Cheap flights from Phoenix Sky Harbor Intl Airport to Boston from $109

In general, January is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $232. If you aren’t able to travel during the month of January, then book flights to Boston from Phoenix Sky Harbor Intl Airport during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $267.

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Boston is on a Wednesday when prices can be found for as low as $357. 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 $451.

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 Sky Harbor Intl Airport to Boston in the evening for as low as $318. 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 $469 per ticket.

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

You are more likely to see cheaper flights to Boston from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Phoenix Sky Harbor Intl Airport for as low as $291 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Boston flight.

As of March 2026, prices for Phoenix Sky Harbor Intl Airport to Boston flights are approximately 19% cheaper when compared to flights at the same time last year.

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

American Airlines, Delta and JetBlue are the top three most popular airlines that fly to Boston from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 8 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of $175.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 6h 56m.

Chicago (ORD) has the shortest average layover time for this route: 0h 46m.

The number of flights available between Phoenix Sky Harbor Intl Airport and Boston is 9 per day as of March 2026. The most frequent departure time is 9:00PM, with 70% of daily flights leaving in the evening.

The number of flights available between Phoenix Sky Harbor Intl Airport and Boston is 68 per week as of March 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.