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Cheap flights from London to San Antonio from $473

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
2:00 pm - 11:21 am
LGW
-
SAT
27h 21m
2 stops
Multiple Airlines Logo
10:34 am - 10:00 am
SAT
-
LGW
17h 26m
1 stop
$729Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
2:00 pm - 8:56 am
LGW
-
SAT
24h 56m
1 stop
Multiple Airlines Logo
10:05 am - 10:00 am
SAT
-
LGW
17h 55m
1 stop
$743Multiple Airlines
Fri, Sep 4 - Mon, Sep 14
Multiple Airlines Logo
2:00 pm - 8:56 am
LGW
-
SAT
24h 56m
1 stop
Multiple Airlines Logo
10:05 am - 10:00 am
SAT
-
LGW
17h 55m
1 stop
$753Multiple Airlines
Fri, Sep 4 - Mon, Sep 14
Scandinavian Airlines Logo
6:40 am - 12:28 am
LHR
-
SAT
23h 48m
2 stops
Scandinavian Airlines Logo
1:55 pm - 4:00 pm
SAT
-
LHR
20h 05m
2 stops
$764Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
2:00 pm - 4:58 pm
LGW
-
SAT
32h 58m
2 stops
Multiple Airlines Logo
10:05 am - 10:00 am
SAT
-
LGW
17h 55m
1 stop
$768Multiple Airlines
Fri, Sep 4 - Mon, Sep 14
Scandinavian Airlines Logo
6:40 am - 12:28 am
LHR
-
SAT
23h 48m
2 stops
Scandinavian Airlines Logo
2:43 pm - 5:40 pm
SAT
-
LHR
20h 57m
2 stops
$769Scandinavian Airlines
Thu, Aug 27 - Sat, Sep 5
Scandinavian Airlines Logo
6:40 am - 9:04 pm
LHR
-
SAT
20h 24m
2 stops
Scandinavian Airlines Logo
2:43 pm - 9:40 pm
SAT
-
LHR
24h 57m
2 stops
$775Scandinavian Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
2:00 pm - 4:58 pm
LGW
-
SAT
32h 58m
2 stops
Multiple Airlines Logo
10:05 am - 10:00 am
SAT
-
LGW
17h 55m
1 stop
$777Multiple Airlines
Fri, Sep 4 - Mon, Sep 14
Scandinavian Airlines Logo
7:05 am - 12:28 am
LHR
-
SAT
23h 23m
3 stops
Scandinavian Airlines Logo
1:55 pm - 6:30 pm
SAT
-
LHR
22h 35m
2 stops
$779Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 21
Scandinavian Airlines Logo
6:40 am - 12:28 am
LHR
-
SAT
23h 48m
3 stops
Scandinavian Airlines Logo
1:55 pm - 9:40 pm
SAT
-
LHR
25h 45m
2 stops
$782Scandinavian Airlines
Fri, Sep 4 - Mon, Sep 14

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Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets
Lufthansa
Sep 7
LHR6:00 pmLondon Heathrow
31h 53m
2 stops
SAT7:53 pmSan Antonio
Oct 7
SAT2:00 pmSan Antonio
12h 30m
1 stop
LHR8:30 amLondon Heathrow
$1,111
Lufthansa
Sep 2
LCY9:15 amLondon City
18h 01m
2 stops
SAT9:16 pmSan Antonio
Sep 14
SAT5:30 pmSan Antonio
18h 25m
2 stops
LCY5:55 pmLondon City
$1,179
Lufthansa
Sep 4
LCY9:15 amLondon City
19h 35m
2 stops
SAT10:50 pmSan Antonio
Sep 14
SAT5:30 pmSan Antonio
18h 25m
2 stops
LCY5:55 pmLondon City
$1,216

Scandinavian Airlines flights from London to San Antonio

Our best Scandinavian Airlines deals on London to San Antonio flight tickets
Scandinavian Airlines
Sep 7
LHR6:40 amLondon Heathrow
23h 48m
2 stops
SAT12:28 amSan Antonio
Sep 21
SAT1:55 pmSan Antonio
20h 05m
2 stops
LHR4:00 pmLondon Heathrow
$764
Scandinavian Airlines
Aug 27
LHR6:40 amLondon Heathrow
23h 48m
2 stops
SAT12:28 amSan Antonio
Sep 5
SAT2:43 pmSan Antonio
20h 57m
2 stops
LHR5:40 pmLondon Heathrow
$769
Scandinavian Airlines
Aug 29
LHR6:40 amLondon Heathrow
20h 24m
2 stops
SAT9:04 pmSan Antonio
Sep 5
SAT2:43 pmSan Antonio
24h 57m
2 stops
LHR9:40 pmLondon Heathrow
$775

momondo Fare Finder

 
Customize your flight search to find flights from London to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from London to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 10/14

2:00 pm-11:21 am

2 stops27h 21m

San Antonio

Wed 10/21

10:34 am-10:00 am

1 stop17h 26m

$729
Quickest round-trip

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 9/4

2:00 pm-8:56 am

1 stop24h 56m

San Antonio

Mon 9/14

10:05 am-10:00 am

1 stop17h 55m

$743

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 9/4

2:00 pm-8:56 am

1 stop24h 56m

San Antonio

Mon 9/14

10:05 am-10:00 am

1 stop17h 55m

$753

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/7

6:40 am-12:28 am

2 stops23h 48m

San Antonio

Mon 9/21

1:55 pm-4:00 pm

2 stops20h 05m

$764

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 9/4

2:00 pm-4:58 pm

2 stops32h 58m

San Antonio

Mon 9/14

10:05 am-10:00 am

1 stop17h 55m

$768

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 8/27

6:40 am-12:28 am

2 stops23h 48m

San Antonio

Sat 9/5

2:43 pm-5:40 pm

2 stops20h 57m

$769

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 8/29

6:40 am-9:04 pm

2 stops20h 24m

San Antonio

Sat 9/5

2:43 pm-9:40 pm

2 stops24h 57m

$775

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 9/4

2:00 pm-4:58 pm

2 stops32h 58m

San Antonio

Mon 9/14

10:05 am-10:00 am

1 stop17h 55m

$777

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/7

7:05 am-12:28 am

3 stops23h 23m

San Antonio

Mon 9/21

1:55 pm-6:30 pm

2 stops22h 35m

$779

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 9/4

6:40 am-12:28 am

3 stops23h 48m

San Antonio

Mon 9/14

1:55 pm-9:40 pm

2 stops25h 45m

$782

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 $1,129 to $1,679.
The lowest price recently found on this route was $729.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from London during February instead. Flights to San Antonio in February, while not as cheap as those in September, still average around $1,031.

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 $1,266 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 $840 on momondo.

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

As of July 2026, prices for London to San Antonio flights are approximately 28% 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

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from London to San Antonio takes 16h 45m
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 45m.

  • 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
Pleasanton
Kerrville
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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