Are direct flights from San Jose to London always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the most economical choice. Flights with one or more connections can sometimes be significantly cheaper. Consider your budget and time constraints when deciding between direct and connecting flights.

Can flexible travel dates help on San Jose to London flights?

Absolutely, having flexible travel dates can significantly impact the price of your flight. Mid-week travel or flying during off-peak seasons often results in lower fares compared to weekends or major holidays. Adjusting your departure or return by even a day or two may unlock better deals.

What extra costs should I check before booking San Jose to London flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs, especially with basic economy fares. Also, consider the price of ground transportation to and from the airports at both ends of your journey. These can add up quickly.

Flights From San Jose

To London

Cheap Flights from San Jose to London

Browse current best options from San Jose. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Jose

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from San Jose to London

Explore current cheapest deals departing from San Jose to London

2026-11-17 – 2026-11-26
SJC - London
71% AI deal score
$617
$748
Round trip
2026-11-24 – 2026-11-26
SJC - London
71% AI deal score
$667
$748
Round trip
2026-11-17 – 2026-11-20
SJC - London
71% AI deal score
$676
$748
Round trip
2026-11-17 – 2026-11-21
SJC - London
71% AI deal score
$675
$755
Round trip
2026-11-09 – 2026-11-23
SJC - London
73% AI deal score
$696
$766
Round trip
2026-11-17 – 2026-11-24
SJC - London
71% AI deal score
$634
$798
Round trip
2026-11-10 – 2026-11-19
SJC - London
69% AI deal score
$619
$804
Round trip
2026-11-12 – 2026-11-19
SJC - London
68% AI deal score
$633
$832
Round trip
2026-11-12 – 2026-11-24
SJC - London
70% AI deal score
$603
$836
Round trip
2026-11-12 – 2026-11-20
SJC - London
70% AI deal score
$616
$836
Round trip

San Jose to London: Overview

Insights for flights from San Jose to London

A typical journey from San Jose to London, including connections, takes about 19h 35m. This is a long-haul route covering a substantial distance, and most itineraries involve multiple stops. Travelers should account for this extended travel time when planning their trip.

For travelers seeking cheap flights from San Jose to London, the prices right now are below the typical level. Fares typically range from $712–$1057, with a median of $870. New deals show up several times a week, so monitoring prices can be beneficial.

The cheapest time to fly from San Jose to London is often in September, with a median fare of $440. Other cost-effective months include July, where the median fare is $515, and December, with a median fare of $691. Planning your travel during these months can lead to significant savings.

Most itineraries from San Jose to London connect at least once, with 0% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means you should expect to make at least two stops on your journey to London.

How much is a round trip from San Jose to London

Regular price: $581 - $696

Prices for flights from San Jose to London are currently above the regular range.

The regular price range for this route is typically between $581 and $696. The current lowest deal is $735 with Alaska Airlines, Inc. for travel from Nov 24-Nov 26.

now $735

Low $581

High $696

The cheapest time to fly from San Jose to London

The cheapest month to fly from San Jose to London is September, with a median price of $440. The most expensive month is October, with a median price of $994. Prices are generally lower from January to December.

September

Cheapest

Flights from $440

October

Most Expensive

Flights from $994

Jan

Feb

Aug

Sep

Oct

Nov

Dec

Direct flights from San Jose to London

Alaska Airlines, Inc.

TAP Portugal

KLM

Last-minute flights going from San Jose to London

Tue, Oct 27

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$970

$1,456

One-way

Sun, Nov 1

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$629

$1,000

One-way

Sun, Nov 1

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Deutsche Luft Hansa

$666

$1,048

One-way

Tue, Nov 3

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LGW)

Alaska Airlines, Inc.

$621

$957

One-way

Tue, Nov 3

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$668

$990

One-way

Wed, Nov 4

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$637

$990

One-way

Biggest price drops on these dates for flights from San Jose to London

7 nights

Apr 19 - Apr 26

$984 → $906

3 nights

Apr 20 - Apr 23

$1,010 → $968

14 nights

Apr 13 - Apr 27

$994 → $953

7 nights

Apr 4 - Apr 11

$951 → $961

Popular Airports to fly from San Jose to London

San Jose - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from San Jose to London are below the typical level at $735.

📅 Best time to fly

Fly in September for the best prices

Historically, September is the cheapest month to fly, with a median price of $440.

⏱️ Flight duration

Flights typically take 19h 35m

The typical flight duration from San Jose to London is 19h 35m with connecting flights.

✈️ Airlines & availability

Connecting flights are dominant

There are no direct flights available; connecting flights are dominant for this route.

🏆 Airline highlight

Alaska Airlines, Inc. offers deals

Alaska Airlines, Inc. has offered 51 deals for connecting flights on this route recently.

🎯 Booking tip

Deals appear regularly

Deals for flights from San Jose to London appear regularly, about every 30 days.

San Jose main airports to depart from

San Jose International (SJC)

Cheapest

San Jose International Airport is a convenient option for flights from San Jose to London.

📍 ~5 km from San Jose city center (reachable by car)

💸 Flights from ~$841

London main airports to arrive at

Heathrow (LHR)

Cheapest

Heathrow Airport is a convenient option for flights from San Jose to London.

📍 ~23 km from city center (reachable by car)

💸 Flights from ~$795

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub with excellent rail connectivity, useful when London airports are congested.

📍 ~155 km from London (reachable by train)

💸 Flights from ~$924

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from San Jose to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SJC

Elite

Dec 16

London, United Kingdom

93% AI deal score

$29,200

$17,211

Save $11,989

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 14

London, United Kingdom

93% AI deal score

$27,852

$17,222

Save $10,630

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 16

London, United Kingdom

92% AI deal score

$24,005

$17,182

Save $6,823

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 06

London, United Kingdom

92% AI deal score

$23,923

$17,199

Save $6,724

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 10

London, United Kingdom

92% AI deal score

$24,234

$17,199

Save $7,035

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Nov 25

London, United Kingdom

92% AI deal score

$25,033

$17,211

Save $7,822

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 31

London, United Kingdom

92% AI deal score

$27,245

$17,233

Save $10,012

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Dec 31

London, United Kingdom

91% AI deal score

$4,917

$3,455

Save $1,462

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Nov 17

London, United Kingdom

91% AI deal score

$4,749

$3,457

Save $1,292

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Nov 12

London, United Kingdom

91% AI deal score

$5,093

$3,670

Save $1,423

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Mar 01

London, United Kingdom

91% AI deal score

$24,850

$17,276

Save $7,574

Alaska Airlines, Inc., +1

Business Class

From SJC

Elite

Nov 08

London, United Kingdom

91% AI deal score

$25,817

$18,985

Save $6,832

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you identify better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights well in advance, often several months before your intended departure, may lead to better prices. However, last-minute deals can occasionally appear, so monitoring fare trends is usually beneficial. Prices can fluctuate based on demand and seasonality.

Yes, comparing nearby airports at both your origin and destination can often reveal additional flight options and potentially lower fares. Sometimes, flying into or out of a slightly more distant airport can result in significant savings. Remember to factor in the cost and time of ground transportation.

Related routes

More routes from San Jose

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Flights to London from other cities

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San Jose to London: Overview

Insights for flights from San Jose to London

How much is a round trip from San Jose to London

Regular price: $581 - $696

Prices for flights from San Jose to London are currently above the regular range.

The regular price range for this route is typically between $581 and $696. The current lowest deal is $735 with Alaska Airlines, Inc. for travel from Nov 24-Nov 26.

now $735

Low $581

High $696

The cheapest time to fly from San Jose to London

September

Cheapest

Flights from $440

October

Most Expensive

Flights from $994

Jan

Feb

Aug

Sep

Oct

Nov

Dec

Direct flights from San Jose to London

Alaska Airlines, Inc.

TAP Portugal

KLM

Last-minute flights going from San Jose to London

Tue, Oct 27

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$970

$1,456

One-way

Sun, Nov 1

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$629

$1,000

One-way

Sun, Nov 1

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Deutsche Luft Hansa

$666

$1,048

One-way

Tue, Nov 3

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LGW)

Alaska Airlines, Inc.

$621

$957

One-way

Tue, Nov 3

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$668

$990

One-way

Wed, Nov 4

⌛ Last-Minute

SJC - London

San Jose (SJC) - London (LHR)

Alaska Airlines, Inc.

$637

$990

One-way

Biggest price drops on these dates for flights from San Jose to London

7 nights

Apr 19 - Apr 26

$984 → $906

3 nights

Apr 20 - Apr 23

$1,010 → $968

14 nights

Apr 13 - Apr 27

$994 → $953

7 nights

Apr 4 - Apr 11

$951 → $961

Popular Airports to fly from San Jose to London

San Jose - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from San Jose to London are below the typical level at $735.

📅 Best time to fly

Fly in September for the best prices

Historically, September is the cheapest month to fly, with a median price of $440.

⏱️ Flight duration

Flights typically take 19h 35m

The typical flight duration from San Jose to London is 19h 35m with connecting flights.

✈️ Airlines & availability

Connecting flights are dominant

There are no direct flights available; connecting flights are dominant for this route.

🏆 Airline highlight

Alaska Airlines, Inc. offers deals

Alaska Airlines, Inc. has offered 51 deals for connecting flights on this route recently.

🎯 Booking tip

Deals appear regularly

Deals for flights from San Jose to London appear regularly, about every 30 days.

San Jose main airports to depart from

San Jose International (SJC)

Cheapest

San Jose International Airport is a convenient option for flights from San Jose to London.

📍 ~5 km from San Jose city center (reachable by car)

💸 Flights from ~$841

London main airports to arrive at

Heathrow (LHR)

Cheapest

Heathrow Airport is a convenient option for flights from San Jose to London.

📍 ~23 km from city center (reachable by car)

💸 Flights from ~$795

Airports nearby London used as alternative

Birmingham (BHX)

Birmingham Airport is a major international hub with excellent rail connectivity, useful when London airports are congested.

London, United Kingdom

91% AI deal score

$25,817

$18,985

Save $6,832

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from San Jose to London

Today’s best flight deals from San Jose to London

San Jose to London: Overview

Insights for flights from San Jose to London

How much is a round trip from San Jose to London

The cheapest time to fly from San Jose to London

Direct flights from San Jose to London

Last-minute flights going from San Jose to London

Biggest price drops on these dates for flights from San Jose to London

Popular Airports to fly from San Jose to London

San Jose - London route insights

Recent fares are below the typical level

Fly in September for the best prices

Flights typically take 19h 35m

Connecting flights are dominant

Alaska Airlines, Inc. offers deals

Deals appear regularly

San Jose main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 16

Dec 14

Dec 16

Dec 06

Dec 10

Nov 25

Dec 31

Dec 31

Nov 17

Nov 12

Mar 01

Nov 08

Frequently Asked Questions About Flights to London

How can I find cheap flights from San Jose to London?

When should I book flights from San Jose to London?

Should I compare nearby airports for flights from San Jose to London?

Are direct flights from San Jose to London always the best option?

Can flexible travel dates help on San Jose to London flights?

What extra costs should I check before booking San Jose to London flights?

Related routes

More routes from San Jose

Flights to London from other cities

San Jose to London: Overview

Insights for flights from San Jose to London

How much is a round trip from San Jose to London

The cheapest time to fly from San Jose to London

Direct flights from San Jose to London

Last-minute flights going from San Jose to London

Biggest price drops on these dates for flights from San Jose to London

Popular Airports to fly from San Jose to London

San Jose - London route insights

Recent fares are below the typical level

Fly in September for the best prices

Flights typically take 19h 35m

Connecting flights are dominant

Alaska Airlines, Inc. offers deals

Deals appear regularly

San Jose main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 16

Dec 14

Dec 16

Dec 06

Dec 10

Nov 25

Dec 31

Dec 31

Nov 17

Nov 12

Mar 01

Nov 08

Frequently Asked Questions About Flights to London

How can I find cheap flights from San Jose to London?

When should I book flights from San Jose to London?

Should I compare nearby airports for flights from San Jose to London?