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San Antonio

$342+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from London to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from London to San Antonio are usually found in February or March, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/252:00 pmLGW - SAT
2 stops33h 01mMultiple Airlines
Mon 12/2912:45 pmSAT - LGW
1 stop15h 15mMultiple Airlines
Deal found 12/11$1,267
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:25 amLHR - SAT
2 stops20h 34mAmerican Airlines
Mon 12/299:32 amSAT - LHR
2 stops15h 18mAmerican Airlines
Deal found 12/11$1,269
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:25 amLHR - SAT
1 stop18h 29mUnited Airlines
Mon 1/57:30 pmSAT - LHR
2 stops28h 25mUnited Airlines
Deal found 12/11$1,289
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:10 pmLHR - SAT
2 stops15h 40mAmerican Airlines
Mon 12/299:32 amSAT - LHR
2 stops15h 18mAmerican Airlines
Deal found 12/11$1,309
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/252:00 pmLGW - SAT
1 stop27h 50mMultiple Airlines
Tue 12/306:45 amSAT - LGW
2 stops22h 10mMultiple Airlines
Deal found 12/11$1,344
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/252:00 pmLGW - SAT
2 stops33h 01mMultiple Airlines
Thu 1/112:45 pmSAT - LGW
1 stop15h 15mMultiple Airlines
Deal found 12/11$1,375
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amLHR - SAT
3 stops29h 35mMultiple Airlines
Wed 12/312:39 pmSAT - LHR
3 stops34h 31mMultiple Airlines
Deal found 12/11$1,393
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Wed 12/242:50 pmLHR - SAT
2 stops44h 45mMultiple Airlines
Tue 12/306:35 amSAT - LHR
1 stop22h 20mMultiple Airlines
Deal found 12/11$1,447
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/262:50 pmLHR - SAT
2 stops20h 45mMultiple Airlines
Tue 12/306:35 amSAT - LHR
1 stop22h 20mMultiple Airlines
Deal found 12/11$1,451
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmLGW - SAT
1 stop27h 50mMultiple Airlines
Wed 12/3112:45 pmSAT - LGW
3 stops23h 05mMultiple Airlines
Deal found 12/11$1,476
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Wed 12/242:50 pmLHR - SAT
2 stops44h 45mMultiple Airlines
Sat 1/32:52 pmSAT - LHR
1 stop17h 28mMultiple Airlines
Deal found 12/11$1,479
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/262:50 pmLHR - SAT
2 stops20h 45mMultiple Airlines
Sat 1/32:52 pmSAT - LHR
1 stop17h 28mMultiple Airlines
Deal found 12/11$1,481

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$605
(Norse)

One-way from

$342
(Norse)

Popular in

August

Cheapest in

February

Average price

$1,139
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. 13% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from London to San Antonio that are best for you.

Fly from

London

Fly to

San Antonio

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 1/26

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Mon 2/2

6:30 am-10:00 am

1 stop21h 30m

$605

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 1/10

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Mon 1/26

6:30 am-10:00 am

1 stop21h 30m

$630

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 1/30

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Sun 2/1

8:24 pm-10:00 am

2 stops31h 36m

$636

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 1/11

2:10 pm-11:52 pm

1 stop15h 42m

San Antonio

Sun 2/1

10:35 am-10:00 am

2 stops41h 25m

$638

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 1/11

2:10 pm-11:52 pm

1 stop15h 42m

San Antonio

Fri 1/30

6:30 am-10:00 am

1 stop21h 30m

$656

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 1/9

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Sun 2/1

10:35 am-10:00 am

2 stops41h 25m

$660

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 1/11

2:10 pm-11:52 pm

1 stop15h 42m

San Antonio

Thu 1/29

6:30 am-10:00 am

1 stop21h 30m

$666

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 1/24

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Sat 1/31

10:35 am-8:40 pm

3 stops28h 05m

$666

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 1/8

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Sun 2/1

10:35 am-10:00 am

2 stops41h 25m

$728

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 1/8

2:00 pm-11:52 pm

1 stop15h 52m

San Antonio

Mon 1/26

6:30 am-10:00 am

1 stop21h 30m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 42 results
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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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

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 75 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, April is the cheapest month in which you can book a flight from London to San Antonio (average of $591). Flying from London to San Antonio in July is currently the most expensive (average of $734). 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.

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?

    Scandinavian Airlines and Iberia can get you from London to San Antonio in just under 20h 37m. Your travel time can differ by up to 3h 21m. There are 4986 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 $1,014, 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.

  • 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, April is the cheapest month in which you can book a flight from London to San Antonio (average of $591). Flying from London to San Antonio in July is currently the most expensive (average of $734). 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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Alternative routes for London to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,014Average$1,421FlexibilityNo cancel feeOn-time70%

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