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£383+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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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 21 November 2025.

Fri 5/1206:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Sun 7/1216:40SFO - LHR
1 stop17h 00mScandinavian Airlines
Deal found 19/11£436
Fri 12/1219:50LHR - SFO
2 stops26h 45mScandinavian Airlines
Sun 11/116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 19/11£438
Sat 6/1206:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 12/116:40SFO - LHR
2 stops18h 10mScandinavian Airlines
Deal found 19/11£439
Sun 7/1213:40LHR - SFO
1 stop32h 55mTAP AIR PORTUGAL
Mon 19/116:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 19/11£440
Sun 23/1110:40LGW - SFO
1 stop35h 55mTAP AIR PORTUGAL
Sat 29/1116:35SFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Deal found 19/11£441
Sat 22/1106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 20/11£441
Mon 24/1106:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Fri 5/1219:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 20/11£443
Mon 24/1106:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Mon 1/1216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 20/11£444
Thu 4/1221:05LHR - SFO
2 stops25h 30mScandinavian Airlines
Mon 8/1216:40SFO - LHR
2 stops15h 45mScandinavian Airlines
Deal found 18/11£444
Thu 4/1206:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 19/116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 19/11£446
Mon 8/1206:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Fri 16/116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 19/11£448
Mon 24/1121:25LGW - SFO
2 stops49h 05mTAP AIR PORTUGAL
Mon 1/1216:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 19/11£456

Flights to Palo Alto in 2025

Find the latest flights to Palo Alto in 2025, 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 21 November 2025.

Return from

£436

One-way from

£383

Popular in

July

Cheapest in

September

Average price

£467
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/12-7/12
  • 2 total stops
  • 32h 55m total
  • London to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 4/1
  • Nonstop
  • 11h 15m total
  • London to Palo Alto
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 21 November 2025.
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 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-16:00

1 stop15h 20m

£436

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 4/3

17:00-14:35

1 stop29h 35m

San Francisco

Mon 16/3

17:40-18:30

1 stop17h 50m

£445

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 24/3

16:35-15:30

1 stop29h 55m

San Francisco

Tue 31/3

16:35-09:45

1 stop33h 10m

£458

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 6/12

06:40-14:35

1 stop15h 55m

San Francisco

Mon 29/12

16:40-21:40

1 stop21h 00m

£459

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/12

17:00-14:35

1 stop29h 35m

San Francisco

Sun 28/12

16:40-21:40

1 stop21h 00m

£459

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 18/2

06:30-11:50

1 stop13h 20m

San Francisco

Sun 22/2

16:30-10:40

Nonstop10h 10m

£463

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 13/1

09:00-16:30

1 stop15h 30m

San Francisco

Tue 20/1

08:35-08:25

1 stop15h 50m

£468

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 4/2

09:00-16:30

1 stop15h 30m

San Francisco

Wed 18/2

06:50-09:40

1 stop18h 50m

£470

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

08:30-15:35

1 stop15h 05m

San Francisco

Tue 27/1

17:20-21:20

1 stop20h 00m

£476

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 12/1

08:30-15:35

1 stop15h 05m

San Francisco

Mon 26/1

17:20-21:20

1 stop20h 00m

£477

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 60 results
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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 14 November 2025.

The best time to book flights to Palo Alto is 51 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 34 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.

When is the cheapest time to fly to Palo Alto?

Use this chart to determine the cheapest time to fly return from London to Palo Alto. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Palo Alto should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

Weekly flight availability to Palo Alto

The most flights from London to Palo Alto are scheduled on a Tuesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (25 on average).

What are the most popular airlines that fly to Palo Alto?

The most popular airlines flying from London to Palo Alto are Virgin Atlantic, British Airways and Lufthansa.

British Airways
British Airways
From £326
Virgin Atlantic
Virgin Atlantic
From £378
Lufthansa
Lufthansa
From £390
United Airlines
United Airlines
From £350

What are the cheapest airlines that fly to Palo Alto?

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

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 21 November 2025.
Read through reviews of airlines serving the United States, such as KLM, 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.
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,416 reviews
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
674 reviews
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,030 reviews
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,579 reviews
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,534 reviews
KLM
7.7
Good
1,416 reviews
Check prices

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £147, however they can be found for as little as £93.

  • 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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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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