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Cheap flights from London to San Antonio from £262

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 23/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:52
LGW
-
SAT
15h 52m1 stop
Multiple Airlines Logo
10:35 - 10:00
SAT
-
LGW
41h 25m2 stops
£397Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
14:10 - 23:52
LGW
-
SAT
15h 42m1 stop
Multiple Airlines Logo
06:30 - 10:00
SAT
-
LGW
21h 30m1 stop
£437Multiple Airlines
Sun, 11 Jan - Mon, 2 Feb
Multiple Airlines Logo
14:00 - 23:52
LGW
-
SAT
15h 52m1 stop
Multiple Airlines Logo
06:30 - 10:00
SAT
-
LGW
21h 30m1 stop
£452Multiple Airlines
Sat, 10 Jan - Mon, 2 Feb
Scandinavian Airlines Logo
06:40 - 23:23
LHR
-
SAT
22h 43m2 stops
Scandinavian Airlines Logo
13:40 - 21:40
SAT
-
LHR
26h 00m2 stops
£591Scandinavian Airlines
Sat, 17 Jan - Sat, 7 Feb
Scandinavian Airlines Logo
06:40 - 00:34
LHR
-
SAT
23h 54m2 stops
Scandinavian Airlines Logo
13:37 - 18:30
SAT
-
LHR
23h 53m2 stops
£615Scandinavian Airlines
Mon, 2 Mar - Thu, 19 Mar
Lufthansa Logo
09:55 - 21:21
LCY
-
SAT
17h 26m2 stops
Lufthansa Logo
16:12 - 17:40
SAT
-
LCY
19h 28m2 stops
£820Lufthansa
Fri, 30 Jan - Thu, 26 Feb
British Airways Logo
07:50 - 19:23
LCY
-
SAT
17h 33m2 stops
British Airways Logo
08:10 - 08:50
SAT
-
LCY
18h 40m2 stops
£843British Airways
Wed, 28 Jan - Wed, 4 Feb
Iberia Logo
19:15 - 08:21
LCY
-
SAT
19h 06m2 stops
Iberia Logo
10:23 - 08:50
SAT
-
LCY
17h 27m2 stops
£861Iberia
Mon, 2 Mar - Thu, 19 Mar
Iberia Logo
07:50 - 22:42
LCY
-
SAT
20h 52m2 stops
Iberia Logo
15:07 - 08:50
SAT
-
LCY
35h 43m2 stops
£917Iberia
Thu, 22 Jan - Mon, 26 Jan
Lufthansa Logo
09:15 - 20:49
LCY
-
SAT
17h 34m2 stops
Lufthansa Logo
11:44 - 08:40
SAT
-
LCY
38h 56m2 stops
£1,790Lufthansa
Tue, 14 Apr - Wed, 29 Apr

Finnair flights from London to San Antonio

Our best Finnair deals on London to San Antonio flight tickets
Finnair
13 Apr
LHR10:20London Heathrow
37h 18m
2 stops
SAT17:38San Antonio
4 May
SAT14:39San Antonio
15h 31m
1 stop
LHR12:10London Heathrow
£829
Find similar
Finnair
13 Apr
LHR10:20London Heathrow
37h 18m
2 stops
SAT17:38San Antonio
4 May
SAT14:39San Antonio
15h 31m
1 stop
LHR12:10London Heathrow
£830
Find similar

Scandinavian Airlines flights from London to San Antonio

Our best Scandinavian Airlines deals on London to San Antonio flight tickets
Scandinavian Airlines
17 Jan
LHR06:40London Heathrow
22h 43m
2 stops
SAT23:23San Antonio
7 Feb
SAT13:40San Antonio
26h 00m
2 stops
LHR21:40London Heathrow
£591
Find similar
Scandinavian Airlines
2 Mar
LHR06:40London Heathrow
23h 54m
2 stops
SAT00:34San Antonio
19 Mar
SAT13:37San Antonio
23h 53m
2 stops
LHR18:30London Heathrow
£615
Find similar
Scandinavian Airlines
30 Jan
LHR19:30London Heathrow
35h 08m
2 stops
SAT00:38San Antonio
26 Feb
SAT13:35San Antonio
22h 05m
2 stops
LHR17:40London Heathrow
£618
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 16 December 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

Thu 29/1

14:00-23:52

1 stop15h 52m

San Antonio

Thu 5/2

10:35-10:00

2 stops41h 25m

£397

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 11/1

14:10-23:52

1 stop15h 42m

San Antonio

Mon 2/2

06:30-10:00

1 stop21h 30m

£437

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 10/1

14:00-23:52

1 stop15h 52m

San Antonio

Mon 2/2

06:30-10:00

1 stop21h 30m

£452

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 17/1

06:40-23:23

2 stops22h 43m

San Antonio

Sat 7/2

13:40-21:40

2 stops26h 00m

£591

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/3

06:40-00:34

2 stops23h 54m

San Antonio

Thu 19/3

13:37-18:30

2 stops23h 53m

£615

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Fri 30/1

09:55-21:21

2 stops17h 26m

San Antonio

Thu 26/2

16:12-17:40

2 stops19h 28m

£820

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 28/1

07:50-19:23

2 stops17h 33m

San Antonio

Wed 4/2

08:10-08:50

2 stops18h 40m

£843

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Mon 2/3

19:15-08:21

2 stops19h 06m

San Antonio

Thu 19/3

10:23-08:50

2 stops17h 27m

£861

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 22/1

07:50-22:42

2 stops20h 52m

San Antonio

Mon 26/1

15:07-08:50

2 stops35h 43m

£917

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Tue 14/4

09:15-20:49

2 stops17h 34m

San Antonio

Wed 29/4

11:44-08:40

2 stops38h 56m

£1,790

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between London and San Antonio?

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 £544. 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 £570.

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 £624. 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 £695.

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 £620. 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 £695. 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 £810 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 £682 on momondo.

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

You could potentially save up to 11% 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 December 2025, prices for London to San Antonio flights are approximately 21% 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

Fastest flight time

14h 29m

Direct flights

None
The fastest flight from London to San Antonio takes 14h 29m
There are no direct flights from London to San Antonio. There are no popular flight routes from London to San Antonio.
Search flight deals

  • 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 14h 29m 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 £496Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
Scandinavian AirlinesPriceFrom £630Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £676Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £690Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
British AirwaysPriceFrom £709Free CancellationRating
6.7
7,578 reviews
Search British Airways flights
LufthansaPriceFrom £710Free CancellationRating
6.8
7,631 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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