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Not ready to book? to track prices.Find the cheapest flights from London to San Antonio
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How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and San Antonio?
What is the cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of February, then book flights to San Antonio from London during March instead. Flights to San Antonio in March, while not as cheap as those in February, still average around $763.
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 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 when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $973 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 for as low as $787 on momondo.
Can stopping save me money on London to San Antonio flights?
You could potentially save up to 17% on your flight if you consider stops on a London to San Antonio flight.
How have London to San Antonio flight prices changed over time?
As of June 2025, prices for London to San Antonio flights are approximately 23% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from London to San Antonio?
Aer Lingus, British Airways, and Finnair are the most popular carriers operating from London 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 according to our data. British Airways is the first choice among our users, with 62% 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 to San Antonio
Cheap London to San Antonio (LON to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to San Antonio
How far is London to San Antonio by plane?
A flight from London to San Antonio will travel around 4985.7 mi. By plane, this route typically takes 12h 34m.
When did momondo last update prices for flights from London to San Antonio Airport?
Prices for flights from London to San Antonio Airport are refreshed on a daily basis.
How old do you have to be to fly from London to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to San Antonio?
Based on momondo bookings for flights between London and San Antonio, the leading airline is British Airways, making up 100% of the total bookings.
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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to San Antonio. momondo saves you time and could save you money on your trip.
Can I find flights from London to San Antonio with flexible booking policies on momondo?
All flight searches from London to San Antonio on momondo can be filtered to show those which offer flexible booking policies.
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?
Yes. momondo can track prices for London to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.