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Cheap flights from San Antonio to London Heathrow Airport from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to London Heathrow Airport departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to London

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to London.

Cheap last minute flights

Planning a quick getaway from San Antonio to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Antonio to London

Find recent round-trip train or bus tickets from San Antonio to London.

All round-trip flight deals from San Antonio to London

The cheapest plane tickets from San Antonio to London found on KAYAK recently.
7:00 am - 5:40 pmSAT-LHR
28h 40m2 stops
6:40 pm - 9:49 pmLHR-SAT
33h 09m2 stops
$667Scandinavian Airlines
Find Deal
Tue, Feb 4 - Tue, Mar 4
7:00 am - 4:00 pmSAT-LHR
27h 00m2 stops
7:30 pm - 9:49 pmLHR-SAT
32h 19m2 stops
$674Scandinavian Airlines
Find Deal
Tue, Feb 4 - Tue, Mar 4
11:03 am - 10:35 amSAT-LHR
17h 32m1 stop
4:10 pm - 12:27 amLHR-SAT
14h 17m1 stop
$692Virgin Atlantic
Find Deal
Tue, Feb 4 - Tue, Mar 4
12:35 pm - 6:25 amSAT-LHR
11h 50m1 stop
4:25 pm - 11:36 pmLHR-SAT
13h 11m1 stop
$712Iberia
Find Deal
Wed, Apr 30 - Wed, May 7
12:33 pm - 6:20 amSAT-LHR
11h 47m1 stop
1:50 pm - 11:53 pmLHR-SAT
15h 03m1 stop
$718Iberia
Find Deal
Tue, Mar 4 - Fri, Mar 14
2:11 pm - 8:20 amSAT-LHR
12h 09m1 stop
2:05 pm - 12:12 pmLHR-SAT
28h 07m2 stops
$719United Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
4:16 pm - 7:40 amSAT-LHR
33h 24m1 stop
2:05 pm - 12:12 pmLHR-SAT
28h 07m2 stops
$725United Airlines
Find Deal
Sat, Apr 5 - Fri, Apr 18
6:27 pm - 12:05 pmSAT-LHR
12h 38m1 stop
8:20 am - 5:27 pmLHR-SAT
14h 07m1 stop
$758British Airways
Find Deal
Tue, Mar 11 - Sun, Mar 16
1:17 pm - 7:20 amSAT-LHR
12h 03m1 stop
12:00 pm - 9:53 pmLHR-SAT
15h 53m1 stop
$760British Airways
Find Deal
Sun, Apr 20 - Sat, May 3
12:30 pm - 6:25 amSAT-LHR
11h 55m1 stop
10:50 am - 8:22 pmLHR-SAT
14h 32m1 stop
$790Virgin Atlantic
Find Deal
Thu, Mar 6 - Wed, Mar 12
2:18 pm - 12:50 pmSAT-LHR
40h 32m3 stops
Sat, Feb 15
2:18 pm - 12:50 pmSAT-LHR
40h 32m3 stops
Sat, Feb 15
7:00 am - 5:40 pmSAT-LHR
28h 40m2 stops
$378Scandinavian Airlines
Find Deal
Wed, Feb 26
12:33 pm - 9:40 amSAT-LHR
15h 07m1 stop
$466British Airways
Find Deal
Wed, Feb 26
5:13 pm - 9:40 amSAT-LHR
34h 27m1 stop
$468British Airways
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Sat, Feb 15
12:11 pm - 8:25 amSAT-LHR
15h 14m2 stops
$473United Airlines
Find Deal
Wed, Mar 12
6:57 pm - 10:50 amSAT-LHR
33h 53m1 stop
$484United Airlines
Find Deal
Sat, Feb 15
4:33 pm - 10:50 amSAT-LHR
12h 17m1 stop
$894Iberia
Find Deal
Mon, May 26
5:39 pm - 12:10 pmSAT-LHR
12h 31m1 stop
$908American Airlines
Find Deal
Sun, Jun 29
2:36 pm - 12:05 pmSAT-LHR
15h 29m1 stop
$3,372Iberia
Find Deal
Mon, Feb 10

KLM flights from San Antonio to London Heathrow Airport

Our best KLM deals on San Antonio to London Heathrow Airport flight tickets
KLM
Mar 5
SAT11:30 amSan Antonio
14h 25m
1 stop
LHR7:55 amLondon Heathrow
Mar 12
LHR2:30 pmLondon Heathrow
15h 07m
1 stop
SAT12:37 amSan Antonio
KLM
Jan 27
SAT4:40 pmSan Antonio
11h 55m
1 stop
LHR10:35 amLondon Heathrow
Jan 31
LHR12:30 pmLondon Heathrow
17h 57m
1 stop
SAT12:27 amSan Antonio

Air Canada flights from San Antonio to London Heathrow Airport

Our best Air Canada deals on San Antonio to London Heathrow Airport flight tickets
Air Canada
Mar 6
SAT5:30 amSan Antonio
21h 00m
2 stops
LHR8:30 amLondon Heathrow
Mar 11
LHR3:00 pmLondon Heathrow
29h 23m
2 stops
SAT3:23 pmSan Antonio
Air Canada
Mar 6
SAT5:30 amSan Antonio
21h 00m
2 stops
LHR8:30 amLondon Heathrow
Mar 11
LHR3:00 pmLondon Heathrow
29h 23m
2 stops
SAT3:23 pmSan Antonio
Air Canada
Apr 16
SAT7:00 amSan Antonio
17h 30m
2 stops
LHR6:30 amLondon Heathrow
Apr 26
LHR9:30 amLondon Heathrow
19h 34m
2 stops
SAT11:04 pmSan Antonio

See travel insights to London from

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

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 cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from San Antonio, with most prices found around $678. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from San Antonio to London Heathrow Airport during January average around $772.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $903. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,126.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from San Antonio to London Heathrow Airport at noon for as low as $893. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,030.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Antonio when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $941 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Antonio for as low as $830 on momondo.

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

As of January 2025, prices for San Antonio to London Heathrow Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to London Heathrow Airport

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

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

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

Best Price Found

$332

Fastest flight time

10h 59m

Direct flights

None
The best one-way flight to London Heathrow Airport from San Antonio in the past 72 hours is $332. The best round-trip flight deal from San Antonio to London Heathrow Airport found on momondo in the last 72 hours is $667.
The fastest flight from San Antonio to London Heathrow Airport takes 10h 59m
There are no direct flights from San Antonio to London Heathrow Airport. Popular non-direct route for this connection is San Antonio Airport - London Heathrow Airport.

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

    There are 4973.6 mi between San Antonio and London Heathrow. 10h 59m is a normal flight duration for this route.

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

    Prices for flights from San Antonio Airport to London Heathrow Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from San Antonio to London Heathrow Airport

Compare and see reviews for airlines that fly from San Antonio to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $603Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $652Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
DeltaPriceFrom $652Free CancellationRating
8.0
8,521 reviews
Search Delta flights
United AirlinesPriceFrom $661Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
American AirlinesPriceFrom $672Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $675Free CancellationRating
7.0
2,646 reviews
Search Iberia flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Slough
Luton
Ipswich
Hayes
Stansted
Ilford
Guildford
Canterbury
Salisbury
Swindon
Horley
Dover
Milton Keynes
Dartford
Colchester
Wembley
Poole

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Antonio.

Can I find flights from San Antonio to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from San Antonio with this policy.

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

momondo provides multiple filters to help you find the best flight to London from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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


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