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Cheap flights from London Heathrow Airport to San Antonio from $679

This is the cheapest one-way 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 9/12. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
6:40 am - 12:08 am
LHR
-
SAT
23h 28m
2 stops
Scandinavian Airlines Logo
1:55 pm - 6:30 pm
SAT
-
LHR
22h 35m
2 stops
$758Scandinavian Airlines
Fri, Sep 11 - Mon, Sep 14
Scandinavian Airlines Logo
7:30 pm - 12:33 am
LHR
-
SAT
34h 03m
2 stops
Scandinavian Airlines Logo
1:46 pm - 4:00 pm
SAT
-
LHR
20h 14m
2 stops
$769Scandinavian Airlines
Tue, Oct 27 - Mon, Nov 16
Scandinavian Airlines Logo
6:40 am - 9:04 pm
LHR
-
SAT
20h 24m
2 stops
Scandinavian Airlines Logo
2:43 pm - 9:40 pm
SAT
-
LHR
24h 57m
2 stops
$775Scandinavian Airlines
Sat, Aug 29 - Sat, Sep 5
Scandinavian Airlines Logo
7:05 am - 12:28 am
LHR
-
SAT
23h 23m
3 stops
Scandinavian Airlines Logo
1:55 pm - 6:30 pm
SAT
-
LHR
22h 35m
2 stops
$779Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 21
Scandinavian Airlines Logo
6:40 am - 9:14 pm
LHR
-
SAT
20h 34m
2 stops
Scandinavian Airlines Logo
1:55 pm - 6:50 pm
SAT
-
LHR
22h 55m
3 stops
$781Scandinavian Airlines
Fri, Sep 11 - Mon, Sep 14
Scandinavian Airlines Logo
6:40 am - 12:28 am
LHR
-
SAT
23h 48m
3 stops
Scandinavian Airlines Logo
1:55 pm - 9:40 pm
SAT
-
LHR
25h 45m
2 stops
$782Scandinavian Airlines
Fri, Sep 4 - Mon, Sep 14
Scandinavian Airlines Logo
7:30 pm - 9:04 pm
LHR
-
SAT
31h 34m
2 stops
Scandinavian Airlines Logo
1:55 pm - 4:00 pm
SAT
-
LHR
20h 05m
2 stops
$785Scandinavian Airlines
Wed, Sep 2 - Mon, Sep 14
Scandinavian Airlines Logo
6:40 am - 12:28 am
LHR
-
SAT
23h 48m
2 stops
Scandinavian Airlines Logo
1:55 pm - 4:00 pm
SAT
-
LHR
20h 05m
2 stops
$787Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 14
Scandinavian Airlines Logo
7:05 am - 12:28 am
LHR
-
SAT
23h 23m
3 stops
Scandinavian Airlines Logo
1:55 pm - 6:30 pm
SAT
-
LHR
22h 35m
2 stops
$791Scandinavian Airlines
Mon, Sep 7 - Mon, Sep 14
Scandinavian Airlines Logo
9:05 pm - 9:04 pm
LHR
-
SAT
29h 59m
3 stops
Scandinavian Airlines Logo
1:55 pm - 5:40 pm
SAT
-
LHR
21h 45m
2 stops
$792Scandinavian Airlines
Wed, Sep 2 - Mon, Sep 14

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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
Sep 11
LHR6:40 amLondon Heathrow
23h 28m
2 stops
SAT12:08 amSan Antonio
Sep 14
SAT1:55 pmSan Antonio
22h 35m
2 stops
LHR6:30 pmLondon Heathrow
$758
Scandinavian Airlines
Sep 7
LHR7:05 amLondon Heathrow
23h 23m
3 stops
SAT12:28 amSan Antonio
Sep 21
SAT1:55 pmSan Antonio
22h 35m
2 stops
LHR6:30 pmLondon Heathrow
$779
Scandinavian Airlines
Sep 11
LHR6:40 amLondon Heathrow
20h 34m
2 stops
SAT9:14 pmSan Antonio
Sep 14
SAT1:55 pmSan Antonio
22h 55m
3 stops
LHR6:50 pmLondon Heathrow
$781

British Airways flights from London Heathrow Airport to San Antonio

Our best British Airways deals on London Heathrow Airport to San Antonio flight tickets
British Airways
Aug 3
LHR6:15 amLondon Heathrow
19h 28m
2 stops
SAT7:43 pmSan Antonio
Oct 8
SAT6:00 amSan Antonio
18h 20m
1 stop
LHR6:20 amLondon Heathrow
$1,790
British Airways
Jul 30
LHR2:25 pmLondon Heathrow
13h 35m
1 stop
SAT10:00 pmSan Antonio
Oct 7
SAT12:46 pmSan Antonio
11h 34m
1 stop
LHR6:20 amLondon Heathrow
$1,965
British Airways
Jul 30
LHR9:15 amLondon Heathrow
13h 42m
1 stop
SAT4:57 pmSan Antonio
Aug 19
SAT10:59 amSan Antonio
13h 21m
1 stop
LHR6:20 amLondon Heathrow
$2,078

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 9/11

6:40 am-12:08 am

2 stops23h 28m

San Antonio

Mon 9/14

1:55 pm-6:30 pm

2 stops22h 35m

$758

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 10/27

7:30 pm-12:33 am

2 stops34h 03m

San Antonio

Mon 11/16

1:46 pm-4:00 pm

2 stops20h 14m

$769

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 8/29

6:40 am-9:04 pm

2 stops20h 24m

San Antonio

Sat 9/5

2:43 pm-9:40 pm

2 stops24h 57m

$775

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/7

7:05 am-12:28 am

3 stops23h 23m

San Antonio

Mon 9/21

1:55 pm-6:30 pm

2 stops22h 35m

$779
Quickest round-trip

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 9/11

6:40 am-9:14 pm

2 stops20h 34m

San Antonio

Mon 9/14

1:55 pm-6:50 pm

3 stops22h 55m

$781

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 9/4

6:40 am-12:28 am

3 stops23h 48m

San Antonio

Mon 9/14

1:55 pm-9:40 pm

2 stops25h 45m

$782

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 9/2

7:30 pm-9:04 pm

2 stops31h 34m

San Antonio

Mon 9/14

1:55 pm-4:00 pm

2 stops20h 05m

$785

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/7

6:40 am-12:28 am

2 stops23h 48m

San Antonio

Mon 9/14

1:55 pm-4:00 pm

2 stops20h 05m

$787

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/7

7:05 am-12:28 am

3 stops23h 23m

San Antonio

Mon 9/14

1:55 pm-6:30 pm

2 stops22h 35m

$791

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 9/2

9:05 pm-9:04 pm

3 stops29h 59m

San Antonio

Mon 9/14

1:55 pm-5:40 pm

2 stops21h 45m

$792

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,119 to $1,646.
The lowest price recently found on this route was $758.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from London Heathrow Airport during January instead. Flights to San Antonio in January, while not as cheap as those in September, still average around $993.

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

You are more likely to see cheaper flights to San Antonio from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $1,266 when searching 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 $840 on momondo.

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

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 round-trip 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

Fastest flight time

18h 07m

Direct flights

None
The fastest flight from London Heathrow Airport to San Antonio takes 18h 07m
There are no direct flights from London Heathrow Airport to San Antonio. There are no popular flight routes from London Heathrow Airport to San Antonio.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to San Antonio

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

    A flight from London Heathrow to San Antonio will travel around 4973.6 mi. In terms of flight time, this usually takes a little over 18h 07m.

  • 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 are updated daily.

  • 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 necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Pleasanton
Kerrville
Boerne
Schertz

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

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

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

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 simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from London and alert you when they change.

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