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Palo Alto

$120+ Cheap flights from Boston (BOS) 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Palo Alto are usually found in September or March, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Boston to Palo Alto

Keep the following information in mind while searching for Boston to Palo Alto flight deals. Data was last updated January 6, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$231
(Southwest)

One-way from

$120
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$337
Provider with most accurate pricing for Boston Logan Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Francisco flights.
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From Boston Logan Intl to Palo Alto
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One-way flight from Boston Logan Intl to Palo Alto
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Boston to Palo Alto

Cheapest flights from Boston to Palo Alto
Explore the most affordable flight options available from Boston to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This Southwest deal was found by Cheapflights users on 1/6. 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.
Tue 1/276:50 amBOS - SFO
2 stops10h 30mSouthwest
Tue 2/36:05 amSFO - BOS
2 stops11h 45mSouthwest
Deal found 1/6$231
This United Airlines deal was found by Cheapflights users on 1/4. 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 1/287:55 amBOS - SFO
Nonstop6h 53mUnited Airlines
Mon 3/211:55 pmSFO - BOS
1 stop7h 50mUnited Airlines
Deal found 1/4$232
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 1/1310:56 amBOS - SFO
Nonstop6h 55mUnited Airlines
Wed 1/145:00 amSFO - BOS
1 stop7h 37mUnited Airlines
Deal found 1/6$233
This lastminute.com deal was found by Cheapflights users on 1/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:07 pmBOS - SFO
1 stop10h 15mJetBlue
Sun 2/13:25 pmSFO - BOS
Nonstop5h 33mJetBlue
Deal found 1/5$234
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 amBOS - SFO
1 stop18h 39mFrontier
Sun 3/111:09 pmSFO - BOS
1 stop23h 04mFrontier
Deal found 1/5$235
This Delta deal was found by Cheapflights users on 1/5. 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.
Sat 1/317:30 amBOS - SFO
1 stop13h 26mDelta
Wed 2/111:00 pmSFO - BOS
Nonstop5h 37mDelta
Deal found 1/5$236
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 3/65:45 amBOS - SFO
Nonstop6h 58mUnited Airlines
Sun 3/811:35 pmSFO - BOS
Nonstop5h 38mUnited Airlines
Deal found 1/6$237
This JetBlue deal was found by Cheapflights users on 1/5. 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 3/128:59 pmBOS - SFO
Nonstop6h 52mJetBlue
Mon 3/163:25 pmSFO - BOS
Nonstop5h 33mJetBlue
Deal found 1/5$238
This Southwest deal was found by Cheapflights users on 1/6. 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.
Wed 2/256:50 amBOS - SFO
2 stops10h 30mSouthwest
Fri 2/271:00 pmSFO - BOS
1 stop7h 50mSouthwest
Deal found 1/6$239
This Delta deal was found by Cheapflights users on 1/4. 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.
Tue 2/105:40 pmBOS - SFO
Nonstop7h 02mDelta
Tue 2/177:10 amSFO - BOS
Nonstop5h 39mDelta
Deal found 1/4$240
This JetBlue deal was found by Cheapflights users on 1/6. 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.
Wed 2/117:09 pmBOS - SFO
Nonstop6h 50mJetBlue
Tue 2/173:25 pmSFO - BOS
Nonstop5h 33mJetBlue
Deal found 1/6$241
This Delta deal was found by Cheapflights users on 1/6. 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.
Sun 1/257:50 amBOS - SFO
Nonstop7h 00mDelta
Wed 1/287:10 amSFO - BOS
Nonstop5h 41mDelta
Deal found 1/6$242

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 January 6, 2026.
Use the filters below to find and compare flights from Boston to Palo Alto that are best for you.

Fly from

Boston

Fly to

Palo Alto

Route

Depart

Return

Price

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 1/31

7:30 am-5:56 pm

1 stop13h 26m

San Francisco

Sat 2/7

7:10 am-3:51 pm

Nonstop5h 41m

$236

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 3/5

8:40 pm-12:31 am

Nonstop6h 51m

San Francisco

Mon 3/9

3:25 pm-11:58 pm

Nonstop5h 33m

$238

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 3/12

8:59 pm-12:51 am

Nonstop6h 52m

San Francisco

Mon 3/16

3:25 pm-11:58 pm

Nonstop5h 33m

$238

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 2/10

7:50 am-11:50 am

Nonstop7h 00m

San Francisco

Mon 2/16

7:10 am-3:49 pm

Nonstop5h 39m

$240

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 2/10

12:15 pm-9:20 pm

1 stop12h 05m

San Francisco

Mon 2/16

8:40 pm-5:11 am

Nonstop5h 31m

$243

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 1/21

5:40 pm-9:42 pm

Nonstop7h 02m

San Francisco

Sat 1/24

10:54 pm-9:09 am

1 stop7h 15m

$244

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Fri 3/6

5:45 am-9:43 am

Nonstop6h 58m

San Francisco

Sun 3/8

11:59 pm-10:49 am

1 stop7h 50m

$247

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 2/7

7:55 am-11:50 am

Nonstop6h 55m

San Francisco

Sat 2/14

7:06 pm-5:52 am

1 stop7h 46m

$250

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Sat 1/31

4:10 pm-12:22 am

1 stop11h 12m

San Francisco

Wed 2/4

8:30 pm-5:01 am

Nonstop5h 31m

$250

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 2/2

1:40 pm-10:49 pm

1 stop12h 09m

San Francisco

Sun 2/8

8:26 am-5:05 pm

Nonstop5h 39m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 24 results
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Best time to book a flight from Boston to Palo Alto

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

How far ahead should I book a flight from Boston to Palo Alto?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Palo Alto. Price data was last updated on January 2, 2026.

The price you pay for your flight from Boston to Palo Alto may vary depending on when you book. For the best chance of a lower fare, look to book 67 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 Boston to Palo Alto?

Currently, March is the cheapest month in which you can book a flight from Boston to Palo Alto (average of $101). Flying from Boston to Palo Alto in July is currently the most expensive (average of $188). 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 P4L?

Find hourly flight availability from Boston 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 January 6, 2026.

A simple way to save on the total cost of your ticket is to fly from Boston to Palo Alto in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boston to Palo Alto?

Use this chart to determine the cheapest time to fly round-trip from Boston to Palo Alto. Price data was last updated on January 3, 2026.

Travelers seeking maximum savings on their Boston to Palo Alto flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Palo Alto

Explore weekly flight availability from Boston 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 January 6, 2026.

The most flights from BOS to P4L are scheduled on a Tuesday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Boston to Palo Alto?

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 January 6, 2026.
Read through reviews of airlines operating flights from Boston to Palo Alto, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,651 reviews
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,019 reviews
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,825 reviews
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,135 reviews
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
JetBlue
7.2
Good
2,898 reviews
Alaska Airlines
8.0
Very good
11,651 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airport do you fly from for flights from Boston to Palo Alto?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Palo Alto. On average, Logan Intl has 18 outbound flights to Palo Alto per day from 9 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How popular is this Boston to Palo Alto flight route?

    Within the past month, 82 users have taken a look at flights from Boston Logan Intl to Palo Alto.

  • How long is the flight from Boston to Palo Alto?

    Airlines like Delta and JetBlue fly from Boston to Palo Alto in about 6h 51m. The time it takes to get you to your destination can typically vary by up to 6h 35m. The distance from Boston to Palo Alto is about 2696 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Boston to Palo Alto one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $72. JetBlue flights start at $113 while deals on Alaska Airlines start at $114 one-way.

  • What are the most reliable airlines from Boston to Palo Alto?

    Before booking your flight to Palo Alto from Boston, check out the most reliable airlines to get you to your destination on time: KLM (93%), Etihad Airways (82%), Hawaiian Airlines( 80%).

  • What are the cheapest flights from Boston to Palo Alto?

    While on average a flight from Boston to Palo Alto is generally $1,034, our data shows the cheapest flight currently is $120. When looking at the most popular route, (Boston Logan Intl - San Francisco), you can expect to pay $169 for that flight.

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

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

  • How can I find direct flights from Boston to Palo Alto?

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

  • Can I find deals for business class flights from Boston to Palo Alto?

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Palo Alto?

    Currently, March is the cheapest month in which you can book a flight from Boston to Palo Alto (average of $101). Flying from Boston to Palo Alto in July is currently the most expensive (average of $188). 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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Alternative routes for Boston to Palo Alto

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Top 9 airlines flying from Boston to Palo Alto

Discover the top 9 airlines that operate flights from Boston 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$92Average$218FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$129Average$324FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$153Average$430FlexibilityNo cancel feeOn-time63%
DeltaCheapest$171Average$373FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$197Average$327FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$197Average$342FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$207Average$367FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$217Average$380FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$395FlexibilityNo cancel feeOn-time69%

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