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Cheap flights from San Antonio to London from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to London departing on 4/12. 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
0 bags

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Find the cheapest flights from San Antonio to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
21h 30m1 stop
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$532Multiple Airlines
sex, jan 16 - sex, jan 23
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
21h 30m1 stop
Multiple Airlines Logo
2:00 pm - 9:40 am
LGW
-
SAT
49h 40m2 stops
$566Multiple Airlines
sex, jan 16 - sex, jan 23
Multiple Airlines Logo
6:30 am - 6:00 am
SAT
-
LGW
41h 30m2 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$722Multiple Airlines
ter, jan 13 - sex, jan 16
American Airlines Logo
7:00 am - 7:30 am
SAT
-
LGW
18h 30m2 stops
American Airlines Logo
11:20 am - 11:58 pm
LGW
-
SAT
18h 38m2 stops
$739American Airlines
qui, jan 15 - qui, jan 22
American Airlines Logo
8:10 am - 7:30 am
SAT
-
LGW
17h 20m2 stops
American Airlines Logo
11:20 am - 11:58 pm
LGW
-
SAT
18h 38m2 stops
$785American Airlines
qui, jan 15 - qui, jan 22
Multiple Airlines Logo
10:26 am - 6:00 am
SAT
-
LGW
38h 34m2 stops
Multiple Airlines Logo
2:00 pm - 1:55 pm
LGW
-
SAT
28h 55m1 stop
$932Multiple Airlines
ter, mar 17 - sex, mar 20
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
22h 30m1 stop
Multiple Airlines Logo
2:00 pm - 9:22 am
LGW
-
SAT
49h 22m2 stops
$990Multiple Airlines
ter, mar 24 - sáb, abr 4
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
22h 30m1 stop
Multiple Airlines Logo
2:00 pm - 10:50 pm
LGW
-
SAT
14h 50m1 stop
$998Multiple Airlines
ter, mar 24 - sáb, abr 4
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
22h 30m1 stop
Multiple Airlines Logo
2:00 pm - 9:22 am
LGW
-
SAT
49h 22m2 stops
$1,001Multiple Airlines
ter, mar 24 - sáb, abr 4
Iberia Logo
1:33 pm - 7:00 pm
SAT
-
LGW
24h 27m2 stops
Iberia Logo
11:45 am - 11:53 pm
LGW
-
SAT
41h 08m2 stops
$1,008Iberia
qua, mar 11 - dom, mar 15

American Airlines flights from San Antonio to London Gatwick Airport

Our best American Airlines deals on San Antonio to London Gatwick Airport flight tickets
American Airlines
Jan 15
SAT7:00 amSan Antonio
18h 30m
2 stops
LGW7:30 amLondon Gatwick
Jan 22
LGW11:20 amLondon Gatwick
18h 38m
2 stops
SAT11:58 pmSan Antonio
$739
Find similar
American Airlines
Jan 15
SAT8:10 amSan Antonio
17h 20m
2 stops
LGW7:30 amLondon Gatwick
Jan 22
LGW11:20 amLondon Gatwick
18h 38m
2 stops
SAT11:58 pmSan Antonio
$785
Find similar

Iberia flights from San Antonio to London Gatwick Airport

Our best Iberia deals on San Antonio to London Gatwick Airport flight tickets
Iberia
Mar 11
SAT1:33 pmSan Antonio
24h 27m
2 stops
LGW7:00 pmLondon Gatwick
Mar 15
LGW11:45 amLondon Gatwick
41h 08m
2 stops
SAT11:53 pmSan Antonio
$1,008
Find similar
Iberia
Mar 11
SAT1:33 pmSan Antonio
24h 27m
2 stops
LGW7:00 pmLondon Gatwick
Mar 15
LGW11:45 amLondon Gatwick
41h 08m
2 stops
SAT11:53 pmSan Antonio
$1,060
Find similar
Iberia
Jan 7
SAT1:08 pmSan Antonio
47h 52m
2 stops
LGW7:00 pmLondon Gatwick
Jan 14
LGW7:40 pmLondon Gatwick
33h 02m
2 stops
SAT10:42 pmSan Antonio
$1,173
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to London Gatwick Airport 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 dezembro 11, 2025.
Use the filters below to find and compare flights from San Antonio to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

sex 1/16

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

sex 1/23

2:00 pm-11:52 pm

1 stop15h 52m

$532

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

sex 1/16

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

sex 1/23

2:00 pm-9:40 am

2 stops49h 40m

$566

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

ter 1/13

6:30 am-6:00 am

2 stops41h 30m

London Gatwick

sex 1/16

2:00 pm-11:52 pm

1 stop15h 52m

$722

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

qui 1/15

7:00 am-7:30 am

2 stops18h 30m

London Gatwick

qui 1/22

11:20 am-11:58 pm

2 stops18h 38m

$739

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

qui 1/15

8:10 am-7:30 am

2 stops17h 20m

London Gatwick

qui 1/22

11:20 am-11:58 pm

2 stops18h 38m

$785

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

ter 3/17

10:26 am-6:00 am

2 stops38h 34m

London Gatwick

sex 3/20

2:00 pm-1:55 pm

1 stop28h 55m

$932

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

ter 3/24

6:30 am-10:00 am

1 stop22h 30m

London Gatwick

sáb 4/4

2:00 pm-9:22 am

2 stops49h 22m

$990

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

ter 3/24

6:30 am-10:00 am

1 stop22h 30m

London Gatwick

sáb 4/4

2:00 pm-10:50 pm

1 stop14h 50m

$998

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

ter 3/24

6:30 am-10:00 am

1 stop22h 30m

London Gatwick

sáb 4/4

2:00 pm-9:22 am

2 stops49h 22m

$1,001

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

qua 3/11

1:33 pm-7:00 pm

2 stops24h 27m

London Gatwick

dom 3/15

11:45 am-11:53 pm

2 stops41h 08m

$1,008

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 London from

How to get the cheapest flight ticket from San Antonio to London Gatwick Airport

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 day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from San Antonio to London Gatwick Airport is on a Tuesday when prices can be found for as low as $666. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Wednesday is $993.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from San Antonio in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $899 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $993 per ticket.

When to book flights from San Antonio to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to London Gatwick Airport (SAT to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to London Gatwick Airport

Fastest flight time

12h 55m

Direct flights

None
The fastest flight from San Antonio to London Gatwick Airport takes 12h 55m
There are no direct flights from San Antonio to London Gatwick Airport. There are no popular flight routes from San Antonio to London Gatwick Airport.
Search flight deals

  • How far is San Antonio to London Gatwick by plane?

    The distance between San Antonio and London Gatwick is about 4993.7 mi. A reasonable flight in good conditions will take 12h 55m.

  • When did momondo last update prices for flights from San Antonio Airport to London Gatwick Airport?

    Prices for flights from San Antonio Airport to London Gatwick Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from San Antonio Airport to London Gatwick Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Antonio to London Gatwick Airport?

Best airlines flying from San Antonio to London Gatwick Airport

Compare and see reviews for airlines that fly from San Antonio to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $611Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Antonio.

Can I find flights from San Antonio to London with flexible booking policies on momondo?

All flight searches from San Antonio to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to London.

I’m not ready to book a flight from San Antonio to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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