PHX - BOS

$177 Find Cheap Flights from Phoenix to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Phoenix to Boston departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$316
Typical prices: $336-$503
United Airlines
Fri 7/31Sun 8/9
PHX - BOS • 1 stop
Cheapest non-stop
$317
Typical prices: $289-$483
American Airlines
Wed 9/16Thu 9/24
PHX - BOS • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
JetBlue includes free Wi-Fi; Delta offers it for SkyMiles members on domestic flights.
For more comfort, JetBlue Even More Space beats Delta Comfort Plus on legroom.
Expert advice
Expert advice
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Expert advice
Expert advice
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Nonstop flights
You can fly direct with American Airlines, Delta and JetBlue. Average duration is 5h 03m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $188 (round-trip)
Shortest trip • 6h 36m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 32% price drop
Most popular
Good to know
Good to know
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We hope you love your trip to Boston!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Phoenix to Boston (PHX-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Phoenix to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phoenix to Boston

Fri, Jul 31 - Sun, Aug 9
United Airlines Logo
2:45 pm - 1:14 am
PHX
-
BOS
7h 29m
1 stop
United Airlines Logo
7:19 am - 12:26 pm
BOS
-
PHX
8h 07m
1 stop
$316United Airlines
Sat, Sep 19 - Tue, Sep 22
Delta Logo
10:17 pm - 6:20 am
PHX
-
BOS
5h 03mnonstop
Delta Logo
5:50 pm - 8:22 pm
BOS
-
PHX
5h 32mnonstop
$317Delta
Sat, Sep 5 - Tue, Sep 8
Southwest Logo
11:05 pm - 3:15 pm
PHX
-
BOS
13h 10m
2 stops
Southwest Logo
2:45 pm - 9:15 pm
BOS
-
PHX
9h 30m
2 stops
$319Southwest
Wed, Aug 12 - Tue, Aug 18
Multiple Airlines Logo
11:23 pm - 10:57 am
PHX
-
BOS
8h 34m
1 stop
Multiple Airlines Logo
2:45 pm - 9:43 pm
BOS
-
PHX
9h 58m
1 stop
$320Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Alaska Airlines Logo
7:11 am - 5:40 am
PHX
-
BOS
19h 29m
1 stop
Alaska Airlines Logo
8:00 am - 2:33 pm
BOS
-
PHX
9h 33m
1 stop
$321Alaska Airlines
Tue, Aug 25 - Sun, Aug 30
Southwest Logo
2:30 pm - 12:05 am
PHX
-
BOS
6h 35m
1 stop
Southwest Logo
7:30 am - 1:35 pm
BOS
-
PHX
9h 05m
2 stops
$322Southwest
Mon, Sep 14 - Fri, Sep 18
Multiple Airlines Logo
10:44 pm - 12:05 pm
PHX
-
BOS
10h 21m
1 stop
Multiple Airlines Logo
8:00 am - 2:33 pm
BOS
-
PHX
9h 33m
1 stop
$323Multiple Airlines
Sat, Sep 19 - Wed, Sep 23
American Airlines Logo
3:20 pm - 11:30 pm
PHX
-
BOS
5h 10mnonstop
American Airlines Logo
7:00 am - 9:36 am
BOS
-
PHX
5h 36mnonstop
$324American Airlines
Tue, Aug 4 - Sun, Aug 9
United Airlines Logo
1:28 pm - 11:21 pm
PHX
-
BOS
6h 53m
1 stop
United Airlines Logo
7:19 am - 12:26 pm
BOS
-
PHX
8h 07m
1 stop
$325United Airlines
Sat, Sep 12 - Tue, Sep 15
Delta Logo
10:17 pm - 6:20 am
PHX
-
BOS
5h 03mnonstop
Delta Logo
2:54 pm - 8:14 pm
BOS
-
PHX
8h 20m
1 stop
$327Delta
Booking Insights

KAYAK's insights & trends for Phoenix to Boston flights

Get data-powered insights and trends into flights from Phoenix to Boston to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Phoenix Sky Harbor Intl Airport to Boston?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Phoenix Sky Harbor Intl Airport to Boston departing in July.

What’s the cheapest day of the week to fly from Phoenix to Boston?

The average price of all round-trip flights from Phoenix Sky Harbor Intl Airport to Boston clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Phoenix to Boston, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Boston, Wednesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Phoenix Sky Harbor Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Phoenix Sky Harbor Intl Airport to Boston is January, where tickets cost $234 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $449 and $415 respectively.

Can I save money by flying with a layover from Phoenix Sky Harbor Intl Airport to Boston?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $307 on average.

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Phoenix Sky Harbor Intl Airport to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Phoenix Sky Harbor Intl Airport to Boston, you should book around 3 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Expert advice

Expert advice for your flight from Phoenix to Boston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines and JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonJanuary
Cheapest flight$177
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Phoenix to Boston

When to book flights from Phoenix to Boston

Are your dates flexible? Find out the best times to travel from Phoenix to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Phoenix to Boston: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Phoenix to Boston 
MitchellFlew with Delta
PHX
-
BOS
Jan 2026
If you need to make a change due to weather, book early
JonathanFlew with Delta
PHX
-
BOS
Jan 2025
Delta is great! Make sure to get to their airport early though. PHX security is a zoo.

FAQs for booking Phoenix to Boston flights

  • Are there duty free and shopping slots at Phoenix Sky Harbor Airport (PHX)?

    In Terminal 4, duty-free shopping is offered in both the landside and airside areas. In addition, the airport is home to a wide selection of retail establishments, gift shops, and newsstands spread out around the premises.

  • What are the fees that are associated with extended parking at PHX?

    Parking choices at PHX include those for prolonged stays as well as long-term parking. You should plan on paying any overdue parking costs before your license is renewed if you have them. You have the option of paying online using QuickPay, major credit cards, or wire transfers.

  • How do I access the car rental companies at Boston Logan Airport?

    The Boston Logan Airport Car Rental Center is a short distance from the terminals. There is a complimentary shuttle bus that transports guests there. Each terminal's shuttle bus is situated on the lowest level.

  • What is the required arrival time at Phoenix airport?

    It is advisable to arrive 1h 30min to 2h before your flight; however, wait times vary by time and day. The screening times provided by TSA are subject to change based on the departure schedules. At midday, they may last anywhere from 5 to 20min.

  • What is the cheapest flight from Phoenix Sky Harbor Intl Airport to Boston?

    In the last 5 days, the lowest price for a flight from Phoenix Sky Harbor Intl Airport to Boston was $177 for a one-way ticket and $317 for a round-trip.

  • Do I need a passport to fly between Phoenix and Boston?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airlines offer Wi-Fi service onboard planes from Phoenix to Boston?

    JetBlue, American Airlines, Delta, and Alaska Airlines offer inflight Wi-Fi service on the Phoenix to Boston flight route.

  • Which aircraft models fly most regularly from Phoenix to Boston?

    The Airbus A321neo is the aircraft model that flies most regularly on the Phoenix to Boston flight route.

  • Which airline alliances offer flights from Phoenix to Boston?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Phoenix and Boston, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Phoenix to Boston?

    There are nonstop flights from Phoenix to Boston on a daily basis.

  • Which is the best airline for flights from Phoenix to Boston, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Phoenix to Boston are Southwest and Delta. With an average price for the route of $387 and an overall rating of 7.9, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $355 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Phoenix to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Phoenix to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Phoenix to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Phoenix is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Phoenix to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Phoenix with another airline. Booking your flights between Phoenix and BOS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Phoenix to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Phoenix up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Phoenix Sky Harbor Intl Airport to Boston

  • Looking for a cheap flight? 25% of our users found flights on this route for $222 or less one-way and $400 or less round-trip.
  • If you have a flight and would want to leave your vehicle at Phoenix Sky Harbor Airport (PHX), you may choose from seven on-airport parking alternatives as well as various off-airport Phoenix airport parking lots and garages situated nearby. Parking at the airport will provide you with convenience as well as flexibility with regard to your trip plans.
  • The Sensory Room at Phoenix Sky Harbor Airport is an alternative for individuals or families looking for a calm space in the event that the airport's busyness becomes overwhelming. The room has various kinds of books, coloring books, and puzzles in addition to seating areas, tables, and other seating options. Even seats taken directly from real aircraft are available for guests to try out in order to get a feel for what it would be like to be on an actual flight.
  • You can make the most of your time at the Phoenix Sky Harbor Airport by taking a stroll or power walking along a designated walking path as you wait for your flight to Boston. You may make the most of your time at the airport and get a workout in at the same time by taking a stroll down the route or having a stroll that is more leisurely. The FitPHX in-airport walkway can be located inside Phoenix Sky Harbor International Airport. It is situated on the airside of Terminal 4, between Gates A30 and D8.
  • The Phoenix Sky Harbor International Airport's parking options include short-term, long-term, and extended-stay parking, as well as affordable and premium guaranteed parking. Parking garages such as the Central Garage, Terminal B Garage, and Economic Garage are all open for business. Shuttle buses carry passengers to and from the airport's various terminals 24h, seven days a week.
  • If you are traveling with a pet, you may locate pet relief spaces on the "Arrivals" level curb outside each terminal at Boston Logan International Airport (BOS).

Prefer to fly direct from Phoenix to Boston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Phoenix Sky Harbor Intl to Boston Logan Intl.
Find which airlines fly direct from Phoenix Sky Harbor Intl Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

Phoenix Sky Harbor Intl to Boston Logan Intl

Monday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Tuesday

American Airlines,Delta

American Airlines,Delta

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Friday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Saturday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Sunday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

See more direct flights

Direct returns

Boston Logan Intl to Phoenix Sky Harbor Intl

Monday

American Airlines,Delta

American Airlines,Delta

Tuesday

American Airlines,Delta

American Airlines,Delta

Wednesday

American Airlines,Delta,JetBlue

American Airlines,Delta, +1 more

Thursday

American Airlines,Delta

American Airlines,Delta

Friday

American Airlines,Delta

American Airlines,Delta

Saturday

American Airlines,Delta

American Airlines,Delta

Sunday

American Airlines,Delta

American Airlines,Delta

See more direct flights

Everything you need to know for your flight from Phoenix to Boston

Information on your arrival and departure airports