Cheap flights from Copenhagen to Boston from $325

In general, September is the cheapest month to fly from Copenhagen to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $534. If you aren’t able to travel during the month of September, then book flights to Boston from Copenhagen during November instead. Flights to Boston in November, while not as cheap as those in September, still average around $548.

The cheapest day to depart from Copenhagen to Boston is on a Thursday when prices can be found for as low as $665. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $813.

Fly from Kastrup Copenhagen to Boston Logan Intl for the best Kastrup Copenhagen - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $622 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Copenhagen for as low as $535 on momondo.

You could potentially save up to 8% on your flight if you consider stops on a Copenhagen to Boston flight.

British Airways and Finnair are the most popular carriers operating from Kastrup Copenhagen to Boston Logan Intl

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to Boston from Copenhagen according to our data. Scandinavian Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 5% of flights between Copenhagen and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 116 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.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday 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 5% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $524.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 9h 59m.

Amsterdam (AMS) has the shortest average layover time for this route: 1h 17m.

3 flights are operational daily from Copenhagen to Boston as of May 2026. The most popular departure time for this route is 1:00PM, with 100% of flights per day taking off in the afternoon.

As of May 2026, 21 flights take off from Copenhagen and land in Boston each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.