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Cheap flights from London to San Antonio from $571

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
6:40 pm - 10:27 pmLHR  London Heathrow-SAT San Antonio
33h 47m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
4:10 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 20m2 stops Los Angeles Los Angeles Kastrup Copenhagen
$790Scandinavian Airlines
Tue, Feb 2 - Fri, Feb 19
Scandinavian Airlines Logo
6:40 pm - 10:27 pmLHR  London Heathrow-SAT San Antonio
33h 47m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
4:10 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 20m2 stops Los Angeles Los Angeles Kastrup Copenhagen
$794Scandinavian Airlines
Tue, Feb 2 - Fri, Feb 19
Air Canada Logo
8:30 am - 10:13 pmLHR  London Heathrow-SAT San Antonio
19h 43m1 stop Toronto Pearson Intl
Air Canada Logo
8:50 am - 6:35 amSAT  San Antonio-LHR London Heathrow
15h 45m1 stop Toronto Pearson Intl
$799Air Canada
Fri, Oct 2 - Sat, Oct 17
Air Canada Logo
8:30 am - 10:13 pmLHR  London Heathrow-SAT San Antonio
19h 43m1 stop Toronto Pearson Intl
Air Canada Logo
8:50 am - 6:35 amSAT  San Antonio-LHR London Heathrow
15h 45m1 stop Toronto Pearson Intl
$801Air Canada
Fri, Oct 2 - Sat, Oct 17
Scandinavian Airlines Logo
10:20 am - 11:18 pmLHR  London Heathrow-SAT San Antonio
18h 58m2 stops Kastrup Copenhagen Los Angeles Los Angeles
Scandinavian Airlines Logo
4:10 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 20m2 stops Los Angeles Los Angeles Kastrup Copenhagen
$827Scandinavian Airlines
Fri, Feb 12 - Fri, Feb 19
Air Canada Logo
8:30 am - 10:13 pmLHR  London Heathrow-SAT San Antonio
19h 43m1 stop Toronto Pearson Intl
Air Canada Logo
8:50 am - 8:35 amSAT  San Antonio-LHR London Heathrow
17h 45m2 stops Toronto Pearson Intl Ottawa
$854Air Canada
Fri, Oct 2 - Sat, Oct 17
Multiple Airlines Logo
8:30 am - 10:13 pmLHR  London Heathrow-SAT San Antonio
19h 43m1 stop Toronto Pearson Intl
Multiple Airlines Logo
8:50 am - 9:55 amSAT  San Antonio-LHR London Heathrow
19h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss
$861Multiple Airlines
Fri, Oct 2 - Sat, Oct 17
Air Canada Logo
6:00 pm - 9:26 pmLHR  London Heathrow-SAT San Antonio
32h 26m2 stops Toronto Pearson Intl Houston George Bush Intcntl
Air Canada Logo
7:35 am - 8:30 amSAT  San Antonio-LHR London Heathrow
18h 55m2 stops Houston George Bush Intcntl Toronto Pearson Intl
$878Air Canada
Fri, Oct 30 - Fri, Nov 6
Multiple Airlines Logo
2:00 pm - 9:08 amLGW  London Gatwick-SAT San Antonio
25h 08m1 stop Orlando
Multiple Airlines Logo
10:03 am - 10:00 amSAT  San Antonio-LGW London Gatwick
17h 57m1 stop Orlando
$914Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
United Airlines Logo
10:00 am - 6:05 pmLHR  London Heathrow-SAT San Antonio
14h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
12:12 pm - 6:40 amSAT  San Antonio-LHR London Heathrow
12h 28m1 stop Washington, D.C. Dulles Intl
$936United Airlines
Wed, Nov 25 - Tue, Dec 1

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Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets
Lufthansa
Sep 29
LHR11:05 amLondon Heathrow
16h 26m
2 stops
SAT9:31 pmSan Antonio
Dec 10
SAT11:47 amSan Antonio
14h 08m
2 stops
LHR7:55 amLondon Heathrow
$1,194
Lufthansa
Nov 2
LHR11:35 amLondon Heathrow
15h 18m
1 stop
SAT8:53 pmSan Antonio
Nov 16
SAT12:24 pmSan Antonio
16h 26m
1 stop
LHR10:50 amLondon Heathrow
$1,199
Lufthansa
Nov 14
LHR6:00 pmLondon Heathrow
30h 05m
2 stops
SAT6:05 pmSan Antonio
Nov 22
SAT5:30 amSan Antonio
43h 55m
3 stops
LHR7:25 amLondon Heathrow
$1,225

Scandinavian Airlines flights from London to San Antonio

Our best Scandinavian Airlines deals on London to San Antonio flight tickets
Scandinavian Airlines
Feb 2
LHR6:40 pmLondon Heathrow
33h 47m
2 stops
SAT10:27 pmSan Antonio
Feb 19
SAT4:10 pmSan Antonio
20h 20m
2 stops
LHR6:30 pmLondon Heathrow
$790
Scandinavian Airlines
Feb 2
LHR6:40 pmLondon Heathrow
33h 47m
2 stops
SAT10:27 pmSan Antonio
Feb 19
SAT4:10 pmSan Antonio
20h 20m
2 stops
LHR6:30 pmLondon Heathrow
$794
Scandinavian Airlines
Feb 12
LHR10:20 amLondon Heathrow
18h 58m
2 stops
SAT11:18 pmSan Antonio
Feb 19
SAT4:10 pmSan Antonio
20h 20m
2 stops
LHR6:30 pmLondon Heathrow
$827

momondo Fare Finder

 
Use the filters below to find and compare flights from London to San Antonio that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 2/2

6:40 pm-10:27 pm

2 stops33h 47m

San Antonio

Fri 2/19

4:10 pm-6:30 pm

2 stops20h 20m

$790

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 2/2

6:40 pm-10:27 pm

2 stops33h 47m

San Antonio

Fri 2/19

4:10 pm-6:30 pm

2 stops20h 20m

$794

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 10/2

8:30 am-10:13 pm

1 stop19h 43m

San Antonio

Sat 10/17

8:50 am-6:35 am

1 stop15h 45m

$799

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 10/2

8:30 am-10:13 pm

1 stop19h 43m

San Antonio

Sat 10/17

8:50 am-6:35 am

1 stop15h 45m

$801

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 2/12

10:20 am-11:18 pm

2 stops18h 58m

San Antonio

Fri 2/19

4:10 pm-6:30 pm

2 stops20h 20m

$827

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 10/2

8:30 am-10:13 pm

1 stop19h 43m

San Antonio

Sat 10/17

8:50 am-8:35 am

2 stops17h 45m

$854

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 10/2

8:30 am-10:13 pm

1 stop19h 43m

San Antonio

Sat 10/17

8:50 am-9:55 am

2 stops19h 05m

$861

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 10/30

6:00 pm-9:26 pm

2 stops32h 26m

San Antonio

Fri 11/6

7:35 am-8:30 am

2 stops18h 55m

$878

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Thu 10/15

2:00 pm-9:08 am

1 stop25h 08m

San Antonio

Wed 10/21

10:03 am-10:00 am

1 stop17h 57m

$914
Quickest round-trip

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 11/25

10:00 am-6:05 pm

1 stop14h 05m

San Antonio

Tue 12/1

12:12 pm-6:40 am

1 stop12h 28m

$936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $882 to $1,169.
The lowest price recently found on this route was $790.

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 $1,134.

How far in advance should I book a flight from London to San Antonio?

You are more likely to see cheaper flights to San Antonio from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $1,356 when searching 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 $1,195 on momondo.

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

As of September 2026, prices for London to San Antonio flights are approximately 24% more expensive 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

$571

Fastest flight time

13h 40m

Direct flights

None
The best one-way flight to San Antonio from London in the past 72 hours is $571. The best round-trip flight deal from London to San Antonio found on momondo in the last 72 hours is $790.
The fastest flight from London to San Antonio takes 13h 40m
There are no direct flights from London to San Antonio. There are no popular flight routes from London to San Antonio.
Search flight deals

Frequently asked questions about flying from London to San Antonio

  • 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 40m.

  • 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
Pleasanton
Boerne
Schertz

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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