Cheap flights from Reykjavik Keflavik Intl Airport to Boston from $355

In general, October is the cheapest month to fly from Reykjavik Keflavik Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of October, then book flights to Boston from Reykjavik Keflavik Intl Airport during May instead. Flights to Boston in May, while not as cheap as those in October, still average around $277.

The cheapest day to depart from Reykjavik Keflavik Intl Airport to Boston is on a Friday when prices can be found for as low as $484. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Thursday is $868.

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Reykjavik Keflavik Intl Airport to Boston in the morning for as low as $704. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $865 per ticket.

Fly from Reykjavik Keflavik Intl to Boston Logan Intl for the best Reykjavik Keflavik Intl - Boston Logan Intl flight prices

Historically, on average around 8% of flights between Reykjavik and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

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

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

According to our data, CAA have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

1 flights are operational daily from Reykjavik Keflavik Intl Airport to Boston as of May 2026. The most popular departure time for this route is 5:00PM, with 50% of flights per day taking off in the afternoon.

The number of flights available between Reykjavik Keflavik Intl Airport and Boston is 7 per week as of May 2026. The most frequent departure day is Mon, with 29% of weekly flights leaving on this day.