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Cheap flights from London to San Antonio from £281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Antonio departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to San Antonio

Cheap return flights

Logo
14:00 - 13:49LGW-SAT
29h 49m1 stop
Logo
20:37 - 10:55SAT-LGW
32h 18m1 stop
£402
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Sat, 13 Sep - Sat, 20 Sep
Logo
14:00 - 16:48LGW-SAT
32h 48m2 stops
Logo
20:37 - 10:55SAT-LGW
32h 18m1 stop
£435
Find Deal
Thu, 28 Aug - Thu, 4 Sep
Scandinavian Airlines Logo
06:40 - 23:57LHR-SAT
23h 17m2 stops
Scandinavian Airlines Logo
11:34 - 21:40SAT-LHR
28h 06m2 stops
£624Scandinavian Airlines
Find Deal
Fri, 29 Aug - Wed, 3 Sep
Scandinavian Airlines Logo
06:40 - 23:17LHR-SAT
22h 37m2 stops
Scandinavian Airlines Logo
15:00 - 17:40SAT-LHR
20h 40m2 stops
£631Scandinavian Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
British Airways Logo
17:15 - 11:54LHR-SAT
24h 39m2 stops
British Airways Logo
08:10 - 12:30SAT-LHR
22h 20m1 stop
£719British Airways
Find Deal
Mon, 22 Sep - Mon, 6 Oct
Finnair Logo
10:30 - 17:41LHR-SAT
13h 11m1 stop
Finnair Logo
13:44 - 09:00SAT-LHR
13h 16m1 stop
£723Finnair
Find Deal
Tue, 2 Sep - Tue, 30 Sep
Finnair Logo
08:20 - 17:41LHR-SAT
15h 21m1 stop
Finnair Logo
13:44 - 09:00SAT-LHR
13h 16m1 stop
£726Finnair
Find Deal
Tue, 2 Sep - Tue, 30 Sep
British Airways Logo
14:10 - 21:57LHR-SAT
13h 47m1 stop
British Airways Logo
17:52 - 11:40SAT-LHR
11h 48m1 stop
£734British Airways
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Mon, 10 Nov - Sun, 30 Nov
Virgin Atlantic Logo
12:00 - 10:38LGW-SAT
28h 38m1 stop
Virgin Atlantic Logo
11:33 - 10:00SAT-LGW
16h 27m1 stop
£899Virgin Atlantic
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Thu, 28 Aug - Thu, 4 Sep
Virgin Atlantic Logo
07:45 - 21:19LCY-SAT
19h 34m2 stops
Virgin Atlantic Logo
18:02 - 17:20SAT-LCY
17h 18m2 stops
£977Virgin Atlantic
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Thu, 21 Aug - Wed, 17 Sep

British Airways flights from London to San Antonio

Our best British Airways deals on London to San Antonio flight tickets
British Airways
22 Sept
LHR17:15London Heathrow
24h 39m
2 stops
SAT11:54San Antonio
6 Oct
SAT08:10San Antonio
22h 20m
1 stop
LHR12:30London Heathrow
£719
Find similar
British Airways
10 Nov
LHR14:10London Heathrow
13h 47m
1 stop
SAT21:57San Antonio
30 Nov
SAT17:52San Antonio
11h 48m
1 stop
LHR11:40London Heathrow
£734
Find similar
British Airways
26 Aug
LHR10:30London Heathrow
14h 04m
1 stop
SAT18:34San Antonio
2 Sept
SAT18:45San Antonio
12h 00m
1 stop
LHR12:45London Heathrow
£801
Find similar

Air Canada flights from London to San Antonio

Our best Air Canada deals on London to San Antonio flight tickets
Air Canada
22 Sept
LHR09:30London Heathrow
36h 00m
2 stops
SAT15:30San Antonio
6 Oct
SAT06:00San Antonio
21h 35m
2 stops
LHR09:35London Heathrow
£746
Find similar
Air Canada
18 Sept
LHR09:30London Heathrow
19h 18m
2 stops
SAT22:48San Antonio
10 Oct
SAT05:30San Antonio
19h 05m
2 stops
LHR06:35London Heathrow
£747
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from London to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 13/9

14:00-13:49

1 stop29h 49m

San Antonio

Sat 20/9

20:37-10:55

1 stop32h 18m

£402

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 28/8

14:00-16:48

2 stops32h 48m

San Antonio

Thu 4/9

20:37-10:55

1 stop32h 18m

£435

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 29/8

06:40-23:57

2 stops23h 17m

San Antonio

Wed 3/9

11:34-21:40

2 stops28h 06m

£624

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 13/9

06:40-23:17

2 stops22h 37m

San Antonio

Sat 20/9

15:00-17:40

2 stops20h 40m

£631

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 22/9

17:15-11:54

2 stops24h 39m

San Antonio

Mon 6/10

08:10-12:30

1 stop22h 20m

£719

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 2/9

10:30-17:41

1 stop13h 11m

San Antonio

Tue 30/9

13:44-09:00

1 stop13h 16m

£723

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 2/9

08:20-17:41

1 stop15h 21m

San Antonio

Tue 30/9

13:44-09:00

1 stop13h 16m

£726

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 10/11

14:10-21:57

1 stop13h 47m

San Antonio

Sun 30/11

17:52-11:40

1 stop11h 48m

£734

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 28/8

12:00-10:38

1 stop28h 38m

San Antonio

Thu 4/9

11:33-10:00

1 stop16h 27m

£899

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 21/8

07:45-21:19

2 stops19h 34m

San Antonio

Wed 17/9

18:02-17:20

2 stops17h 18m

£977

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Antonio from

How to get the cheapest flight ticket from London to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

The month of February is, on average, the cheapest month to fly to San Antonio from London, with most prices found around £547. If you aren’t able to travel to San Antonio during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £573.

What is the cheapest day to depart on your flight to San Antonio?

According to our data, Wednesday is the cheapest day to fly to San Antonio from London. The lowest ticket price found for a Wednesday departure recently was £626. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to San Antonio for around £698.

What is the cheapest time of day to depart on your flight to San Antonio?

At midday is the cheapest time of day to fly from London to San Antonio when you can find flight prices for as low as £623. Flying to San Antonio at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £698. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £742 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from London for as low as £589 on momondo.

Can stopping save me money on London to San Antonio flights?

You could potentially save up to 25% on your flight if you consider stops on a London to San Antonio flight.

How have London to San Antonio flight prices changed over time?

As of July 2025, prices for London to San Antonio flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from London to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to San Antonio (LON to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Antonio

Best price found

£281

Fastest flight time

13h 00m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from London in the past 72 hours is £281. The best return flight deal from London to San Antonio found on momondo in the last 72 hours is £402.
The fastest flight from London to San Antonio takes 13h 00m
There are no direct flights from London to San Antonio. Popular non-direct routes for this connection are London Heathrow Airport - San Antonio Airport, London City Airport - San Antonio Airport and London Gatwick Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • How far is London to San Antonio by plane?

    The straight-line distance from London to San Antonio is 4985.7 mi. Typically, this will take 13h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from London to San Antonio Airport?

    Prices for flights from London to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from London to San Antonio Airport?

  • How old do you have to be to fly from London to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to San Antonio?

Best airlines flying from London to San Antonio

Compare and see reviews for airlines that fly from London to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £513Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
IberiaPriceFrom £538Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom £601Free CancellationRating
7.3
1,453 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £662Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £687Free CancellationRating
6.6
7,217 reviews
Search British Airways flights
United AirlinesPriceFrom £710Free CancellationRating
7.4
8,894 reviews
Search United Airlines flights
LufthansaPriceFrom £719Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights

Travelling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels

Why use momondo?

Why should I use momondo to find a flight deal from London to San Antonio?

Finding the right flight to San Antonio from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from London to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Antonio.

I’m not ready to book a flight from London to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Antonio trip

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