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£392+ 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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
8 Apr — 15 Apr1
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 3 April 2025.

Return from

£399

One-way from

£394

Popular in

July

Cheapest in

February

Average price

£488
KLM
  • KLM
  • 28/4-11/5
  • 1 total stop
  • 23h 35m total
  • London to San Francisco
28/4
  • 28/4
  • 3 total stops
  • 31h 30m total
  • London to Palo Alto
Highest demand for flights based on searches. 18% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for return flights in April 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 3 April 2025.

Mon 28/406:30LHR - SFO
1 stop13h 15mKLM
Sun 11/516:05SFO - LHR
Nonstop10h 20mKLM
Deal found 2/4£399
Mon 28/408:40LHR - SFO
1 stop15h 30mMultiple Airlines
Wed 21/512:55SFO - LHR
Nonstop10h 30mMultiple Airlines
Deal found 2/4£401
Fri 2/516:25LHR - SFO
Nonstop11h 05mAir France
Fri 9/521:20SFO - LHR
Nonstop10h 20mAir France
Deal found 2/4£406
Tue 6/518:35LGW - SFO
1 stop29h 35mSWISS
Wed 14/519:30SFO - LGW
1 stop14h 25mSWISS
Deal found 2/4£408
Mon 28/408:40LHR - SFO
1 stop15h 30mSWISS
Tue 13/519:30SFO - LHR
1 stop14h 20mSWISS
Deal found 2/4£412
Thu 15/510:25LGW - SFO
2 stops20h 01mFinnair
Thu 22/510:10SFO - LGW
2 stops15h 10mFinnair
Deal found 2/4£412
Thu 1/507:25LHR - SFO
1 stop15h 10mLufthansa
Mon 5/512:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 2/4£414
Thu 1/508:40LHR - SFO
2 stops19h 15mAir Canada
Wed 7/508:35SFO - LHR
2 stops17h 25mAir Canada
Deal found 2/4£415
Mon 6/1016:25LGW - SFO
1 stop30h 10mTAP AIR PORTUGAL
Mon 20/1016:20SFO - LGW
1 stop15h 15mTAP AIR PORTUGAL
Deal found 1/4£417
Mon 8/909:05LHR - SFO
2 stops41h 23mAustrian Airlines
Thu 18/913:05SFO - LHR
Nonstop10h 20mAustrian Airlines
Deal found 2/4£418
Tue 6/517:50LCY - SFO
1 stop30h 20mSWISS
Wed 14/519:30SFO - LCY
1 stop15h 15mSWISS
Deal found 2/4£418
Mon 28/406:30LHR - SFO
1 stop13h 15mDelta
Mon 19/513:45SFO - LHR
1 stop16h 30mDelta
Deal found 2/4£419

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 3 April 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 28/4

08:40-16:10

1 stop15h 30m

San Francisco

Wed 21/5

12:55-07:25

Nonstop10h 30m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 6/5

16:25-19:30

Nonstop11h 05m

San Francisco

Wed 14/5

21:20-15:40

Nonstop10h 20m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 29/4

08:45-16:10

1 stop15h 25m

San Francisco

Tue 6/5

19:30-17:50

1 stop14h 20m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 25/4

06:30-16:05

1 stop17h 35m

San Francisco

Fri 2/5

12:55-07:25

Nonstop10h 30m

£404

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 2/5

16:25-19:30

Nonstop11h 05m

San Francisco

Fri 9/5

21:20-15:40

Nonstop10h 20m

£406

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 30/4

11:15-14:15

Nonstop11h 00m

San Francisco

Thu 8/5

16:05-10:25

Nonstop10h 20m

£408

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 6/5

18:35-16:10

1 stop29h 35m

San Francisco

Wed 14/5

19:30-17:55

1 stop14h 25m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 1/5

08:40-16:10

1 stop15h 30m

San Francisco

Mon 5/5

15:55-10:25

Nonstop10h 30m

£411

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 15/5

10:25-22:26

2 stops20h 01m

San Francisco

Thu 22/5

10:10-09:20

2 stops15h 10m

£412

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 6/5

17:50-16:10

1 stop30h 20m

San Francisco

Wed 14/5

19:30-18:45

1 stop15h 15m

£418

Flights are sorted by cheapest return flights first.

Deals found on 1/4

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 28 March 2025.

The best time to book flights to Palo Alto is 60 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 18 hours 21 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 21 April 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 (37 on average). You will have fewer flight options on Sunday, 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 TAP AIR PORTUGAL.

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 3 April 2025.
Peruse reviews from past customers who have flown Delta, Air New Zealand and KLM to Palo Alto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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 £42, however they can be found for as little as £37.

  • 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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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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