SAN - LON

$290 Find Cheap Flights from San Diego to London - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$915
Typical prices: $739-$1,267
British Airways
Mon 10/22Thu 11/1
SAN - LHR • Non-stop
Cheapest non-stop
$917
Typical prices: $787-$1,317
British Airways
Sun 10/21Sun 10/28
SAN - LHR • Non-stop
Nonstop flights
You can fly direct with British Airways. Average duration is 10h 42m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 29% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 16% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $604 (round-trip)
Shortest trip • 13h 10m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to London (SAN-LON)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to London

Thu, Oct 22 - Sun, Nov 1
British Airways Logo
7:40 pm - 2:20 pmSAN  San Diego-LHR London Heathrow
10h 40mnonstop
British Airways Logo
3:40 pm - 11:54 pmLHR  London Heathrow-SAN San Diego
16h 14m1 stop Chicago O'Hare Intl
$915British Airways
Fri, Nov 27 - Tue, Dec 1
Air Canada Logo
12:55 pm - 11:20 amSAN  San Diego-LHR London Heathrow
14h 25m1 stop Toronto Pearson Intl
Air Canada Logo
1:25 pm - 5:15 pmLHR  London Heathrow-SAN San Diego
35h 50m2 stops Calgary Denver Intl
$916Air Canada
Wed, Oct 21 - Wed, Oct 28
British Airways Logo
4:45 pm - 11:30 amSAN  San Diego-LHR London Heathrow
10h 45mnonstop
British Airways Logo
12:45 pm - 5:10 pmLHR  London Heathrow-SAN San Diego
11h 25mnonstop
$917British Airways
Fri, Oct 16 - Tue, Oct 27
Air Canada Logo
3:56 pm - 1:20 pmSAN  San Diego-LHR London Heathrow
37h 24m2 stops San Francisco Vancouver Intl
Air Canada Logo
2:30 pm - 4:25 pmLHR  London Heathrow-SAN San Diego
32h 55m1 stop Vancouver Intl
$917Air Canada
Fri, Nov 27 - Mon, Nov 30
Delta Logo
1:31 pm - 10:00 amSAN  San Diego-LHR London Heathrow
12h 29m1 stop Salt Lake City
Delta Logo
11:45 am - 12:10 pmLHR  London Heathrow-SAN San Diego
32h 25m1 stop Amsterdam Schiphol
$919Delta
Thu, Nov 19 - Mon, Nov 30
Virgin Atlantic Logo
11:05 am - 11:35 amSAN  San Diego-LHR London Heathrow
16h 30m1 stop Los Angeles
Virgin Atlantic Logo
8:25 pm - 12:10 pmLHR  London Heathrow-SAN San Diego
23h 45m1 stop Amsterdam Schiphol
$919Virgin Atlantic
Wed, Nov 18 - Tue, Dec 1
JetBlue Logo
9:35 pm - 9:40 pmSAN  San Diego-LHR London Heathrow
16h 05m1 stop New York John F Kennedy Intl
JetBlue Logo
9:20 am - 8:19 pmLHR  London Heathrow-SAN San Diego
18h 59m1 stop Boston Logan Intl
$921JetBlue
Thu, Nov 19 - Mon, Dec 7
JetBlue Logo
8:55 pm - 8:55 pmSAN  San Diego-LHR London Heathrow
16h 00m1 stop New York John F Kennedy Intl
JetBlue Logo
8:05 am - 8:18 pmLHR  London Heathrow-SAN San Diego
20h 13m1 stop New York John F Kennedy Intl
$921JetBlue
Sat, Mar 20 - Fri, Mar 26
Delta Logo
3:20 pm - 10:40 amSAN  San Diego-LHR London Heathrow
36h 20m1 stop Seattle/Tacoma Intl
Delta Logo
10:55 am - 6:55 pmLHR  London Heathrow-SAN San Diego
15h 00m1 stop Los Angeles
$922Delta
Thu, Feb 11 - Mon, Feb 15
Virgin Atlantic Logo
7:00 am - 9:25 amSAN  San Diego-LHR London Heathrow
18h 25m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
8:25 pm - 12:10 pmLHR  London Heathrow-SAN San Diego
23h 45m1 stop Amsterdam Schiphol
$927Virgin Atlantic
Booking Insights

Price, demand and travel trends for San Diego to London flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to London?

Round-trip flights from San Diego to London typically range from $739 to $1,267. The lowest price found in the past 5 days was $915, on British Airways.

What is the cheapest San Diego to London flight route?

San Diego (SAN) to London City Airport (LCY) is the cheapest San Diego to London route, averaging $611 round-trip. Other San Diego to London routes average $993, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from San Diego to London?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Diego to London. It’s 9% cheaper than the average day, while Monday is the most expensive, with prices 15% higher.

What’s the cheapest month to fly from San Diego to London?

•January is the cheapest month to fly from San Diego to London at $742 round-trip.
•June ($1,421) and July ($1,373) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 91% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Diego to London the cheapest?

Flights from San Diego to London are cheapest 15 weeks before departure. Booking in this window typically costs about 16% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to London

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for San Diego to London flights

Low season

January

Cheapest flight

$290
Beat the crowds with an average 34% drop in travelers.
The most popular month to fly with an average 10% increase in travelers.
One-way flight from San Diego to London Heathrow Airport

When to book flights from San Diego to London

Are your dates flexible? Find out the best times to travel from San Diego to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to London flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from San Diego to London?

    These are the earliest and latest flight times available from San Diego to London:

    • Earliest: departs at 4:45 pm and lands at 3:27 am
    • Latest: departs at 7:40 pm and lands at 6:22 am.

    The flight takes about 10h 42m.

  • What cabin classes can I book on flights from San Diego to London?

    Four cabin classes are available on flights from San Diego to London:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from San Diego to London?

    A nonstop flight from San Diego to London takes 10h 42m, covering 5,479 miles.

  • Do I need a passport to fly from San Diego to London?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Diego to London flight?

    Round-trip flights from San Diego to London range from $739 to $1,267, with an average of $958 over the past 12 months. Anything below $739 counts as a good deal.

  • How expensive are last-minute San Diego to London flights?

    Last-minute fares on this route (booked within two weeks of departure) run 9% above the $958 route average. Book 15 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to London?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $604 round-trip via Montreal Pierre Elliott Trudeau Intl (YUL), compared to $990 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to London?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $70–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from San Diego to London spread across the day?

    Evening is the busiest departure period on San Diego to London flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • How are flight prices from San Diego to London looking right now?

    One-way fares from San Diego to London are currently lower than usual. Average one-way flight prices are about $314, which is 43% below the typical average for this route.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates from around $7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) — daily rates from around $8:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) — daily rates from around $11:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Luton Airport (LTN) — daily rates from around $11:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • Budget

    Near London Stansted Airport (STN) — daily rates from around $10:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

  • Which airports can I use when flying from San Diego to London?

    Flights from San Diego to London usually depart from San Diego (SAN) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

  • Which airports do connecting flights from San Diego to London pass through?

    One-stop flights from San Diego to London most commonly connect through:

    • Denver Intl (DEN) - 16% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 16% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 14% of one-stop connections
    • Boston Logan Intl (BOS) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to London?

    Yes. Flexible dates can save you up to 21% on flights from San Diego to London. Wednesday is the cheapest departure day at $880 round-trip on average, while Monday is the most expensive at $1,102, a difference of $222.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from San Diego to London?

    Only British Airways operates flights between San Diego and London.

  • How much time can I save by choosing a different layover airport from San Diego to London?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 10m, compared with 13h 42m via Salt Lake City (SLC) and 13h 45m via Denver Intl (DEN).

  • What is the time difference between San Diego and London?

    London is 8 hours ahead of San Diego (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London?

    Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Diego to London flights?

    Among airlines operating San Diego to London flights:

    • British Airways: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection
    • Iberia: offers free seat selection
    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on San Diego to London flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • British Airways: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Iberia: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Are the nonstop flights from San Diego to London?

    Unfortunately, there are no nonstop flights from San Diego to London. United Airlines operates a flight with only one stop, either in Newark (EWR) or Chicago O'Hare (ORD). Delta Air Lines also operates a flight route with a stop in Atlanta Hartsfield-Jackson (ATL). Depending on the length of your stop, flight times vary between 15h 25min and 18h 30min.

  • Does San Diego Airport have lounges?

    All lounges at the San Diego Airport are located in Terminal 2. Both Delta Air Lines and United Airlines have lounges for their passengers, the Delta Sky Club, and the United Club. If you're not flying with Delta or United, check out the Airspace Lounge, which you can enter for about $25.

  • What is a quick way to get from London Heathrow to London’s city center?

    You can either take the Piccadilly Line of the subway, known locally as the "tube", which is great for central locations as well as the West End, or the Heathrow Express to Paddington Station on the national rail service if you’re staying in Paddington or Bayswater. Tickets for both trips can be booked online in advance of your journey, and note that fares will depend significantly on the time and date of travel.

  • Are there are any on-site hotels at Heathrow Airport?

    There are four on-site hotels, depending on the terminal you are traveling from. Aerotel is connected to Terminal 2. The Hilton and YOTEL are connected to Terminal 4. The Hilton is equipped with three restaurants as well as business and fitness centers, while YOTEL has 32 cabins which can be booked by the hour. Sofitel is connected to Terminal 5 and has two restaurants as well as conference facilities.

Your guide to booking San Diego to London flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $880, about $222 less than Monday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 16% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to London trip for January. Fares historically average $742 round-trip in that month - typically $679 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Montreal Pierre Elliott Trudeau Intl Airport (YUL) can be cheaper than flying direct. The cheapest layover option averages $604 round-trip on this route - about $386 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Aloft London Excel
    • Novotel London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport
  • San Diego has only one major airport to depart from, San Diego International Airport (SAN), which is conveniently located just 3 miles northwest of Downtown San Diego. San Diego Airport has lots of shopping and dining options while you’re waiting for your flight. Dining concessions include both local and national brands. Shopping concessions range from boutiques and gift shops. In addition, if you have extra time, book a treatment at one of the two airport spas or head to one of the terminal’s lounges to relax or catch a bite.
  • Alternatively, London has six different airports to choose from. London Heathrow (LHR) is the city’s busiest airport and has the largest offering of international flights. The airport’s four terminals are also well connected to the city center, about 15 miles west, both by subway and national rail. Heathrow is also one of the busiest, with long lines for customs.
  • Most flights from San Diego also fly into Heathrow. Get the Heathrow Airport Guide App on your phone before your travel for easy navigation and more travel tips.
  • London Gatwick (LGW) is another popular airport and is generally less crowded than Heathrow. It is located 29 miles south of London. The airport also offers Premium Passport control services for an expedited border control lane. Gatwick is well connected by rail service.
  • London City (LCY) is the closest airport to central London, just 7 miles east. However, this airport typically only offers short-distance flights catering to business travelers.
  • London Luton (LTN), London Stansted (STN), and London Southend (SEN) are further away from the city center but are also the gateways for cheap flights around Europe, serving airlines like Ryanair, easyJet, and Wizz Air.

Prefer to fly direct from San Diego to London?

 
Find which airlines fly direct from San Diego Airport to London, which days they fly and book direct flights.

Direct departures

San Diego to London

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Direct returns

London to San Diego

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

More options for your flight from San Diego to London

Complete your trip to London with a hotel stay or car rental