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Cheap flights from London Heathrow Airport to San Antonio from £320

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 29/5. 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 Heathrow Airport to San Antonio

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to San Antonio.
 Logo
08:40 - 12:10LHR-SAT
33h 30m2 stops
 Logo
06:45 - 17:15SAT-LHR
28h 30m1 stop
Wed, 30 Apr - Wed, 7 May
 Logo
13:35 - 01:10LHR-SAT
17h 35m1 stop
 Logo
06:45 - 10:00SAT-LHR
21h 15m1 stop
Wed, 30 Apr - Wed, 7 May
Finnair Logo
09:50 - 23:59LHR-SAT
20h 09m1 stop
Finnair Logo
18:43 - 14:25SAT-LHR
13h 42m1 stop
£680Finnair
Find Deal
Mon, 5 May - Fri, 9 May
Scandinavian Airlines Logo
06:40 - 00:25LHR-SAT
23h 45m2 stops
Scandinavian Airlines Logo
12:15 - 16:00SAT-LHR
21h 45m2 stops
£769Scandinavian Airlines
Find Deal
Fri, 26 Sep - Tue, 7 Oct
Scandinavian Airlines Logo
06:40 - 00:25LHR-SAT
23h 45m2 stops
Scandinavian Airlines Logo
12:15 - 16:00SAT-LHR
21h 45m2 stops
£771Scandinavian Airlines
Find Deal
Fri, 26 Sep - Tue, 7 Oct
British Airways Logo
12:00 - 18:53LHR-SAT
12h 53m1 stop
British Airways Logo
12:31 - 06:25SAT-LHR
11h 54m1 stop
£818British Airways
Find Deal
Fri, 26 Sep - Tue, 7 Oct
British Airways Logo
15:10 - 23:00LHR-SAT
13h 50m1 stop
British Airways Logo
20:30 - 14:25SAT-LHR
11h 55m1 stop
£820British Airways
Find Deal
Fri, 26 Sep - Tue, 7 Oct
Lufthansa Logo
08:30 - 19:36LHR-SAT
17h 06m2 stops
Lufthansa Logo
17:00 - 11:45SAT-LHR
12h 45m1 stop
£833Lufthansa
Find Deal
Fri, 26 Sep - Tue, 7 Oct
Lufthansa Logo
10:50 - 22:59LHR-SAT
18h 09m2 stops
Lufthansa Logo
12:10 - 09:40SAT-LHR
15h 30m2 stops
£835Lufthansa
Find Deal
Mon, 21 Apr - Mon, 5 May
Finnair Logo
10:30 - 18:18LHR-SAT
13h 48m1 stop
Finnair Logo
14:28 - 06:25SAT-LHR
33h 57m1 stop
£865Finnair
Find Deal
Sun, 27 Apr - Sat, 3 May

Finnair flights from London Heathrow Airport to San Antonio

Our best Finnair deals on London Heathrow Airport to San Antonio flight tickets
Finnair
5 May
LHR09:50London Heathrow
20h 09m
1 stop
SAT23:59San Antonio
9 May
SAT18:43San Antonio
13h 42m
1 stop
LHR14:25London Heathrow
Finnair
27 Apr
LHR10:30London Heathrow
13h 48m
1 stop
SAT18:18San Antonio
3 May
SAT14:28San Antonio
33h 57m
1 stop
LHR06:25London Heathrow
Finnair
5 May
LHR10:20London Heathrow
17h 43m
2 stops
SAT22:03San Antonio
9 May
SAT18:43San Antonio
12h 02m
1 stop
LHR12:45London Heathrow

Lufthansa flights from London Heathrow Airport to San Antonio

Our best Lufthansa deals on London Heathrow Airport to San Antonio flight tickets
Lufthansa
26 Sept
LHR08:30London Heathrow
17h 06m
2 stops
SAT19:36San Antonio
7 Oct
SAT17:00San Antonio
12h 45m
1 stop
LHR11:45London Heathrow
Lufthansa
21 Apr
LHR10:50London Heathrow
18h 09m
2 stops
SAT22:59San Antonio
5 May
SAT12:10San Antonio
15h 30m
2 stops
LHR09:40London Heathrow
Lufthansa
7 May
LHR11:25London Heathrow
18h 21m
1 stop
SAT23:46San Antonio
28 May
SAT07:00San Antonio
22h 25m
1 stop
LHR11:25London Heathrow

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 November is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £590. If you aren’t able to travel to San Antonio during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £605.

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 £644. 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 £717.

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 £640. 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 £718. 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 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £709 when searching 6 weeks out.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 £625 on momondo.

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

As of April 2025, prices for London Heathrow Airport to San Antonio flights are approximately 1% 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

Best price found

£320

Fastest flight time

12h 53m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from London Heathrow Airport in the past 72 hours is £320. The best return flight deal from London Heathrow Airport to San Antonio found on momondo in the last 72 hours is £473.
The fastest flight from London Heathrow Airport to San Antonio takes 12h 53m
There are no direct flights from London Heathrow Airport to San Antonio. Popular non-direct route for this connection is London Heathrow Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is London Heathrow to San Antonio by plane?

    San Antonio is 4973.6 mi away from London Heathrow. Typically, this will take 12h 53m 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 £529Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
IberiaPriceFrom £553Free CancellationRating
7.0
2,658 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom £618Free CancellationRating
7.3
1,328 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £680Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £698Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £731Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
LufthansaPriceFrom £767Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights

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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