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Cheap flights from London Heathrow Airport to San Antonio from £486

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
26 Feb — 5 Mar1
1 adult

The best prices from London Heathrow to San Antonio are usually found in November or March, 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 21 February 2025.

Round-trip from

£550

One-way from

£486

Popular in

August

Cheapest in

November

Average price

£650
Finnair
  • Finnair
  • 7/5-17/5
  • 2 total stops
  • 33h 11m total
  • London to San Antonio
27/2
  • 27/2
  • 3 total stops
  • 53h 15m total
  • London to San Antonio
Highest demand for flights based on searches. 14% potential increase in price (£94 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 21 February 2025.

Wed 7/509:55LHR - SAT
1 stop19h 28mFinnair
Sat 17/518:42SAT - LHR
1 stop13h 43mFinnair
Deal found 20/2£550
Wed 23/408:40LHR - SAT
2 stops22h 04mMultiple Airlines
Wed 30/407:00SAT - LHR
2 stops21h 00mMultiple Airlines
Deal found 20/2£560
Wed 23/413:05LHR - SAT
1 stop13h 23mVirgin Atlantic
Wed 30/413:35SAT - LHR
1 stop11h 40mVirgin Atlantic
Deal found 20/2£768
Wed 3/909:00LHR - SAT
2 stops20h 08mLufthansa
Wed 5/1112:10SAT - LHR
1 stop12h 30mLufthansa
Deal found 20/2£785
Thu 20/306:30LHR - SAT
2 stops18h 52mDelta
Thu 27/313:45SAT - LHR
2 stops15h 45mDelta
Deal found 20/2£818
Wed 14/515:10LHR - SAT
1 stop13h 48mIberia
Mon 19/519:34SAT - LHR
1 stop12h 51mIberia
Deal found 20/2£821
Thu 24/410:20LHR - SAT
2 stops19h 22mScandinavian Airlines
Tue 29/412:22SAT - LHR
3 stops22h 03mScandinavian Airlines
Deal found 20/2£875
Thu 6/309:20LHR - SAT
1 stop14h 23mUnited Airlines
Sun 9/312:15SAT - LHR
1 stop12h 40mUnited Airlines
Deal found 20/2£899
Sun 13/410:30LHR - SAT
1 stop13h 02mAmerican Airlines
Thu 24/419:05SAT - LHR
1 stop11h 25mAmerican Airlines
Deal found 20/2£955
Mon 13/1009:30LHR - SAT
2 stops19h 03mAir Canada
Mon 27/1014:01SAT - LHR
2 stops16h 49mAir Canada
Deal found 20/2£964
Thu 12/608:20LHR - SAT
1 stop13h 33mBritish Airways
Mon 16/619:30SAT - LHR
1 stop12h 55mBritish Airways
Deal found 19/2£983
Thu 12/612:25LHR - SAT
1 stop16h 24mKLM
Wed 18/618:00SAT - LHR
1 stop13h 30mKLM
Deal found 19/2£986

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 21 February 2025.

Fly from

Heathrow

Fly to

San Antonio

Route

Depart

Return

Price

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 7/5

09:55-23:23

1 stop19h 28m

San Antonio

Sat 17/5

18:42-14:25

1 stop13h 43m

£550

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 23/4

08:40-00:44

2 stops22h 04m

San Antonio

Wed 30/4

07:00-10:00

2 stops21h 00m

£560

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 23/4

13:05-20:28

1 stop13h 23m

San Antonio

Wed 30/4

13:35-07:15

1 stop11h 40m

£768

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 7/5

12:05-12:12

2 stops30h 07m

San Antonio

Sat 17/5

07:26-05:55

2 stops16h 29m

£816

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 20/3

06:30-20:22

2 stops18h 52m

San Antonio

Thu 27/3

13:45-10:30

2 stops15h 45m

£818

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 14/5

15:10-22:58

1 stop13h 48m

San Antonio

Mon 19/5

19:34-14:25

1 stop12h 51m

£821

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 24/4

10:20-23:42

2 stops19h 22m

San Antonio

Tue 29/4

12:22-16:25

3 stops22h 03m

£875

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 6/3

09:20-17:43

1 stop14h 23m

San Antonio

Sun 9/3

12:15-05:55

1 stop12h 40m

£899

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 13/4

10:30-17:32

1 stop13h 02m

San Antonio

Wed 23/4

19:05-12:30

1 stop11h 25m

£955

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 11/6

15:50-12:23

2 stops26h 33m

San Antonio

Tue 17/6

07:28-06:30

2 stops17h 02m

£964

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 17 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 14 February 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 21 February 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 21 February 2025.
Read through reviews of airlines operating flights from London to San Antonio, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 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 (£550), Virgin Atlantic (£768), and Lufthansa (£816) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 23% 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 Aer Lingus, with whom users have recently found tickets for as low as £638. However, be on the lookout for offers from Lufthansa and British Airways, 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?

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

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£544Average£666FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£547Average£826FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£610Average£890FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£634Average£870FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£697Average£882FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£716Average£869FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£787Average£1,022FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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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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