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Cheap flights from San Antonio to London from $249

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 12/15. 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 San Antonio to London (SAT-LGW)

Cheap round-trip flights

Logo
8:28 pm - 10:55 amSAT-LGW
32h 27m1 stop
Logo
2:00 pm - 1:49 pmLGW-SAT
29h 49m1 stop
$569
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
2:54 pm - 10:00 amSAT-LGW
13h 06m1 stop
Logo
2:00 pm - 3:55 pmLGW-SAT
31h 55m1 stop
$591
Find Deal
Thu, Oct 2 - Thu, Oct 9
American Airlines Logo
8:00 am - 6:35 amSAT-LGW
16h 35m2 stops
American Airlines Logo
12:20 pm - 11:00 pmLGW-SAT
16h 40m2 stops
$594American Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Logo
6:00 am - 10:00 amSAT-LGW
22h 00m1 stop
Logo
2:00 pm - 10:27 pmLGW-SAT
14h 27m1 stop
$609
Find Deal
Sun, Dec 14 - Thu, Jan 15
Logo
8:20 pm - 10:00 amSAT-LGW
31h 40m2 stops
Logo
2:00 pm - 6:15 pmLGW-SAT
34h 15m1 stop
$624
Find Deal
Thu, Oct 2 - Thu, Oct 9
Logo
8:37 pm - 9:30 amSAT-LGW
30h 53m1 stop
Logo
2:00 pm - 11:40 amLGW-SAT
27h 40m1 stop
$627
Find Deal
Sun, Sep 21 - Thu, Oct 2
Logo
8:28 pm - 10:55 amSAT-LGW
32h 27m1 stop
Logo
2:00 pm - 1:49 pmLGW-SAT
29h 49m1 stop
$629
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
8:37 pm - 10:50 amSAT-LGW
32h 13m1 stop
Logo
2:00 pm - 1:49 pmLGW-SAT
29h 49m1 stop
$633
Find Deal
Sun, Sep 7 - Wed, Sep 10
Logo
8:28 pm - 10:55 amSAT-LGW
32h 27m1 stop
Logo
2:00 pm - 10:48 amLGW-SAT
26h 48m2 stops
$636
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
9:33 pm - 9:30 amSAT-LGW
29h 57m2 stops
Logo
2:00 pm - 11:40 amLGW-SAT
27h 40m1 stop
$638
Find Deal
Sun, Sep 21 - Thu, Oct 2

Turkish Airlines flights from San Antonio to London Gatwick Airport

Our best Turkish Airlines deals on San Antonio to London Gatwick Airport flight tickets
Turkish Airlines
Sep 3
SAT11:45 amSan Antonio
43h 15m
2 stops
LGW1:00 pmLondon Gatwick
Sep 10
LGW2:00 pmLondon Gatwick
38h 48m
2 stops
SAT10:48 pmSan Antonio
$1,324
Find similar
Turkish Airlines
Sep 2
SAT5:58 pmSan Antonio
40h 17m
2 stops
LGW4:15 pmLondon Gatwick
Sep 8
LGW10:55 amLondon Gatwick
41h 53m
2 stops
SAT10:48 pmSan Antonio
$1,330
Find similar
Turkish Airlines
Sep 2
SAT7:15 pmSan Antonio
39h 00m
2 stops
LGW4:15 pmLondon Gatwick
Sep 5
LGW2:00 pmLondon Gatwick
38h 48m
2 stops
SAT10:48 pmSan Antonio
$1,593
Find similar

Virgin Atlantic flights from San Antonio to London Gatwick Airport

Our best Virgin Atlantic deals on San Antonio to London Gatwick Airport flight tickets
Virgin Atlantic
Aug 22
SAT11:27 amSan Antonio
16h 33m
2 stops
LGW10:00 amLondon Gatwick
Aug 27
LGW12:00 pmLondon Gatwick
17h 57m
2 stops
SAT11:57 pmSan Antonio
$1,316
Find similar
Virgin Atlantic
Aug 30
SAT8:00 amSan Antonio
20h 00m
2 stops
LGW10:00 amLondon Gatwick
Sep 6
LGW12:00 pmLondon Gatwick
17h 57m
2 stops
SAT11:57 pmSan Antonio
$1,419
Find similar
Virgin Atlantic
Sep 2
SAT11:33 amSan Antonio
16h 27m
1 stop
LGW10:00 amLondon Gatwick
Sep 5
LGW12:00 pmLondon Gatwick
28h 38m
1 stop
SAT10:38 amSan Antonio
$1,664
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 August 20, 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

Wed 9/3

8:28 pm-10:55 am

1 stop32h 27m

London Gatwick

Wed 9/10

2:00 pm-1:49 pm

1 stop29h 49m

$569

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Thu 10/2

2:54 pm-10:00 am

1 stop13h 06m

London Gatwick

Thu 10/9

2:00 pm-3:55 pm

1 stop31h 55m

$591

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sat 9/27

8:00 am-6:35 am

2 stops16h 35m

London Gatwick

Sat 10/4

12:20 pm-11:00 pm

2 stops16h 40m

$594

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 12/14

6:00 am-10:00 am

1 stop22h 00m

London Gatwick

Thu 1/15

2:00 pm-10:27 pm

1 stop14h 27m

$609

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Thu 10/2

8:20 pm-10:00 am

2 stops31h 40m

London Gatwick

Thu 10/9

2:00 pm-6:15 pm

1 stop34h 15m

$624

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 9/21

8:37 pm-9:30 am

1 stop30h 53m

London Gatwick

Thu 10/2

2:00 pm-11:40 am

1 stop27h 40m

$627

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Wed 9/3

8:28 pm-10:55 am

1 stop32h 27m

London Gatwick

Wed 9/10

2:00 pm-1:49 pm

1 stop29h 49m

$629

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 9/7

8:37 pm-10:50 am

1 stop32h 13m

London Gatwick

Wed 9/10

2:00 pm-1:49 pm

1 stop29h 49m

$633

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Wed 9/3

8:28 pm-10:55 am

1 stop32h 27m

London Gatwick

Wed 9/10

2:00 pm-10:48 am

2 stops26h 48m

$636

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 9/21

9:33 pm-9:30 am

2 stops29h 57m

London Gatwick

Thu 10/2

2:00 pm-11:40 am

1 stop27h 40m

$638

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

Direct flights

None
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 13h 06m.

  • 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
10,000 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.

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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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