Find flights
When to book
Airlines
FAQs

Cheap flights from London to San Antonio from £218

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from London to San Antonio are usually found in February or September, 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 28 March 2025.

Round-trip from

£527

One-way from

£218

Popular in

August

Cheapest in

February

Average price

£612
8/5-15/5
  • 8/5-15/5
  • 2 total stops
  • 51h 47m total
  • London to San Antonio
30/4
  • 30/4
  • 1 total stop
  • 35h 34m total
  • London to San Antonio
Highest demand for flights based on searches. 10% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 28 March 2025.

Thu 8/517:30LHR - SAT
1 stop26h 12mMultiple Airlines
Thu 15/507:00SAT - LHR
1 stop25h 35mMultiple Airlines
Deal found 27/3£527
Thu 8/514:00LGW - SAT
1 stop24h 56mMultiple Airlines
Thu 15/512:30SAT - LGW
3 stops24h 25mMultiple Airlines
Deal found 27/3£554
Mon 28/408:10LCY - SAT
2 stops23h 00mMultiple Airlines
Mon 12/506:45SAT - LCY
2 stops28h 30mMultiple Airlines
Deal found 26/3£589
Mon 1/1211:15LHR - SAT
1 stop18h 11mFinnair
Mon 8/1214:41SAT - LHR
1 stop11h 34mFinnair
Deal found 27/3£626
Mon 1/1217:00LHR - SAT
2 stops36h 26mScandinavian Airlines
Mon 8/1212:15SAT - LHR
2 stops21h 45mScandinavian Airlines
Deal found 27/3£704
Tue 13/512:40LHR - SAT
3 stops30h 38mAir Canada
Thu 15/519:15SAT - LHR
3 stops29h 15mAir Canada
Deal found 27/3£730
Sun 27/414:10LHR - SAT
1 stop28h 02mLufthansa
Sat 3/514:08SAT - LHR
2 stops34h 27mLufthansa
Deal found 27/3£754
Wed 23/406:30LHR - SAT
2 stops17h 50mVirgin Atlantic
Fri 9/511:59SAT - LHR
1 stop12h 26mVirgin Atlantic
Deal found 27/3£788
Mon 28/406:30LHR - SAT
2 stops16h 59mDelta
Mon 12/512:08SAT - LHR
1 stop17h 02mDelta
Deal found 26/3£789
Tue 16/914:25LHR - SAT
1 stop13h 19mBritish Airways
Sat 27/917:30SAT - LHR
1 stop13h 00mBritish Airways
Deal found 27/3£792
Sun 27/415:10LHR - SAT
1 stop13h 47mIberia
Sat 3/516:04SAT - LHR
1 stop33h 16mIberia
Deal found 27/3£892
Mon 1/1218:15LCY - SAT
2 stops53h 18mLufthansa
Mon 8/1214:01SAT - LCY
2 stops20h 39mLufthansa
Deal found 27/3£909

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 28 March 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

Thu 8/5

17:30-13:42

1 stop26h 12m

San Antonio

Thu 15/5

07:00-14:35

1 stop25h 35m

£527

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 8/5

14:00-08:56

1 stop24h 56m

San Antonio

Thu 15/5

12:30-18:55

3 stops24h 25m

£554

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Mon 28/4

08:10-01:10

2 stops23h 00m

San Antonio

Mon 12/5

06:45-17:15

2 stops28h 30m

£589

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 16/9

06:40-23:26

2 stops22h 46m

San Antonio

Sat 27/9

14:10-21:40

2 stops25h 30m

£724

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 13/5

12:40-13:18

3 stops30h 38m

San Antonio

Thu 15/5

19:15-06:30

3 stops29h 15m

£730

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 27/4

14:10-12:12

1 stop28h 02m

San Antonio

Sat 3/5

14:08-06:35

2 stops34h 27m

£754

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 28/4

10:30-18:18

1 stop13h 48m

San Antonio

Mon 12/5

18:43-12:45

1 stop12h 02m

£779

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 23/4

06:30-18:20

2 stops17h 50m

San Antonio

Fri 9/5

11:59-06:25

1 stop12h 26m

£788

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 28/4

06:30-17:29

2 stops16h 59m

San Antonio

Mon 12/5

12:08-11:10

1 stop17h 02m

£789

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 16/9

14:25-21:44

1 stop13h 19m

San Antonio

Sat 27/9

17:30-12:30

1 stop13h 00m

£792

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 28 results
1
2
3

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 return 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 return flight from London to San Antonio. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from London to San Antonio, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from London to San Antonio (average of £732). Flying from London to San Antonio in August is currently the most expensive (average of £1,125). 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.

What is the cheapest time of day to fly from LON to SAT?

Find hourly flight availability from London to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.

One of the essential ways to save on airfare from London to San Antonio is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 11% on airfare.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 inches per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 28 March 2025.
Peruse reviews from past customers who have flown with Delta, Finnair and Aeromexico from London to San Antonio to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    For a flight from London to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 inbound flights from London per day. 7 airlines have flights to San Antonio from London on a regular basis.

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

    Flying on Scandinavian Airlines is currently your cheapest option to San Antonio, with prices starting at £724. Additional return tickets that might be worth considering are offered by Air Canada and Lufthansa, with the lowest prices starting at £730 and £754, respectively.

  • What are the cheapest airlines to fly from London to San Antonio one-way?

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £636. However, be on the lookout for offers from Finnair and Lufthansa, as they are both options that can get you from London to San Antonio for a low price.

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

  • Where are the most common stopover locations when flying from London to San Antonio?

  • Where are the least popular stopover locations for London to San Antonio flights?

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to San Antonio (average of £732). Flying from London to San Antonio in August is currently the most expensive (average of £1,125). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from London to San Antonio

Discover the top 7 airlines 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 858,174 searches. Data last updated 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£530Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£534Average£816FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£596Average£869FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£619Average£849FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£681Average£873FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£699Average£850FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£768Average£1,042FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to San Antonio?

Cheapflights helps you search for flights from London to San Antonio via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to San Antonio flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to San Antonio become cheaper?

Yes! Start tracking prices for London to San Antonio flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.