Journey information
Overview: San Antonio International Airport to London Heathrow Airport flight
Flights from San Antonio International Airport to London Heathrow Airport depart on average 101 times per day, taking around 16h 50m. Cheap flight tickets for this journey start at $457 (€363) if you book in advance.
The earliest flight runs at 13:05, the last at 13:05. The fastest flight covers the 4970 miles (8000 km) distance in 16h 50m. November is the cheapest month to fly.
Distance 4970 miles (8000 km) |
Average flight duration 16h 50m |
Cheapest ticket price $457 (€363) |
Flights per day 101 |
Fastest flight 16h 50m |
Cheapest month November |
First flight 13:05 |
Last flight 13:05 |
The cheapest and fastest flights from San Antonio International Airport to London Heathrow Airport
Cheapest price
$457
Average price
$457
Fastest journey
16 h 50 m
Average duration
16 h 50 m
Flights per day
1
Distance
8000 km
The best way to find a cheap flight ticket from San Antonio International Airport to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from San Antonio International Airport to London Heathrow Airport will cost around $457 if you buy it on the day, but the cheapest tickets can be found for only $457.
Of the 1 flights that leave San Antonio International Airport for London Heathrow Airport onSun, Mar 01, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Mar 01 the direct flights cover the 8000 km distance in an average of 16 h 50 m but if you time it right, some flights will get you there in just 16 h 50 m .
On Sun, Mar 01 the longest flights will take 16 h 50 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Compare prices and tickets San Antonio International Airport to London Heathrow Airport by flight
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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FAQs: San Antonio International Airport to London Heathrow Airport Flight
Find answers to the most common questions about traveling from San Antonio International Airport to London Heathrow Airport by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at London Heathrow Airport, this guide helps you travel smarter and with confidence.

- Notting Hill Carnival, a colorful celebration of Caribbean culture with parades and music
- London Fashion Week, a major event showcasing the latest trends in fashion
- The Thames Festival, a riverside festival featuring arts, music, and food along the Thames
- New Year's Day Parade, a grand parade featuring marching bands and performers to ring in the new year.
- Easter, mild spring weather and blooming flowers
- May Bank Holiday, pleasant temperatures and outdoor activities
- Late Summer Bank Holiday, warm weather perfect for exploring parks and attractions
- Christmas, festive decorations and holiday spirit throughout the city.
