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San Antonio

$402+ Cheap flights from London (LON) to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
1 adult, Economy
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Cheap flight deals from London to San Antonio

Cheapest flights from London to San Antonio
Explore the most affordable flight options available from London to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.

This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am
LHR
-
SAT
2 stops45h 13m
Multiple Airlines
Tue 10/203:56 pm
SAT
-
LHR
1 stop14h 14m
Multiple Airlines
Deal found 5/18$870
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/112:00 pm
LGW
-
SAT
1 stop31h 37m
Multiple Airlines
Mon 6/158:56 pm
SAT
-
LGW
2 stops31h 04m
Multiple Airlines
Deal found 5/14$904
This The Travel House deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:40 am
LHR
-
SAT
2 stops21h 35m
Scandinavian Airlines
Tue 9/1512:10 pm
SAT
-
LHR
2 stops39h 25m
Scandinavian Airlines
Deal found 5/18$906
This The Travel House deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:00 pm
LHR
-
SAT
2 stops36h 28m
Scandinavian Airlines
Wed 11/1112:15 pm
SAT
-
LHR
2 stops39h 05m
Scandinavian Airlines
Deal found 5/17$925
This TravelUp deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:40 am
LHR
-
SAT
2 stops21h 47m
Scandinavian Airlines
Mon 12/214:10 pm
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 5/18$948
This TravelUp deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:40 am
LHR
-
SAT
2 stops23h 12m
Scandinavian Airlines
Mon 6/152:40 pm
SAT
-
LHR
2 stops21h 00m
Scandinavian Airlines
Deal found 5/14$962
This Trip.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:30 am
LHR
-
SAT
1 stop18h 43m
Air Canada
Tue 9/159:00 am
SAT
-
LHR
1 stop15h 35m
Air Canada
Deal found 5/18$971
This Scandinavian Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:20 am
LHR
-
SAT
2 stops18h 58m
Scandinavian Airlines
Sun 12/612:15 pm
SAT
-
LHR
2 stops23h 25m
Scandinavian Airlines
Deal found 5/17$982
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:15 am
LGW
-
SAT
2 stops31h 00m
Multiple Airlines
Tue 6/168:30 am
SAT
-
LGW
3 stops26h 40m
Multiple Airlines
Deal found 5/18$1,055
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:00 pm
LGW
-
SAT
2 stops36h 11m
Multiple Airlines
Mon 6/294:22 pm
SAT
-
LGW
1 stop35h 38m
Multiple Airlines
Deal found 5/17$1,091
This Trip.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:40 am
LGW
-
SAT
1 stop17h 38m
Multiple Airlines
Tue 6/168:30 am
SAT
-
LGW
1 stop20h 15m
Multiple Airlines
Deal found 5/17$1,095
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/142:00 pm
LGW
-
SAT
1 stop31h 37m
Multiple Airlines
Sun 6/217:51 pm
SAT
-
LGW
2 stops32h 09m
Multiple Airlines
Deal found 5/17$1,124

Find flight deals from London to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$870
(Expedia)

One-way from

$402
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$1,321
Provider with most accurate pricing for London (LON)-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-San Antonio flights.
Search Deals
From London (LON) to San Antonio
Search Deals
One-way flight from London (LON) to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 19, 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

Thu 6/11

2:00 pm-3:37 pm

1 stop31h 37m

San Antonio

Mon 6/15

8:56 pm-10:00 am

2 stops31h 04m

$904

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 6/11

6:40 am-11:52 pm

2 stops23h 12m

San Antonio

Mon 6/15

2:40 pm-6:50 pm

3 stops22h 10m

$986

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 9/3

7:05 am-10:15 pm

3 stops21h 10m

San Antonio

Tue 9/8

12:10 pm-6:50 pm

3 stops24h 40m

$997

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Tue 6/2

9:15 am-10:15 am

2 stops31h 00m

San Antonio

Tue 6/16

8:30 am-5:10 pm

3 stops26h 40m

$1,055

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 10/20

7:05 am-12:28 am

3 stops23h 23m

San Antonio

Sun 10/25

2:10 pm-4:25 pm

3 stops21h 15m

$1,159

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 9/26

6:40 am-11:18 pm

2 stops22h 38m

San Antonio

Sat 10/3

12:10 pm-6:30 pm

2 stops24h 20m

$1,164

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 9/15

10:20 am-11:18 pm

2 stops18h 58m

San Antonio

Sun 9/20

2:10 pm-9:40 pm

2 stops25h 30m

$1,164

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 6/10

2:00 pm-6:56 pm

2 stops34h 56m

San Antonio

Mon 6/15

10:50 am-7:55 am

1 stop15h 05m

$1,205

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 6/15

10:10 am-10:15 am

2 stops30h 05m

San Antonio

Mon 6/29

10:50 am-7:55 am

1 stop15h 05m

$1,279

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 11/12

11:45 am-9:57 pm

2 stops40h 12m

San Antonio

Mon 11/16

12:55 pm-7:00 pm

2 stops48h 05m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 53 resultsSorted by cheapest first
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6

Compare providers for flights from London to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to San Antonio in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to San Antonio

How far ahead should I book a flight from London to San Antonio?

The price you pay for your flight from London to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to San Antonio?

Currently, June is the cheapest month in which you can book a flight from London to San Antonio (average of $327). Flying from London to San Antonio in January is currently the most expensive (average of $941). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London to San Antonio?

Related info for your journey

Find useful and relevant information for your journey from London to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from London?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from London. Booking flights from London to San Antonio (SAT) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

  • How long is the flight from London to San Antonio?

    Scandinavian Airlines, Iberia, and Lufthansa can get you from London to San Antonio in just under 18h 01m. Your travel time can differ by up to 5h 11m. There are 4986 mi between London and San Antonio. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from London to San Antonio?

    When deciding which route to take from London to San Antonio consider London Heathrow - San Antonio, London Gatwick - San Antonio or London City - San Antonio as they are the most popular.

  • Can I find deals for flights from London to San Antonio that include hotel bookings?

    Yes. In addition to deals on London to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Antonio.

  • Can I find deals for business class flights from London to San Antonio?

    Yes. Cheapflights offers flight deals from London to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to San Antonio?

    Currently, June is the cheapest month in which you can book a flight from London to San Antonio (average of $327). Flying from London to San Antonio in January is currently the most expensive (average of $941). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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