Cheap flights from London Heathrow Airport to San Antonio from £366
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Antonio departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Finnair flights from London Heathrow Airport to San Antonio
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Virgin Atlantic flights from London Heathrow Airport to San Antonio
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How to get the cheapest flight ticket from London Heathrow Airport to San Antonio
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Antonio?
The month of November is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £562. If you aren’t able to travel to San Antonio during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £573.
What is the cheapest day to depart on your flight to San Antonio?
According to our data, Wednesday is the cheapest day to fly to San Antonio from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £614. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to San Antonio for around £684.
What is the cheapest time of day to depart on your flight to San Antonio?
At midday is the cheapest time of day to fly from London Heathrow Airport to San Antonio when you can find flight prices for as low as £610. Flying to San Antonio at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £685. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from London Heathrow Airport when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £716 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from London Heathrow Airport for as low as £579 on momondo.
Can stopping save me money on London Heathrow Airport to San Antonio flights?
You could potentially save up to 37% on your flight if you consider stops on a London Heathrow Airport to San Antonio flight.
How have London Heathrow Airport to San Antonio flight prices changed over time?
As of June 2025, prices for London Heathrow Airport to San Antonio flights are approximately 5% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London Heathrow to San Antonio?
WestJet, British Airways, and Aer Lingus are the most popular carriers operating from London Heathrow to San Antonio
Which airlines fly to San Antonio?
British Airways, Finnair and Iberia are the top three most popular airlines that fly to San Antonio from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 56% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 11 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
When to book flights from London Heathrow Airport to San Antonio
Cheap London Heathrow Airport to San Antonio (LHR to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Antonio
How far is London Heathrow to San Antonio by plane?
San Antonio is 4973.6 mi away from London Heathrow. Typically, this will take 12h 39m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to San Antonio Airport?
Prices for flights from London Heathrow Airport to San Antonio Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to San Antonio Airport?
As of June 2025, there are 7 operators available to choose from for flights from London Heathrow Airport to San Antonio Airport.
How old do you have to be to fly from London Heathrow Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to San Antonio?
Based on momondo bookings for flights between London Heathrow Airport and San Antonio, the leading airline is Finnair, making up 67% of the total bookings. Other popular airlines include British Airways with 16%, Scandinavian Airlines with 6%, and Virgin Atlantic with 3%.
Best airlines flying from London Heathrow Airport to San Antonio
Compare and see reviews for airlines that fly from London Heathrow Airport to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £502 | Free Cancellation | Rating 7.6 1,290 reviews | |||
| PriceFrom £527 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom £589 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom £658 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £665 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom £696 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom £731 | Free Cancellation | Rating 6.7 7,139 reviews |
Travelling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to San Antonio?
Finding the right flight to San Antonio from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.
Can I find flights from London to San Antonio with flexible booking policies on momondo?
Yes. All flights to San Antonio from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to San Antonio?
Once all potential London to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to San Antonio right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.