Cheap flights from Copenhagen to Washington, D.C. from $346

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Copenhagen, with most prices found around $531. If you’re not able to fly to Washington, D.C. in February, then September is your next best option. Flight prices from Copenhagen to Washington, D.C. during September average around $532.

On average, the least expensive day to fly to Washington, D.C. from Copenhagen is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $574. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Copenhagen to Washington, D.C. for around $923.

At noon is the cheapest time of day to fly from Copenhagen to Washington, D.C. when you can find flight prices for as low as $619. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $775. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $610 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Copenhagen for as low as $511 on momondo.

There are 3 cabin classes available to choose from on Kastrup Copenhagen to Washington, D.C. 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 43% on your flight if you consider stops on a Copenhagen to Washington, D.C. flight.

As of March 2026, prices for Copenhagen to Washington, D.C. flights are approximately 52% more expensive when compared to flights at the same time last year.

American Airlines, Finnair, and British Airways are the most popular carriers operating from Kastrup Copenhagen to Washington, D.C.

Scandinavian Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Washington, D.C. from Copenhagen according to our data. Scandinavian Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Copenhagen and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Zurich (ZRH) offer the lowest average round-trip price of $630.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 27m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 24m.

As of March 2026, there are 1 flights per day flying from Copenhagen to Washington, D.C.. The most common time of day flights depart is 3:00PM, with 100% of flights taking off in the afternoon.

The number of flights available between Copenhagen and Washington, D.C. is 9 per week as of March 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.