Question 1

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

Accepted Answer

United Airlines, at £363, was found to be the cheapest airline from San Antonio to London Heathrow Airport.Alternate airlines flying return to your destination include Air Canada and British Airways. United Airlines is priced at 50% lower than the current average price of a flight leaving 3 months from now.

Question 2

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

Accepted Answer

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £273. United Airlines flights start at £293 while deals on British Airways start at £300 one-way.

Question 3

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

Accepted Answer

The price you pay for your flight from San Antonio to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of £112). Flying from San Antonio to London Heathrow Airport in August is currently the most expensive (average of £164). 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 San Antonio to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their San Antonio to London Heathrow Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Friday 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 London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 8

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

Accepted Answer

Thursday flights are generally found to be more expensive for flights from San Antonio to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

Question 9

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

Accepted Answer

Travelers have found it’s best to book a flight 43 days in advance to save up to 21% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Antonio to London Heathrow Airport 1-2 weeks in advance for as low as £543, or £736 for flights within the next 24 hours.

Question 10

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

Accepted Answer

Flights from San Antonio to London Heathrow Airport lean towards being more expensive in January. Prices are generally better when you fly from San Antonio to London Heathrow Airport in February, with the cheapest ticket starting at £465.

Question 11

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

Accepted Answer

When flying from San Antonio to London Heathrow Airport, 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 9% versus a flight in the morning.

Question 12

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

Accepted Answer

San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to London Heathrow. 0 airlines have flights from San Antonio to London Heathrow on a regular basis. Booking flights from San Antonio to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

Yes. Cheapflights offers flight deals from San Antonio to Heathrow 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 16

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Antonio to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from San Antonio to Heathrow with no change fees.

Question 19

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

Accepted Answer

Yes, Cheapflights offers price alerts on San Antonio to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£363
One-way from	£217
Popular in	December
Cheapest in	October
Average price	£842

Cheap flights from San Antonio to London Heathrow Airport from £217

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or January, booked 84 days in advance, depart on a Monday or Tuesday and return on a Saturday

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Cheapest flights from San Antonio to HeathrowExplore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7월 2025.

Explore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7월 2025.

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Best time to book a flight from San Antonio to Heathrow

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Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from San Antonio to Heathrow. Price data was last updated on 11 July 2025.

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

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

Find hourly flight availability from San Antonio to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 7월 2025.

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Delta, KLM, andUnited Airlines from San Antonio to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines 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 San Antonio to Heathrow. 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 from for flights from San Antonio to London Heathrow?

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

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

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

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

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

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

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

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

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

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

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Cheapest flights from San Antonio to Heathrow
Explore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7월 2025.