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Cheap flights from London to San Antonio from $579

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 am - 10:19 pmLHR  London Heathrow-SAT San Antonio
21h 39m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:45 pm - 5:40 pmSAT  San Antonio-LHR London Heathrow
21h 55m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$756Scandinavian Airlines
Fri, Dec 4 - Sun, Dec 6
Scandinavian Airlines Logo
5:00 pm - 12:45 amLHR  London Heathrow-SAT San Antonio
37h 45m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
4:00 pm - 9:40 pmSAT  San Antonio-LHR London Heathrow
23h 40m2 stops Los Angeles Kastrup Copenhagen
$777Scandinavian Airlines
Sat, Jan 16 - Thu, Jan 21
Scandinavian Airlines Logo
6:40 am - 12:45 amLHR  London Heathrow-SAT San Antonio
24h 05m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
4:00 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 30m2 stops Los Angeles Kastrup Copenhagen
$777Scandinavian Airlines
Sun, Jan 17 - Thu, Jan 21
Scandinavian Airlines Logo
6:40 am - 12:03 amLHR  London Heathrow-SAT San Antonio
23h 23m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
11:04 am - 5:40 pmSAT  San Antonio-LHR London Heathrow
24h 36m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$778Scandinavian Airlines
Mon, Nov 16 - Mon, Nov 23
Scandinavian Airlines Logo
7:05 am - 12:33 amLHR  London Heathrow-SAT San Antonio
23h 28m3 stops Oslo Gardermoen Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
11:04 am - 6:30 pmSAT  San Antonio-LHR London Heathrow
25h 26m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$782Scandinavian Airlines
Mon, Nov 16 - Mon, Nov 23
Scandinavian Airlines Logo
10:20 am - 11:18 pmLHR  London Heathrow-SAT San Antonio
18h 58m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
4:10 pm - 5:40 pmSAT  San Antonio-LHR London Heathrow
19h 30m2 stops Los Angeles Kastrup Copenhagen
$785Scandinavian Airlines
Wed, Apr 7 - Wed, Apr 14
Scandinavian Airlines Logo
6:40 am - 11:44 pmLHR  London Heathrow-SAT San Antonio
23h 04m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
4:10 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 20m2 stops Los Angeles Kastrup Copenhagen
$785Scandinavian Airlines
Wed, Feb 10 - Wed, Feb 17
Scandinavian Airlines Logo
7:05 am - 12:35 amLHR  London Heathrow-SAT San Antonio
23h 30m3 stops Oslo Gardermoen Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:45 pm - 5:40 pmSAT  San Antonio-LHR London Heathrow
21h 55m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$794Scandinavian Airlines
Fri, Dec 4 - Sun, Dec 6
Scandinavian Airlines Logo
5:00 pm - 10:27 pmLHR  London Heathrow-SAT San Antonio
35h 27m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
4:10 pm - 5:40 pmSAT  San Antonio-LHR London Heathrow
20h 30m2 stops Los Angeles Kastrup Copenhagen
$810Scandinavian Airlines
Thu, Mar 4 - Thu, Mar 18
Scandinavian Airlines Logo
10:20 am - 12:03 amLHR  London Heathrow-SAT San Antonio
19h 43m2 stops Kastrup Copenhagen Los Angeles
Scandinavian Airlines Logo
4:00 pm - 6:30 pmSAT  San Antonio-LHR London Heathrow
20h 30m2 stops Los Angeles Kastrup Copenhagen
$810Scandinavian Airlines
Tue, Nov 10 - Wed, Feb 10

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Scandinavian Airlines flights from London to San Antonio

Our best Scandinavian Airlines deals on London to San Antonio flight tickets
Scandinavian Airlines
Dec 4
LHR6:40 amLondon Heathrow
21h 39m
2 stops
SAT10:19 pmSan Antonio
Dec 6
SAT1:45 pmSan Antonio
21h 55m
2 stops
LHR5:40 pmLondon Heathrow
$756
Scandinavian Airlines
Jan 16
LHR5:00 pmLondon Heathrow
37h 45m
2 stops
SAT12:45 amSan Antonio
Jan 21
SAT4:00 pmSan Antonio
23h 40m
2 stops
LHR9:40 pmLondon Heathrow
$777
Scandinavian Airlines
Nov 16
LHR6:40 amLondon Heathrow
23h 23m
2 stops
SAT12:03 amSan Antonio
Nov 23
SAT11:04 amSan Antonio
24h 36m
2 stops
LHR5:40 pmLondon Heathrow
$778

Virgin Atlantic flights from London to San Antonio

Our best Virgin Atlantic deals on London to San Antonio flight tickets
Virgin Atlantic
Nov 23
LHR4:00 pmLondon Heathrow
14h 33m
1 stop
SAT12:33 amSan Antonio
Nov 30
SAT11:45 amSan Antonio
14h 00m
1 stop
LHR7:45 amLondon Heathrow
$1,169
Virgin Atlantic
Nov 16
LHR9:50 amLondon Heathrow
17h 36m
1 stop
SAT9:26 pmSan Antonio
Nov 23
SAT11:04 amSan Antonio
13h 21m
1 stop
LHR6:25 amLondon Heathrow
$1,182
Virgin Atlantic
Nov 11
LHR9:50 amLondon Heathrow
13h 50m
1 stop
SAT5:40 pmSan Antonio
Nov 30
SAT4:32 pmSan Antonio
33h 18m
1 stop
LHR7:50 amLondon Heathrow
$1,188

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 12/4

6:40 am-10:19 pm

2 stops21h 39m

San Antonio

Sun 12/6

1:45 pm-5:40 pm

2 stops21h 55m

$756

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sat 1/16

5:00 pm-12:45 am

2 stops37h 45m

San Antonio

Thu 1/21

4:00 pm-9:40 pm

2 stops23h 40m

$777

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sun 1/17

6:40 am-12:45 am

2 stops24h 05m

San Antonio

Thu 1/21

4:00 pm-6:30 pm

2 stops20h 30m

$777

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 11/16

6:40 am-12:03 am

2 stops23h 23m

San Antonio

Mon 11/23

11:04 am-5:40 pm

2 stops24h 36m

$778

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 11/16

7:05 am-12:33 am

3 stops23h 28m

San Antonio

Mon 11/23

11:04 am-6:30 pm

2 stops25h 26m

$782
Quickest round-trip

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 4/7

10:20 am-11:18 pm

2 stops18h 58m

San Antonio

Wed 4/14

4:10 pm-5:40 pm

2 stops19h 30m

$785

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 2/10

6:40 am-11:44 pm

2 stops23h 04m

San Antonio

Wed 2/17

4:10 pm-6:30 pm

2 stops20h 20m

$785

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 12/4

7:05 am-12:35 am

3 stops23h 30m

San Antonio

Sun 12/6

1:45 pm-5:40 pm

2 stops21h 55m

$794

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Thu 3/4

5:00 pm-10:27 pm

2 stops35h 27m

San Antonio

Thu 3/18

4:10 pm-5:40 pm

2 stops20h 30m

$810

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 11/10

10:20 am-12:03 am

2 stops19h 43m

San Antonio

Wed 2/10

4:00 pm-6:30 pm

2 stops20h 30m

$810

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 $1,193 to $1,414.
The lowest price recently found on this route was $756.

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 January instead. Flights to San Antonio in January, while not as cheap as those in February, still average around $1,162.

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

As of October 2026, prices for London to San Antonio flights are approximately 25% 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

$579

Fastest flight time

16h 44m

Direct flights

None
The best one-way flight to San Antonio from London in the past 72 hours is $579. The best round-trip flight deal from London to San Antonio found on momondo in the last 72 hours is $756.
The fastest flight from London to San Antonio takes 16h 44m
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 16h 44m.

  • 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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