£356+ Cheap flights to Palo Alto

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
30 Mar — 6 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Palo Alto in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Palo Alto
Explore the most affordable flight options available to Palo Alto. Find the lowest fares based on data from user searches, with prices last updated on 28 February 2026.

Fri 20/311:10
LHR
-
SFO
1 stop16h 25m
United Airlines
Sat 28/320:52
SFO
-
LHR
1 stop28h 48m
United Airlines
Deal found 26/2£368
Fri 1/509:25
LGW
-
SFO
1 stop15h 00m
SWISS
Sun 3/519:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 27/2£368
Sat 18/406:55
LHR
-
SFO
1 stop15h 35m
United Airlines
Sat 25/419:30
SFO
-
LHR
Nonstop10h 40m
United Airlines
Deal found 28/2£369
Wed 6/509:20
LGW
-
SFO
1 stop14h 55m
SWISS
Sun 10/519:35
SFO
-
LGW
1 stop28h 45m
SWISS
Deal found 26/2£369
Thu 16/409:25
LGW
-
SFO
1 stop14h 50m
SWISS
Sat 25/419:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 27/2£371
Fri 20/306:35
LHR
-
SFO
1 stop21h 00m
United Airlines
Tue 7/416:35
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 27/2£371
Wed 15/409:20
LGW
-
SFO
1 stop14h 55m
SWISS
Wed 29/419:35
SFO
-
LGW
1 stop14h 20m
SWISS
Deal found 25/2£371
Wed 8/408:40
LHR
-
SFO
1 stop15h 35m
United Airlines
Mon 20/412:00
SFO
-
LHR
1 stop14h 10m
United Airlines
Deal found 27/2£372
Wed 9/909:20
LGW
-
SFO
1 stop14h 55m
SWISS
Tue 15/919:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 25/2£372
Wed 8/408:40
LHR
-
SFO
1 stop15h 35m
United Airlines
Sun 19/419:30
SFO
-
LHR
Nonstop10h 40m
United Airlines
Deal found 27/2£373
Wed 15/409:20
LGW
-
SFO
1 stop14h 55m
SWISS
Sun 26/419:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 28/2£374
Fri 13/309:20
LCY
-
SFO
1 stop15h 10m
SWISS
Wed 18/320:25
SFO
-
LCY
1 stop13h 40m
SWISS
Deal found 25/2£374

Find flight deals to Palo Alto

Find the latest flights to Palo Alto in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 28 February 2026.

Return from

£368

One-way from

£356

Popular in

July

Cheapest in

February

Average price

£418
United Airlines
  • United Airlines
  • 20/3-28/3
  • 2 total stops
  • 45h 13m total
  • London to San Francisco
Aer Lingus
  • Aer Lingus
  • 25/4
  • 1 total stop
  • 16h 15m total
  • London to Palo Alto
Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for return flights in February 2026

Cheapflights Fare Finder

 
Locate flights to Palo Alto that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 28 February 2026.
Use the filters below to find and compare flights to Palo Alto that are best for you.

Fly from

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 4/5

07:25-14:30

1 stop15h 05m

San Francisco

Fri 3/7

13:00-07:25

Nonstop10h 25m

£377

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 10/3

06:00-17:30

1 stop18h 30m

San Francisco

Tue 17/3

20:25-21:25

2 stops18h 00m

£382

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/4

07:25-14:30

1 stop15h 05m

San Francisco

Fri 17/4

19:30-14:10

Nonstop10h 40m

£382

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/3

12:05-22:58

1 stop17h 53m

San Francisco

Mon 30/3

13:20-13:20

1 stop16h 00m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

16:15-19:20

Nonstop11h 05m

San Francisco

Fri 8/5

12:50-07:25

Nonstop10h 35m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 20/4

13:00-16:10

Nonstop11h 10m

San Francisco

Thu 7/5

12:50-07:25

Nonstop10h 35m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/4

10:35-13:40

Nonstop11h 05m

San Francisco

Fri 17/4

16:35-11:10

Nonstop10h 35m

£406

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 22/6

13:00-16:05

Nonstop11h 05m

San Francisco

Mon 6/7

06:15-09:40

1 stop19h 25m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 23/5

10:35-13:35

Nonstop11h 00m

San Francisco

Fri 5/6

13:00-07:25

Nonstop10h 25m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

11:25-23:02

2 stops19h 37m

San Francisco

Thu 2/7

19:56-12:20

1 stop32h 24m

£411

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight to Palo Alto

Have a flexible travel schedule? Discover the best time to fly to Palo Alto with our price prediction graph.
Estimated return 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 to Palo Alto

When is the best time to book a flight to Palo Alto?

Use this chart to determine the optimal time to book a return flight from London to Palo Alto. Price data was last updated on 20 February 2026.

The best time to book flights to Palo Alto is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Palo Alto?

On average, a flight from London to Palo Alto takes 15 hours 1 minute. Flights to Palo Alto from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Palo Alto

The most flights from London to Palo Alto are scheduled on a Monday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).

What are the cheapest airlines that fly to Palo Alto?

The cheapest airlines flying from London to Palo Alto are Delta, Air Canada and United Airlines.

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 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Palo Alto when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 28 February 2026.
Read through reviews of airlines serving the United States, such as Austrian Airlines, Virgin Atlantic, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

FAQs about flying to Palo Alto

  • Can I find cheaper flights to Palo Alto if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Palo Alto on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Palo Alto?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Palo Alto.

  • How much is a return flight to Palo Alto?

    A return flight to Palo Alto will typically cost around £114, however they can be found for as little as £61.

  • Where does the fastest flight to Palo Alto depart from?

    For those looking to save time traveling to Palo Alto, London offers the quickest one-way flight (11 hours 0 minutes).

  • Does San Francisco have car hire?

    Yes. Those touching down at San Francisco can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Francisco?

    Yes. San Francisco has hotels nearby for those requiring accommodations. Grand Hyatt At Sfo is the closest property to San Francisco (1.0 mi away from San Francisco).

See more FAQs

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How does Cheapflights help users find flights to Palo Alto?

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Why should you use Cheapflights to find cheap flight tickets to Palo Alto?

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Can Cheapflights find flights to Palo Alto with no change fees?

Certainly. Search results for flights to Palo Alto shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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