$110 Cheap Flights from Boston (BOS) to Phoenix (PHX)

View $110 flight on Wed, Apr 15, 2026Opens in a new window

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

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Cheap Flights from Boston to Phoenix (BOS-PHX)

Prices were available within the past 7 days and start at $110 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Apr 27 - Thu, May 7
BOS
Boston
PHX
Phoenix
$210 Roundtrip, found 12 hours ago
$210
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Mon, Apr 27 from Boston to Phoenix, returning Thu, May 7, priced at $210 found 12 hours ago
Alaska Airlines
Wed, May 6 - Tue, May 19
BOS
Boston
PHX
Phoenix
$217 Roundtrip, found 6 days ago
$217
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, May 6 from Boston to Phoenix, returning Tue, May 19, priced at $217 found 6 days ago
United
Sat, Apr 4 - Tue, Apr 14
BOS
Boston
PHX
Phoenix
$219 Roundtrip, found 12 hours ago
$219
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Apr 4 from Boston to Phoenix, returning Tue, Apr 14, priced at $219 found 12 hours ago
Frontier Airlines
Tue, Apr 14 - Tue, Apr 21
BOS
Boston
PHX
Phoenix
$220 Roundtrip, just found
$220
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Apr 14 from Boston to Phoenix, returning Tue, Apr 21, priced at $220 just found
Alaska Airlines
Wed, May 13 - Sun, May 17
BOS
Boston
PHX
Phoenix
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, May 13 from Boston to Phoenix, returning Sun, May 17, priced at $229 just found
Frontier Airlines
Wed, Apr 15 - Wed, Apr 22
BOS
Boston
PHX
Phoenix
$230 Roundtrip, just found
$230
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 15 from Boston to Phoenix, returning Wed, Apr 22, priced at $230 just found
Alaska Airlines
Tue, May 5 - Sun, May 10
BOS
Boston
PHX
Phoenix
$231 Roundtrip, found 22 hours ago
$231
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Tue, May 5 from Boston to Phoenix, returning Sun, May 10, priced at $231 found 22 hours ago
United
Tue, Apr 7 - Wed, Apr 8
BOS
Boston
PHX
Phoenix
$232 Roundtrip, found 8 hours ago
$232
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Apr 7 from Boston to Phoenix, returning Wed, Apr 8, priced at $232 found 8 hours ago
American Airlines
Tue, Mar 24 - Tue, Mar 31
BOS
Boston
PHX
Phoenix
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Mar 24 from Boston to Phoenix, returning Tue, Mar 31, priced at $237 found 1 hour ago
Delta
Tue, Apr 7 - Wed, Apr 15
BOS
Boston
PHX
Phoenix
$239 Roundtrip, found 12 hours ago
$239
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Apr 7 from Boston to Phoenix, returning Wed, Apr 15, priced at $239 found 12 hours ago

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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 $257
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $257

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $110 and cheap return flights from $210 Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights usually range from $132 to $1241, and return flights typically cost between $314 and $1936. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
January is the cheapest month to fly from Boston to Phoenix, with average round-trip fares around $286. This price is about 20% lower than the average throughout the year, as January typically experiences lower travel demand after the holiday season. Other budget-friendly months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
3 airlines operate nonstop service from BOS to PHX:

  • American Airlines operates around 28 direct flights from BOS to PHX every week
  • Delta operates around 11 direct flights from BOS to PHX every week
  • JetBlue Airways operates around 10 direct flights from BOS to PHX every week

What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Boston, MA (BOS) to Phoenix, AZ (PHX), with round-trip tickets starting from around $400. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Boston, MA (BOS) to Phoenix, AZ (PHX) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, JetBlue Airways typically offers the lowest fares. Southwest Airlines offers the most daily flights from BOS to PHX, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best time to fly from Boston to Phoenix is typically in January or February, with average return flight prices around $286. These months are ideal as they fall after the holiday rush, leading to lower fares and a more relaxed travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
On average, there are around 7 nonstop flights per day from Logan Intl. (BOS) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Logan International Airport (BOS) to Sky Harbor International Airport (PHX) usually departs at around 5:00 AM, operated by American Airlines. Departing early allows you to arrive in Phoenix with plenty of time to enjoy your day. This service operates seasonally in April. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Boston, MA (BOS) to Phoenix, AZ (PHX) are in the morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including American Airlines, Delta, and United Airlines, offer flights during this window. This timing is ideal for travelers wanting to arrive in Phoenix with a full day to enjoy the sunshine.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Direct flights from BOS to PHX usually take about 6 hours, traveling roughly 2,295 miles. If you opt for a connecting flight, expect to add around 2 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Business class seats are offered on the BOS to PHX route with JetBlue Airways.First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines
  • Spirit Airlines

How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A direct, return business class ticket from Boston, MA (BOS) to Phoenix, AZ (PHX) typically costs between $1,880 - $2,511. A non-stop, one-way business class flight is usually around $784 - $1,231. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Phoenix from Logan Intl. (BOS)?
If you're planning to travel to Phoenix from Logan Intl. (BOS), you can fly into Sky Harbor Intl. (PHX) Some flights may connect through major hubs like Midway Intl. (MDW), Lambert-St. Louis Intl. (STL), Baltimore Washington Intl. Thurgood Marshall (BWI) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 beyond this timeframe. 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.

Travel information

Origin airport
Logan Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$210
Distance
2294 mi
Average flight time
3 hours 1 min

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $110 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.

 

Boston to Phoenix Flights

*Flight schedules are subject to change.

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*Available to One Key members.