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Cheap Flights from San Antonio (SAT) to London (LHR)

View AU$467 flight on Sun, 7 Mar 2027Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Heathrow Airport (LHR)

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Cheap Flights from San Antonio (SAT) to London (LHR)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Antonio (SAT) to London (LHR)

November is typically the cheapest month to fly

From AU$1,087 - AU$1,515 per traveller.

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from AU$467 and cheap return flights SAT to LHR with Expedia. One-way flights typically cost between AU$536 and AU$2,270. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SAT to LHR ticket fares go up or down.
What is the cheapest month to fly from San Antonio, TX (SAT) to London (LHR)?
The cheapest months to fly from San Antonio, TX (SAT) to London (LHR) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
Enter SAT to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Antonio, TX (SAT) to London (LHR)?
To find a cheap flight from San Antonio, TX (SAT) to London (LHR), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Antonio, TX (SAT) to London (LHR)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
There are approximately 67 connecting flights per day from San Antonio Intl. (SAT) to Heathrow (LHR). Some common connection points include Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL), and O'Hare Intl. (ORD).
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
The earliest flight from San Antonio International (SAT) to London Heathrow (LHR) typically departs around 5:00 AM. This service is offered by American Airlines. Please note that this is a seasonal service, active only in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
You'll typically find the most flights from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) on a Tuesday, with around 62 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, Delta, and United.
What are the most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from San Antonio Intl. (SAT) to Heathrow (LHR) are in the afternoon, from 12pm to 3pm. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport and an evening arrival at your destination.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
There are no nonstop flights from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow). For flights with one stop, you can expect the journey to take around 12 hours 30 minutes. If your flight has two or more stops, the travel time will be longer, typically around 17 hours 48 minutes. The distance between San Antonio and London is approximately 7999 kilometres. Keep in mind that these are average travel times and can vary based on your specific routing, layover durations, and even weather conditions.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow)?
Yes, you can fly business class or first class between SAT and LHR. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • British Airways
  • Air Canada
  • Skywest Air
  • Delta
  • Finnair
  • United
  • American Eagle
  • American Airlines
First class cabins are available on American Airlines.
How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London (LHR) from San Antonio, TX (SAT)?
If you're planning to travel to London from San Antonio Intl. (SAT), you can fly directly into Heathrow (LHR) which offers international flights and connections. Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Charlotte-Douglas Intl. (CLT), or O'Hare Intl. (ORD) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio, TX (SAT) to London (LHR)?
If you booked your San Antonio, TX (SAT) to London (LHR) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Heathrow
Distance
7953 km

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Your quick guide to flights from San Antonio to London

Pick up great flights from San Antonio to London

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Antonio to London. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Antonio to London that take around hours.

Find cheap flights from San Antonio to London

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Antonio to London around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to London is normally in .

Reasons to book your flight from San Antonio to London with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Antonio to London across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to London right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from San Antonio to London

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