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Cheap flights from Boston (BOSA) to Phoenix (PHXA)

Compare Boston to Phoenix flight deals

Find the cheapest month or even day of the year to fly to Phoenix

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Flight deals from Boston to Phoenix

Looking for a cheap last-minute deal or the best return flight from Boston to Phoenix? If you want to travel next month, return fares start from $368. Find the lowest prices on one-way and return tickets right here.
Phoenix.$152 per passenger.Departing Tue, 22 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 22 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $152, select.
Phoenix.$152 per passenger.Departing Wed, 19 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 19 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $152, select.
Phoenix.$152 per passenger.Departing Wed, 18 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 18 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $152, select.
Phoenix.$173 per passenger.Departing Thu, 9 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Thu, 9 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $173, select.
Phoenix.$184 per passenger.Departing Sat, 24 Oct.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 24 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $184, select.
Phoenix.$184 per passenger.Departing Sat, 7 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 7 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $184, select.
Phoenix.$184 per passenger.Departing Wed, 9 Sep.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 9 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $184, select.
Phoenix.$199 per passenger.Departing Mon, 29 Jun.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Boston Logan International on Mon, 29 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $199, select.
Phoenix.$232 per passenger.Departing Wed, 9 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 9 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $232, select.
Phoenix.$254 per passenger.Departing Thu, 9 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 9 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $254, select.
Phoenix.$254 per passenger.Departing Thu, 6 Aug.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 6 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $254, select.
Phoenix.$257 per passenger.Departing Fri, 1 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Fri, 1 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $257, select.
Phoenix.$280 per passenger.Departing Mon, 29 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Mon, 29 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $280, select.
Phoenix.$435 per passenger.Departing Fri, 25 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 25 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $435, select.
Phoenix.$449 per passenger.Departing Wed, 7 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Wed, 7 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $449, select.
Phoenix.$452 per passenger.Departing Fri, 5 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Fri, 5 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $452, select.

Find the cheapest month to fly from Boston to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Phoenix flights are currently cheapest in August.
Jun
from $199
Jul
from $173
Aug
from $152
Sep
from $152
Oct
from $184
Nov
from $152
Dec
from $232
Jan
from $257
Feb
from $452
Mar
Find prices
Apr
from $449
May
Find prices

Direct flights from Boston to Phoenix

Alternative Boston to Phoenix routes

Looking for the cheapest, fastest or easiest route from Boston to Phoenix? You could fly into the following airports instead.

Phoenix Sky Harbor

6km from central Phoenix
ClosestCheapest
from $152
Search flights

Phoenix Scottsdale Municipal

24km from central Phoenix
Search flights

Phoenix-Deer Valley

27km from central Phoenix
Search flights

Phoenix-Mesa Gateway

42km from central Phoenix
from $167
Search flights

Boston to Phoenix: Flight information

The things to know before you go.
Cheapest flight found$152
Cheapest month to flySeptember
Average flight time5 hrs, 55 mins
Most popular airlineAmerican Airlines
Average flights per week92

Finding cheap flights from Boston to Phoenix: Frequently asked questions

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.
The best price we found for a return flight from Boston to Phoenix is $305. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 55 minutes is the average flight time from Boston to Phoenix.
American Airlines, Etihad Airways and jetBlue fly direct from Boston to Phoenix.
As of June 2026, there are 92 flights per week flying from Boston to Phoenix.
The cheapest month to fly from Boston to Phoenix is usually August.
If you're flying from Boston, the cheapest airport near Phoenix is Phoenix Sky Harbor – which is 6.0 km away from the centre of Phoenix. We've found flights into this airport from $305.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Phoenix on Tuesday, 18 August 2026.
Yes – the average flight time is 5 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 30°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.
The cheapest airline that flies to Phoenix is Southwest Airlines. And the cheapest airline that flies to Phoenix Scottsdale Municipal Airport is Delta.

How to find cheap flights from Boston to Phoenix

Looking for cheap air tickets from Boston to Phoenix? Here are a few tips on how to score the best price and make your journey as smooth as possible.

  • Simply hit 'search'. From Singapore Airlines to Emirates, we've compared plane tickets from all major online travel agents and airlines flying Boston-Phoenix to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay.
  • Flex your dates to secure the best air ticket price for your Boston-Phoenix flight. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest time to fly toPhoenix from Boston.
  • Stay One Step Ahead with Price Alerts. Never miss a deal! Set up a Price Alert for Boston to Phoenix by creating an alert. Whenever prices go down or up, you'll get a push notification or email to help you get the best flight deal.
  • Look for direct flights. Only interested in direct flights between Boston and Phoenix? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available, these will appear in the results.
  • Include nearby airports in your search. Widen your search for Boston to Phoenix flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.
  • Find the cheapest Business Class flights from Boston to Phoenix. We scour the Internet for the best Business, Premium Economy, and First Class flight fares for Boston-Phoenix, too. Check the difference in price as you search – you might just stumble on a last-minute low fare.
  • Search for cheap flights when out and about. To get the best flight booking experience on the go, download our app and search for flight tickets from Boston to Phoenix wherever you are.

Book air tickets from Boston to Phoenix with peace of mind

  • Find flexible flights for Boston to Phoenix Your airline might be offering flexible plane tickets to Phoenix, which means you won't lose out if your flight has to be changed or cancelled.
  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your Boston-Phoenix flight with us.
  • Reduce your carbon footprint by selecting a greener Boston-Phoenix flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight to Phoenix with hotels and car rental

Once you've secured your cheap flight ticket for Boston-Phoenix, discover the best prices and exclusive rates for hotels in Phoenix or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip..

Not Sure About Phoenix? Explore “Everywhere”

If you're still exploring destinations, use Skyscanner’s “Everywhere” search feature to see the cheapest places to fly from your location. You might just find an irresistible deal to Phoenix or another dream destination.


Plan the rest of your trip from Boston to Phoenix

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.