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Cheap flights from London to San Antonio from $282

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 4/28. 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 round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from London to San Antonio.
2:00 pm - 10:53 amLGW-SAT
26h 53m1 stop
10:01 am - 10:00 amSAT-LGW
17h 59m1 stop
Sun, Apr 27 - Mon, May 12
2:00 pm - 10:53 amLGW-SAT
26h 53m1 stop
8:31 pm - 10:00 amSAT-LGW
31h 29m1 stop
Sun, Apr 20 - Mon, May 5
12:05 pm - 11:18 pmLHR-SAT
17h 13m2 stops
7:15 pm - 11:50 amSAT-LHR
34h 35m2 stops
$882Air Canada
Find Deal
Wed, Apr 23 - Fri, May 9
6:40 am - 11:26 pmLHR-SAT
22h 46m2 stops
2:10 pm - 9:40 pmSAT-LHR
25h 30m2 stops
$936Scandinavian Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 27
12:40 pm - 1:18 pmLHR-SAT
30h 38m3 stops
7:15 pm - 6:30 amSAT-LHR
29h 15m3 stops
$944Air Canada
Find Deal
Tue, May 13 - Thu, May 15
10:20 am - 11:26 pmLHR-SAT
19h 06m2 stops
2:10 pm - 4:25 pmSAT-LHR
20h 15m3 stops
$964Scandinavian Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 27
2:10 pm - 12:12 pmLHR-SAT
28h 02m1 stop
2:08 pm - 6:35 amSAT-LHR
34h 27m2 stops
$975Lufthansa
Find Deal
Sun, Apr 27 - Sat, May 3
6:00 pm - 11:04 amLHR-SAT
23h 04m2 stops
11:56 am - 10:40 amSAT-LHR
16h 44m1 stop
$1,002Lufthansa
Find Deal
Sat, May 3 - Mon, May 26
10:30 am - 6:18 pmLHR-SAT
13h 48m1 stop
6:43 pm - 12:45 pmSAT-LHR
12h 02m1 stop
$1,007Finnair
Find Deal
Mon, Apr 28 - Mon, May 12
10:30 am - 6:18 pmLHR-SAT
13h 48m1 stop
2:28 pm - 6:25 amSAT-LHR
33h 57m1 stop
$1,116Finnair
Find Deal
Sun, Apr 27 - Sat, May 3

Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets
Lufthansa
Apr 27
LHR2:10 pmLondon Heathrow
28h 02m
1 stop
SAT12:12 pmSan Antonio
May 3
SAT2:08 pmSan Antonio
34h 27m
2 stops
LHR6:35 amLondon Heathrow
Lufthansa
May 3
LHR6:00 pmLondon Heathrow
23h 04m
2 stops
SAT11:04 amSan Antonio
May 26
SAT11:56 amSan Antonio
16h 44m
1 stop
LHR10:40 amLondon Heathrow
Lufthansa
Jul 1
LHR10:00 amLondon Heathrow
13h 42m
1 stop
SAT5:42 pmSan Antonio
Jul 31
SAT4:17 pmSan Antonio
13h 18m
1 stop
LHR11:35 amLondon Heathrow

Finnair flights from London to San Antonio

Our best Finnair deals on London to San Antonio flight tickets
Finnair
Apr 28
LHR10:30 amLondon Heathrow
13h 48m
1 stop
SAT6:18 pmSan Antonio
May 12
SAT6:43 pmSan Antonio
12h 02m
1 stop
LHR12:45 pmLondon Heathrow
Finnair
Apr 27
LHR10:30 amLondon Heathrow
13h 48m
1 stop
SAT6:18 pmSan Antonio
May 3
SAT2:28 pmSan Antonio
33h 57m
1 stop
LHR6:25 amLondon Heathrow
Finnair
Jul 1
LGW12:20 pmLondon Gatwick
17h 39m
2 stops
SAT11:59 pmSan Antonio
Jul 31
SAT5:09 amSan Antonio
21h 26m
2 stops
LGW8:35 amLondon Gatwick

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 September instead. Flights to San Antonio in September, while not as cheap as those in February, still average around $759.

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 $914 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 $810 on momondo.

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

As of March 2025, prices for London to San Antonio flights are approximately 26% 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

$282

Fastest flight time

13h 12m

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 $282. The best round-trip flight deal from London to San Antonio found on momondo in the last 72 hours is $553.
The fastest flight from London to San Antonio takes 13h 12m
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 12m.

  • 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.


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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