
Delta
Wed 7/299:00 am
CPH
- STL
2 stops18h 37m
Delta
Deal found 6/11![Delta logo]()
$974
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/2112:10 pm
STL
- CPH
1 stop13h 45m
United Airlines
Wed 7/2912:15 pm
CPH
- STL
2 stops30h 56m
United Airlines
Deal found 6/14![United Airlines logo]()
$982
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:48 pm
STL
- CPH
1 stop10h 47m
American Airlines
Wed 7/297:20 am
CPH
- STL
2 stops19h 01m
American Airlines
Deal found 6/12![American Airlines logo]()
$984
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/261:26 pm
STL
- CPH
2 stops20h 54m
British Airways
Sun 8/23:20 pm
CPH
- STL
1 stop15h 12m
British Airways
Deal found 6/11![British Airways logo]()
$1,004
One-way flights from St. Louis to CopenhagenSearch for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 7/126:34 pm
STL
- CPH
3 stops35h 31m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 9/2610:35 am
STL
- CPH
3 stops43h 20m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$344
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:10 pm
STL
- CPH
3 stops59h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$379
This Ticket deal was found by Cheapflights users on 6/14. 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.
Sun 7/125:36 pm
STL
- CPH
1 stop11h 09m
Virgin Atlantic
Deal found 6/14![Virgin Atlantic logo]()
$380
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:00 pm
STL
- CPH
2 stops20h 15m
British Airways
Deal found 6/11![British Airways logo]()
$421
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:42 pm
STL
- CPH
1 stop10h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$437
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:05 pm
STL
- CPH
2 stops54h 50m
Air Canada
Deal found 6/13![Air Canada logo]()
$452
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
STL
- CPH
3 stops28h 05m
United Airlines
Deal found 6/10![United Airlines logo]()
$457
Find flight deals from St. Louis to Copenhagen
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Copenhagen (CPH). 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $756 (Expedia) |
One-way from | $320 (Kiwi.com) |
Popular in | April |
Cheapest in | February |
Average price | $998 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Copenhagen 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 June 15, 2026.
Use the filters below to find and compare flights from St. Louis to Copenhagen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 11/1
4:15 pm-1:30 pm
2 stops38h 15m
Kastrup Copenhagen
Wed 11/4
7:10 am-1:45 pm
1 stop13h 35m
$793
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 9/14
2:40 pm-10:50 am
1 stop13h 10m
Kastrup Copenhagen
Mon 9/21
9:40 am-3:38 pm
2 stops36h 58m
$903
Quickest round-trip
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 8/31
11:22 am-11:35 am
1 stop17h 13m
Kastrup Copenhagen
Tue 9/15
8:50 am-8:44 pm
2 stops18h 54m
$909
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Thu 9/10
6:45 am-6:45 am
2 stops17h 00m
Kastrup Copenhagen
Wed 9/30
9:00 am-11:36 pm
2 stops21h 36m
$917
Cheapest one-way
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 7/12
6:34 pm-1:05 pm
3 stops35h 31m
$320
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sat 7/18
4:09 pm-10:00 pm
2 stops46h 51m
$382
Quickest one-way
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 8/17
8:00 pm-11:15 pm
2 stops20h 15m
$421
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 8/17
7:00 am-6:05 pm
3 stops28h 05m
$457
Sorted by cheapest first
Compare providers for flights from St. Louis to Copenhagen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Copenhagen in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Copenhagen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Copenhagen 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 St. Louis-Copenhagen 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 St. Louis to Copenhagen
Have a flexible travel schedule? Discover the best time to fly to Copenhagen from St. Louis with our price prediction graph.
STL-CPH
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 St. Louis to Copenhagen
Prices
More
What is the cheapest month to book a flight from St. Louis to Copenhagen?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Copenhagen (average of $523). Flying from St. Louis to Copenhagen in April is currently the most expensive (average of $1,026). 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 St. Louis to Copenhagen?
What’s the top layover airport for flights from St. Louis to Copenhagen?
Share of 1-stop round-trip flights from St. Louis to Copenhagen chosen by Cheapflights users in the past 12 months, using the same layover each way.
Philadelphia (PHL) – chosen by Cheapflights users on 67% of 1-stop itineraries from St. Louis to Copenhagen on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Copenhagen?
Average round-trip fare for 1-stop flights from St. Louis to Copenhagen, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $754.
What’s the fastest layover option from St. Louis to Copenhagen?
Shortest average travel time for 1-stop one-way flights from St. Louis to Copenhagen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Philadelphia (PHL) have the shortest average one-way travel time for 1-stop routes: 11h 06m.
Which airport typically offers the quickest layover for flights from St. Louis to Copenhagen?
Average layover duration for 1-stop one-way flights from St. Louis to Copenhagen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Philadelphia (PHL) offer the fastest connection on this route, with an average layover time of 1h 51m.
Reviews of airlines servicing Copenhagen
Get insights into the airlines that provide service to Copenhagen. 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 Copenhagen. Reviews last updated June 15, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to Copenhagen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Copenhagen. 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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Other flights to Copenhagen
Explore flights to Copenhagen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
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St. Louis and Copenhagen flights
Browse other St. Louis and Copenhagen flight options. Last updated on June 15, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from St. Louis to Copenhagen
Discover the top 7 airlines that operate flights from St. Louis to Copenhagen. 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$523 | Average$795 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$592 | Average$900 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$643 | Average$811 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$655 | Average$1,023 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$684 | Average$924 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$690 | Average$983 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$761 | Average$950 | FlexibilityNo cancel fee | On-time67% |