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$418+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
Apr 27 — May 41
Mon 4/27
Mon 5/4
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 March 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Fri 5/82:00 pm
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Fri 5/157:54 pm
SAT
-
LGW
2 stops32h 06m
Multiple Airlines
Deal found 3/24$831
This Norse deal was found by Cheapflights users on 3/25. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:00 pm
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Sat 5/162:12 pm
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 3/25$840
This Norse deal was found by Cheapflights users on 3/23. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:00 pm
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Sat 4/252:12 pm
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 3/23$856
This Norse deal was found by Cheapflights users on 3/24. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:00 pm
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Wed 4/292:12 pm
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 3/24$861
This Expedia deal was found by Cheapflights users on 3/23. 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.
Wed 6/246:00 am
LHR
-
SAT
2 stops21h 13m
Multiple Airlines
Wed 9/2312:50 pm
SAT
-
LHR
1 stop12h 20m
Multiple Airlines
Deal found 3/23$864
This Norse deal was found by Cheapflights users on 3/25. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/102:00 pm
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Sat 5/162:12 pm
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 3/25$877
This The Travel House deal was found by Cheapflights users on 3/24. 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.
Mon 4/137:30 pm
LHR
-
SAT
2 stops35h 16m
Scandinavian Airlines
Mon 5/43:33 pm
SAT
-
LHR
2 stops42h 27m
Scandinavian Airlines
Deal found 3/24$881
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/202:00 pm
LGW
-
SAT
2 stops55h 53m
Multiple Airlines
Mon 5/42:12 pm
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 3/23$904
This Expedia deal was found by Cheapflights users on 3/23. 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 9/101:45 pm
LHR
-
SAT
2 stops37h 28m
Multiple Airlines
Fri 10/25:50 pm
SAT
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 3/23$915
This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:40 am
LHR
-
SAT
2 stops23h 35m
Scandinavian Airlines
Wed 10/214:10 pm
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 3/24$918
This lastminute.com deal was found by Cheapflights users on 3/23. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:30 pm
LHR
-
SAT
2 stops35h 16m
Scandinavian Airlines
Mon 5/43:33 pm
SAT
-
LHR
2 stops42h 27m
Scandinavian Airlines
Deal found 3/23$921
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 9/256:40 am
LHR
-
SAT
2 stops21h 35m
Scandinavian Airlines
Sat 10/312:10 pm
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 3/27$930

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 March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$831
(Kiwi.com)

One-way from

$418
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,144
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. 3% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 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

Cheapest round-trip

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 5/9

2:00 pm-1:17 pm

1 stop29h 17m

San Antonio

Sat 5/16

2:12 pm-10:00 am

1 stop13h 48m

$842

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 4/22

2:00 pm-1:17 pm

1 stop29h 17m

San Antonio

Wed 4/29

2:12 pm-10:00 am

1 stop13h 48m

$861

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 4/22

9:15 am-10:58 pm

2 stops19h 43m

San Antonio

Wed 4/29

5:50 pm-5:55 pm

2 stops18h 05m

$1,171

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 6/11

6:55 pm-9:18 pm

3 stops32h 23m

San Antonio

Sat 6/20

9:00 am-10:05 pm

3 stops31h 05m

$1,173

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 4/19

6:00 am-9:05 am

3 stops33h 05m

San Antonio

Fri 4/24

2:12 pm-10:00 am

1 stop13h 48m

$1,175

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 4/22

9:00 am-10:58 pm

2 stops19h 58m

San Antonio

Wed 4/29

11:46 am-7:45 am

1 stop13h 59m

$1,181

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 5/9

10:05 pm-4:20 pm

3 stops24h 15m

San Antonio

Sat 5/16

8:30 am-9:00 pm

3 stops30h 30m

$1,205

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 4/12

7:30 pm-11:07 pm

2 stops33h 37m

San Antonio

Wed 4/29

12:15 pm-10:25 am

1 stop16h 10m

$1,246

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 5/7

6:00 am-11:59 pm

3 stops47h 59m

San Antonio

Thu 5/14

8:30 am-11:05 pm

3 stops32h 35m

$1,248

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 6/6

10:05 am-11:24 pm

1 stop19h 19m

San Antonio

Sat 6/20

12:45 pm-10:00 am

1 stop15h 15m

$1,252

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 50 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from London to San Antonio. Price data was last updated on March 13, 2026.

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 64 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, December is the cheapest month in which you can book a flight from London to San Antonio (average of $439). Flying from London to San Antonio in July is currently the most expensive (average of $737). 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 1 airline.

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

    Lufthansa, United Airlines, and Delta can get you from London to San Antonio in just under 16h 46m. Your travel time can differ by up to 3h 12m. There are 4967 mi between London and San Antonio. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from London to San Antonio round-trip?

    Currently priced at $1,045, British Airways will fly you from London to San Antonio and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. British Airways is currently priced 7% below the average price you’ll pay for this route.

  • 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, December is the cheapest month in which you can book a flight from London to San Antonio (average of $439). Flying from London to San Antonio in July is currently the most expensive (average of $737). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to San Antonio

Discover the top airline that operate flights from London to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,045Average$1,421FlexibilityNo cancel feeOn-time70%

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