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Palo Alto

$59+ Cheap flights from Sky Harbor Intl (PHX) to Palo Alto, CA

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SFO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Palo Alto are usually found in April or September, booked 63 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Palo Alto

Keep the following information in mind while searching for Sky Harbor Intl to Palo Alto flight deals. Data was last updated March 28, 2025.

Round-trip from

$98
(Cheapflightsfares)

One-way from

$59
(CheapOair)

Popular in

November

Cheapest in

April

Average price

$159
From Phoenix Sky Harbor Intl to Palo Alto
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One-way flight from Phoenix Sky Harbor Intl to Palo Alto
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Highest demand for flights based on searches. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Sky Harbor Intl to Palo Alto

Cheapest flights from Sky Harbor Intl to Palo Alto
Explore the most affordable flight options available from Sky Harbor Intl to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/261:33 pmPHX - SFO
Nonstop2h 21mFrontier
Sat 5/31:07 pmSFO - PHX
Nonstop2h 07mFrontier
Deal found 3/27$98
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:00 amPHX - SFO
Nonstop2h 08mHawaiian Airlines
Tue 4/291:46 pmSFO - PHX
Nonstop2h 03mHawaiian Airlines
Deal found 3/27$137
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/229:00 amPHX - SFO
Nonstop2h 08mMultiple Airlines
Fri 4/2510:40 pmSFO - PHX
Nonstop2h 11mMultiple Airlines
Deal found 3/27$139
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:30 pmPHX - SFO
Nonstop2h 10mUnited Airlines
Wed 4/304:11 pmSFO - PHX
Nonstop2h 07mUnited Airlines
Deal found 3/25$147
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 7/1910:39 amPHX - SFO
Nonstop2h 03mAmerican Airlines
Mon 7/219:15 amSFO - PHX
Nonstop2h 01mAmerican Airlines
Deal found 3/27$153
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:05 pmPHX - SFO
1 stop5h 15mSouthwest
Mon 5/58:25 pmSFO - PHX
Nonstop2h 00mSouthwest
Deal found 3/26$157
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 4/229:00 amPHX - SFO
Nonstop2h 08mAlaska Airlines
Thu 4/241:46 pmSFO - PHX
Nonstop2h 03mAlaska Airlines
Deal found 3/27$183
This Delta deal was found by Cheapflights users on 3/26. 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.
Fri 5/305:25 pmPHX - SFO
1 stop6h 56mDelta
Tue 7/225:45 amSFO - PHX
1 stop6h 23mDelta
Deal found 3/26$197

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl to Palo Alto 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 March 28, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Palo Alto that are best for you.

Fly from

Sky Harbor Intl

Fly to

Palo Alto

Route

Depart

Return

Price

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 4/26

1:33 pm-3:54 pm

Nonstop2h 21m

San Francisco

Sat 5/3

1:07 pm-3:14 pm

Nonstop2h 07m

$98

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Mon 5/12

1:39 pm-3:54 pm

Nonstop2h 15m

San Francisco

Wed 5/14

1:46 pm-3:49 pm

Nonstop2h 03m

$133

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 4/26

9:00 am-11:08 am

Nonstop2h 08m

San Francisco

Tue 4/29

1:46 pm-3:49 pm

Nonstop2h 03m

$137

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Wed 4/23

7:30 pm-9:40 pm

Nonstop2h 10m

San Francisco

Wed 4/30

4:11 pm-6:18 pm

Nonstop2h 07m

$147

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 7/19

10:39 am-12:42 pm

Nonstop2h 03m

San Francisco

Mon 7/21

9:15 am-11:16 am

Nonstop2h 01m

$153

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 5/3

5:05 pm-10:20 pm

1 stop5h 15m

San Francisco

Mon 5/5

8:25 pm-10:25 pm

Nonstop2h 00m

$157

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Tue 4/22

9:00 am-11:08 am

Nonstop2h 08m

San Francisco

Thu 4/24

1:46 pm-3:49 pm

Nonstop2h 03m

$183

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Fri 5/30

5:25 pm-12:21 am

1 stop6h 56m

San Francisco

Tue 7/22

5:45 am-12:08 pm

1 stop6h 23m

$197

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Mon 5/5

4:49 pm-7:02 pm

Nonstop2h 13m

$59

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Wed 4/30

9:00 am-11:08 am

Nonstop2h 08m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 16 results
1
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Best time to book a flight from Sky Harbor Intl to Palo Alto

Have a flexible travel schedule? Discover the best time to fly to Palo Alto 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 Palo Alto

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Palo Alto. Price data was last updated on March 21, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Palo Alto may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Palo Alto?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Palo Alto (average of $276). Flying from Phoenix Sky Harbor Intl Airport to Palo Alto in June is currently the most expensive (average of $398). 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 P4L?

Find hourly flight availability from Sky Harbor Intl to Palo Alto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Palo Alto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Palo Alto. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Palo Alto flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings 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 Palo Alto

Explore weekly flight availability from Sky Harbor Intl to Palo Alto. 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 March 28, 2025.

The most flights from PHX to P4L are scheduled on a Thursday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Palo Alto ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Palo Alto when rainfall is around 0.0 in.

Temperature in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Palo Alto, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Palo Alto

Get insights into the airlines that provide service to Palo Alto. 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 Palo Alto. Reviews last updated March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Phoenix to Palo Alto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Palo Alto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $59 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Southwest, with prices starting from $69 and $78, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Phoenix Sky Harbor Intl Airport to Palo Alto consider choosing Japan Airlines (92%), Air China (89%) or China Southern (89%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,996 for a flight from Phoenix Sky Harbor Intl Airport to Palo Alto. The cheapest flight overall is $55 while the most popular route, (Phoenix Sky Harbor Intl - San Francisco) is currently priced at $103.

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

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

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

    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 Palo Alto.

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Palo Alto 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 Palo Alto?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Palo Alto (average of $276). Flying from Phoenix Sky Harbor Intl Airport to Palo Alto in June is currently the most expensive (average of $398). 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.

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Top 9 airlines flying from Sky Harbor Intl to Palo Alto

Discover the top 9 airlines that operate flights from Sky Harbor Intl to Palo Alto. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$101FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$70Average$140FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$84Average$189FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$92Average$139FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$99Average$310FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$120Average$217FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$132Average$276FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$133Average$252FlexibilityNo cancel feeOn-time63%
DeltaCheapest$175Average$277FlexibilityNo cancel feeOn-timeN/A
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