Cheap flights from Colorado to Boston from $109

In general, January is the cheapest month to fly from Colorado to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel during the month of January, then book flights to Boston from Colorado during April instead. Flights to Boston in April, while not as cheap as those in January, still average around $329.

The cheapest day to depart from Colorado to Boston is on a Wednesday when prices can be found for as low as $342. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $464.

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Colorado to Boston in the evening for as low as $323. 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 morning is when there is more demand to fly to Boston, so prices are often more expensive at around $435 per ticket.

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

You are more likely to see cheaper flights to Boston from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Colorado for as low as $292 on momondo.

There are 4 cabin classes available to choose from on Colorado to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, United Airlines, and Delta are the most popular carriers operating from Colorado to Boston Logan Intl

United Airlines, JetBlue and Southwest are the top three most popular airlines that fly to Boston from Colorado according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 7 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

The number of flights available between Colorado and Boston is 12 per day as of September 2026. The most frequent departure time is 9:00AM, with 65% of daily flights leaving at noon.

85 flights are operational weekly from Colorado to Boston as of September 2026. The most popular departure day for this route is Fri, with 21% of flights per week taking off on this day.