Cheap flights from Denver to Boston from R1 547

In general, January is the cheapest month to fly from Denver to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R4 543. If you aren’t able to travel during the month of January, then book flights to Boston from Denver during April instead. Flights to Boston in April, while not as cheap as those in January, still average around R5 211.

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

You are more likely to see cheaper flights to Boston from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around R5 812 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Denver for as low as R4 755 on momondo.

There is only 1 cabin class available to choose from on Denver to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 25% of flights between Denver and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 163 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of September 2026, 10 flights take off from Denver and land in Boston each day. The most common flight departure time for this route is 12:00, with 54% of daily flights taking off in the afternoon.

The number of flights available between Denver and Boston is 73 per week as of September 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.