Cheap flights from Phoenix to Boston from $166

In general, January is the cheapest month to fly from Phoenix to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $234. If you aren’t able to travel during the month of January, then book flights to Boston from Phoenix during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $270.

The cheapest day to depart from Phoenix to Boston is on a Tuesday when prices can be found for as low as $375. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $469.

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Phoenix to Boston in the evening for as low as $348. 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 $496 per ticket.

Fly from Phoenix Sky Harbor Intl to Boston Logan Intl for the best Phoenix - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Phoenix for as low as $319 on momondo.

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

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

American Airlines, Delta and JetBlue are the top three most popular airlines that fly to Boston from Phoenix according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 6 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

As of August 2026, 4 flights take off from Phoenix and land in Boston each day. The most common flight departure time for this route is 8:00AM, with 37% of daily flights taking off at noon.

The number of flights available between Phoenix and Boston is 32 per week as of August 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.