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Cheap flights from London Heathrow Airport to San Antonio from £375

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
22 Jan — 29 Jan1
1 adult

The best prices from London Heathrow to San Antonio are usually found in November or September, booked 84 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 17 January 2025.

Round-trip from

£584

One-way from

£375

Popular in

August

Cheapest in

November

Average price

£647
25/2-4/3
  • 25/2-4/3
  • 4 total stops
  • 46h 16m total
  • London to San Antonio
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4/2
  • 4/2
  • 3 total stops
  • 51h 12m total
  • London to San Antonio
Search Deals
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to San Antonio

Cheapest flights from Heathrow to San Antonio
Explore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Tue 25/210:20LHR - SAT
2 stops24h 16mMultiple Airlines
Tue 4/305:45SAT - LHR
2 stops22h 00mMultiple Airlines
Deal found 16/1£584
Sat 15/212:10LHR - SAT
1 stop14h 41mFinnair
Sat 22/215:15SAT - LHR
1 stop14h 45mFinnair
Deal found 16/1£585
Tue 25/214:10LHR - SAT
1 stop15h 40mIberia
Tue 4/306:03SAT - LHR
2 stops30h 47mIberia
Deal found 16/1£769
Tue 4/206:40LHR - SAT
2 stops23h 04mScandinavian Airlines
Tue 4/307:00SAT - LHR
2 stops28h 40mScandinavian Airlines
Deal found 17/1£770
Tue 4/208:40LHR - SAT
2 stops19h 17mDelta
Tue 4/312:22SAT - LHR
1 stop13h 33mDelta
Deal found 17/1£776
Tue 4/213:50LHR - SAT
1 stop15h 12mBritish Airways
Tue 4/316:32SAT - LHR
1 stop13h 33mBritish Airways
Deal found 16/1£781
Fri 26/910:25LHR - SAT
2 stops15h 46mVirgin Atlantic
Tue 7/1012:10SAT - LHR
1 stop17h 00mVirgin Atlantic
Deal found 16/1£804
Sat 10/516:00LHR - SAT
2 stops25h 08mLufthansa
Sun 18/519:00SAT - LHR
1 stop34h 35mLufthansa
Deal found 16/1£825
Sun 2/208:20LHR - SAT
1 stop17h 21mAmerican Airlines
Sat 8/217:40SAT - LHR
1 stop31h 40mAmerican Airlines
Deal found 17/1£851
Fri 21/207:40LHR - SAT
2 stops18h 39mUnited Airlines
Sat 8/312:30SAT - LHR
2 stops16h 45mUnited Airlines
Deal found 17/1£858
Wed 2/412:00LHR - SAT
2 stops17h 53mAer Lingus
Tue 8/416:04SAT - LHR
2 stops14h 36mAer Lingus
Deal found 16/1£1,078
Sat 18/106:20LHR - SAT
2 stops19h 59mAir France
Sat 1/218:31SAT - LHR
1 stop11h 09mAir France
Deal found 16/1£1,172

Find flights from Heathrow to San Antonio within your budget

Customise your flight search to find flights from Heathrow 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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 25/2

10:20-04:36

2 stops24h 16m

San Antonio

Tue 4/3

05:45-09:45

2 stops22h 00m

£584

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 15/2

12:10-20:51

1 stop14h 41m

San Antonio

Sat 22/2

15:15-12:00

1 stop14h 45m

£585

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 25/2

14:10-23:50

1 stop15h 40m

San Antonio

Tue 4/3

06:03-18:50

2 stops30h 47m

£769

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/2

06:40-23:44

2 stops23h 04m

San Antonio

Tue 4/3

07:00-17:40

2 stops28h 40m

£770

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/2

10:00-00:27

2 stops20h 27m

San Antonio

Tue 4/3

13:59-11:10

2 stops15h 11m

£776

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/2

13:50-23:02

1 stop15h 12m

San Antonio

Tue 4/3

16:32-12:05

1 stop13h 33m

£781

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 10/5

16:00-11:08

2 stops25h 08m

San Antonio

Sun 18/5

19:00-11:35

1 stop34h 35m

£825

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 15/2

12:20-00:27

2 stops18h 07m

San Antonio

Sat 22/2

18:31-06:55

2 stops30h 24m

£830

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 2/2

08:20-19:41

1 stop17h 21m

San Antonio

Sat 8/2

17:40-07:20

1 stop31h 40m

£851

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 21/2

07:40-20:19

2 stops18h 39m

San Antonio

Sat 8/3

12:30-11:15

2 stops16h 45m

£858

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 19 results
1
2

Best time to book a flight from Heathrow to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Heathrow 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.

Travel insights for flights from Heathrow to San Antonio

Get recent, data-driven insights about flights from Heathrow to San Antonio including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to San Antonio?

Use this chart to determine the optimal time to book a return flight from Heathrow to San Antonio. Price data was last updated on 10 January 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Antonio, you should look to book at least 84 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 Heathrow Airport to San Antonio?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £732). Flying from London Heathrow Airport 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 LHR to SAT?

Find hourly flight availability from Heathrow 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 17 January 2025.

When flying from London Heathrow Airport to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 18% versus a flight in the evening.

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 17 January 2025.
Read through reviews of airlines operating flights from London to San Antonio, such as Virgin Atlantic and Lufthansa. 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
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very Good
8,511 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,309 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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 Heathrow 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 Heathrow?

    If you book a flight to San Antonio from London Heathrow, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from London Heathrow to San Antonio per day from 7 different airlines.

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

    According to our current data, Finnair (£585), Iberia (£769), and Scandinavian Airlines (£770) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 21% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £650. However, be on the lookout for offers from Iberia and Finnair, as they are both options that can get you from London Heathrow Airport to San Antonio for a low price.

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

    London Heathrow Airport to San Antonio flights have a stopover in Dallas most of the time.

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

    London Heathrow Airport to San Antonio flights have a stopover in Miami least often.

  • Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?

    Yes. In addition to deals on Heathrow to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Antonio.

  • Can I find deals for business class flights from Heathrow to San Antonio?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to San Antonio?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £732). Flying from London Heathrow Airport 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

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Alternative routes for Heathrow to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Heathrow to San Antonio

Discover the top 7 airlines that operate flights from Heathrow 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£558Average£687FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£565Average£887FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapest£655Average£900FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£719Average£909FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£740Average£897FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£796Average£958FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£813Average£1,052FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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

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

Certainly. Search results for flights to San Antonio from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Heathrow to San Antonio and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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