What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?

Our cheapest airline available from St. Louis to Copenhagen is Air Canada. Our recent data shows that you can find tickets from as low as $639 on this airline. Additional options worth looking into are United Airlines and Finnair, starting at $651 and $663 round-trip. These flights start at 29% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to Copenhagen?

Travelers seeking maximum savings on their St. Louis to Copenhagen flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Copenhagen?

Before booking your flight from St. Louis to Copenhagen check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What is the cheapest day to fly round-trip from St. Louis to Copenhagen?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 84% on the overall cost on flights from St. Louis to Copenhagen.

How far in advance should I book a flight from St. Louis to Copenhagen?

To save on the cost of your flight from St. Louis to Copenhagen, book at least 23 days before your planned departure. Booking around this time can save you about 57% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $613 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,074.

What is the cheapest month to fly from St. Louis to Copenhagen?

January can be a great time to fly to Copenhagen from St. Louis with a flight ticket averaging about $900. Cheapflights users have found deals in the month of January for as cheap as $550. The most expensive prices can be found in the month of December.

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.

Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?

Yes. In addition to deals on St. Louis to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Copenhagen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Copenhagen.

Can I find deals for business class flights from St. Louis to Copenhagen?

Yes. Cheapflights offers flight deals from St. Louis to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$639+ Save on Flights from St. Louis to Copenhagen

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1. Tell us where you want to go

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The best prices from Lambert-St Louis to Kastrup Copenhagen are usually found in January or August, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Copenhagen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$639 (Flightnetwork)
Popular in	December
Cheapest in	January
Average price	$778

Provider with most accurate pricing for Lambert-St Louis-Kastrup Copenhagen flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Kastrup Copenhagen flights.

Search Deals

From Lambert-St Louis to Kastrup Copenhagen

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($82 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from St. Louis to Copenhagen

Cheapest flights from St. Louis to Copenhagen
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 febrero 20, 2025.

lun. 3/313:50 pmSTL - CPH

1 stop12h 00mAir Canada

mar. 4/1512:35 pmCPH - STL

2 stops29h 28mAir Canada

Deal found 2/20

$639

mar. 4/155:35 pmSTL - CPH

2 stops34h 15mUnited Airlines

mar. 4/2212:25 pmCPH - STL

2 stops33h 17mUnited Airlines

Deal found 2/19

$651

lun. 3/316:29 pmSTL - CPH

2 stops15h 26mFinnair

mar. 4/157:25 pmCPH - STL

2 stops31h 04mFinnair

Deal found 2/20

$663

mar. 4/154:44 pmSTL - CPH

2 stops35h 06mMultiple Airlines

mar. 4/2212:50 pmCPH - STL

1 stop32h 59mMultiple Airlines

Deal found 2/19

$664

dom. 3/910:12 amSTL - CPH

2 stops25h 28mBritish Airways

lun. 3/178:20 pmCPH - STL

2 stops31h 58mBritish Airways

Deal found 2/19

$694

lun. 5/126:45 amSTL - CPH

2 stops16h 45mDelta

mar. 5/209:00 amCPH - STL

2 stops18h 48mDelta

Deal found 2/19

$742

dom. 6/296:33 amSTL - CPH

1 stop21h 42mAmerican Airlines

dom. 8/102:00 pmCPH - STL

1 stop13h 13mAmerican Airlines

Deal found 2/19

$927

mié. 3/124:45 pmSTL - CPH

1 stop14h 45mLufthansa

mié. 3/196:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 2/18

$1,100

lun. 2/245:36 pmSTL - CPH

2 stops33h 19mTurkish Airlines

mié. 2/266:10 pmCPH - STL

2 stops27h 26mTurkish Airlines

Deal found 2/20

$1,574

lun. 2/2412:52 pmSTL - CPH

1 stop14h 13mScandinavian Airlines

mié. 2/261:00 pmCPH - STL

1 stop17h 36mScandinavian Airlines

Deal found 2/20

$2,557

Best flights from St. Louis to Copenhagen
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 febrero 20, 2025.

lun. 3/313:50 pmSTL - CPH

1 stop12h 00mAir Canada

mar. 4/1512:35 pmCPH - STL

2 stops29h 28mAir Canada

Deal found 2/20

$639

mar. 4/155:35 pmSTL - CPH

2 stops34h 15mUnited Airlines

mar. 4/2212:25 pmCPH - STL

2 stops33h 17mUnited Airlines

Deal found 2/19

$651

lun. 3/316:29 pmSTL - CPH

2 stops15h 26mFinnair

mar. 4/157:25 pmCPH - STL

2 stops31h 04mFinnair

Deal found 2/20

$663

mar. 4/154:44 pmSTL - CPH

2 stops35h 06mMultiple Airlines

mar. 4/2212:50 pmCPH - STL

1 stop32h 59mMultiple Airlines

Deal found 2/19

$664

dom. 3/910:12 amSTL - CPH

2 stops25h 28mBritish Airways

lun. 3/178:20 pmCPH - STL

2 stops31h 58mBritish Airways

Deal found 2/19

$694

lun. 5/126:45 amSTL - CPH

2 stops16h 45mDelta

mar. 5/209:00 amCPH - STL

2 stops18h 48mDelta

Deal found 2/19

$742

mié. 3/124:45 pmSTL - CPH

1 stop14h 45mLufthansa

mié. 3/196:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 2/18

$1,100

lun. 2/245:36 pmSTL - CPH

2 stops33h 19mTurkish Airlines

mié. 2/266:10 pmCPH - STL

2 stops27h 26mTurkish Airlines

Deal found 2/20

$1,574

lun. 2/2412:52 pmSTL - CPH

1 stop14h 13mScandinavian Airlines

mié. 2/261:00 pmCPH - STL

1 stop17h 36mScandinavian Airlines

Deal found 2/20

$2,557

Last-minute flights from St. Louis to Copenhagen
Discover last-minute flight deals from St. Louis to Copenhagen. Data last updated febrero 20, 2025 and is based on user searches.

lun. 2/245:36 pmSTL - CPH

2 stops33h 19mTurkish Airlines

mié. 2/266:10 pmCPH - STL

2 stops27h 26mTurkish Airlines

Deal found 2/20

$1,574

lun. 2/2412:52 pmSTL - CPH

1 stop14h 13mScandinavian Airlines

mié. 2/261:00 pmCPH - STL

1 stop17h 36mScandinavian Airlines

Deal found 2/20

$2,557

mar. 2/2512:15 pmSTL - CPH

3 stops16h 30mMultiple Airlines

jue. 2/2712:55 pmCPH - STL

3 stops34h 50mMultiple Airlines

Deal found 2/19

$1,193

mar. 2/255:36 pmSTL - CPH

2 stops16h 54mLufthansa

jue. 2/272:15 pmCPH - STL

1 stop30h 40mLufthansa

Deal found 2/19

$2,208

dom. 3/912:04 pmSTL - CPH

2 stops23h 36mBritish Airways

lun. 3/178:20 pmCPH - STL

2 stops31h 58mBritish Airways

Deal found 2/19

$694

dom. 3/94:45 pmSTL - CPH

1 stop14h 45mUnited Airlines

lun. 3/179:00 amCPH - STL

2 stops18h 34mUnited Airlines

Deal found 2/19

$851

mié. 3/124:45 pmSTL - CPH

1 stop19h 20mMultiple Airlines

mié. 3/196:50 amCPH - STL

2 stops38h 16mMultiple Airlines

Deal found 2/18

$849

mié. 3/124:45 pmSTL - CPH

1 stop14h 45mLufthansa

mié. 3/196:50 amCPH - STL

1 stop14h 05mLufthansa

Deal found 2/18

$1,100

lun. 3/313:50 pmSTL - CPH

1 stop12h 00mAir Canada

mar. 4/1512:35 pmCPH - STL

2 stops29h 28mAir Canada

Deal found 2/20

$639

lun. 3/316:29 pmSTL - CPH

2 stops15h 26mFinnair

mar. 4/157:25 pmCPH - STL

2 stops31h 04mFinnair

Deal found 2/20

$663

Find flights from St. Louis to Copenhagen within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 3/31

3:50 pm-10:50 am

1 stop12h 00m

Kastrup Copenhagen

mar. 4/15

12:35 pm-11:03 am

2 stops29h 28m

$639

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mar. 4/15

5:35 pm-10:50 am

2 stops34h 15m

Kastrup Copenhagen

mar. 4/22

12:25 pm-2:42 pm

2 stops33h 17m

$651

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 3/31

6:29 pm-4:55 pm

2 stops15h 26m

Kastrup Copenhagen

mar. 4/15

7:25 pm-7:29 pm

2 stops31h 04m

$663

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mar. 4/15

4:44 pm-10:50 am

2 stops35h 06m

Kastrup Copenhagen

mar. 4/22

12:50 pm-2:49 pm

1 stop32h 59m

$664

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

dom. 3/9

10:12 am-5:40 pm

2 stops25h 28m

Kastrup Copenhagen

lun. 3/17

8:20 pm-10:18 pm

2 stops31h 58m

$694

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 5/12

6:45 am-6:30 am

2 stops16h 45m

Kastrup Copenhagen

mar. 5/20

9:00 am-8:48 pm

2 stops18h 48m

$742

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

mié. 3/12

4:45 pm-1:30 pm

1 stop14h 45m

Kastrup Copenhagen

mié. 3/19

6:50 am-2:55 pm

1 stop14h 05m

$1,100

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 2/24

5:36 pm-9:55 am

2 stops33h 19m

Kastrup Copenhagen

mié. 2/26

6:10 pm-2:36 pm

2 stops27h 26m

$1,574

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

lun. 2/24

12:52 pm-10:05 am

1 stop14h 13m

Kastrup Copenhagen

mié. 2/26

1:00 pm-11:36 pm

1 stop17h 36m

$2,557

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from St. Louis to Copenhagen

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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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.

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.

Travel insights for flights from St. Louis to Copenhagen

Get recent, data-driven insights about flights from St. Louis to Copenhagen including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Copenhagen?

The best time to book flights from St. Louis to Copenhagen is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Copenhagen?

Currently, November 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 $989). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to CPH?

It’s optimal to fly from St. Louis to Copenhagen in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Rainfall in Copenhagen by month

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

Temperature in Copenhagen by month

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Copenhagen

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,832 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines

7.3

Good

1,325 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?
Our cheapest airline available from St. Louis to Copenhagen is Air Canada. Our recent data shows that you can find tickets from as low as $639 on this airline. Additional options worth looking into are United Airlines and Finnair, starting at $651 and $663 round-trip. These flights start at 29% lower than the current average price 3 months from now.
Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?
Yes. In addition to deals on St. Louis to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Copenhagen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Copenhagen.
Can I find deals for business class flights from St. Louis to Copenhagen?
Yes. Cheapflights offers flight deals from St. Louis to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Copenhagen?
Currently, November 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 $989). 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.

See more FAQs

Kastrup

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Alternative routes for St. Louis to Copenhagen

Kansas City to Copenhagen flights

Other flights to Copenhagen

Top 7 airlines flying from St. Louis to Copenhagen

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$488	Average$737	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$564	Average$1,028	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$585	Average$787	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$597	Average$1,008	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$638	Average$960	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$649	Average$876	FlexibilityNo cancel fee	On-time69%
Scandinavian Airlines	Cheapest$683	Average$1,299	FlexibilityNo cancel fee	On-time77%

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$639+ Cheap flights from St. Louis (STL) to Copenhagen (CPH)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Copenhagen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Lambert-St Louis to Kastrup Copenhagen are usually found in January or August, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from St. Louis to Copenhagen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Copenhagen

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 febrero 20, 2025.

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 febrero 20, 2025.

Find flights from St. Louis to Copenhagen within your budget

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 February.

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.

Travel insights for flights from St. Louis to Copenhagen

Get recent, data-driven insights about flights from St. Louis to Copenhagen including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Copenhagen?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Copenhagen. Price data was last updated on February 14, 2025.

What is the cheapest month to book a flight from St. Louis to Copenhagen?

What is the cheapest time of day to fly from STL to CPH?

Find hourly flight availability from St. Louis to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Rainfall in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average rainfall totals by month.

Temperature in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average temperature totals by month.

Reviews of airlines servicing Copenhagen

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.

What are the cheapest airlines flying from St. Louis to Copenhagen round-trip?

Can I find deals for flights from St. Louis to Copenhagen that include hotel bookings?

How can I find direct flights from St. Louis to Copenhagen?

Can I find deals for business class flights from St. Louis to Copenhagen?

What is the cheapest month to book a flight from St. Louis to Copenhagen?

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Alternative routes for St. Louis to Copenhagen

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Top 7 airlines flying from St. Louis to Copenhagen

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Cheapest flights from St. Louis to Copenhagen
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 febrero 20, 2025.