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Cheap flights from San Antonio to London from $269

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 1/21. 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
$507Multiple Airlines
Thu, Jan 22 - Fri, Jan 23
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
$509Multiple Airlines
Fri, Jan 23 - Sat, Jan 24
Multiple Airlines Logo
7:14 pm - 6:00 am
SAT
-
LGW
28h 46m2 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$516Multiple Airlines
Sun, Jan 11 - Thu, Jan 29
Multiple Airlines Logo
7:14 pm - 10:00 am
SAT
-
LGW
32h 46m1 stop
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$524Multiple Airlines
Sun, Jan 11 - Thu, Jan 29
Multiple Airlines Logo
10:35 am - 10:00 am
SAT
-
LGW
41h 25m2 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$551Multiple Airlines
Sun, Jan 25 - Fri, Jan 30
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
21h 30m1 stop
Multiple Airlines Logo
2:00 pm - 5:03 pm
LGW
-
SAT
33h 03m2 stops
$560Multiple Airlines
Fri, Jan 23 - Sat, Jan 24
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
$568Multiple Airlines
Mon, Jan 19 - Fri, Jan 30
Multiple Airlines Logo
6:18 pm - 6:00 am
SAT
-
LGW
29h 42m2 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$584Multiple Airlines
Mon, Jan 19 - Fri, Jan 30
Multiple Airlines Logo
6:30 am - 10:55 am
SAT
-
LGW
22h 25m3 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$607Multiple Airlines
Wed, Jan 14 - Thu, Jan 22
Multiple Airlines Logo
10:35 am - 8:35 pm
SAT
-
LGW
28h 00m3 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$626Multiple Airlines
Sun, Jan 11 - Thu, Jan 29

Iberia flights from San Antonio to London Gatwick Airport

Our best Iberia deals on San Antonio to London Gatwick Airport flight tickets
Iberia
Jan 14
SAT3:07 pmSan Antonio
37h 43m
2 stops
LGW10:50 amLondon Gatwick
Jan 21
LGW7:40 pmLondon Gatwick
20h 12m
2 stops
SAT9:52 amSan Antonio
$999
Find similar
Iberia
Dec 7
SAT1:49 pmSan Antonio
23h 11m
2 stops
LGW7:00 pmLondon Gatwick
Dec 14
LGW7:40 pmLondon Gatwick
32h 20m
2 stops
SAT10:00 pmSan Antonio
$1,050
Find similar
Iberia
Dec 7
SAT1:49 pmSan Antonio
23h 11m
2 stops
LGW7:00 pmLondon Gatwick
Dec 14
LGW7:40 pmLondon Gatwick
32h 20m
2 stops
SAT10:00 pmSan Antonio
$1,165
Find similar

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 29
SAT10:32 amSan Antonio
16h 28m
2 stops
LGW9:00 amLondon Gatwick
Feb 4
LGW11:20 amLondon Gatwick
18h 38m
2 stops
SAT11:58 pmSan Antonio
$708
Find similar
American Airlines
Dec 16
SAT7:21 amSan Antonio
18h 09m
2 stops
LGW7:30 amLondon Gatwick
Mar 31
LGW10:40 amLondon Gatwick
19h 13m
2 stops
SAT11:53 pmSan Antonio
$817
Find similar
American Airlines
Jan 16
SAT5:10 amSan Antonio
20h 20m
2 stops
LGW7:30 amLondon Gatwick
Jan 20
LGW11:20 amLondon Gatwick
42h 39m
2 stops
SAT11:59 pmSan Antonio
$920
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 December 4, 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

Thu 1/22

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Fri 1/23

2:00 pm-11:52 pm

1 stop15h 52m

$507

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Fri 1/23

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Sat 1/24

2:00 pm-11:52 pm

1 stop15h 52m

$509

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 1/11

7:14 pm-6:00 am

2 stops28h 46m

London Gatwick

Thu 1/29

2:00 pm-11:52 pm

1 stop15h 52m

$516

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 1/11

7:14 pm-10:00 am

1 stop32h 46m

London Gatwick

Thu 1/29

2:00 pm-11:52 pm

1 stop15h 52m

$524

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 1/25

10:35 am-10:00 am

2 stops41h 25m

London Gatwick

Fri 1/30

2:00 pm-11:52 pm

1 stop15h 52m

$551

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Fri 1/23

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Sat 1/24

2:00 pm-5:03 pm

2 stops33h 03m

$560

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 1/19

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Fri 1/30

2:00 pm-11:52 pm

1 stop15h 52m

$568

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 1/19

6:18 pm-6:00 am

2 stops29h 42m

London Gatwick

Fri 1/30

2:00 pm-11:52 pm

1 stop15h 52m

$584

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Wed 1/14

6:30 am-10:55 am

3 stops22h 25m

London Gatwick

Thu 1/22

2:00 pm-11:52 pm

1 stop15h 52m

$607

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 1/11

10:35 am-8:35 pm

3 stops28h 00m

London Gatwick

Thu 1/29

2:00 pm-11:52 pm

1 stop15h 52m

$626

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 50m

Direct flights

None
The fastest flight from San Antonio to London Gatwick Airport takes 12h 50m
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 16h 28m.

  • 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
11,047 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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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