Question 1

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

Accepted Answer

According to our current data, Scandinavian Airlines (£644), United Airlines (£691), and Lufthansa (£703) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 9% lower than the current average price 3 months from now.

Question 2

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

Accepted Answer

The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £701. However, be on the lookout for offers from Iberia and British Airways, as they are both options that can get you from London Heathrow Airport to San Antonio for a low price.

Question 3

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

Accepted Answer

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 79 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.

Question 4

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

Accepted Answer

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.

Question 5

What is the cheapest day to fly from London Heathrow Airport to San Antonio?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to San Antonio flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

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.

Question 7

E

Accepted Answer

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).

Question 8

What are the most popular airlines that fly from London Heathrow Airport to San Antonio?

Accepted Answer

When booking a flight from London Heathrow Airport to San Antonio, you may want to consider flying on Finnair, British Airways or Iberia as they are the most popular for this route.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

What are some popular things to do or see while on a stopover in Miami?

Accepted Answer

Miami travellers tend to visit Bayfront Park, Kaseya Center, and Bayside Marketplace more than anywhere else. Bayfront Park, Kaseya Center, and Bayside Marketplace can be accessed by travelling approximately 6.4 mi, 6.2 mi, and 6.4 mi, respectively from Miami. Travellers can rent a car at Miami for an average daily rate of £22 to make sightseeing during their stopover a little easier.

Question 12

What is the cheapest day to fly round-trip from London Heathrow Airport to San Antonio?

Accepted Answer

Departing on a Friday is a good option for securing a great price. You can expect to save up to 14% when planning your travel around this day of the week.

Question 13

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 24% on flights from London Heathrow Airport to San Antonio compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £589. For sooner than that we have options available in the next 3 days from £693.

Question 14

What is the cheapest month to fly from London Heathrow Airport to San Antonio?

Accepted Answer

February is one of the best times of the year to fly to San Antonio from London Heathrow Airport. Prices for February average £699 per person but you can even find prices for as low as £480. The most expensive prices can be found in the month of August. Opting for a February flight can save you 40% on your journey compared to booking in August

Question 15

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

Accepted Answer

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.

Question 16

What airport do you fly into for flights to San Antonio from London Heathrow?

Accepted Answer

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.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Antonio from Heathrow today with Cheapflights!

Question 21

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

Accepted Answer

Cheapflights helps you find that perfect flight to San Antonio from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Round-trip from	£644
One-way from	£492
Popular in	August
Cheapest in	November
Average price	£864

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£498	Average£592	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£524	Average£792	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Scandinavian Airlines	Cheapest£585	Average£718	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	Cheapest£654	Average£824	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£661	Average£804	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£692	Average£818	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£726	Average£963	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Cheap flights from London Heathrow Airport to San Antonio from £492

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to San Antonio are usually found in November or September, booked 79 days in advance, depart on a Saturday or Wednesday and return on a Monday

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Cheapest flights from Heathrow to San AntonioExplore 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 3 July 2025.

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 3 July 2025.

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Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Best time to book a flight from Heathrow to San Antonio

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Everything you need to know about your flight from London Heathrow Airport to San Antonio

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 27 June 2025.

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

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 3 July 2025.

How much does it cost for a return flight from London Heathrow Airport to San Antonio?

Reviews of airlines servicing San Antonio

See what other customers who have flown with Delta, Finnair, andUnited Airlines from London Heathrow Airport 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.

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?

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

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

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

What are some popular things to do or see while on a stopover in Miami?

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?

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

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

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

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Alternative routes for Heathrow to San Antonio

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Top 7 airlines flying from Heathrow to San Antonio

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

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

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

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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 3 July 2025.