£405+ Cheap flights to Palo Alto

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Return from

£405

One-way from

£420

Popular in

July

Cheapest in

February

Average price

£670
British Airways
  • British Airways
  • 3/9-17/9
  • Nonstop
  • 21h 35m total
  • London to San Francisco
Aer Lingus
  • Aer Lingus
  • 12/12
  • 1 total stop
  • 13h 45m total
  • London to Palo Alto
Highest demand for flights based on searches. 17% potential increase in price (£79 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to Palo Alto

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 18 July 2025.

Wed 3/914:15LHR - SFO
Nonstop11h 10mBritish Airways
Wed 1/1016:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 16/7£405
Mon 24/1113:30LCY - SFO
1 stop34h 55mSWISS
Sat 6/1219:25SFO - LCY
1 stop33h 25mSWISS
Deal found 16/7£405
Sun 24/809:30LHR - SFO
2 stops19h 21mFinnair
Tue 9/908:00SFO - LHR
1 stop18h 50mFinnair
Deal found 16/7£406
Wed 5/1108:55LHR - SFO
2 stops19h 55mAir Canada
Fri 21/1108:25SFO - LHR
2 stops18h 55mAir Canada
Deal found 16/7£407
Thu 23/1010:20LHR - SFO
1 stop14h 10mScandinavian Airlines
Thu 6/1116:40SFO - LHR
2 stops18h 10mScandinavian Airlines
Deal found 17/7£408
Mon 6/1016:25LGW - SFO
1 stop29h 10mTAP AIR PORTUGAL
Sat 18/1019:20SFO - LGW
2 stops17h 05mTAP AIR PORTUGAL
Deal found 17/7£408
Sun 24/816:25LHR - SFO
Nonstop11h 05mVirgin Atlantic
Tue 9/921:20SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 18/7£409
Sun 7/918:40LGW - SFO
1 stop29h 30mSWISS
Sun 14/919:30SFO - LGW
1 stop14h 20mSWISS
Deal found 17/7£409
Sun 24/814:45LGW - SFO
2 stops27h 49mMultiple Airlines
Mon 8/922:43SFO - LGW
1 stop25h 27mMultiple Airlines
Deal found 17/7£410
Sun 24/810:35LHR - SFO
Nonstop11h 00mUnited Airlines
Tue 9/916:05SFO - LHR
Nonstop10h 20mUnited Airlines
Deal found 18/7£410
Mon 15/908:45LCY - SFO
1 stop19h 10mMultiple Airlines
Wed 24/919:30SFO - LCY
1 stop33h 00mMultiple Airlines
Deal found 17/7£411
Sun 24/806:30LHR - SFO
1 stop17h 25mMultiple Airlines
Tue 9/919:55SFO - LHR
Nonstop10h 15mMultiple Airlines
Deal found 18/7£414

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 18 July 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

Wed 3/9

14:15-17:25

Nonstop11h 10m

San Francisco

Wed 17/9

16:30-10:55

Nonstop10h 25m

£405

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 24/11

13:30-16:25

1 stop34h 55m

San Francisco

Sat 6/12

19:25-12:50

1 stop33h 25m

£405

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 24/8

09:30-20:51

2 stops19h 21m

San Francisco

Tue 9/9

08:00-10:50

1 stop18h 50m

£406

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 5/11

08:55-20:50

2 stops19h 55m

San Francisco

Fri 21/11

08:25-11:20

2 stops18h 55m

£407

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 23/10

10:20-16:30

1 stop14h 10m

San Francisco

Thu 6/11

16:40-18:50

2 stops18h 10m

£408

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 6/10

16:25-13:35

1 stop29h 10m

San Francisco

Sat 18/10

19:20-20:25

2 stops17h 05m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 24/8

16:25-19:30

Nonstop11h 05m

San Francisco

Tue 9/9

21:20-15:40

Nonstop10h 20m

£409

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 7/9

18:40-16:10

1 stop29h 30m

San Francisco

Sun 14/9

19:30-17:50

1 stop14h 20m

£409

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 24/8

14:45-10:34

2 stops27h 49m

San Francisco

Mon 8/9

22:43-08:10

1 stop25h 27m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 24/8

10:35-13:35

Nonstop11h 00m

San Francisco

Tue 9/9

16:05-10:25

Nonstop10h 20m

£410

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 46 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 11 July 2025.

The best time to book flights to Palo Alto is 86 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 26 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 Monday (43 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (37 on average).

What are the cheapest airlines that fly to Palo Alto?

The cheapest airlines flying from London to Palo Alto are Delta, TAP AIR PORTUGAL and Scandinavian 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 18 July 2025.
Read through reviews of airlines serving the United States, such as Delta, Austrian Airlines, andFinnair. 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

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 £88, however they can be found for as little as £86.

  • 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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