Cheap flights from Boston to Phoenix Sky Harbor Intl Airport
BOS — PHX
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl are usually found in January or August, booked 32 days in advance, depart on a Monday or Tuesday and return on a Monday
Find flight deals from Boston to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.
Popular in
April
Cheapest in
January
Average price
C$ 545
Good one-way deal
C$ 156 or less
Highest demand for flights based on searches. 8% potential increase in price (C$ 60 potential increase over avg. RT price).
Best time to book a flight from Boston to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Phoenix Sky Harbor Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Phoenix Sky Harbor Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Sky Harbor Intl. Price data was last updated on 5 December 2025.
Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Phoenix Sky Harbor Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of C$ 135). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 319). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to PHX?
Find hourly flight availability from Boston to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Boston to Phoenix Sky Harbor Intl Airport by exploring options for tickets in the evening.
Weekly flight availability from Boston to Phoenix Sky Harbor Intl Airport
Explore weekly flight availability from Boston to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.
The most flights from BOS to PHX are scheduled on a Thursday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Boston to Phoenix delayed?
About 17% of weekly flights between Boston and Phoenix have experienced delays in the past year, with the average delay time being 158 minutes.
What is the most punctual flight time for Boston to Phoenix flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Phoenix flights?
Over the past year, American Airlines has had the lowest number of delays on this route, with just 14% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Boston to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Boston to Phoenix Sky Harbor Intl?
If you book a flight to Phoenix Sky Harbor Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 4.2 km from the centre of Boston. There are 10 flights from Logan Intl to Phoenix Sky Harbor Intl per day from 0 different airlines.
What are the most reliable airlines from Boston to Phoenix Sky Harbor Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Phoenix Sky Harbor Intl Airport on time: Alaska Airlines (95%), American Airlines (79%), Air France (75%).
Can I find deals for flights from Boston to Sky Harbor Intl that include hotel bookings?
Yes. In addition to deals on Boston to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Sky Harbor Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sky Harbor Intl.
Can I find deals for business class flights from Boston to Sky Harbor Intl?
Yes. Cheapflights offers flight deals from Boston to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of C$ 135). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of C$ 319). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Sky Harbor Intl?
When you search for this flight from Boston to Sky Harbor Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Boston to Sky Harbor Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to Sky Harbor Intl for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Boston to Sky Harbor Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Sky Harbor Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Boston to Sky Harbor Intl become cheaper?
Yes! Start tracking prices for Boston to Sky Harbor Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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