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$141+ Cheap flights from Sky Harbor Intl (PHX) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Boston Logan Intl are usually found in January or February, booked 59 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Boston (BOS). 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 June 26, 2025.

Round-trip from

$237
(FlightHub)

One-way from

$141
(Delta)

Popular in

April

Cheapest in

January

Average price

$340

Good round-trip deal

$302 or less

Good one-way deal

$172 or less
From Phoenix Sky Harbor Intl to Boston Logan Intl
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One-way flight from Phoenix Sky Harbor Intl to Boston Logan Intl
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Boston Logan Intl.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Boston Logan Intl.
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Find flight deals from Sky Harbor Intl to Boston

Cheapest flights from Sky Harbor Intl to Boston
Explore the most affordable flight options available from Sky Harbor Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This FlightHub deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:49 pmPHX - BOS
2 stops11h 55mSpirit Airlines
Mon 7/2110:08 amBOS - PHX
2 stops15h 26mSpirit Airlines
Deal found 6/26$237
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:45 pmPHX - BOS
Nonstop5h 01mDelta
Wed 9/246:30 pmBOS - PHX
Nonstop5h 52mDelta
Deal found 6/26$239
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:15 pmPHX - BOS
Nonstop4h 53mAmerican Airlines
Wed 8/206:15 amBOS - PHX
Nonstop5h 46mAmerican Airlines
Deal found 6/25$248
This Alaska Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:28 amPHX - BOS
1 stop15h 57mAlaska Airlines
Wed 9/247:45 amBOS - PHX
1 stop10h 33mAlaska Airlines
Deal found 6/26$258
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:50 pmPHX - BOS
1 stop7h 25mSouthwest
Wed 10/83:35 pmBOS - PHX
1 stop8h 50mSouthwest
Deal found 6/25$259
This Orbitz deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/265:27 pmPHX - BOS
1 stop12h 13mMultiple Airlines
Tue 7/89:44 amBOS - PHX
1 stop13h 37mMultiple Airlines
Deal found 6/24$260
This JetBlue deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:55 pmPHX - BOS
Nonstop4h 51mJetBlue
Sun 10/262:00 pmBOS - PHX
1 stop10h 40mJetBlue
Deal found 6/26$297
This Frontier deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/265:27 pmPHX - BOS
1 stop12h 13mFrontier
Sat 7/129:40 amBOS - PHX
1 stop9h 36mFrontier
Deal found 6/24$311
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/99:10 amPHX - BOS
1 stop9h 14mUnited Airlines
Sat 8/235:30 amBOS - PHX
2 stops12h 09mUnited Airlines
Deal found 6/26$356

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boston that are best for you.

Fly from

Sky Harbor Intl

Fly to

Boston

Route

Depart

Return

Price

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Fri 7/18

11:49 pm-2:44 pm

2 stops11h 55m

Boston Logan Intl

Mon 7/21

10:08 am-10:34 pm

2 stops15h 26m

$237

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/18

10:45 pm-6:46 am

Nonstop5h 01m

Boston Logan Intl

Tue 9/23

6:30 pm-9:22 pm

Nonstop5h 52m

$239

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Mon 8/4

6:05 pm-6:00 am

1 stop8h 55m

Boston Logan Intl

Wed 8/20

7:45 am-3:18 pm

1 stop10h 33m

$248

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 9/18

11:28 am-6:25 am

1 stop15h 57m

Boston Logan Intl

Wed 9/24

7:45 am-3:18 pm

1 stop10h 33m

$258

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 7/15

2:56 pm-8:55 am

1 stop14h 59m

Boston Logan Intl

Wed 7/23

6:00 am-10:19 pm

3 stops19h 19m

$262

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 8/6

11:40 am-9:35 pm

1 stop6h 55m

Boston Logan Intl

Wed 8/13

9:25 am-6:05 pm

2 stops11h 40m

$266

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Thu 7/31

3:15 pm-11:08 pm

Nonstop4h 53m

Boston Logan Intl

Mon 8/11

6:15 am-9:01 am

Nonstop5h 46m

$276

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Wed 8/20

4:59 pm-7:52 am

1 stop11h 53m

Boston Logan Intl

Thu 8/21

12:57 pm-10:49 pm

1 stop12h 52m

$316

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Sat 8/9

9:10 am-9:24 pm

1 stop9h 14m

Boston Logan Intl

Sat 8/23

5:30 am-2:39 pm

2 stops12h 09m

$356

PhoenixBoston

PHX - BOS

PHXBOS

Phoenix Sky Harbor Intl

Tue 7/22

9:44 pm-7:44 am

1 stop7h 00m

Boston Logan Intl

Thu 7/31

1:59 pm-8:19 pm

1 stop9h 20m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 22 results
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Best time to book a flight from Sky Harbor Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Boston. Price data was last updated on June 20, 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Boston. 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 Phoenix Sky Harbor Intl Airport to Boston?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boston (average of $218). Flying from Phoenix Sky Harbor Intl Airport to Boston in June is currently the most expensive (average of $306). 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 PHX to BOS?

Find hourly flight availability from Sky Harbor Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Phoenix Sky Harbor Intl Airport to Boston by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boston. Price data was last updated on June 22, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Boston

Explore weekly flight availability from Sky Harbor Intl to Boston. 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 June 26, 2025.

The most flights from PHX to BOS are scheduled on a Wednesday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated June 26, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Phoenix Sky Harbor Intl Airport to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,522 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Boston. 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 into for flights to Boston from Phoenix Sky Harbor Intl?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Logan Intl (BOS) should be relatively easy as there are 11 daily inbound flights from Phoenix Sky Harbor Intl from 8 different airlines.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Boston round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Boston, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by Delta and Hawaiian Airlines, with the lowest prices starting at $239 and $248, respectively. Spirit Airlines is currently priced 25% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Boston one-way?

    $141 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and Allegiant Air, with prices starting from $143 and $145, respectively.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Boston?

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Boston are Scandinavian Airlines (100%), KLM (94%) and EL AL (94%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Boston?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Phoenix Sky Harbor Intl - Boston Logan Intl) can be booked for $195 on average our data indicates $601 when flying from Phoenix Sky Harbor Intl Airport to Boston.

  • Can I find deals for flights from Sky Harbor Intl to Boston that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Boston.

  • Can I find deals for business class flights from Sky Harbor Intl to Boston?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Boston 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 Phoenix Sky Harbor Intl Airport to Boston?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boston (average of $218). Flying from Phoenix Sky Harbor Intl Airport to Boston in June is currently the most expensive (average of $306). 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.

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln
Quincy

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Alternative routes for Sky Harbor Intl to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Sky Harbor Intl to Boston

Discover the top 8 airlines that operate flights from Sky Harbor Intl to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$113Average$188FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$161Average$279FlexibilityNo cancel feeOn-time62%
DeltaCheapest$169Average$299FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$228Average$396FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$230Average$375FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$351FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$398FlexibilityNo cancel feeOn-time63%

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