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San Antonio

$528+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
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 July 6, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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 8/285:00 pm
LHR
-
SAT
2 stops35h 43m
Scandinavian Airlines
Fri 9/111:55 pm
SAT
-
LHR
2 stops37h 25m
Scandinavian Airlines
Deal found 7/2$787
This Scandinavian Airlines deal was found by Cheapflights users on 7/5. 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 12/64:10 pm
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 7/5$791
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/282:00 pm
LGW
-
SAT
1 stop24h 56m
Multiple Airlines
Fri 9/1110:34 pm
SAT
-
LGW
2 stops53h 26m
Multiple Airlines
Deal found 7/2$860
This TravelUp deal was found by Cheapflights users on 7/5. 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.
Sat 9/56:40 am
LHR
-
SAT
2 stops20h 24m
Scandinavian Airlines
Sat 9/192:00 pm
SAT
-
LHR
2 stops20h 00m
Scandinavian Airlines
Deal found 7/5$893
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/132:00 pm
LGW
-
SAT
1 stop25h 02m
Multiple Airlines
Sat 9/1911:08 am
SAT
-
LGW
2 stops40h 52m
Multiple Airlines
Deal found 7/5$893
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Mon 12/146:40 am
LHR
-
SAT
2 stops23h 48m
Scandinavian Airlines
Mon 12/284:10 pm
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 7/2$894
This TravelUp deal was found by Cheapflights users on 7/1. 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.
Fri 9/116:40 am
LHR
-
SAT
2 stops23h 30m
Multiple Airlines
Sun 9/201:55 pm
SAT
-
LHR
2 stops25h 45m
Multiple Airlines
Deal found 7/1$907
This Scandinavian Airlines deal was found by Cheapflights users on 7/1. 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 9/117:05 am
LHR
-
SAT
3 stops23h 05m
Scandinavian Airlines
Sun 9/201:55 pm
SAT
-
LHR
2 stops21h 45m
Scandinavian Airlines
Deal found 7/1$911
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 10/156:40 am
LHR
-
SAT
2 stops23h 28m
Scandinavian Airlines
Tue 10/2010:48 am
SAT
-
LHR
2 stops24h 52m
Scandinavian Airlines
Deal found 7/3$913
This Expedia deal was found by Cheapflights users on 7/5. 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 8/206:40 am
LHR
-
SAT
2 stops20h 24m
Scandinavian Airlines
Mon 8/312:43 pm
SAT
-
LHR
2 stops36h 37m
Scandinavian Airlines
Deal found 7/5$919
This FlightHub deal was found by Cheapflights users on 7/4. 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 11/75:00 pm
LHR
-
SAT
2 stops37h 27m
Scandinavian Airlines
Sat 11/144:10 pm
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 7/4$940
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Tue 10/208:50 am
LHR
-
SAT
3 stops30h 49m
Multiple Airlines
Wed 10/214:29 pm
SAT
-
LHR
1 stop12h 51m
Multiple Airlines
Deal found 7/1$941

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 July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$787
(Scandinavian Airlines)

One-way from

$474
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,456
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. 10% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 6, 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

LHR - SAT

LHRSAT

London Heathrow

Wed 12/2

10:20 am-11:18 pm

2 stops18h 58m

San Antonio

Sun 12/6

4:10 pm-5:40 pm

2 stops19h 30m

$787

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/14

6:40 am-12:10 am

2 stops23h 30m

San Antonio

Sat 9/19

2:00 pm-9:20 am

2 stops37h 20m

$791

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/14

6:40 am-12:10 am

2 stops23h 30m

San Antonio

Fri 9/18

1:55 pm-9:20 am

2 stops37h 25m

$791

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 9/13

2:00 pm-9:02 am

1 stop25h 02m

San Antonio

Sat 9/19

11:08 am-10:00 am

2 stops40h 52m

$893

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 9/11

7:05 am-12:10 am

3 stops23h 05m

San Antonio

Sun 9/20

1:55 pm-5:40 pm

2 stops21h 45m

$911

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 12/14

6:40 am-12:28 am

3 stops23h 48m

San Antonio

Mon 12/28

4:10 pm-9:40 pm

2 stops23h 30m

$915

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Tue 9/1

1:00 pm-9:25 pm

2 stops38h 25m

San Antonio

Tue 9/15

7:55 am-2:40 pm

2 stops24h 45m

$994

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 9/15

7:05 am-12:13 am

3 stops23h 08m

San Antonio

Sun 9/20

1:55 pm-9:40 pm

2 stops25h 45m

$1,013

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 8/16

8:00 am-9:05 pm

3 stops43h 05m

San Antonio

Sat 8/29

8:40 am-9:35 pm

3 stops30h 55m

$1,051

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 9/3

1:00 pm-7:10 pm

2 stops36h 10m

San Antonio

Tue 9/15

7:55 am-2:40 pm

2 stops24h 45m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 54 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 July.
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

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?

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 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 1h 08m. 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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