$383+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Aug 29 — Sep 51
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
Cheapest
Best
Last-minute
One-way
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 July 30, 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 July 30, 2026.
This Expedia deal was found by Cheapflights users on 7/26. 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.
Tue 11/34:05 pm
STL
- CPH
1 stop11h 00m
Multiple Airlines
Mon 11/98:55 am
CPH
- STL
2 stops20h 04m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$775
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:05 pm
STL
- CPH
2 stops15h 05m
Air Canada
Wed 12/911:35 am
CPH
- STL
2 stops31h 31m
Air Canada
Deal found 7/28![Air Canada logo]()
$789
This Expedia deal was found by Cheapflights users on 7/26. 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.
Tue 11/35:31 pm
STL
- CPH
2 stops16h 24m
British Airways
Mon 11/98:55 am
CPH
- STL
2 stops20h 04m
British Airways
Deal found 7/26![British Airways logo]()
$794
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:50 pm
STL
- CPH
2 stops15h 45m
Lufthansa
Wed 11/187:15 am
CPH
- STL
1 stop13h 30m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$801
This United Airlines deal was found by Cheapflights users on 7/27. 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 12/78:25 am
STL
- CPH
2 stops20h 00m
United Airlines
Wed 12/98:55 am
CPH
- STL
2 stops37h 31m
United Airlines
Deal found 7/27![United Airlines logo]()
$804
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:50 pm
STL
- CPH
2 stops21h 20m
Lufthansa
Sat 11/147:15 am
CPH
- STL
2 stops21h 37m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$871
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 July 30, 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 July 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:50 pm
STL
- CPH
2 stops21h 20m
Lufthansa
Sat 11/147:15 am
CPH
- STL
2 stops21h 37m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$871
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 9/98:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Tue 9/1512:45 pm
CPH
- STL
2 stops30h 12m
United Airlines
Deal found 7/25![United Airlines logo]()
$910
This Delta deal was found by Cheapflights users on 7/26. 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 9/106:40 am
STL
- CPH
2 stops17h 05m
Delta
Wed 9/309:00 am
CPH
- STL
2 stops21h 42m
Delta
Deal found 7/26![Delta logo]()
$976
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:30 pm
STL
- CPH
2 stops34h 20m
United Airlines
Mon 9/219:40 am
CPH
- STL
2 stops36h 58m
United Airlines
Deal found 7/29![United Airlines logo]()
$934
This Delta deal was found by Cheapflights users on 7/27. 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 9/205:47 pm
STL
- CPH
1 stop10h 58m
Delta
Thu 10/11:55 pm
CPH
- STL
1 stop16h 21m
Delta
Deal found 7/27![Delta logo]()
$982
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:59 pm
STL
- CPH
2 stops20h 26m
Lufthansa
Sat 9/197:25 pm
CPH
- STL
2 stops33h 11m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$982
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/145:30 pm
STL
- CPH
2 stops23h 00m
United Airlines
Mon 9/219:40 am
CPH
- STL
2 stops36h 58m
United Airlines
Deal found 7/26![United Airlines logo]()
$937
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 9/76:05 am
STL
- CPH
1 stop17h 40m
Delta
Sat 9/269:00 am
CPH
- STL
1 stop14h 52m
Delta
Deal found 7/27![Delta logo]()
$982
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Wed 9/306:20 am
CPH
- STL
2 stops19h 21m
United Airlines
Deal found 7/29![United Airlines logo]()
$970
Last-minute flights from St. Louis to CopenhagenDiscover last-minute flight deals from St. Louis to Copenhagen. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Copenhagen. Data last updated July 30, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:54 pm
STL
- CPH
2 stops16h 46m
Lufthansa
Mon 8/243:10 pm
CPH
- STL
1 stop29h 15m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$916
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:55 am
STL
- CPH
1 stop18h 55m
United Airlines
Mon 8/2410:30 am
CPH
- STL
1 stop33h 55m
United Airlines
Deal found 7/29![United Airlines logo]()
$919
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:10 pm
STL
- CPH
1 stop13h 45m
United Airlines
Fri 8/2812:15 pm
CPH
- STL
2 stops34h 16m
United Airlines
Deal found 7/29![United Airlines logo]()
$917
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:10 pm
STL
- CPH
1 stop13h 45m
Air Canada
Fri 8/2812:15 pm
CPH
- STL
1 stop13h 27m
Air Canada
Deal found 7/29![Air Canada logo]()
$930
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:54 pm
STL
- CPH
2 stops31h 01m
United Airlines
Tue 9/1512:45 pm
CPH
- STL
2 stops30h 12m
United Airlines
Deal found 7/29![United Airlines logo]()
$904
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Mon 8/312:40 pm
STL
- CPH
2 stops35h 15m
Air Canada
Tue 9/1512:45 pm
CPH
- STL
1 stop14h 35m
Air Canada
Deal found 7/26![Air Canada logo]()
$926
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 July 30, 2026.
Search for one-way flight options from St. Louis to Copenhagen. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 10/16:39 pm
STL
- CPH
3 stops59h 16m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/162:00 pm
STL
- CPH
3 stops24h 45m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:54 pm
STL
- CPH
2 stops19h 41m
Delta
Deal found 7/28![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/1612:10 pm
STL
- CPH
1 stop13h 45m
United Airlines
Deal found 7/27![United Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:52 pm
STL
- CPH
1 stop12h 53m
Delta
Deal found 7/28![Delta logo]()
$437
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:30 pm
STL
- CPH
1 stop13h 05m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$439
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:13 am
STL
- CPH
2 stops17h 12m
Delta
Deal found 7/30![Delta logo]()
$441
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
STL
- CPH
3 stops24h 10m
United Airlines
Deal found 7/28![United Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:10 pm
STL
- CPH
2 stops33h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:00 pm
STL
- CPH
1 stop33h 45m
Delta
Deal found 7/28![Delta logo]()
$449
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:40 pm
STL
- CPH
2 stops40h 30m
Air Canada
Deal found 7/29![Air Canada logo]()
$450
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 July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $775 (Expedia) |
One-way from | $383 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,012 |
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 July 30, 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 11/8
6:50 pm-11:10 pm
2 stops21h 20m
Kastrup Copenhagen
Sat 11/14
7:15 am-9:52 pm
2 stops21h 37m
$871
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Wed 9/9
8:55 am-10:50 am
1 stop18h 55m
Kastrup Copenhagen
Tue 9/15
12:45 pm-11:57 am
2 stops30h 12m
$910
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 9/13
5:30 pm-10:50 am
2 stops34h 20m
Kastrup Copenhagen
Mon 9/21
9:40 am-3:38 pm
2 stops36h 58m
$934
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 9/14
5:30 pm-11:30 pm
2 stops23h 00m
Kastrup Copenhagen
Mon 9/21
9:40 am-3:38 pm
2 stops36h 58m
$937
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Thu 9/10
8:55 am-10:50 am
1 stop18h 55m
Kastrup Copenhagen
Wed 9/30
6:20 am-6:41 pm
2 stops19h 21m
$970
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Thu 9/10
6:40 am-6:45 am
2 stops17h 05m
Kastrup Copenhagen
Wed 9/30
9:00 am-11:42 pm
2 stops21h 42m
$976
Quickest round-trip
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 9/20
5:47 pm-11:45 am
1 stop10h 58m
Kastrup Copenhagen
Thu 10/1
1:55 pm-11:16 pm
1 stop16h 21m
$982
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Sun 9/13
12:59 pm-4:25 pm
2 stops20h 26m
Kastrup Copenhagen
Sat 9/19
7:25 pm-9:36 pm
2 stops33h 11m
$982
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Mon 9/7
6:05 am-6:45 am
1 stop17h 40m
Kastrup Copenhagen
Sat 9/26
9:00 am-4:52 pm
1 stop14h 52m
$982
Cheapest one-way
St. LouisCopenhagen
STL - CPH
STLCPH
Lambert-St Louis
Thu 10/1
6:39 pm-6:30 pm
2 stops40h 51m
$433
Showing 1-10 of 15 resultsSorted 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 July.
| 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 |
- 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
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 June is currently the most expensive (average of $1,064). 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?
Airfare is below average for this route at the moment.
St. Louis to Copenhagen flights typically cost between $921 and $1,150 in November.The cheapest round-trip price found within the last 5 days was $775 on Multiple Airlines (Nov 3-Nov 9).
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 July 30, 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.
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
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.
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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Complete your trip
Complete your trip to Copenhagen by adding a car rental and/or hotel reservation to your travel itinerary.
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 July 30, 2026.
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Find flights from St. Louis to Copenhagen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Copenhagen flights
Browse other St. Louis and Copenhagen flight options. Last updated on July 30, 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 July 30, 2026.
Popular flight searches
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Top 6 airlines flying from St. Louis to Copenhagen
Discover the top 6 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 July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$598 | Average$934 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$643 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$655 | Average$1,023 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$690 | Average$983 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$693 | Average$1,001 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$734 | Average$955 | FlexibilityNo cancel fee | On-time67% |