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$378+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
ago. 12 — ago. 191
mar. 8/12
mar. 8/19
1 adult, Economy
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Cheapflights Tip: The best prices from London to San Antonio are usually found in February or March, booked 83 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 agosto 7, 2025.

Round-trip from

$769
(The Travel House)

One-way from

$378
(Norse)

Popular in

August

Cheapest in

February

Average price

$1,319
From London (LON) to San Antonio
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One-way flight from London (LON) to San Antonio
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Highest demand for flights based on searches. 12% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 agosto 7, 2025.

This The Travel House deal was found by Cheapflights users on 8/6. 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.
dom. 9/76:40 pmLHR - SAT
2 stops35h 14mScandinavian Airlines
sáb. 9/203:00 pmSAT - LHR
2 stops20h 40mScandinavian Airlines
Deal found 8/6$769
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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.
sáb. 9/206:40 amLHR - SAT
2 stops22h 37mScandinavian Airlines
sáb. 9/2711:35 amSAT - LHR
2 stops22h 25mScandinavian Airlines
Deal found 8/6$792
This Mytrip deal was found by Cheapflights users on 8/6. 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.
vie. 9/53:05 pmLHR - SAT
3 stops35h 47mMultiple Airlines
vie. 9/127:17 pmSAT - LHR
3 stops30h 43mMultiple Airlines
Deal found 8/6$803
This The Travel House deal was found by Cheapflights users on 8/5. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/266:40 amLHR - SAT
2 stops23h 19mScandinavian Airlines
mar. 10/73:00 pmSAT - LHR
2 stops19h 00mScandinavian Airlines
Deal found 8/5$815
This Mytrip deal was found by Cheapflights users on 8/6. 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.
sáb. 9/201:25 pmLHR - SAT
3 stops30h 24mMultiple Airlines
sáb. 9/278:37 pmSAT - LHR
3 stops30h 28mMultiple Airlines
Deal found 8/6$821
This Mytrip deal was found by Cheapflights users on 8/6. 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.
sáb. 9/209:50 amLGW - SAT
1 stop15h 42mMultiple Airlines
sáb. 9/278:37 pmSAT - LGW
3 stops31h 08mMultiple Airlines
Deal found 8/6$846
This Mytrip deal was found by Cheapflights users on 8/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/182:05 pmLHR - SAT
3 stops31h 50mMultiple Airlines
vie. 10/247:19 pmSAT - LHR
3 stops30h 51mMultiple Airlines
Deal found 8/5$848
This Trip.com deal was found by Cheapflights users on 8/6. 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.
sáb. 9/139:00 amLHR - SAT
2 stops34h 49mMultiple Airlines
vie. 9/1912:45 pmSAT - LHR
2 stops35h 50mMultiple Airlines
Deal found 8/6$868
This Mytrip deal was found by Cheapflights users on 8/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1910:00 amLGW - SAT
3 stops31h 00mMultiple Airlines
vie. 9/2612:45 pmSAT - LGW
1 stop15h 15mMultiple Airlines
Deal found 8/5$876
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
dom. 9/711:35 amLGW - SAT
2 stops17h 59mMultiple Airlines
sáb. 9/208:37 pmSAT - LGW
1 stop32h 18mMultiple Airlines
Deal found 8/6$891
This Icelandair deal was found by Cheapflights users on 8/6. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2511:55 amLGW - SAT
2 stops17h 25mMultiple Airlines
mar. 12/210:55 amSAT - LGW
2 stops18h 00mMultiple Airlines
Deal found 8/6$993
This United Airlines deal was found by Cheapflights users on 8/6. 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.
mar. 11/259:50 amLCY - SAT
2 stops17h 30mMultiple Airlines
mar. 12/22:12 pmSAT - LCY
2 stops20h 18mMultiple Airlines
Deal found 8/6$994

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 agosto 7, 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

LHR - SAT

LHRSAT

London Heathrow

dom. 9/7

6:40 pm-11:54 pm

2 stops35h 14m

San Antonio

sáb. 9/20

3:00 pm-5:40 pm

2 stops20h 40m

$769

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

sáb. 9/20

6:40 am-11:17 pm

2 stops22h 37m

San Antonio

sáb. 9/27

11:35 am-4:00 pm

2 stops22h 25m

$792

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

vie. 9/5

3:05 pm-8:52 pm

3 stops35h 47m

San Antonio

vie. 9/12

7:17 pm-8:00 am

3 stops30h 43m

$803

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

vie. 9/26

6:40 am-11:59 pm

2 stops23h 19m

San Antonio

mar. 10/7

3:00 pm-4:00 pm

2 stops19h 00m

$815

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

sáb. 9/20

1:25 pm-1:49 pm

3 stops30h 24m

San Antonio

sáb. 9/27

8:37 pm-9:05 am

3 stops30h 28m

$821

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

sáb. 9/20

9:50 am-7:32 pm

1 stop15h 42m

San Antonio

sáb. 9/27

8:37 pm-9:45 am

3 stops31h 08m

$846

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

sáb. 10/18

2:05 pm-3:55 pm

3 stops31h 50m

San Antonio

vie. 10/24

7:19 pm-8:10 am

3 stops30h 51m

$848

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

sáb. 9/13

9:00 am-1:49 pm

2 stops34h 49m

San Antonio

vie. 9/19

12:45 pm-6:35 am

2 stops35h 50m

$868

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

vie. 9/19

10:00 am-11:00 am

3 stops31h 00m

San Antonio

vie. 9/26

12:45 pm-10:00 am

1 stop15h 15m

$876

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

dom. 9/7

11:35 am-11:34 pm

2 stops17h 59m

San Antonio

sáb. 9/20

8:37 pm-10:55 am

1 stop32h 18m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 51 results
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2
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6

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 August 1, 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 83 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, August is the cheapest month in which you can book a flight from London to San Antonio (average of $295). Flying from London to San Antonio in March is currently the most expensive (average of $376). 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?

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated agosto 7, 2025.
See what other customers who have flown with Delta, KLM, and Finnair from London to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
KLM
7.8
Good
1,382 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Finnair
7.6
Good
1,319 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Scandinavian Airlines
7.4
Good
1,465 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • What are the cheapest airlines flying from London to San Antonio round-trip?

    Currently priced at $769, Scandinavian Airlines will fly you from London to San Antonio and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as $999. Scandinavian Airlines is currently priced 20% 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, August is the cheapest month in which you can book a flight from London to San Antonio (average of $295). Flying from London to San Antonio in March is currently the most expensive (average of $376). 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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