Cheap flights from Washington, D.C. Dulles Intl Airport to Copenhagen from $233

The cheapest month to fly to Copenhagen from Washington, D.C. Dulles Intl Airport is in February. Flight prices, which tend to average around $506, 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 October is also cheap. Prices for this month can be found on momondo for an average of $550.

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Copenhagen is on a Sunday when prices can be found for as low as $615. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Copenhagen for around $683.

Flying to Copenhagen from Washington, D.C. Dulles Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $631 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $640. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Washington, D.C. Dulles Intl to Kastrup Copenhagen for the best Washington, D.C. Dulles Intl - Kastrup Copenhagen flight prices

You are more likely to see cheaper flights to Copenhagen from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $625 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Washington, D.C. Dulles Intl Airport for as low as $579 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Kastrup Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 7% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Copenhagen flight.

As of March 2026, prices for Washington, D.C. Dulles Intl Airport to Copenhagen flights are approximately 8% more expensive when compared to flights at the same time last year.

Icelandair and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Kastrup Copenhagen

Scandinavian Airlines, Icelandair and United Airlines are the top three most popular airlines that fly to Copenhagen from Washington, D.C. Dulles Intl Airport according to our data. Scandinavian Airlines is the first choice among our users, with 73% 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 Reykjavik (KEF) offer the lowest average round-trip price of $666.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 15m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 49m.

As of March 2026, there are 1 flights per day flying from Washington, D.C. Dulles Intl Airport to Copenhagen. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

As of March 2026, 12 flights take off from Washington, D.C. Dulles Intl Airport and land in Copenhagen each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.