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£399+ 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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
31 May — 7 Jun1
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 1 May 2026.

Fri 15/511:05
LHR
-
SFO
1 stop18h 15m
United Airlines
Sun 31/523:59
SFO
-
LHR
1 stop13h 36m
United Airlines
Deal found 28/4£459
Fri 15/513:00
LHR
-
SFO
Nonstop11h 10m
United Airlines
Fri 29/523:59
SFO
-
LHR
1 stop13h 26m
United Airlines
Deal found 28/4£460
Mon 29/617:45
LHR
-
SFO
1 stop14h 21m
Delta
Tue 14/706:00
SFO
-
LHR
1 stop16h 25m
Delta
Deal found 30/4£464
Thu 2/717:45
LHR
-
SFO
1 stop14h 21m
Delta
Sun 12/707:00
SFO
-
LHR
1 stop17h 50m
Delta
Deal found 30/4£469
Mon 7/906:30
LHR
-
SFO
1 stop13h 15m
Virgin Atlantic
Mon 14/912:20
SFO
-
LHR
1 stop14h 20m
Virgin Atlantic
Deal found 27/4£474
Tue 30/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Mon 13/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 30/4£478
Wed 16/1210:05
LHR
-
SFO
Nonstop11h 15m
United Airlines
Mon 4/112:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 29/4£479
Tue 5/506:55
LHR
-
SFO
1 stop15h 35m
Lufthansa
Tue 12/512:45
SFO
-
LHR
1 stop13h 55m
Lufthansa
Deal found 28/4£480
Tue 12/507:45
LHR
-
SFO
1 stop16h 56m
United Airlines
Fri 29/521:15
SFO
-
LHR
1 stop16h 10m
United Airlines
Deal found 28/4£481
Wed 24/607:45
LHR
-
SFO
1 stop18h 19m
United Airlines
Mon 3/819:50
SFO
-
LHR
Nonstop10h 20m
United Airlines
Deal found 30/4£482
Wed 6/507:25
LHR
-
SFO
1 stop15h 05m
Lufthansa
Fri 15/521:05
SFO
-
LHR
1 stop14h 35m
Lufthansa
Deal found 27/4£483
Mon 7/910:45
LHR
-
SFO
Nonstop11h 05m
Iberia
Mon 14/919:30
SFO
-
LHR
Nonstop10h 25m
Iberia
Deal found 27/4£484

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 1 May 2026.

Return from

£459

One-way from

£399

Popular in

December

Cheapest in

February

Average price

£495
United Airlines
  • United Airlines
  • 15/5-31/5
  • 2 total stops
  • 31h 51m total
  • London to San Francisco
Search Deals
15/5
  • 15/5
  • 1 total stop
  • 22h 45m total
  • London to Palo Alto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
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 1 May 2026.
Use the filters below to find and compare flights to Palo Alto that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 28/9

06:30-11:45

1 stop13h 15m

San Francisco

Mon 5/10

13:35-10:00

1 stop12h 25m

£522

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 30/5

09:20-21:04

1 stop19h 44m

San Francisco

Sat 6/6

05:50-07:10

1 stop17h 20m

£526

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 30/8

06:30-11:45

1 stop13h 15m

San Francisco

Sun 6/9

18:50-17:35

1 stop14h 45m

£531

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 2/7

18:30-21:25

Nonstop10h 55m

San Francisco

Thu 23/7

15:27-13:05

1 stop13h 38m

£548

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 27/10

19:50-15:35

2 stops26h 45m

San Francisco

Tue 3/11

16:40-18:50

2 stops18h 10m

£548

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 11/8

17:50-11:45

1 stop25h 55m

San Francisco

Tue 18/8

05:36-09:30

2 stops19h 54m

£562

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 9/9

16:25-14:30

1 stop30h 05m

San Francisco

Tue 15/9

19:20-09:45

2 stops30h 25m

£566
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 26/9

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 3/10

23:15-17:30

Nonstop10h 15m

£568

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 11/8

19:00-11:45

1 stop24h 45m

San Francisco

Thu 20/8

15:00-17:20

2 stops18h 20m

£569

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Fri 22/5

06:20-15:50

1 stop17h 30m

San Francisco

Fri 29/5

17:35-00:30

1 stop22h 55m

£570

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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

How long is the flight to Palo Alto?

On average, a flight from London to Palo Alto takes 14 hours 32 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 Wednesday (42 on average). You will have fewer flight options on Friday, 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.

Virgin Atlantic
Virgin Atlantic
From £366
British Airways
British Airways
From £341
Lufthansa
Lufthansa
From £371
United Airlines
United Airlines
From £357

What are the cheapest airlines that fly to Palo Alto?

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

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 1 May 2026.
Read through reviews of airlines serving the United States, such as Austrian Airlines,United Airlines, andVirgin Atlantic. 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.
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
912 reviews
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,677 reviews
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.4
Good
688 reviews
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,964 reviews
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,937 reviews
Austrian Airlines
7.6
Good
912 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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, Iberia 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 £540, 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 (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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Can Cheapflights find flights to Palo Alto with no change fees?

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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