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Cheap flights from London Heathrow Airport to San Antonio from $402

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 5/9. 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 round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to San Antonio.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to San Antonio

Find recent round-trip train or bus tickets from London Heathrow Airport to San Antonio.

All round-trip flight deals from London Heathrow Airport to San Antonio

The cheapest plane tickets from London Heathrow Airport to San Antonio found on KAYAK recently.
11:50 am - 8:10 pmLHR-SAT
14h 20m1 stop
3:15 pm - 12:00 pmSAT-LHR
14h 45m1 stop
$645Finnair
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Mon, Feb 3 - Wed, Mar 5
11:50 am - 8:10 pmLHR-SAT
14h 20m1 stop
3:15 pm - 12:00 pmSAT-LHR
14h 45m1 stop
$648Finnair
Find Deal
Mon, Feb 3 - Wed, Mar 5
12:25 pm - 6:15 pmLHR-SAT
35h 50m3 stops
5:45 am - 5:30 pmSAT-LHR
29h 45m3 stops
Sun, Feb 9 - Tue, Feb 18
8:25 pm - 12:44 amLHR-SAT
34h 19m2 stops
7:00 am - 9:45 amSAT-LHR
21h 45m1 stop
Tue, Mar 4 - Tue, Mar 18
6:15 am - 8:17 pmLHR-SAT
20h 02m2 stops
5:00 pm - 9:25 amSAT-LHR
34h 25m2 stops
$933Virgin Atlantic
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Tue, Apr 29 - Tue, May 6
6:40 am - 9:54 pmLHR-SAT
21h 14m2 stops
7:00 am - 6:30 pmSAT-LHR
29h 30m2 stops
$944Scandinavian Airlines
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Sat, Feb 1 - Sat, Feb 8
6:40 am - 11:44 pmLHR-SAT
23h 04m2 stops
11:30 am - 9:20 amSAT-LHR
15h 50m2 stops
$947Scandinavian Airlines
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Thu, Feb 20 - Thu, Feb 27
10:00 am - 10:59 pmLHR-SAT
18h 59m2 stops
11:03 am - 11:10 amSAT-LHR
18h 07m2 stops
$951Delta
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Tue, Feb 4 - Tue, Mar 4
8:40 am - 10:59 pmLHR-SAT
20h 19m2 stops
12:22 pm - 7:55 amSAT-LHR
13h 33m1 stop
$954Delta
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Tue, Feb 4 - Tue, Mar 4
11:45 am - 12:37 amLHR-SAT
17h 52m2 stops
6:26 pm - 1:10 pmSAT-LHR
13h 44m2 stops
$991Virgin Atlantic
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Wed, Mar 19 - Sat, Mar 22
7:20 am - 5:50 pmLHR-SAT
40h 30m2 stops
Fri, May 9
6:20 am - 11:22 pmLHR-SAT
23h 02m3 stops
Thu, May 8
3:15 pm - 7:19 pmLHR-SAT
34h 04m3 stops
Thu, Mar 6
1:30 pm - 5:50 pmLHR-SAT
34h 20m3 stops
Wed, Apr 9
12:10 pm - 11:52 pmLHR-SAT
17h 42m2 stops
$641Aer Lingus
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Mon, Feb 17
12:10 pm - 11:48 pmLHR-SAT
17h 38m2 stops
$677Aer Lingus
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Thu, Mar 6
11:25 am - 9:07 pmLHR-SAT
15h 42m1 stop
$738Lufthansa
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Wed, May 14
2:10 pm - 11:48 pmLHR-SAT
15h 38m1 stop
$946Iberia
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Thu, Mar 6
2:25 pm - 11:18 pmLHR-SAT
14h 53m1 stop
$949British Airways
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Thu, May 8
2:25 pm - 11:51 pmLHR-SAT
15h 26m1 stop
$950British Airways
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Thu, Apr 10
6:40 am - 9:54 pmLHR-SAT
21h 14m2 stops
1:59 pm - 4:00 pmSAT-LHR
20h 01m2 stops
$1,034Scandinavian Airlines
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Sat, Jan 25 - Fri, Jan 31
6:40 am - 9:54 pmLHR-SAT
21h 14m2 stops
1:59 pm - 4:25 pmSAT-LHR
20h 26m3 stops
$1,086Scandinavian Airlines
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Sat, Jan 25 - Fri, Jan 31
2:50 pm - 7:35 pmLHR-SAT
58h 45m2 stops
1:02 pm - 9:35 amSAT-LHR
14h 33m1 stop
$1,126
Find Deal
Sat, Jan 25 - Fri, Jan 31
10:20 am - 12:57 pmLHR-SAT
32h 37m3 stops
7:00 am - 4:00 pmSAT-LHR
27h 00m3 stops
$1,127
Find Deal
Sat, Jan 25 - Fri, Jan 31
1:50 pm - 10:14 pmLHR-SAT
14h 24m1 stop
12:26 pm - 7:20 amSAT-LHR
12h 54m1 stop
$1,547Iberia
Find Deal
Sat, Jan 25 - Fri, Jan 31

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
Feb 1
LHR6:40 amLondon Heathrow
21h 14m
2 stops
SAT9:54 pmSan Antonio
Feb 8
SAT7:00 amSan Antonio
29h 30m
2 stops
LHR6:30 pmLondon Heathrow
Scandinavian Airlines
Feb 20
LHR6:40 amLondon Heathrow
23h 04m
2 stops
SAT11:44 pmSan Antonio
Feb 27
SAT11:30 amSan Antonio
15h 50m
2 stops
LHR9:20 amLondon Heathrow
Scandinavian Airlines
Feb 3
LHR6:40 amLondon Heathrow
23h 47m
2 stops
SAT12:27 amSan Antonio
Mar 5
SAT11:30 amSan Antonio
15h 50m
2 stops
LHR9:20 amLondon Heathrow

United Airlines flights from London Heathrow Airport to San Antonio

Our best United Airlines deals on London Heathrow Airport to San Antonio flight tickets
United Airlines
Mar 7
LHR12:45 pmLondon Heathrow
16h 18m
1 stop
SAT11:03 pmSan Antonio
Mar 14
SAT12:11 pmSan Antonio
13h 29m
1 stop
LHR6:40 amLondon Heathrow
United Airlines
Feb 18
LHR12:50 pmLondon Heathrow
14h 47m
1 stop
SAT9:37 pmSan Antonio
Feb 25
SAT2:31 pmSan Antonio
10h 59m
1 stop
LHR7:30 amLondon Heathrow
United Airlines
Feb 2
LHR7:40 amLondon Heathrow
18h 41m
2 stops
SAT8:21 pmSan Antonio
Feb 8
SAT12:08 pmSan Antonio
12h 32m
1 stop
LHR6:40 amLondon 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?

If you aren’t able to travel during the month of November, then book flights to San Antonio from London Heathrow Airport during September instead. Flights to San Antonio in September, while not as cheap as those in November, still average around $777.

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 Heathrow Airport 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 Heathrow Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $908 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 $804 on momondo.

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

As of January 2025, prices for London Heathrow Airport to San Antonio flights are approximately 12% more expensive 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 round-trip 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

$402

Fastest flight time

12h 51m

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 $402. The best round-trip flight deal from London Heathrow Airport to San Antonio found on momondo in the last 72 hours is $645.
The fastest flight from London Heathrow Airport to San Antonio takes 12h 51m
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?

    A flight from London Heathrow to San Antonio will travel around 4973.6 mi. In terms of flight time, this usually takes a little over 12h 51m.

  • 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 are updated daily.

  • 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 necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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. momondo enables you to select and highlight flights to San Antonio from London with this policy.

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?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from London and alert you when they change.


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