Cheap flights from St. Louis to Denmark from $328
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 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Denmark
Cheap round-trip flights
Cheap one-way flights
United Airlines flights from St. Louis to Denmark
Our best United Airlines deals on St. Louis to Denmark flight tickets
Air Canada flights from St. Louis to Denmark
Our best Air Canada deals on St. Louis to Denmark flight tickets
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, February 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 $659. If you aren’t able to travel to Denmark during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $683.
What is the cheapest day to depart on your flight to Denmark?
The cheapest day to depart from St. Louis to Denmark is on a Tuesday. Travelers who choose to depart for Denmark on a Tuesday will often find tickets for as low as $727. On the other hand, Thursday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,340.
What is the cheapest time of day to depart on your flight to Denmark?
Flying to Denmark from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $839 when looking at flights departing in the morning. At noon is when there is more demand to fly to Denmark, so prices are often more expensive at around $1,047 per ticket.
How far in advance should I book a flight to Denmark?
You are more likely to see cheaper flights to Denmark from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $864 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from St. Louis for as low as $725 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Denmark?
American Airlines is the most popular carrier operating from Lambert-St Louis to Denmark
What airlines fly to Denmark?
American Airlines, Air Canada and Scandinavian Airlines are the top three most popular airlines that fly to Denmark from St. Louis according to our data. American Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 7 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
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 July 2025, there are 7 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 $590 | Free Cancellation | Rating 8.0 7,954 reviews | |||
| PriceFrom $625 | Free Cancellation | Rating 7.8 1,370 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $653 | Free Cancellation | Rating 7.4 8,842 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 7.1 9,691 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 6.6 7,103 reviews | |||
| PriceFrom $683 | Free Cancellation | Rating 7.3 1,413 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.