Cheap flights from Boston to Denmark from $209

In general, February is the cheapest month to fly from Boston to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $496. If you aren’t able to travel to Denmark 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 $546.

The cheapest day to depart from Boston to Denmark is on a Sunday. Travelers who choose to depart for Denmark on a Sunday will often find tickets for as low as $668. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $736.

Flying to Denmark from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $559 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Denmark, so prices are often more expensive at around $706 per ticket.

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

You are more likely to see cheaper flights to Denmark from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $673 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Boston for as low as $667 on momondo.

There are 3 cabin classes available to choose from on Boston to Denmark flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SWISS, United Airlines, and KLM are the most popular carriers operating from Boston Logan Intl to Denmark

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to Denmark from Boston 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 Denmark. Keep in mind that there are 11 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between Boston and Denmark have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night 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. 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 8% of their flights experiencing any sort of delay.

As of August 2026, there are 3 flights per day flying from Boston to Denmark. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

As of August 2026, there are 21 flights per week flying from Boston to Denmark. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.