£403 Cheap flights to San Antonio
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to San Antonio
Cheap return flights
Cheap one-way flights
See travel insights to San Antonio from
San Antonio flights insights and trends
Explore insights for your San Antonio flight to craft the best travel plan
What is the cheapest month to fly to San Antonio?
The month of February is, on average, the cheapest month to fly to San Antonio from United Kingdom, with most prices found around £544. If you aren’t able to travel to San Antonio during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £570.
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 United Kingdom. The lowest ticket price found for a Wednesday departure recently was £624. 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 United Kingdom to San Antonio for around £695.
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 United Kingdom to San Antonio when you can find flight prices for as low as £621. 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 £696. 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 United Kingdom when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £698 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 United Kingdom for as low as £604 on momondo.
Cheapest flights to San Antonio
Find the cheapest flights to San Antonio from your nearest city or airport
| CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORT | November | 19% cheaper | Flying from London Heathrow Airport to San Antonio costs on average just £572 in November |
| MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORT | August | 31% more expensive | It costs about £920 for flights to San Antonio from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORT | November | 328% more users visited | More momondo users searched in flights to San Antonio from London Heathrow Airport in November than any other month |
Cheap San Antonio flight deals and tips
Summary info about San Antonio flight prices, duration and airlines
Best One-Way Price | £403 |
|---|---|
Best Round-Trip Price | £448 |
Fastest flight time | 16h 25m |
Popular in | August |
Frequently asked questions about flying to San Antonio
Are there any amusement parks near San Antonio?
Yes, Six Flags Fiesta Texas is close to San Antonio and is a great place to spend time with the family when the weather is right. Consider planning your trip to San Antonio for the months of May and June if you have interest in visiting amusement or water parks. Flights to San Antonio are very popular around then, and it is recommended that you plan early.
How far in advance should I book a flight to San Antonio?
The ideal time to book your flight to San Antonio is 83 days in advance, when prices tend to average £689. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £519.
Is there an alternative airport near San Antonio?
San Antonio Airport can be an alternative airport used for travel to San Antonio.
Is there a cheaper alternative to flying into San Antonio?
Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in San Antonio is San Antonio Airport where the average price is £325. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.
What is the absolute cheapest flight to San Antonio?
Users booking trips to San Antonio from Mexico City found flights 45% cheaper than the average price of flights to San Antonio. To find the cheapest price to San Antonio from your area, use momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to San Antonio Airport?
Prices for flights to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights to San Antonio Airport?
As of May 2025, there are 9 operators available to choose from for flights to San Antonio Airport.
How old do you have to be to fly to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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.
Why use momondo?
Why should I use momondo to find a flight deal to San Antonio?
Finding the right flight to San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options 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 to San Antonio with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for flights to San Antonio to just show those with flexible booking policies.
How can momondo help me find flights to San Antonio?
momondo provides multiple filters to help you find the best flight to San Antonio. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to San Antonio right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for San Antonio and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.