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Cheap flights from London to San Antonio from $453

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 8/19. 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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0 bags

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Find the cheapest flights from London to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from London to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.
 Logo
10:45 am - 1:42 pmLGW-SAT
32h 57m1 stop
 Logo
10:00 am - 10:00 amSAT-LGW
18h 00m1 stop
Mon, Jun 9 - Mon, Jun 23
 Logo
10:45 am - 1:42 pmLGW-SAT
32h 57m1 stop
 Logo
10:00 am - 10:00 amSAT-LGW
18h 00m1 stop
Mon, Jun 9 - Mon, Jun 23
Scandinavian Airlines Logo
6:40 am - 12:17 amLHR-SAT
23h 37m2 stops
Scandinavian Airlines Logo
11:48 am - 9:40 pmSAT-LHR
27h 52m2 stops
$922Scandinavian Airlines
Find Deal
Mon, Jun 9 - Mon, Jun 16
Delta Logo
6:30 am - 10:18 pmLHR-SAT
21h 48m2 stops
Delta Logo
8:00 am - 11:10 amSAT-LHR
21h 10m1 stop
$1,058Delta
Find Deal
Mon, May 12 - Mon, May 19
American Airlines Logo
3:00 pm - 10:16 pmLHR-SAT
13h 16m1 stop
American Airlines Logo
8:34 pm - 6:25 amSAT-LHR
27h 51m1 stop
$1,074American Airlines
Find Deal
Mon, May 12 - Sun, May 18
Scandinavian Airlines Logo
6:40 am - 11:21 pmLHR-SAT
22h 41m2 stops
Scandinavian Airlines Logo
12:10 pm - 1:35 pmSAT-LHR
19h 25m2 stops
$1,075Scandinavian Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
Delta Logo
3:15 pm - 12:25 amLHR-SAT
15h 10m1 stop
Delta Logo
12:15 pm - 6:45 amSAT-LHR
12h 30m1 stop
$1,076Delta
Find Deal
Mon, Sep 8 - Tue, Sep 23
British Airways Logo
10:30 am - 5:42 pmLHR-SAT
13h 12m1 stop
British Airways Logo
5:30 pm - 10:50 amSAT-LHR
11h 20m1 stop
$1,093British Airways
Find Deal
Fri, Sep 26 - Tue, Oct 7
American Airlines Logo
3:00 pm - 10:16 pmLHR-SAT
13h 16m1 stop
American Airlines Logo
6:05 pm - 12:30 pmSAT-LHR
12h 25m1 stop
$1,114American Airlines
Find Deal
Sun, May 11 - Thu, May 22
British Airways Logo
9:15 am - 5:38 pmLHR-SAT
14h 23m1 stop
British Airways Logo
6:12 pm - 12:45 pmSAT-LHR
12h 33m1 stop
$1,170British Airways
Find Deal
Wed, Jul 9 - Wed, Jul 16

Delta flights from London to San Antonio

Our best Delta deals on London to San Antonio flight tickets
Delta
May 12
LHR6:30 amLondon Heathrow
21h 48m
2 stops
SAT10:18 pmSan Antonio
May 19
SAT8:00 amSan Antonio
21h 10m
1 stop
LHR11:10 amLondon Heathrow
Delta
Sep 8
LHR3:15 pmLondon Heathrow
15h 10m
1 stop
SAT12:25 amSan Antonio
Sep 23
SAT12:15 pmSan Antonio
12h 30m
1 stop
LHR6:45 amLondon Heathrow
Delta
May 13
LHR11:45 amLondon Heathrow
18h 36m
2 stops
SAT12:21 amSan Antonio
May 18
SAT1:30 pmSan Antonio
14h 20m
2 stops
LHR9:50 amLondon Heathrow

American Airlines flights from London to San Antonio

Our best American Airlines deals on London to San Antonio flight tickets
American Airlines
May 12
LHR3:00 pmLondon Heathrow
13h 16m
1 stop
SAT10:16 pmSan Antonio
May 18
SAT8:34 pmSan Antonio
27h 51m
1 stop
LHR6:25 amLondon Heathrow
American Airlines
May 11
LHR3:00 pmLondon Heathrow
13h 16m
1 stop
SAT10:16 pmSan Antonio
May 22
SAT6:05 pmSan Antonio
12h 25m
1 stop
LHR12:30 pmLondon Heathrow
American Airlines
May 10
LHR4:25 pmLondon Heathrow
13h 33m
1 stop
SAT11:58 pmSan Antonio
May 17
SAT5:44 pmSan Antonio
11h 06m
1 stop
LHR10:50 amLondon Heathrow

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?

If you aren’t able to travel during the month of February, then book flights to San Antonio from London during November instead. Flights to San Antonio in November, while not as cheap as those in February, still average around $761.

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

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $973. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $1,240.

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

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from London to San Antonio in the morning for as low as $1,222. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $1,260. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $932 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 for as low as $807 on momondo.

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

As of April 2025, prices for London to San Antonio flights are approximately 1% cheaper 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 round-trip 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

$453

Fastest flight time

13h 08m

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 $453. The best round-trip flight deal from London to San Antonio found on momondo in the last 72 hours is $622.
The fastest flight from London to San Antonio takes 13h 08m
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)

  • How far is London to San Antonio by plane?

    A flight from London to San Antonio will travel around 4985.7 mi. By plane, this route typically takes 13h 08m.

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

    Prices for flights from London to San Antonio Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?


Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Schertz
Boerne
Pleasanton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to San Antonio. momondo saves you time and could save you money on your trip.

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

All flight searches from London to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to San Antonio from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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