Cheap flights from Denver to Copenhagen from $250

The cheapest month to fly to Copenhagen from Denver is in February. Flight prices, which tend to average around $537, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen 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 $557.

You are more likely to see cheaper flights to Copenhagen from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $788 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Denver for as low as $607 on momondo.

You could potentially save up to 17% on your flight if you consider stops on a Denver to Copenhagen flight.

As of October 2026, prices for Denver to Copenhagen flights are approximately 46% cheaper when compared to flights at the same time last year.

Icelandair, Delta, and KLM are the most popular carriers operating from Denver Intl to Kastrup Copenhagen

Icelandair, United Airlines and Lufthansa are the top three most popular airlines that fly to Copenhagen from Denver according to our data. Icelandair is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 10 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Reykjavik (KEF) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $581.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 17m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 26m.