Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to San Antonio from £555

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Antonio departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

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 London Heathrow Airport to San Antonio

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to San Antonio.
 Logo
15:05 - 05:04LHR-SAT
43h 59m3 stops
 Logo
05:20 - 11:55SAT-LHR
24h 35m3 stops
Wed, 4 Jun - Tue, 15 Jul
 Logo
06:30 - 05:04LHR-SAT
28h 34m3 stops
 Logo
10:00 - 11:50SAT-LHR
19h 50m2 stops
Mon, 9 Jun - Mon, 16 Jun
 Logo
13:50 - 05:04LHR-SAT
21h 14m2 stops
 Logo
10:00 - 07:15SAT-LHR
15h 15m1 stop
Mon, 9 Jun - Mon, 16 Jun
Scandinavian Airlines Logo
06:40 - 22:23LHR-SAT
21h 43m3 stops
Scandinavian Airlines Logo
11:58 - 17:40SAT-LHR
23h 42m2 stops
£710Scandinavian Airlines
Find Deal
Mon, 9 Jun - Mon, 16 Jun
Scandinavian Airlines Logo
18:40 - 23:42LHR-SAT
35h 02m2 stops
Scandinavian Airlines Logo
16:10 - 17:40SAT-LHR
19h 30m2 stops
£750Scandinavian Airlines
Find Deal
Tue, 3 Jun - Mon, 14 Jul
Lufthansa Logo
14:10 - 13:04LHR-SAT
28h 54m2 stops
Lufthansa Logo
12:55 - 06:35SAT-LHR
35h 40m2 stops
£759Lufthansa
Find Deal
Tue, 3 Jun - Sat, 12 Jul
Lufthansa Logo
12:05 - 11:50LHR-SAT
29h 45m2 stops
Lufthansa Logo
09:00 - 06:55SAT-LHR
15h 55m2 stops
£802Lufthansa
Find Deal
Fri, 26 Sep - Tue, 7 Oct
British Airways Logo
16:25 - 23:58LHR-SAT
13h 33m1 stop
British Airways Logo
17:20 - 10:50SAT-LHR
11h 30m1 stop
£878British Airways
Find Deal
Tue, 3 Jun - Mon, 14 Jul
Finnair Logo
18:10 - 17:52LHR-SAT
29h 42m2 stops
Finnair Logo
14:15 - 09:00SAT-LHR
12h 45m1 stop
£886Finnair
Find Deal
Tue, 3 Jun - Mon, 14 Jul
British Airways Logo
12:00 - 18:39LHR-SAT
12h 39m1 stop
British Airways Logo
17:20 - 10:50SAT-LHR
11h 30m1 stop
£900British Airways
Find Deal
Tue, 10 Jun - Tue, 17 Jun

Scandinavian Airlines flights from London Heathrow Airport to San Antonio

Our best Scandinavian Airlines deals on London Heathrow Airport to San Antonio flight tickets
Scandinavian Airlines
9 Jun
LHR06:40London Heathrow
21h 43m
3 stops
SAT22:23San Antonio
16 Jun
SAT11:58San Antonio
23h 42m
2 stops
LHR17:40London Heathrow
Scandinavian Airlines
3 Jun
LHR18:40London Heathrow
35h 02m
2 stops
SAT23:42San Antonio
14 Jul
SAT16:10San Antonio
19h 30m
2 stops
LHR17:40London Heathrow
Scandinavian Airlines
3 Jun
LHR06:40London Heathrow
23h 02m
2 stops
SAT23:42San Antonio
12 Jul
SAT12:15San Antonio
27h 25m
2 stops
LHR21:40London Heathrow

Lufthansa flights from London Heathrow Airport to San Antonio

Our best Lufthansa deals on London Heathrow Airport to San Antonio flight tickets
Lufthansa
3 Jun
LHR14:10London Heathrow
28h 54m
2 stops
SAT13:04San Antonio
12 Jul
SAT12:55San Antonio
35h 40m
2 stops
LHR06:35London Heathrow
Lufthansa
26 Sept
LHR12:05London Heathrow
29h 45m
2 stops
SAT11:50San Antonio
7 Oct
SAT09:00San Antonio
15h 55m
2 stops
LHR06:55London Heathrow
Lufthansa
26 Sept
LHR08:30London Heathrow
13h 33m
1 stop
SAT16:03San Antonio
7 Oct
SAT14:20San Antonio
11h 20m
1 stop
LHR07:40London Heathrow

See travel insights to San Antonio from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and San Antonio?

What is the cheapest month to fly to San Antonio?

The month of November is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £574. If you aren’t able to travel to San Antonio during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £595.

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 London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £627. 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 London Heathrow Airport to San Antonio for around £698.

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 London Heathrow Airport to San Antonio when you can find flight prices for as low as £623. 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 £699. 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 London Heathrow Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £699 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 London Heathrow Airport for as low as £606 on momondo.

How have London Heathrow Airport to San Antonio flight prices changed over time?

As of April 2025, prices for London Heathrow Airport to San Antonio flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to San Antonio (LHR to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Antonio

Best price found

£615

Fastest flight time

12h 39m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from London Heathrow Airport in the past 72 hours is £615. The best return flight deal from London Heathrow Airport to San Antonio found on momondo in the last 72 hours is £555.
The fastest flight from London Heathrow Airport to San Antonio takes 12h 39m
There are no direct flights from London Heathrow Airport to San Antonio. Popular non-direct route for this connection is London Heathrow Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is London Heathrow to San Antonio by plane?

    San Antonio is 4973.6 mi away from London Heathrow. Typically, this will take 12h 39m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to San Antonio Airport?

    Prices for flights from London Heathrow Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to San Antonio Airport?

  • How old do you have to be to fly from London Heathrow Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London Heathrow Airport to San Antonio?


Best airlines flying from London Heathrow Airport to San Antonio

Compare and see reviews for airlines that fly from London Heathrow Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £512Free CancellationRating
7.6
1,272 reviews
Search Finnair flights
IberiaPriceFrom £538Free CancellationRating
7.0
2,686 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom £607Free CancellationRating
7.3
1,345 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £661Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £679Free CancellationRating
7.4
642 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £711Free CancellationRating
7.4
8,688 reviews
Search United Airlines flights
LufthansaPriceFrom £746Free CancellationRating
6.7
7,032 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from London to San Antonio?

Finding the right flight to San Antonio from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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 from London to San Antonio with flexible booking policies on momondo?

Yes. All flights to San Antonio from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to San Antonio?

Once all potential London to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.


An easier way to manage your San Antonio trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Thu 1/5
Thu 8/5

Find better results for your trip to the United States