$81 Cheap Flights from Phoenix (PHX) to Boston (BOS)

View $81 flight on Thu, Sep 11, 2025Opens in a new window

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

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

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Phoenix to Boston (PHX-BOS)

Prices were available within the past 7 days and start at $81 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Sep 11 - Thu, Sep 18
PHX
Phoenix
BOS
Boston
$167 Roundtrip, found 11 hours ago
$167
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Thu, Sep 11 from Phoenix to Boston, returning Thu, Sep 18, priced at $167 found 11 hours ago
Spirit Airlines
Mon, Sep 22 - Thu, Sep 25
PHX
Phoenix
BOS
Boston
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Sep 22 from Phoenix to Boston, returning Thu, Sep 25, priced at $172 just found
Spirit Airlines
Thu, Oct 2 - Mon, Oct 6
PHX
Phoenix
BOS
Boston
$177 Roundtrip, found 5 hours ago
$177
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Thu, Oct 2 from Phoenix to Boston, returning Mon, Oct 6, priced at $177 found 5 hours ago
Spirit Airlines
Wed, Dec 3 - Tue, Dec 9
PHX
Phoenix
BOS
Boston
$181 Roundtrip, found 3 hours ago
$181
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Wed, Dec 3 from Phoenix to Boston, returning Tue, Dec 9, priced at $181 found 3 hours ago
Spirit Airlines
Sat, Nov 15 - Mon, Nov 17
PHX
Phoenix
BOS
Boston
$187 Roundtrip, just found
$187
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Nov 15 from Phoenix to Boston, returning Mon, Nov 17, priced at $187 just found
Spirit Airlines
Sat, Dec 13 - Mon, Dec 15
PHX
Phoenix
BOS
Boston
$191 Roundtrip, just found
$191
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Dec 13 from Phoenix to Boston, returning Mon, Dec 15, priced at $191 just found
Frontier Airlines
Thu, Sep 11 - Mon, Sep 15
PHX
Phoenix
BOS
Boston
$226 Roundtrip, found 2 hours ago
$226
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Sep 11 from Phoenix to Boston, returning Mon, Sep 15, priced at $226 found 2 hours ago
American Airlines
Wed, Nov 5 - Sat, Nov 8
PHX
Phoenix
BOS
Boston
$241 Roundtrip, found 3 hours ago
$241
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Phoenix to Boston, returning Sat, Nov 8, priced at $241 found 3 hours ago
JetBlue Airways
Wed, Nov 5 - Sat, Nov 8
PHX
Phoenix
BOS
Boston
$241 Roundtrip, found 3 hours ago
$241
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Nov 5 from Phoenix to Boston, returning Sat, Nov 8, priced at $241 found 3 hours ago
Delta
Sat, Nov 15 - Mon, Nov 17
PHX
Phoenix
BOS
Boston
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Sat, Nov 15 from Phoenix to Boston, returning Mon, Nov 17, priced at $249 just found

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

September is typically the cheapest month to fly

From $150 - $220 per traveler.

Graph displaying average flight prices per month

Alternative airports near Boston

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

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $294
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $294
Flights from Phoenix (PHX) to Boston (BOS)
Origin airport
Sky Harbor Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$167
Distance
2294 mi
Average flight time
8 hours 20 mins

Phoenix to Boston Flights

The cheapest times to fly from Phoenix to Boston

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 Phoenix to Boston are during the month of September. You can find some of the cheapest flights from Phoenix to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Boston

Sunday is one of the best days to book for cheap flights from Phoenix to Boston: 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 Phoenix to Boston

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 Phoenix to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 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 Phoenix to Boston 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 Phoenix to Boston 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 Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS) cost?
Snag a cheap one-way flight from $81 or cheap return flight from $167 from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS) 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 Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
The cheapest month to fly from PHX to BOS is September, when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
Select from 3 carriers that operate direct flights from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS). Including:

  • American Airlines
  • JetBlue Airways
  • Delta Air Lines

What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
Delta Air Lines and JetBlue Airways are some popular airlines offering competitive fares. Keep in mind that flight prices from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS) can change depending on demand, travel dates and how early you book. With Expedia's search tool, you can easily find a PHX to BOS flight that matches your preferences and budget.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
When flying out of Sky Harbor Intl. Airport (PHX), you'll have a choice from an average of 6 daily direct flights to Logan Intl. Airport (BOS).
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
More people fly between PHX and BOS at 1 PM than at any other point in the day. Looking to skip the crowds? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from PHX to BOS?
Travel on a Sunday if you're looking for the largest selection of flights from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
Sky Harbor Intl. Airport (PHX)'s first flight to Logan Intl. Airport (BOS) departs at approximately 9:45AM UTC-7. With a flight time of 5h 1m, you'll arrive at around 4:46PM UTC-5.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
It usually takes 4 hours and 48 minutes to travel the 2,300 mi from PHX to BOS.
What airline has the least delays from PHX to BOS?
With 87% of flights typically landing on time, American Airlines has the best on-time performance for direct flights from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS). To keep track of your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be 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 Boston from Sky Harbor Intl. Airport (PHX)?
Check out your flight options from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS). This is the only airport in Boston you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS) last-minute?
Holding off until just before your departure to book a ticket from PHX to BOS often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a PHX to BOS flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to BOS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Logan Intl. Airport (BOS)?
If you booked your PHX to BOS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.