$86 Cheap Flights from Boston (BOS) to Phoenix (PHX)

View $86 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Phoenix Sky Harbor Intl. Airport (PHX)

Today's featured flight deals from Logan International Airport (BOS) to Phoenix Sky Harbor Intl. Airport (PHX)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Boston to Phoenix (BOS-PHX)

Prices were available within the past 7 days and start at $86 for one-way flights and $172 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, Sep 21 - Thu, Sep 25
BOS
Boston
PHX
Phoenix
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Sep 21 from Boston to Phoenix, returning Thu, Sep 25, priced at $172 just found
Spirit Airlines
Mon, Oct 27 - Fri, Oct 31
BOS
Boston
PHX
Phoenix
$176 Roundtrip, just found
$176
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Oct 27 from Boston to Phoenix, returning Fri, Oct 31, priced at $176 just found
Spirit Airlines
Thu, Oct 30 - Mon, Nov 3
BOS
Boston
PHX
Phoenix
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 30 from Boston to Phoenix, returning Mon, Nov 3, priced at $179 just found
Frontier Airlines
Thu, Sep 25 - Sun, Sep 28
BOS
Boston
PHX
Phoenix
$184 Roundtrip, just found
$184
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from Boston to Phoenix, returning Sun, Sep 28, priced at $184 just found
Spirit Airlines
Mon, Oct 6 - Fri, Oct 10
BOS
Boston
PHX
Phoenix
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Oct 6 from Boston to Phoenix, returning Fri, Oct 10, priced at $186 just found
Spirit Airlines
Thu, Oct 23 - Sun, Oct 26
BOS
Boston
PHX
Phoenix
$189 Roundtrip, just found
$189
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 23 from Boston to Phoenix, returning Sun, Oct 26, priced at $189 just found
Spirit Airlines
Thu, Sep 18 - Fri, Sep 19
BOS
Boston
PHX
Phoenix
$191 Roundtrip, found 7 hours ago
$191
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Thu, Sep 18 from Boston to Phoenix, returning Fri, Sep 19, priced at $191 found 7 hours ago
JetBlue Airways
Tue, Nov 11 - Sat, Nov 15
BOS
Boston
PHX
Phoenix
$211 Roundtrip, just found
$211
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Nov 11 from Boston to Phoenix, returning Sat, Nov 15, priced at $211 just found
American Airlines
Fri, Oct 31 - Wed, Nov 12
BOS
Boston
PHX
Phoenix
$232 Roundtrip, just found
$232
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 31 from Boston to Phoenix, returning Wed, Nov 12, priced at $232 just found
United
Thu, Dec 11 - Tue, Dec 16
BOS
Boston
PHX
Phoenix
$247 Roundtrip, found 13 hours ago
$247
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Dec 11 from Boston to Phoenix, returning Tue, Dec 16, priced at $247 found 13 hours ago

Find the cheapest month to fly from Boston (BOS) to Phoenix (PHX)

August is typically the cheapest month to fly

From $158 - $257 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $198
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $198
Flights from Boston (BOS) to Phoenix (PHX)
Origin airport
Logan Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$172
Distance
2294 mi
Average flight time
3 hours 41 mins

Boston to Phoenix Flights

The cheapest times to fly from Boston to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Phoenix are during the month of September. You can find some of the cheapest flights from Boston to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Phoenix

Sunday is one of the best days to book for cheap flights from Boston to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX) cost?
Get a cheap one-way flight from $86 or cheap return flight from $172 from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Traveling in September can help you save, as it's the cheapest month for flights between BOS and PHX. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Select from 3 airlines that fly directly from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX). Including:

  • American Airlines
  • JetBlue Airways
  • Delta Air Lines

What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Delta Air Lines and JetBlue Airways are well-known airlines offering competitive fares. Keep in mind that flight prices from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX) can vary based on travel dates, demand and how early you book. With Expedia's search tool, you can easily find a BOS to PHX flight that fits your preferences and budget.
How many flights per day from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Daily, an average of 6 nonstop flights operate from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX). Select the departure date that best fits your itinerary.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
The 8 AM departures from BOS to PHX are the busiest. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from BOS to PHX?
Jet off on a Thursday if you're looking for the best selection of flights from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Logan Intl. Airport (BOS)'s earliest flight to Sky Harbor Intl. Airport (PHX) takes off at approximately 6:25AM UTC-5. With a total journey time of 6h 12m, you'll touch down at around 10:37AM UTC-7.
How long does it take to fly from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
Flights from BOS to PHX have an average travel time of 6 hours and 9 minutes. The distance between the two airports is 2,300 mi.
What airline has the least delays from BOS to PHX?
Delta Air Lines has the strongest track record for on-time direct flights from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX), with an on-time rating of 81%. Use the Expedia App to see your flight status before you take off and get real-time alerts about any trip changes.
What is the best time to fly from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from Logan Intl. Airport (BOS)?
Check out your flight options from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX). This is the only airport in Phoenix you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX) last-minute?
Last-minute bookings from BOS to PHX are usually more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a BOS to PHX flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to PHX flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Sky Harbor Intl. Airport (PHX)?
If you booked your BOS to PHX flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.