£353+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
27 Mar — 3 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 25 February 2026.

Wed 15/408:40
LHR
-
SFO
1 stop15h 35m
United Airlines
Thu 30/408:10
SFO
-
LHR
1 stop17h 50m
United Airlines
Deal found 24/2£368
Fri 22/509:25
LGW
-
SFO
1 stop14h 50m
SWISS
Wed 3/614:20
SFO
-
LGW
1 stop34h 05m
SWISS
Deal found 24/2£368
Mon 13/406:55
LHR
-
SFO
1 stop15h 35m
United Airlines
Mon 20/423:05
SFO
-
LHR
1 stop14h 30m
United Airlines
Deal found 21/2£369
Wed 22/409:20
LGW
-
SFO
1 stop14h 55m
SWISS
Mon 11/519:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 21/2£369
Sat 18/406:55
LHR
-
SFO
1 stop15h 35m
United Airlines
Fri 24/406:40
SFO
-
LHR
1 stop19h 00m
United Airlines
Deal found 23/2£370
Fri 17/409:25
LGW
-
SFO
1 stop14h 50m
SWISS
Mon 20/419:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 24/2£370
Tue 14/407:25
LHR
-
SFO
1 stop15h 05m
United Airlines
Tue 28/409:10
SFO
-
LHR
1 stop14h 30m
United Airlines
Deal found 24/2£370
Mon 20/409:25
LGW
-
SFO
1 stop14h 50m
SWISS
Mon 27/419:35
SFO
-
LGW
1 stop14h 15m
SWISS
Deal found 22/2£370
Tue 28/406:30
LHR
-
SFO
1 stop14h 10m
Lufthansa
Sat 9/512:45
SFO
-
LHR
1 stop13h 55m
Lufthansa
Deal found 24/2£371
Tue 8/909:25
LGW
-
SFO
1 stop14h 50m
SWISS
Sun 13/919:35
SFO
-
LGW
1 stop28h 45m
SWISS
Deal found 23/2£371
Wed 9/909:30
LHR
-
SFO
1 stop18h 20m
Lufthansa
Tue 15/914:25
SFO
-
LHR
1 stop13h 55m
Lufthansa
Deal found 21/2£372
Fri 20/306:35
LHR
-
SFO
1 stop21h 00m
Lufthansa
Tue 7/419:30
SFO
-
LHR
Nonstop10h 40m
Lufthansa
Deal found 23/2£373

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 25 February 2026.

Return from

£368

One-way from

£352

Popular in

July

Cheapest in

February

Average price

£418
United Airlines
  • United Airlines
  • 15/4-30/4
  • 2 total stops
  • 33h 25m total
  • London to San Francisco
SWISS
  • SWISS
  • 23/4
  • 1 total stop
  • 14h 50m 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 25 February 2026.
Use the filters below to find and compare flights to Palo Alto that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 18/4

07:25-14:30

1 stop15h 05m

San Francisco

Fri 24/4

12:50-07:25

Nonstop10h 35m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 22/4

06:30-12:40

1 stop14h 10m

San Francisco

Tue 28/4

19:30-14:10

Nonstop10h 40m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

07:30-15:25

1 stop15h 55m

San Francisco

Fri 8/5

07:15-10:10

1 stop18h 55m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 23/3

07:40-20:35

1 stop19h 55m

San Francisco

Fri 3/4

20:53-09:40

1 stop28h 47m

£374

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 20/5

08:40-16:15

1 stop15h 35m

San Francisco

Mon 25/5

13:00-07:25

Nonstop10h 25m

£379

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 19/4

10:35-13:40

Nonstop11h 05m

San Francisco

Sun 26/4

12:50-07:25

Nonstop10h 35m

£393

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 8/5

10:35-13:40

Nonstop11h 05m

San Francisco

Fri 15/5

12:50-07:25

Nonstop10h 35m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 23/4

06:30-15:59

2 stops17h 29m

San Francisco

Fri 8/5

05:55-15:35

1 stop25h 40m

£410

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Fri 24/4

17:10-14:40

3 stops29h 30m

San Francisco

Mon 27/4

16:45-22:50

2 stops22h 05m

£494

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 29/5

18:25-21:20

Nonstop10h 55m

San Francisco

Fri 5/6

23:15-17:30

Nonstop10h 15m

£498

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 60 results
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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 14 hours 25 minutes. 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 25 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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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.

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

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 (10 hours 55 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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Why should you use Cheapflights to find cheap flight tickets to Palo Alto?

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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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