SAT - LON

$312 Find Cheap Flights from San Antonio to London - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$831
Typical prices: $709-$1,179
United Airlines
Fri 12/7Sun 12/9
SAT - LHR • 1 stop
Cheapest one-way
$312
Typical prices: $318-$578
Multiple Airlines
Thu 10/11
SAT - LGW • 2 stops
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 • 9% average savings
Most popular
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When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 35% compared to booking last minute.
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When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $675 (round-trip)
Shortest trip • 12h 34m (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, Dec 7 - Wed, Dec 9
United Airlines Logo
1:35 pm - 9:40 amSAT  San Antonio-LHR London Heathrow
14h 05m1 stop Denver Intl
United Airlines Logo
9:30 am - 9:07 pmLHR  London Heathrow-SAT San Antonio
17h 37m2 stops Frankfurt am Main Denver Intl
$831United Airlines
Mon, Dec 7 - Wed, Dec 9
United Airlines Logo
4:10 pm - 9:20 pmSAT  San Antonio-LHR London Heathrow
23h 10m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
9:30 am - 9:07 pmLHR  London Heathrow-SAT San Antonio
17h 37m2 stops Frankfurt am Main Denver Intl
$831United Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
9:25 am - 10:00 amSAT  San Antonio-LGW London Gatwick
42h 35m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
2:00 pm - 9:10 amLGW  London Gatwick-SAT San Antonio
25h 10m1 stop Orlando
$836Multiple Airlines
Mon, Sep 28 - Tue, Oct 13
Finnair Logo
2:03 pm - 12:50 pmSAT  San Antonio-LHR London Heathrow
16h 47m1 stop Dallas/Fort Worth
Finnair Logo
8:55 am - 5:46 pmLHR  London Heathrow-SAT San Antonio
14h 51m1 stop Dallas/Fort Worth
$840Finnair
Wed, Dec 30 - Wed, Jan 13
Delta Logo
11:47 am - 7:45 amSAT  San Antonio-LHR London Heathrow
13h 58m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:30 am - 5:18 pmLHR  London Heathrow-SAT San Antonio
16h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$875Delta
Sun, Dec 6 - Fri, Dec 11
Delta Logo
10:54 am - 9:00 amSAT  San Antonio-LHR London Heathrow
16h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:40 am - 9:31 pmLHR  London Heathrow-SAT San Antonio
18h 51m2 stops Amsterdam Schiphol Minneapolis St Paul
$875Delta
Wed, Jan 13 - Wed, Jan 20
British Airways Logo
4:27 pm - 12:00 pmSAT  San Antonio-LHR London Heathrow
13h 33m1 stop Dallas/Fort Worth
British Airways Logo
1:50 pm - 9:00 pmLHR  London Heathrow-SAT San Antonio
13h 10m1 stop Dallas/Fort Worth
$887British Airways
Mon, Oct 12 - Mon, Oct 19
Virgin Atlantic Logo
6:20 pm - 6:30 pmSAT  San Antonio-LCY London City
18h 10m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Virgin Atlantic Logo
8:15 pm - 5:14 pmLCY  London City-SAT San Antonio
26h 59m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$903Virgin Atlantic
Sun, Oct 4 - Thu, Oct 15
Virgin Atlantic Logo
6:10 pm - 1:15 pmSAT  San Antonio-LHR London Heathrow
13h 05m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
1:25 pm - 12:33 amLHR  London Heathrow-SAT San Antonio
17h 08m1 stop Atlanta Hartsfield-Jackson
$913Virgin Atlantic
Wed, Nov 18 - Mon, Nov 23
British Airways Logo
2:56 pm - 10:25 amSAT  San Antonio-LHR London Heathrow
13h 29m1 stop Chicago O'Hare Intl
British Airways Logo
6:45 pm - 8:34 amLHR  London Heathrow-SAT San Antonio
19h 49m2 stops Madrid Barajas Dallas/Fort Worth
$919British 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 from San Antonio to London with more confidence.

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

Round-trip flights from San Antonio to London start at $831. Prices are typical for this route right now, with typical round-trip fares ranging from $709 to $1,179. The lowest price found in the past 5 days was $831 on United Airlines.

What is the cheapest San Antonio to London flight route?

San Antonio (SAT) to London Heathrow Airport (LHR) is the cheapest San Antonio to London route, averaging $932 round-trip. Other San Antonio to London routes average $1,076, based on KAYAK data over the past 12 months.

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

Wednesday is the cheapest day of the week to fly from San Antonio to London, it is 14% cheaper than the average day. Saturday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Antonio to London?

  • February is the cheapest month to fly from San Antonio to London at $655 round-trip.
  • June ($1,357) and December ($1,147) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 107% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Antonio to London the cheapest?

Flights from San Antonio to London are cheapest 10 weeks before departure. Booking in this window typically costs about 35% 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

$312
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 45% increase in price.
Flight from San Antonio to London Gatwick 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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • 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).

  • 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.

  • 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) - 52% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 22% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 20% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 3% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 23% on the San Antonio to London route. Wednesday is the cheapest departure day at $807 round-trip on average, while Saturday is the most expensive at $1,038, a difference of $231. 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 popular places can I visit in London?

    Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 22% above the route average of $937. Book 10 weeks before departure for the lowest fares.

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

    A nonstop flight from San Antonio to London takes 0h 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 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 $393, which is 14% below the typical average for this route.

  • 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 34m, compared with 12h 39m via Houston George Bush Intcntl (IAH) and 12h 55m via Charlotte Douglas (CLT).

  • 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 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

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

    Round-trip flights from San Antonio to London range from $709 to $1,179, with an average of $937 over the past 12 months. Anything below $709 counts as a good deal.

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 can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $807 - about $231 less than Saturday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 35% 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 $655 round-trip in that month - typically $702 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
    · Crowne Plaza London Docklands By IHG
    · Novotel 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.

Everything you need to know for your flight from San Antonio to London

Information on your arrival and departure airports