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Find cheap one-way flights from Phoenix to Boston starting at US$77.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Phoenix to Boston?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Phoenix to Boston

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From US$77
Jetblue Airways
From US$111
Delta Air Lines
From US$112
Sun Country Airlines
From US$119
Frontier Airlines
From US$126
Alaska Airlines
From US$153
United Airlines
From US$164
Southwest Airlines
From US$169
Allegiant Air
From US$181
American Airlines
From US$342
ANA airlines

Find more flights and airlines

Find cheap flights from Phoenix to Boston by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Phoenix to Boston.

  • Cheapest
    Spirit Airlines
    PHX
    06:40
    12h 34m
    1 transfer
    BOS
    22:14
    Sky Harbor International Airport - General Edward Lawrence Logan International Airport
    Wed, May 22Spirit Airlines
    US$77
  • Allegiant Air
    AZA
    08:10
    20h 58m
    2 transfer
    BOS
    08:08
    Phoenix-Mesa Gateway Airport - General Edward Lawrence Logan International Airport
    Fri, Apr 12Allegiant Air
    US$181
  • Allegiant Air
    AZA
    08:10
    20h 58m
    2 transfer
    BOS
    08:08
    Phoenix-Mesa Gateway Airport - General Edward Lawrence Logan International Airport
    Fri, Apr 12Allegiant Air
    US$181
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Phoenix (PHX) to Boston (BOS) the cheapest?

    Airlines adjust prices for flights from Phoenix to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Phoenix (PHX) to Boston (BOS) cost?

    According to Trip.com's data, the lowest price is around $406.
  • How long does it take to fly from Phoenix (PHX) to Boston (BOS) and what is the distance?

    It takes around 5 hours 4 minutes to fly from Phoenix (PHX) to Boston (BOS).
  • What are the most popular airlines that fly from Phoenix (PHX) to Boston (BOS)?

Phoenix to Boston Flight Information

Cheapest nonstop flight price

$76

Cheapest round-trip ticket price

$208

Off-season for travel

October

Peak season for travel

September