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Cheap Flights from Phoenix (PHX) to Boston (BOS)

Compare Phoenix Sky Harbor to Boston Logan International flight deals

Find the cheapest month or even day of the year to fly to Boston Logan International

Book the best Boston Logan International fare with no extra fees

Flight deals from Phoenix Sky Harbor to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Boston Logan International Airport? If you want to travel next month, return fares start from $358. Find the lowest prices on one-way and return tickets right here.
Boston.$347 per passenger.Departing Sat, 12 Sep, returning Sat, 19 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat, 12 Sep, arriving in Boston Logan International.Inbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 19 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $347, select.
Boston.$358 per passenger.Departing Mon, 19 Oct, returning Sat, 24 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Mon, 19 Oct, arriving in Boston Logan International.Inbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 24 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $358, select.
Boston.$358 per passenger.Departing Fri, 14 Aug, returning Sat, 29 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Fri, 14 Aug, arriving in Boston Logan International.Inbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 29 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $358, select.
Boston.$435 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Wed, 28 Oct, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 4 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $435, select.
Boston.$436 per passenger.Departing Mon, 2 Nov, returning Mon, 9 Nov.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Mon, 2 Nov, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Mon, 9 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $436, select.
Boston.$436 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Tue, 29 Sep, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Tue, 6 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $436, select.
Boston.$439 per passenger.Departing Thu, 27 Aug, returning Fri, 4 Sep.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 27 Aug, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Fri, 4 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $439, select.
Boston.$439 per passenger.Departing Thu, 24 Dec, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 24 Dec, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Mon, 4 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $439, select.
Boston.$442 per passenger.Departing Wed, 2 Dec, returning Tue, 8 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Wed, 2 Dec, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 8 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $442, select.
Boston.$452 per passenger.Departing Mon, 19 Oct, returning Mon, 26 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Mon, 19 Oct, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston Logan International on Mon, 26 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $452, select.
Boston.$462 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 26 Nov, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Thu, 3 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $462, select.
Boston.$465 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Tue, 29 Sep, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston Logan International on Tue, 6 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $465, select.
Boston.$465 per passenger.Departing Wed, 28 Oct, returning Wed, 4 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 28 Oct, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston Logan International on Wed, 4 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $465, select.
Boston.$467 per passenger.Departing Tue, 15 Sep, returning Sat, 19 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Tue, 15 Sep, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston Logan International on Sat, 19 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $467, select.
Boston.$479 per passenger.Departing Thu, 14 Jan, returning Thu, 21 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Thu, 14 Jan, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Thu, 21 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $479, select.
Boston.$481 per passenger.Departing Wed, 4 Nov, returning Sat, 7 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 4 Nov, arriving in Boston Logan International.Inbound direct flight with Delta departs from Boston Logan International on Sat, 7 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $481, select.

Find the cheapest month to fly from Phoenix Sky Harbor to Boston Logan International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Boston Logan International flights are currently cheapest in September.
Jul
from $680
Aug
from $358
Sep
from $347
Oct
from $358
Nov
from $436
Dec
from $442
Jan
from $479
Feb
from $539
Mar
from $510
Apr
from $512
May
from $1,148
Jun
from $556

Direct flights from Phoenix Sky Harbor to Boston Logan International

Phoenix Sky Harbor to Boston Logan International: Alternative routes

Compare routes from Phoenix Sky Harbor to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

Boston Logan International

5km from central Boston
ClosestCheapest
from $347
Search flights

Worcester

68km from central Boston
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Manchester

72km from central Boston
from $506
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Fall River

76km from central Boston
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Provincetown

76km from central Boston
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Providence

76km from central Boston
from $459
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Portsmouth

82km from central Boston
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Phoenix to Boston: Flight information

The things to know before you go.
Cheapest flight found$347
Cheapest month to flySeptember
Average flight time4 hrs, 55 mins
Most popular airlineAmerican Airlines
Average flights per week70

Finding cheap flights from Phoenix Sky Harbor to Boston Logan International: Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to Boston Logan International is $347. 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.
4 hours and 55 minutes is the average flight time from Phoenix Sky Harbor to Boston Logan International.
American Airlines, Qatar Airways and jetBlue fly direct from Phoenix Sky Harbor to Boston Logan International.
As of July 2026, there are 70 flights per week flying from Phoenix Sky Harbor to Boston Logan International.
The cheapest month to fly from Phoenix Sky Harbor to Boston Logan International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Boston Logan International Airport on Saturday, 12 September 2026.
Yes – the average flight time is 4 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 Boston Logan International 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 Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Boston Logan International.

Flying from Phoenix Sky Harbour Airport (PHX) to Boston Logan International Airport (BOS): what you need to know

  • Jump on a direct flight from Phoenix Sky Harbour Airport to Boston Logan International Airport and you'll be travelling for an average of 4 hours 55 minutes.

  • Boston is two hours ahead of Phoenix and is in the UTC-5 timezone.

  • Flights from PHX to BOS start at 08:15 — the earliest with American Airlines. The last service of the day is at 23:59 with JetBlue Airways. In total, you can choose from 40 weekly Phoenix Sky Harbour Airport to Boston Logan International Airport flights.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your PHX to BOS flight.

  • You'll likely experience longer lines during popular months such as April. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • You can travel nonstop to Boston, the United States. Take to the skies with one of these carriers offering direct flights from Phoenix Sky Harbour Airport to Boston Logan International Airport:

  • American Airlines is the airline with the highest passenger demand for this route.

  • American Airlines is a leader in on-time performance for PHX to BOS flights, with 81.73% of its services landing as scheduled.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour Airport to Boston Logan International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Popular stopovers between PHX and BOS include:

    • Detroit Wayne County Airport

    • St Louis Airport

    • Chicago Midway Airport

How to find the cheapest flights from Phoenix Sky Harbour Airport (PHX) to Boston Logan International Airport (BOS)

  • Currently, $173 is the lowest price we've seen for a one-way Phoenix Sky Harbour Airport to Boston Logan International Airport flight. The best price for a return plane ticket is $347. Keep in mind that fares may change due to demand at the time of booking.

  • To pick up cheap tickets from PHX to BOS, book ahead. Airlines generally offer their most competitively priced fares when flights are first made available.

  • The cheapest month for flights from Phoenix Sky Harbour Airport to Boston Logan International Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have a flexible schedule.

  • Getting your hands on cheap flights from PHX to BOS is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Phoenix Sky Harbour Airport to Boston Logan International Airport.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport maintains a strong on-time performance, so flight disruptions are less likely. Departures from PHX make it to their destination as scheduled 80% of the time.

  • Central Phoenix to Phoenix Sky Harbour Airport is around 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • You can expect a journey time of around 25 minutes when using public transport.

  • Taking an early flight from Phoenix Sky Harbour Airport to Boston Logan International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels close to PHX:

Arriving at Boston Logan International Airport (BOS)

When to fly to Boston Logan International Airport (BOS)

  • July is the busiest month for flights from Phoenix Sky Harbour Airport to Boston Logan International Airport. For smaller crowds, visit Boston in March.

  • When booking your flight from Phoenix Sky Harbour Airport to Boston Logan International Airport, consider the kind of weather you enjoy. July is the warmest month in Boston, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from PHX to BOS in January. Average temperatures are between -8ºC (18ºF) and 6ºC (43ºF) then.

Explore more of the United States

  • You've seen Boston, now it's time to discover other corners of the United States. Journey around 306 kilometres south-west to New York to tick off its leading attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you've got a jam-packed schedule ahead.

  • If you're looking to explore another major stop in the United States, head for Philadelphia, roughly 434 kilometres south-west of Boston. Independence Hall, Liberty Bell and Philadelphia Museum of Art are among its highlights.

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