$177 Find Cheap Flights from Boston to Phoenix - Compare and Save

The cheapest return flight from Boston to Phoenix costs $317 on the route between Boston (BOS) and Phoenix Sky Harbor Intl Airport (PHX). It is also the most popular route.

If you are looking for a flight deal from Boston to Phoenix, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Phoenix, Tuesday is the cheapest day to fly and Sunday is the most expensive.

The cheapest month for flights from Boston to Phoenix is January, where tickets cost $297 (return) on average. On the other hand, the most expensive months are June and April, where the average cost of round-trip tickets is $447 and $418 respectively.

To get a below average price on the flight from Boston to Phoenix, you should book around 3 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Boston to Phoenix were found on Southwest ($339) and United Airlines ($342).

There are 4 airlines that fly nonstop from Boston to Phoenix. They are: Alaska Airlines, American Airlines, Delta and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $125 for a round-trip flight. On average, the best prices for this route can be found at JetBlue.

Weekly flights between Boston and Phoenix historically see delays in approximately 17% of cases, with the average delay over the past year being 151 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Monday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Based on our data, American Airlines have experienced the fewest delays on this route in the past 12 months, with only about 14% of their flights encountering any delays.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 4 and 5 nonstop flights that take off from Boston and land in Phoenix, with an average flight time of 5h 35m. The most common departure time is 5:00 pm and most flights take off in the afternoon, while the most flights land at Phoenix Sky Harbor Intl Airport. Each week, there are 31 flights. The most frequent day of departure is Monday, when 16% of all weekly flights depart. The fewest flights depart on a Wednesday.