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Cheap flights from London Heathrow Airport to San Antonio from £408

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 25/8. 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
1 adult, Economy, 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.
Scandinavian Airlines Logo
06:40 - 23:18
LHR
-
SAT
22h 38m
2 stops
Scandinavian Airlines Logo
16:10 - 18:30
SAT
-
LHR
20h 20m
2 stops
£720Scandinavian Airlines
Thu, 12 Nov - Fri, 22 Jan
Scandinavian Airlines Logo
06:40 - 22:27
LHR
-
SAT
21h 47m
2 stops
Scandinavian Airlines Logo
16:10 - 18:30
SAT
-
LHR
20h 20m
2 stops
£721Scandinavian Airlines
Mon, 2 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
17:00 - 00:16
LHR
-
SAT
37h 16m
2 stops
Scandinavian Airlines Logo
12:10 - 17:40
SAT
-
LHR
23h 30m
2 stops
£727Scandinavian Airlines
Sat, 3 Oct - Wed, 21 Oct
Scandinavian Airlines Logo
06:40 - 00:28
LHR
-
SAT
23h 48m
2 stops
Scandinavian Airlines Logo
14:10 - 18:30
SAT
-
LHR
22h 20m
2 stops
£736Scandinavian Airlines
Mon, 2 Nov - Fri, 6 Nov
Scandinavian Airlines Logo
07:05 - 00:28
LHR
-
SAT
23h 23m
3 stops
Scandinavian Airlines Logo
12:15 - 18:30
SAT
-
LHR
24h 15m
2 stops
£739Scandinavian Airlines
Mon, 2 Nov - Fri, 6 Nov
Scandinavian Airlines Logo
06:40 - 23:18
LHR
-
SAT
22h 38m
3 stops
Scandinavian Airlines Logo
16:10 - 18:30
SAT
-
LHR
20h 20m
2 stops
£740Scandinavian Airlines
Thu, 12 Nov - Fri, 22 Jan
Scandinavian Airlines Logo
06:40 - 23:10
LHR
-
SAT
22h 30m
2 stops
Scandinavian Airlines Logo
12:10 - 16:00
SAT
-
LHR
21h 50m
2 stops
£741Scandinavian Airlines
Sat, 3 Oct - Wed, 21 Oct
Scandinavian Airlines Logo
07:05 - 00:28
LHR
-
SAT
23h 23m
3 stops
Scandinavian Airlines Logo
14:10 - 16:25
SAT
-
LHR
20h 15m
3 stops
£742Scandinavian Airlines
Mon, 2 Nov - Wed, 2 Dec
Scandinavian Airlines Logo
06:40 - 23:10
LHR
-
SAT
22h 30m
2 stops
Scandinavian Airlines Logo
12:10 - 16:25
SAT
-
LHR
22h 15m
3 stops
£744Scandinavian Airlines
Sat, 3 Oct - Wed, 21 Oct
Scandinavian Airlines Logo
10:20 - 23:18
LHR
-
SAT
18h 58m
2 stops
Scandinavian Airlines Logo
12:15 - 17:40
SAT
-
LHR
23h 25m
2 stops
£745Scandinavian Airlines
Wed, 11 Nov - Sun, 15 Nov

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Air Canada flights from London Heathrow Airport to San Antonio

Our best Air Canada deals on London Heathrow Airport to San Antonio flight tickets
Air Canada
15 Sept
LHR19:30London Heathrow
31h 43m
2 stops
SAT21:13San Antonio
20 Sept
SAT07:35San Antonio
16h 55m
3 stops
LHR06:30London Heathrow
£906
Air Canada
15 Sept
LHR19:30London Heathrow
31h 43m
2 stops
SAT21:13San Antonio
20 Sept
SAT07:35San Antonio
16h 55m
3 stops
LHR06:30London Heathrow
£906
Air Canada
15 Sept
LHR17:40London Heathrow
33h 33m
1 stop
SAT21:13San Antonio
20 Sept
SAT07:35San Antonio
16h 55m
3 stops
LHR06:30London Heathrow
£907

Lufthansa flights from London Heathrow Airport to San Antonio

Our best Lufthansa deals on London Heathrow Airport to San Antonio flight tickets
Lufthansa
15 Sept
LHR07:25London Heathrow
19h 51m
2 stops
SAT21:16San Antonio
20 Sept
SAT13:45San Antonio
16h 50m
1 stop
LHR12:35London Heathrow
£835
Lufthansa
3 Oct
LHR07:30London Heathrow
20h 01m
2 stops
SAT21:31San Antonio
21 Oct
SAT11:47San Antonio
17h 48m
1 stop
LHR11:35London Heathrow
£850
Lufthansa
15 Sept
LHR07:30London Heathrow
19h 46m
2 stops
SAT21:16San Antonio
20 Sept
SAT07:00San Antonio
17h 55m
1 stop
LHR06:55London Heathrow
£850

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 16 June 2026.
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

Cheapest return flight

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 12/11

06:40-23:18

2 stops22h 38m

San Antonio

Fri 22/1

16:10-18:30

2 stops20h 20m

£720
Fastest return journey

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/11

06:40-22:27

2 stops21h 47m

San Antonio

Wed 2/12

16:10-18:30

2 stops20h 20m

£721

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 3/10

17:00-00:16

2 stops37h 16m

San Antonio

Wed 21/10

12:10-17:40

2 stops23h 30m

£727

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/11

06:40-00:28

2 stops23h 48m

San Antonio

Fri 6/11

14:10-18:30

2 stops22h 20m

£736

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/11

07:05-00:28

3 stops23h 23m

San Antonio

Fri 6/11

12:15-18:30

2 stops24h 15m

£739

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 12/11

06:40-23:18

3 stops22h 38m

San Antonio

Fri 22/1

16:10-18:30

2 stops20h 20m

£740

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 3/10

06:40-23:10

2 stops22h 30m

San Antonio

Wed 21/10

12:10-16:00

2 stops21h 50m

£741

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/11

07:05-00:28

3 stops23h 23m

San Antonio

Wed 2/12

14:10-16:25

3 stops20h 15m

£742

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 3/10

06:40-23:10

2 stops22h 30m

San Antonio

Wed 21/10

12:10-16:25

3 stops22h 15m

£744

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 11/11

10:20-23:18

2 stops18h 58m

San Antonio

Sun 15/11

12:15-17:40

2 stops23h 25m

£745

Flights are sorted by cheapest return flights first.

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

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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 typical price of a round-trip flight between London Heathrow Airport and San Antonio?

What is the cheapest month to fly to San Antonio?

The month of September is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £736. If you aren’t able to travel to San Antonio during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £740.

How far in advance should I book a flight from London Heathrow Airport 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 £918 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 £751 on momondo.

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

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 30m

Direct flights

None
The fastest flight from London Heathrow Airport to San Antonio takes 13h 30m
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.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to San Antonio

  • 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
United AirlinesPriceFrom £339Free CancellationRating
7.4
9,844 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom £582Free CancellationRating
7.4
1,828 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £689Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £707Free CancellationRating
6.8
8,066 reviews
Search Lufthansa flights
British AirwaysPriceFrom £714Free CancellationRating
6.7
8,053 reviews
Search British Airways 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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