Cheap flights from St. Louis to Denmark from $327
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Denmark departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Wed 2/3
3:40 pm-1:30 pm
1 stop14h 50m
Kastrup Copenhagen
Fri 2/5
11:35 am-4:19 pm
2 stops35h 44m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Wed 2/3
3:40 pm-1:30 pm
1 stop14h 50m
Kastrup Copenhagen
Fri 2/5
11:35 am-4:19 pm
2 stops35h 44m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Wed 2/3
4:05 pm-2:10 pm
2 stops15h 05m
Kastrup Copenhagen
Fri 2/5
11:35 am-10:35 am
2 stops30h 00m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Tue 1/12
4:05 pm-10:20 am
1 stop11h 15m
Kastrup Copenhagen
Wed 1/20
11:35 am-3:26 pm
1 stop34h 51m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Mon 11/9
6:50 pm-5:35 pm
2 stops15h 45m
Kastrup Copenhagen
Wed 11/18
7:15 am-1:45 pm
1 stop13h 30m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Sun 11/8
3:40 pm-1:30 pm
1 stop14h 50m
Kastrup Copenhagen
Tue 11/24
7:10 pm-1:45 pm
1 stop25h 35m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Sat 3/13
4:05 pm-10:20 am
1 stop11h 15m
Kastrup Copenhagen
Sat 3/20
10:35 am-3:26 pm
1 stop34h 51m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Fri 11/6
6:50 pm-5:35 pm
2 stops15h 45m
Kastrup Copenhagen
Fri 11/13
11:35 am-12:12 pm
2 stops31h 37m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Mon 11/9
12:29 pm-10:30 am
1 stop15h 01m
Kastrup Copenhagen
Wed 11/18
1:50 pm-9:42 pm
1 stop14h 52m
St. LouisCopenhagen
STL Lambert-St Louis - CPH Kastrup Copenhagen
STLCPH
Lambert-St Louis
Mon 11/9
12:29 pm-10:30 am
1 stop15h 01m
Kastrup Copenhagen
Wed 11/18
1:50 pm-11:56 pm
1 stop17h 06m
See travel insights to Denmark from
How to get the cheapest flight ticket from St. Louis to Denmark
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denmark?
In general, October is the cheapest month to fly from St. Louis to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $512. If you aren’t able to travel to Denmark during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $523.
Can stopping save me money on St. Louis to Denmark flights?
You could potentially save up to 32% on your flight if you consider stops on a St. Louis to Denmark flight.
What is the cheapest airline that flies from Lambert-St Louis to Denmark?
British Airways, Lufthansa, and United Airlines are the most popular carriers operating from Lambert-St Louis to Denmark
What airlines fly to Denmark?
Air Canada, United Airlines and Lufthansa are the top three most popular airlines that fly to Denmark from St. Louis according to our data. Air Canada is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 5 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Denmark flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Denmark
Frequently asked questions about flying from St. Louis to Denmark
When did momondo last update prices for flights from Lambert-St Louis Airport to Denmark?
Prices for flights from Lambert-St Louis Airport to Denmark were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Denmark?
As of October 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Denmark.
How old do you have to be to fly from Lambert-St Louis Airport to Denmark?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Denmark.
What documentation or ID do you need to fly to Denmark?
The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Denmark
Compare and see reviews for airlines that fly from St. Louis to Denmark with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $406 | Free Cancellation | Rating 7.8 8,654 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.4 10,331 reviews | |||
| PriceFrom $690 | Free Cancellation | Rating 6.8 8,272 reviews | |||
| PriceFrom $761 | Free Cancellation | Rating 7.1 11,750 reviews | |||
| PriceFrom $769 | Free Cancellation | Rating 7.4 2,015 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Denmark?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Denmark for you.
Can I find flights from St. Louis to Denmark with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Denmark flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Denmark?
Once you have performed a search for St. Louis to Denmark flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Denmark right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Denmark from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.