SAT - LON

$346 Find Cheap Flights from San Antonio to London - Compare and Save

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Everything you should know

Cheapest round-trip
$847
Typical prices: $773-$1,224
Iberia
Thu 2/8Sat 2/17
SAT - LHR • 1 stop
Cheapest one-way
$326
Typical prices: $323-$594
British Airways
Fri 4/6
SAT - LHR • 1 stop
Nonstop flights
There are currently no direct flights between San Antonio and London. You'll need to take a connecting flight to reach the destination.
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Top routes
Cheapest • 5% average savings
Most popular
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When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 34% compared to booking last minute.
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When to travel
Cheapest • 35% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $675 (round-trip)
Shortest trip • 12h 36m (one-way)
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Flight Deals

Cheap Flights from San Antonio to London (SAT-LON)

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

Recent round-trip flight deals from San Antonio to London

Mon, Feb 8 - Wed, Feb 17
Iberia Logo
8:04 am - 8:35 amSAT  San Antonio-LHR London Heathrow
18h 31m1 stop Chicago O'Hare Intl
Iberia Logo
7:05 pm - 8:30 amLHR  London Heathrow-SAT San Antonio
19h 25m2 stops Madrid Barajas Dallas/Fort Worth
$847Iberia
Mon, Feb 8 - Wed, Feb 17
Iberia Logo
8:04 am - 11:55 amSAT  San Antonio-LHR London Heathrow
21h 51m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
5:25 pm - 8:30 amLHR  London Heathrow-SAT San Antonio
21h 05m2 stops Madrid Barajas Dallas/Fort Worth
$856Iberia
Wed, Feb 24 - Thu, Mar 4
Virgin Atlantic Logo
6:15 pm - 11:40 amSAT  San Antonio-LHR London Heathrow
11h 25m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
10:00 am - 8:22 pmLHR  London Heathrow-SAT San Antonio
16h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$880Virgin Atlantic
Sat, Jan 16 - Mon, Jan 25
United Airlines Logo
4:43 pm - 9:40 amSAT  San Antonio-LHR London Heathrow
34h 57m1 stop Denver Intl
United Airlines Logo
1:45 pm - 11:06 pmLHR  London Heathrow-SAT San Antonio
39h 21m2 stops Zurich Chicago O'Hare Intl
$884United Airlines
Wed, Feb 24 - Thu, Mar 4
Virgin Atlantic Logo
10:45 am - 8:05 amSAT  San Antonio-LHR London Heathrow
15h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Virgin Atlantic Logo
10:00 am - 8:22 pmLHR  London Heathrow-SAT San Antonio
16h 22m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$884Virgin Atlantic
Mon, Feb 8 - Wed, Feb 17
British Airways Logo
4:27 pm - 10:00 amSAT  San Antonio-LHR London Heathrow
11h 33m1 stop Dallas/Fort Worth
British Airways Logo
11:15 am - 7:42 pmLHR  London Heathrow-SAT San Antonio
14h 27m1 stop Dallas/Fort Worth
$885British Airways
Mon, Jan 18 - Mon, Jan 25
United Airlines Logo
2:10 pm - 10:15 amSAT  San Antonio-LHR London Heathrow
14h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
1:45 pm - 12:01 pmLHR  London Heathrow-SAT San Antonio
52h 16m2 stops Zurich Chicago O'Hare Intl
$885United Airlines
Wed, Nov 11 - Wed, Nov 18
Delta Logo
12:57 pm - 9:25 amSAT  San Antonio-LHR London Heathrow
14h 28m1 stop New York John F Kennedy Intl
Delta Logo
10:00 am - 10:54 pmLHR  London Heathrow-SAT San Antonio
18h 54m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$911Delta
Tue, Dec 1 - Tue, Dec 8
Delta Logo
7:38 am - 7:50 amSAT  San Antonio-LHR London Heathrow
18h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:45 am - 12:35 amLHR  London Heathrow-SAT San Antonio
18h 50m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$912Delta
Sun, Apr 11 - Sun, Apr 18
British Airways Logo
5:45 pm - 12:10 pmSAT  San Antonio-LHR London Heathrow
12h 25m1 stop Dallas/Fort Worth
British Airways Logo
4:55 pm - 11:56 pmLHR  London Heathrow-SAT San Antonio
13h 01m1 stop Dallas/Fort Worth
$938British Airways
Booking Insights

Price, demand and travel trends for San Antonio 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 Antonio to London?

Round-trip flights from San Antonio to London typically range from $773 to $1,224. The lowest price found in the past 5 days was $847, on Iberia.

What is the cheapest San Antonio to London flight route?

There's little price difference between San Antonio to London routes. They average around $1,050 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from San Antonio 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 Antonio to London. It’s 7% cheaper than the average day, while Friday is the most expensive, with prices 9% higher.

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

•February is the cheapest month to fly from San Antonio to London at $652 round-trip.
•June ($1,275) and December ($1,227) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 95% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Antonio to London the cheapest?

Flights from San Antonio to London are cheapest 18 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Antonio to London flights

Low season

October

Cheapest flight

$326
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from San Antonio to London Heathrow Airport

When to book flights from San Antonio to London

Are your dates flexible? Find out the best times to travel from San Antonio 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 Antonio to London flight questions, answered

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

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

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

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

    Prices vary by airline.

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

    A nonstop flight from San Antonio to London takes 00m, covering 4,979 miles.

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

    Round-trip flights from San Antonio to London range from $773 to $1,224, with an average of $1,001 over the past 12 months. Anything below $773 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 22% above the $1,001 route average. Book 18 weeks before departure for the lowest fares.

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

    One-way fares from San Antonio to London are currently lower than usual. Average one-way flight prices are about $332, which is 27% 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 $7:

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

    Near London City Airport (LCY) — daily rates from around $10:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

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

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

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

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

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

    Flights from San Antonio to London usually depart from San Antonio (SAT) 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 Antonio to London pass through?

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

    • Dallas/Fort Worth (DFW) - 51% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 21% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 19% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 15% on flights from San Antonio to London. Wednesday is the cheapest departure day at $932 round-trip on average, while Friday is the most expensive at $1,094, a difference of $162.

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

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 12h 36m, compared with 12h 40m via Houston George Bush Intcntl (IAH) and 12h 58m via Atlanta Hartsfield-Jackson (ATL).

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

    London is 6 hours ahead of San Antonio (British Time vs Central 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.

  • How can I travel from downtown San Antonio to SAT?

    To travel from downtown San Antonio to SAT, you can catch a bus or a taxi. If you’re on a budget, you should board one of the local buses that serve the route. On the other hand, if you’re in a rush, you should settle on a taxi.

  • Does SAT have a prayer room?

    SAT has a single prayer room located in the Ticketing B Terminal Lobby. You can visit this prayer room, usually open 24/7, regardless of religion. This is simply because it is an interfaith chapel.

  • What are some of the fun things I can do before departing LHR?

    Before departing LHR, you can grab a meal of your choice, as this airport is home to several European cafes, British Pubs, and remarkable full-service restaurants that offer a wide range of dishes. You can also enjoy spa treatments at BeRelax Spa, located on the Airside of Terminal 5. You can rest assured of receiving the top-notch spa services you pay for at this spa, given that it boasts experienced professionals. Alternatively, you can watch flights take off and land at the airport from various spots in Terminals 2, 3, 4, and 5 or check out superb art pieces at the on-site gallery near the Premium Check-In counters in Terminal 5.

  • Can I rent a car at LHR?

    At LHR, you can easily rent a car. This is because the airport has counters for car rental companies like Alamo, Avis, Budget, Europcar, Enterprise, SIXT, and Hertz in the Arrivals Hall of its main terminal.

Your guide to booking San Antonio 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 Friday. On this route, Wednesday flights average $932, about $162 less than Friday fares (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Antonio to London trip for February. Fares historically average $652 round-trip in that month - typically $623 less than the most expensive month, which is June (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
    • Novotel London Excel
    • Aloft London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport
  • San Antonio International Airport (SAT) is the main international airport in the Greater San Antonio Area. Situated approximately 8 miles north of the city’s downtown area, this airport is a Merlin Airways and Avelo Airlines hub.
  • In London, you will arrive on your flight at Heathrow Airport (LHR), Gatwick Airport (LGW), or London City Airport (LCY). If you want to land at an airport close to London’s city center, you should book a flight that lands at LCY. On the other hand, if you want to travel affordably, check out the flights that land at LHR, as it serves a majority of the cheap flights that ply this route.
  • On your travel date, it’s essential that you arrive at SAT at least 2 hours prior to your departure time. Doing so will help you check in and complete the airport’s tedious security checks in time for your flight.
  • While waiting for your flight to London at SAT, you can relax in the airport’s USO lounge if you’re a serving member of the US military or an immediate family member of one. At this lounge, located near Terminal B’s baggage claim area, you’ll enjoy access to comfortable seating, snacks, beverages, magazines, and newspapers.
  • If you’d like to convert some of your cash before leaving LHR, you’ll be able to do so with ease, given that this airport features at least 25 Travelex booths. Spread across the airport, these booths are normally open from about 5 am to 10 pm. If you need help finding one, look for an airport ambassador. They are quite easy to spot, given that they all wear distinct purple shirts.

More options for your flight from San Antonio to London

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