Cheap flights from London to San Antonio from £290

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to San Antonio

Enter your travel dates to find the best prices.

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 12 March 2026.

Mon 13/414:00
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Mon 27/414:12
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 9/3£548
Fri 24/414:00
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Fri 8/515:14
SAT
-
LGW
2 stops36h 46m
Multiple Airlines
Deal found 10/3£614
Wed 6/514:00
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Mon 11/510:23
SAT
-
LGW
1 stop17h 37m
Multiple Airlines
Deal found 8/3£617
Mon 13/414:00
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Sun 19/414:59
SAT
-
LGW
2 stops37h 01m
Multiple Airlines
Deal found 9/3£630
Tue 1/910:20
LHR
-
SAT
2 stops18h 58m
Scandinavian Airlines
Tue 8/912:10
SAT
-
LHR
2 stops24h 20m
Scandinavian Airlines
Deal found 8/3£631
Fri 24/414:00
LGW
-
SAT
1 stop29h 17m
Multiple Airlines
Fri 1/514:12
SAT
-
LGW
1 stop13h 48m
Multiple Airlines
Deal found 10/3£641
Sat 4/414:00
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Tue 7/413:22
SAT
-
LGW
1 stop14h 38m
Multiple Airlines
Deal found 7/3£647
Wed 2/917:00
LHR
-
SAT
2 stops37h 15m
Scandinavian Airlines
Sun 6/912:10
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 7/3£657
Thu 9/414:00
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Mon 13/418:00
SAT
-
LGW
2 stops30h 20m
Multiple Airlines
Deal found 9/3£667
Mon 13/414:00
LGW
-
SAT
1 stop28h 27m
Multiple Airlines
Sat 18/418:30
SAT
-
LGW
1 stop33h 30m
Multiple Airlines
Deal found 9/3£671
Fri 25/906:40
LHR
-
SAT
2 stops21h 35m
Scandinavian Airlines
Sat 3/1012:10
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 12/3£687
Tue 21/719:50
LHR
-
SAT
2 stops31h 23m
Multiple Airlines
Mon 27/716:30
SAT
-
LHR
1 stop13h 40m
Multiple Airlines
Deal found 11/3£713

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 12 March 2026.

Round-trip from

£548

One-way from

£290

Popular in

July

Cheapest in

November

Average price

£852
13/4-27/4
  • 13/4-27/4
  • 2 total stops
  • 42h 15m total
  • London to San Antonio
4/5
  • 4/5
  • 3 total stops
  • 54h 19m total
  • London to San Antonio
Highest demand for flights based on searches. 9% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 12 March 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 return flight

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 13/4

14:00-12:27

1 stop28h 27m

San Antonio

Mon 27/4

14:12-10:00

1 stop13h 48m

£548

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 24/4

14:00-13:17

1 stop29h 17m

San Antonio

Fri 8/5

15:14-10:00

2 stops36h 46m

£614

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 6/5

14:00-14:19

2 stops30h 19m

San Antonio

Mon 11/5

10:23-10:00

1 stop17h 37m

£628

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

17:00-00:15

2 stops37h 15m

San Antonio

Sun 6/9

12:10-17:40

2 stops23h 30m

£657

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 9/4

14:00-12:27

1 stop28h 27m

San Antonio

Mon 13/4

18:00-06:20

2 stops30h 20m

£667

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 1/9

07:05-23:18

3 stops22h 13m

San Antonio

Tue 8/9

12:10-16:25

3 stops22h 15m

£683

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 22/4

14:00-13:17

1 stop29h 17m

San Antonio

Wed 29/4

14:12-10:00

1 stop13h 48m

£690

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 26/4

14:00-13:17

1 stop29h 17m

San Antonio

Sun 3/5

14:12-10:00

1 stop13h 48m

£772

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 22/4

07:25-19:48

2 stops18h 23m

San Antonio

Wed 29/4

14:02-11:55

1 stop15h 53m

£841

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 6/5

07:25-19:40

2 stops18h 15m

San Antonio

Mon 11/5

11:45-08:30

2 stops14h 45m

£841

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 57 resultsSorted by cheapest first
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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 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 6 March 2026.

To ensure you get the cheapest price possible for a flight from London to San Antonio, you should look to book at least 64 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, December 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 July is currently the most expensive (average of £548). 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 for a return flight from London to San Antonio?

What’s the top stopover airport for flights from London to San Antonio?

Share of one-stop return flights from London to San Antonio chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dallas (DFW) – chosen by Cheapflights users on 70% of one-stop itineraries from London to San Antonio on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Antonio?

Average return fare for one-stop flights from London to San Antonio, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £722.

What’s the fastest stopover option from London to San Antonio?

Shortest average travel time for one-stop one-way flights from London to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 13h 00m.

Which airport typically offers the quickest stopover for flights from London to San Antonio?

Average stopover duration for one-stop one-way flights from London to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 00m.

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 12 March 2026.
Read reviews from past customers who have flown with Finnair,Virgin Atlantic, andUnited Airlines from London to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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. 6 airlines have flights to San Antonio from London on a regular basis.

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

    There are many flights that can get you from London to San Antonio in 17h 27m. Fly via Scandinavian Airlines, Lufthansa, or Delta to get the fastest option. The distance from London to San Antonio is about 4986 mi. This flight may include one or multiple stops.

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

    Flying on Finnair is currently your cheapest option to San Antonio, with prices starting at £526. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and United Airlines, with the lowest prices starting at £580 and £667, respectively. You may be able to fly from London to San Antonio for 37% less than the average price by searching for these airlines.

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

  • 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, December 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 July is currently the most expensive (average of £548). 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

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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.

Top 6 airlines flying from London to San Antonio

Discover the top 6 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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£526Average£851FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£580Average£705FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£667Average£783FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£692Average£870FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£707Average£838FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£707Average£830FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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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.

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