Cheap flights from London Heathrow Airport to San Antonio from $441
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 4/27. 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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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?
If you aren’t able to travel during the month of November, then book flights to San Antonio from London Heathrow Airport during September instead. Flights to San Antonio in September, while not as cheap as those in November, still average around $783.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $973. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $1,240.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from London Heathrow Airport to San Antonio in the morning for as low as $1,222. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $1,260. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
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 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $918 when searching 6 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 $810 on momondo.
What is the cheapest airline that flies from London Heathrow to San Antonio?
Aer Lingus, British Airways, and Finnair are the most popular carriers operating from London Heathrow to San Antonio
What airlines fly to San Antonio?
British Airways, American Airlines 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 55% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 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?
A flight from London Heathrow to San Antonio will travel around 4973.6 mi. In terms of flight time, this usually takes a little over 13h 11m.
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 are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to San Antonio Airport?
As of April 2025, there is 1 operator 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 necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to San Antonio?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to San Antonio is British Airways, representing 100% of all bookings.
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 $1,014 | Free Cancellation | Rating 6.6 6,715 reviews |
Traveling 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. momondo enables you to select and highlight flights to San Antonio from London with this policy.
How can momondo help me find flights from London to San Antonio?
momondo provides multiple filters to help you find the best flight to San Antonio from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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 simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from London and alert you when they change.