£374+ 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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
10 May — 17 May1
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 10 April 2026.

Wed 24/617:45
LHR
-
SFO
1 stop14h 14m
Delta
Wed 5/807:00
SFO
-
LHR
1 stop15h 45m
Delta
Deal found 8/4£424
Thu 1/1014:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 13/1016:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 7/4£432
Wed 24/610:45
LHR
-
SFO
1 stop18h 14m
Delta
Sun 2/817:30
SFO
-
LHR
1 stop14h 05m
Delta
Deal found 8/4£453
Wed 24/610:45
LHR
-
SFO
1 stop18h 14m
Delta
Thu 6/811:30
SFO
-
LHR
1 stop14h 50m
Delta
Deal found 8/4£464
Sun 30/810:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Wed 9/919:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 8/4£470
Thu 1/1014:10
LHR
-
SFO
1 stop18h 24m
United Airlines
Tue 13/1019:55
SFO
-
LHR
Nonstop10h 15m
United Airlines
Deal found 7/4£470
Mon 11/506:30
LHR
-
SFO
1 stop13h 15m
Virgin Atlantic
Wed 27/513:00
SFO
-
LHR
1 stop13h 40m
Virgin Atlantic
Deal found 8/4£472
Wed 22/416:15
LHR
-
SFO
Nonstop11h 05m
United Airlines
Tue 23/605:00
SFO
-
LHR
1 stop18h 55m
United Airlines
Deal found 7/4£476
Wed 24/608:00
LHR
-
SFO
1 stop19h 24m
United Airlines
Tue 4/822:35
SFO
-
LHR
1 stop14h 05m
United Airlines
Deal found 8/4£487
Fri 24/406:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sun 3/516:45
SFO
-
LHR
2 stops15h 40m
Scandinavian Airlines
Deal found 8/4£487
Wed 24/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Mon 3/808:10
SFO
-
LHR
1 stop17h 50m
Air Canada
Deal found 8/4£490
Mon 4/506:30
STN
-
SFO
1 stop17h 20m
Multiple Airlines
Wed 13/517:40
SFO
-
STN
1 stop21h 40m
Multiple Airlines
Deal found 7/4£505

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 10 April 2026.

Return from

£424

One-way from

£374

Popular in

December

Cheapest in

February

Average price

£487
Delta
  • Delta
  • 24/6-5/8
  • 2 total stops
  • 29h 59m total
  • London to San Francisco
15/5
  • 15/5
  • 1 total stop
  • 20h 20m total
  • London to Palo Alto
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in April 2026

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 10 April 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

Tue 28/4

12:45-15:45

Nonstop11h 00m

San Francisco

Thu 7/5

17:55-12:15

Nonstop10h 20m

£543

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 6/5

10:05-19:15

1 stop17h 10m

San Francisco

Sun 10/5

21:45-21:40

1 stop15h 55m

£552

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Fri 15/5

06:20-15:50

1 stop17h 30m

San Francisco

Thu 21/5

17:35-16:45

1 stop15h 10m

£553

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 11/5

06:30-11:45

1 stop13h 15m

San Francisco

Mon 18/5

13:25-10:00

1 stop12h 35m

£553

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 29/4

06:30-11:45

1 stop13h 15m

San Francisco

Wed 6/5

23:15-17:30

Nonstop10h 15m

£560
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 2/5

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 9/5

23:15-17:30

Nonstop10h 15m

£561

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 20/4

14:25-14:40

2 stops32h 15m

San Francisco

Mon 27/4

16:45-22:50

2 stops22h 05m

£563

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 29/4

06:30-11:45

1 stop13h 15m

San Francisco

Wed 6/5

12:15-10:20

1 stop14h 05m

£564

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 12/6

06:30-11:45

1 stop13h 15m

San Francisco

Tue 7/7

09:20-10:15

1 stop16h 55m

£569

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

12:45-15:45

Nonstop11h 00m

San Francisco

Fri 8/5

20:29-17:35

1 stop13h 06m

£569

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 3 April 2026.

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 15 hours 4 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 Monday (37 on average). You will have fewer flight options on Monday, 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, 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 10 April 2026.
Read through reviews of airlines serving the United States, such as Austrian Airlines,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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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.

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Food

6.8

Overall

7.6

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 £109, however they can be found for as little as £58.

  • 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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