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Cheap flights from London Heathrow Airport to San Antonio from £434

LHR — SAT
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to San Antonio

Fri 4/1206:40 -
2 stops21h 39m
Sun 6/1213:45 -
2 stops21h 55m
Deal found 27/10£567
Mon 16/1106:40 -
2 stops23h 23m
Mon 23/1111:04 -
2 stops24h 36m
Deal found 29/10£583
Thu 5/1119:30 -
2 stops33h 56m
Thu 4/216:00 -
2 stops35h 20m
Deal found 27/10£607
Wed 4/1107:05 -
3 stops22h 21m
Thu 4/216:00 -
2 stops23h 40m
Deal found 27/10£621
Tue 10/1118:40 -
2 stops35h 23m
Fri 13/1113:44 -
2 stops20h 16m
Deal found 29/10£633
Wed 4/1106:40 -
2 stops22h 46m
Wed 11/1111:04 -
2 stops22h 56m
Deal found 27/10£640
Tue 8/1206:40 -
2 stops23h 25m
Sun 13/1210:54 -
2 stops23h 06m
Deal found 29/10£690
Sat 7/1117:00 -
2 stops37h 33m
Fri 13/1113:44 -
2 stops20h 16m
Deal found 29/10£708

Find flight deals from Heathrow to San Antonio

Round-trip from

£567

One-way from

£434

Popular in

December

Cheapest in

February

Average price

£907
Scandinavian Airlines
  • Scandinavian Airlines
  • 4/12-6/12
  • 4 total stops
  • 43h 34m total
  • London to San Antonio
Search Deals
22/1-31/12
  • 22/1-31/12
  • 3 total stops
  • 51h 00m total
  • London to San Antonio
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 return flight

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 6/1

20:05-10:20

3 stops44h 15m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£470

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sun 22/11

14:50-19:33

3 stops34h 43m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£485

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sun 22/11

14:50-17:40

2 stops32h 50m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£534

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 30/11

20:35-12:42

2 stops46h 07m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£547

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 16/11

07:05-00:33

3 stops23h 28m

San Antonio

Mon 23/11

11:04-18:30

2 stops25h 26m

£586

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 15/2

07:30-21:28

2 stops19h 58m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£647
Fastest return journey

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sun 22/11

10:05-19:25

1 stop15h 20m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£650

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Thu 17/12

08:50-12:32

2 stops33h 42m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£654

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 6/1

12:05-21:25

1 stop15h 20m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£658

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sat 17/4

06:10-18:42

2 stops18h 32m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£691

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Antonio

What is the cheapest month to book a flight from London Heathrow Airport to San Antonio?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £804). Flying from London Heathrow Airport to San Antonio in December is currently the most expensive (average of £1,269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to San Antonio?

Airfare is below average for this route at the moment.

London Heathrow Airport to San Antonio flights typically cost between £807 and £989 in December.
The cheapest return price found within the last 5 days was £567 on Scandinavian Airlines (4 Dec–6 Dec).

Reviews of airlines servicing San Antonio

See what other customers who have flown with Virgin Atlantic,Scandinavian Airlines, andLufthansa from London Heathrow Airport to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
699 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
699 reviews
Virgin Atlantic
7.5
Good
699 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Scandinavian Airlines
7.4
Good
2,031 reviews
Virgin Atlantic
7.5
Good
699 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,300 reviews
Virgin Atlantic
7.5
Good
699 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,277 reviews
Virgin Atlantic
7.5
Good
699 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

  • What airport do you fly into for flights to San Antonio from London Heathrow?

    If you book a flight to San Antonio from London Heathrow, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from London Heathrow to San Antonio per day from 4 different airlines.

  • How long is the flight from London Heathrow Airport to San Antonio?

    For as low as £586, Scandinavian Airlines can have you in San Antonio from London Heathrow Airport in 23h 28m. The distance from London Heathrow Airport to San Antonio is about 4967 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to San Antonio round-trip?

    According to our current data, Scandinavian Airlines (£546), Lufthansa (£762), and British Airways (£788) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 46% lower than the current average price 3 months from now.

  • Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?

    Yes. In addition to deals on Heathrow to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Antonio.

  • Can I find deals for business class flights from Heathrow to San Antonio?

    Yes. Cheapflights offers flight deals from Heathrow to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to San Antonio?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £804). Flying from London Heathrow Airport to San Antonio in December is currently the most expensive (average of £1,269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Heathrow to San Antonio

AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£546Average£624FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£762Average£1,052FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£788Average£1,019FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£871Average£1,188FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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Can Cheapflights find flights from Heathrow to San Antonio with no change fees?

Certainly. Search results for flights to San Antonio from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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