Cheap flights from London to San Antonio USA from £704

from as little as £704

7 nights in San Antonio USA, departing London Heathrow on 03 / Sep / 2025 with British Airways (price found 42 hours ago)

Subject to availability, prices correct of the last 24 hours
San Antonio USA

The London / San Antonio USA route

All 8037 km of it

Cheap flight deals for this route

See what's hot at the moment

No deals available at this time.

San Antonio USA flight facts

What you need to know

Alternative flights from the UK to San Antonio USA

Check out prices for other routes
from £798 pp
Find flights
from £825 pp
Find flights
from £823 pp
Find flights
from £843 pp
Find flights
from £887 pp
Find flights
from £704 pp
Find flights
search for price
Find flights

Alternative flights from London to San Antonio USA

You might find cheaper flights nearby
from £528 pp
Find flights
from £528 pp
Find flights
from £478 pp
Find flights
from £437 pp
Find flights
from £447 pp
Find flights
from £375 pp
Find flights
San Antonio USA

Today alone, Netflights has searched over 1,096 flights. 03 / Sep / 2025 is currently the lowest priced day of the year to fly the London/San Antonio USA route. There are around 133 flights on any given week from the UK to San Antonio USA and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

6 °C

AVG

21 °C

HIGHEST

35 °C

Rainfall (mm)
LOWEST

32 mm

AVG

56.2 mm

HIGHEST

88 mm

Key facts about San Antonio USA

How to get cheap flights from London to San Antonio USA

Tips and advice from our flight experts

Find a good deal on your flight from London to San Antonio USA with Netflights. 133 flights go via this route every week, and we've collected them all to help you find the best flight deal. If you want to keep your options open, take a look at flights from another airport in London.

London Heathrow (LHR) is the most popular airport in this city for flights to San Antonio USA, and the most popular airlines are Virgin Atlantic, Lufthansa & Virgin Atlantic. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to San Antonio USA in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from London to San Antonio USA generally take about 15 hrs 30 mins.

Today alone, we’ve scanned 1,096 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare car hire and hotel prices in the USA with Netflights? Take a look to get an idea of prices in San Antonio USA.

Other popular destinations near San Antonio USA

Where other people are flying to

Context Id: 3820df07-eb00-4b99-8490-f1d9475fd354