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Cheap flights from London to San Antonio from $369

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 6/1. 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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0 bags

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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 - 1:23 pm
LGW
-
SAT
29h 23m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
SAT
-
LGW
23h 00m
1 stop
$608Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
2:00 pm - 1:23 pm
LGW
-
SAT
29h 23m
1 stop
Multiple Airlines Logo
6:00 am - 6:00 am
SAT
-
LGW
19h 00m
2 stops
$638Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
2:00 pm - 10:29 pm
LGW
-
SAT
14h 29m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
SAT
-
LGW
22h 00m
1 stop
$645Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
2:00 pm - 10:29 pm
LGW
-
SAT
14h 29m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
SAT
-
LGW
22h 00m
1 stop
$648Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
2:00 pm - 1:18 pm
LGW
-
SAT
29h 18m
1 stop
Multiple Airlines Logo
6:00 am - 10:00 am
SAT
-
LGW
22h 00m
1 stop
$657Multiple Airlines
Fri, Feb 27 - Sun, May 17
Lufthansa Logo
9:40 am - 11:32 pm
LCY
-
SAT
18h 52m
2 stops
Lufthansa Logo
12:17 pm - 9:20 am
SAT
-
LCY
16h 03m
2 stops
$1,013Lufthansa
Thu, Mar 12 - Thu, Mar 19
British Airways Logo
11:00 am - 5:41 pm
LCY
-
SAT
36h 41m
2 stops
British Airways Logo
5:45 pm - 8:35 am
SAT
-
LCY
56h 50m
2 stops
$1,108British Airways
Wed, Apr 15 - Sun, Apr 26
British Airways Logo
11:00 am - 9:36 am
LCY
-
SAT
28h 36m
2 stops
British Airways Logo
4:28 pm - 8:35 am
SAT
-
LCY
58h 07m
2 stops
$1,109British Airways
Wed, Apr 15 - Wed, Apr 22
Delta Logo
7:45 am - 8:30 pm
LCY
-
SAT
17h 45m
2 stops
Delta Logo
1:00 pm - 8:10 am
SAT
-
LCY
14h 10m
2 stops
$1,122Delta
Thu, Mar 12 - Thu, Mar 19
Iberia Logo
11:00 am - 8:56 pm
LCY
-
SAT
39h 56m
2 stops
Iberia Logo
5:45 pm - 8:35 am
SAT
-
LCY
56h 50m
2 stops
$1,131Iberia
Wed, Apr 15 - Tue, Apr 21

Air Canada flights from London to San Antonio

Our best Air Canada deals on London to San Antonio flight tickets
Air Canada
Feb 27
LHR12:00 pmLondon Heathrow
17h 12m
2 stops
SAT11:12 pmSan Antonio
May 17
SAT9:50 amSan Antonio
14h 45m
2 stops
LHR6:35 amLondon Heathrow
$1,019
Air Canada
May 1
LHR12:05 pmLondon Heathrow
15h 13m
1 stop
SAT9:18 pmSan Antonio
May 9
SAT8:35 amSan Antonio
19h 00m
1 stop
LHR9:35 amLondon Heathrow
$1,028
Air Canada
Apr 15
LHR2:10 pmLondon Heathrow
28h 14m
2 stops
SAT12:24 pmSan Antonio
Apr 22
SAT6:49 amSan Antonio
19h 46m
2 stops
LHR8:35 amLondon Heathrow
$1,086

Delta flights from London to San Antonio

Our best Delta deals on London to San Antonio flight tickets
Delta
Feb 2
LHR11:45 amLondon Heathrow
17h 10m
2 stops
SAT10:55 pmSan Antonio
Feb 16
SAT10:57 amSan Antonio
15h 48m
2 stops
LHR8:45 amLondon Heathrow
$1,000
Delta
Apr 13
LHR9:55 amLondon Heathrow
17h 35m
2 stops
SAT9:30 pmSan Antonio
May 4
SAT1:42 pmSan Antonio
14h 58m
1 stop
LHR10:40 amLondon Heathrow
$1,014
Delta
Apr 13
LHR8:40 amLondon Heathrow
18h 50m
2 stops
SAT9:30 pmSan Antonio
May 4
SAT5:20 amSan Antonio
19h 25m
1 stop
LHR6:45 amLondon Heathrow
$1,015

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 January 28, 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

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 3/6

2:00 pm-1:23 pm

1 stop29h 23m

San Antonio

Mon 3/9

6:00 am-10:00 am

1 stop23h 00m

$608

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 3/6

2:00 pm-1:23 pm

1 stop29h 23m

San Antonio

Mon 3/9

6:00 am-6:00 am

2 stops19h 00m

$638

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Tue 5/5

2:00 pm-10:29 pm

1 stop14h 29m

San Antonio

Tue 5/12

6:00 am-10:00 am

1 stop22h 00m

$645

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 5/6

2:00 pm-10:29 pm

1 stop14h 29m

San Antonio

Wed 5/13

6:00 am-10:00 am

1 stop22h 00m

$648

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 2/27

2:00 pm-1:18 pm

1 stop29h 18m

San Antonio

Sun 5/17

6:00 am-10:00 am

1 stop22h 00m

$657

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 3/12

9:40 am-11:32 pm

2 stops18h 52m

San Antonio

Thu 3/19

12:17 pm-9:20 am

2 stops16h 03m

$1,013

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 4/15

11:00 am-5:41 pm

2 stops36h 41m

San Antonio

Sun 4/26

5:45 pm-8:35 am

2 stops56h 50m

$1,108

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 4/15

11:00 am-9:36 am

2 stops28h 36m

San Antonio

Wed 4/22

4:28 pm-8:35 am

2 stops58h 07m

$1,109

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 3/12

7:45 am-8:30 pm

2 stops17h 45m

San Antonio

Thu 3/19

1:00 pm-8:10 am

2 stops14h 10m

$1,122

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 4/15

11:00 am-8:56 pm

2 stops39h 56m

San Antonio

Tue 4/21

5:45 pm-8:35 am

2 stops56h 50m

$1,131

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 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 March instead. Flights to San Antonio in March, while not as cheap as those in February, still average around $763.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $1,112 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 $939 on momondo.

Can stopping save me money on London to San Antonio flights?

You could potentially save up to 1% on your flight if you consider stops on a London to San Antonio flight.

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

As of January 2026, prices for London to San Antonio flights are approximately 2% 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

13h 33m

Direct flights

None
The fastest flight from London to San Antonio takes 13h 33m
There are no direct flights from London to San Antonio. There are no popular flight routes from London to San Antonio.
Search flight deals

  • 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 33m.

  • 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 many operators does momondo search for flights from London to San Antonio Airport?

  • 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.

Best airlines flying from London to San Antonio

Compare and see reviews for airlines that fly from London to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $1,014Free CancellationRating
6.7
7,704 reviews
Search British Airways flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
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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