£379+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Palo Alto

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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 7 November 2025.

Wed 26/1106:00LHR - SFO
1 stop16h 30mTAP AIR PORTUGAL
Wed 3/1216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 6/11£396
Mon 24/1106:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Sat 29/1116:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 5/11£402
Sat 8/1106:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Fri 14/1119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 4/11£408
Sat 6/1206:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Mon 12/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 5/11£409
Thu 4/1216:30LHR - SFO
1 stop31h 35mTAP AIR PORTUGAL
Wed 10/1216:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 5/11£409
Tue 9/1210:40LGW - SFO
1 stop35h 50mTAP AIR PORTUGAL
Fri 9/119:10SFO - LGW
1 stop30h 40mTAP AIR PORTUGAL
Deal found 5/11£410
Sat 6/1206:00LHR - SFO
1 stop16h 45mTAP AIR PORTUGAL
Mon 2/216:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 6/11£411
Sun 23/1110:40LGW - SFO
1 stop35h 55mTAP AIR PORTUGAL
Sat 6/1216:35SFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Deal found 7/11£412
Tue 9/1208:15LHR - SFO
1 stop38h 15mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop15h 45mTAP AIR PORTUGAL
Deal found 5/11£413
Thu 4/1216:00LGW - SFO
1 stop32h 05mTAP AIR PORTUGAL
Mon 8/1216:35SFO - LGW
2 stops20h 00mTAP AIR PORTUGAL
Deal found 7/11£415
Sun 23/1119:55LHR - SFO
1 stop26h 40mTAP AIR PORTUGAL
Sat 6/1216:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 6/11£415
Thu 4/1217:30LHR - SFO
2 stops29h 05mScandinavian Airlines
Mon 8/1216:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 5/11£419

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 7 November 2025.

Return from

£396

One-way from

£379

Popular in

July

Cheapest in

September

Average price

£462
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 26/11-3/12
  • 2 total stops
  • 33h 25m total
  • London to San Francisco
11/12
  • 11/12
  • 1 total stop
  • 34h 00m total
  • London to Palo Alto
Highest demand for flights based on searches. 14% potential increase in price (£85 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for return flights in November 2025

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 7 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

Mon 2/3

06:40-14:35

1 stop15h 55m

San Francisco

Tue 10/3

17:40-18:50

2 stops18h 10m

£435

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

06:40-14:35

1 stop15h 55m

San Francisco

Sun 1/3

16:40-17:40

1 stop17h 00m

£435

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/3

15:35-14:35

2 stops31h 00m

San Francisco

Mon 16/3

17:40-16:25

2 stops15h 45m

£438

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 17/3

06:40-15:35

1 stop15h 55m

San Francisco

Tue 24/3

17:40-16:00

1 stop15h 20m

£441

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 11/3

17:00-15:35

1 stop29h 35m

San Francisco

Sun 22/3

17:40-17:40

1 stop17h 00m

£442

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 4/2

09:35-16:05

2 stops62h 30m

San Francisco

Wed 18/2

16:35-09:50

1 stop33h 15m

£443

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 20/4

19:30-14:40

1 stop27h 10m

San Francisco

Mon 27/4

16:45-17:40

1 stop16h 55m

£447

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 24/11

06:30-15:35

1 stop17h 05m

San Francisco

Mon 1/12

17:20-21:20

1 stop20h 00m

£450

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Mon 8/12

06:30-15:35

1 stop17h 05m

San Francisco

Mon 15/12

17:20-14:20

1 stop13h 00m

£450

LondonSan Francisco

STN - SFO

STNSFO

London Stansted

Sat 22/11

06:30-15:35

1 stop17h 05m

San Francisco

Mon 8/12

17:20-21:20

1 stop20h 00m

£457

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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 31 October 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 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.

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 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 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 7 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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Overall

7.7

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Crew

8.4

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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