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Cheap flights from London Heathrow Airport to San Antonio from £336

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 Heathrow Airport to San Antonio departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to San Antonio

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 23:52
LHR
-
SAT
23h 12m3 stops
Multiple Airlines Logo
06:30 - 18:50
SAT
-
LHR
30h 20m3 stops
£570Multiple Airlines
Sun, 11 Jan - Sat, 17 Jan
Multiple Airlines Logo
06:40 - 23:52
LHR
-
SAT
23h 12m3 stops
Multiple Airlines Logo
06:30 - 16:25
SAT
-
LHR
27h 55m3 stops
£595Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Scandinavian Airlines Logo
19:30 - 00:34
LHR
-
SAT
35h 04m2 stops
Scandinavian Airlines Logo
10:57 - 16:00
SAT
-
LHR
23h 03m2 stops
£618Scandinavian Airlines
Thu, 19 Feb - Thu, 26 Feb
Scandinavian Airlines Logo
06:40 - 23:23
LHR
-
SAT
22h 43m2 stops
Scandinavian Airlines Logo
08:00 - 16:00
SAT
-
LHR
26h 00m2 stops
£621Scandinavian Airlines
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
18:05 - 23:52
LHR
-
SAT
35h 47m3 stops
Multiple Airlines Logo
06:30 - 16:25
SAT
-
LHR
27h 55m3 stops
£621Multiple Airlines
Wed, 7 Jan - Sat, 10 Jan
Scandinavian Airlines Logo
07:05 - 22:28
LHR
-
SAT
21h 23m3 stops
Scandinavian Airlines Logo
10:57 - 18:30
SAT
-
LHR
25h 33m2 stops
£625Scandinavian Airlines
Thu, 19 Feb - Thu, 26 Feb
Scandinavian Airlines Logo
06:40 - 23:43
LHR
-
SAT
23h 03m2 stops
Scandinavian Airlines Logo
13:40 - 17:40
SAT
-
LHR
22h 00m2 stops
£630Scandinavian Airlines
Thu, 22 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
06:40 - 22:28
LHR
-
SAT
21h 48m2 stops
Scandinavian Airlines Logo
13:40 - 16:00
SAT
-
LHR
20h 20m2 stops
£631Scandinavian Airlines
Thu, 22 Jan - Mon, 26 Jan
Scandinavian Airlines Logo
06:40 - 22:28
LHR
-
SAT
21h 48m2 stops
Scandinavian Airlines Logo
13:40 - 17:40
SAT
-
LHR
22h 00m2 stops
£634Scandinavian Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
08:50 - 23:52
LHR
-
SAT
21h 02m3 stops
Multiple Airlines Logo
10:35 - 21:35
SAT
-
LHR
29h 00m3 stops
£637Multiple Airlines
Wed, 21 Jan - Fri, 6 Feb

Scandinavian Airlines flights from London Heathrow Airport to San Antonio

Our best Scandinavian Airlines deals on London Heathrow Airport to San Antonio flight tickets
Scandinavian Airlines
19 Feb
LHR19:30London Heathrow
35h 04m
2 stops
SAT00:34San Antonio
26 Feb
SAT10:57San Antonio
23h 03m
2 stops
LHR16:00London Heathrow
£618
Find similar
Scandinavian Airlines
17 Jan
LHR06:40London Heathrow
22h 43m
2 stops
SAT23:23San Antonio
24 Jan
SAT08:00San Antonio
26h 00m
2 stops
LHR16:00London Heathrow
£621
Find similar
Scandinavian Airlines
19 Feb
LHR07:05London Heathrow
21h 23m
3 stops
SAT22:28San Antonio
26 Feb
SAT10:57San Antonio
25h 33m
2 stops
LHR18:30London Heathrow
£625
Find similar

Lufthansa flights from London Heathrow Airport to San Antonio

Our best Lufthansa deals on London Heathrow Airport to San Antonio flight tickets
Lufthansa
13 Apr
LHR13:30London Heathrow
27h 32m
2 stops
SAT11:02San Antonio
4 May
SAT13:42San Antonio
13h 58m
1 stop
LHR09:40London Heathrow
£738
Find similar
Lufthansa
17 Jan
LHR10:00London Heathrow
13h 33m
1 stop
SAT17:33San Antonio
24 Jan
SAT14:05San Antonio
15h 10m
1 stop
LHR11:15London Heathrow
£749
Find similar
Lufthansa
13 Apr
LHR12:15London Heathrow
14h 24m
1 stop
SAT20:39San Antonio
4 May
SAT08:55San Antonio
18h 45m
1 stop
LHR09:40London Heathrow
£762
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 5 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 11/1

06:40-23:52

3 stops23h 12m

San Antonio

Sat 17/1

06:30-18:50

3 stops30h 20m

£570

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 17/1

06:40-23:52

3 stops23h 12m

San Antonio

Sat 24/1

06:30-16:25

3 stops27h 55m

£595

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 19/2

19:30-00:34

2 stops35h 04m

San Antonio

Thu 26/2

10:57-16:00

2 stops23h 03m

£618

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 17/1

06:40-23:23

2 stops22h 43m

San Antonio

Sat 24/1

08:00-16:00

2 stops26h 00m

£621

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 7/1

18:05-23:52

3 stops35h 47m

San Antonio

Sat 10/1

06:30-16:25

3 stops27h 55m

£621

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 19/2

07:05-22:28

3 stops21h 23m

San Antonio

Thu 26/2

10:57-18:30

2 stops25h 33m

£625

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 22/1

06:40-23:43

2 stops23h 03m

San Antonio

Mon 26/1

13:40-17:40

2 stops22h 00m

£630

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 22/1

06:40-22:28

2 stops21h 48m

San Antonio

Mon 26/1

13:40-16:00

2 stops20h 20m

£631

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 22/1

06:40-22:28

2 stops21h 48m

San Antonio

Mon 26/1

13:40-17:40

2 stops22h 00m

£634

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 21/1

08:50-23:52

3 stops21h 02m

San Antonio

Fri 6/2

10:35-21:35

3 stops29h 00m

£637

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 Heathrow Airport 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 March is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £611. If you aren’t able to travel to San Antonio during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £614.

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 Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £625. 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 Heathrow Airport to San Antonio for around £696.

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 Heathrow Airport to San Antonio when you can find flight prices for as low as £622. 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 £697. 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £792 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 Heathrow Airport for as low as £642 on momondo.

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

You could potentially save up to 14% on your flight if you consider stops on a London Heathrow Airport to San Antonio flight.

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

As of December 2025, prices for London Heathrow Airport to San Antonio flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Antonio

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

Cheap London Heathrow Airport to San Antonio (LHR to SAT) flight deals and tips

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

Fastest flight time

13h 23m

Direct flights

None
The fastest flight from London Heathrow Airport to San Antonio takes 13h 23m
There are no direct flights from London Heathrow Airport to San Antonio. There are no popular flight routes from London Heathrow Airport to San Antonio.
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  • How far is London Heathrow to San Antonio by plane?

    San Antonio is 4973.6 mi away from London Heathrow. Typically, this will take 13h 30m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to San Antonio Airport were last updated today.

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

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

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

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from London Heathrow Airport to San Antonio

Compare and see reviews for airlines that fly from London Heathrow Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £504Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
IberiaPriceFrom £537Free CancellationRating
7.0
3,040 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom £632Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £678Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £692Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
British AirwaysPriceFrom £711Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
LufthansaPriceFrom £711Free CancellationRating
6.8
7,612 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?

Yes. All flights to San Antonio from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from London to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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