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Flights to San Antonio

£325 Cheap flights to San Antonio

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 27/5. 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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0 bags

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Find the cheapest flights from the United Kingdom to San Antonio

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 20:11
LGW
-
SAT
36h 11m
2 stops
Multiple Airlines Logo
16:22 - 10:00
SAT
-
LGW
35h 38m
1 stop
£639Multiple Airlines
Mon, 8 Jun - Sat, 20 Jun
Scandinavian Airlines Logo
06:40 - 00:15
LHR
-
SAT
23h 35m
2 stops
Scandinavian Airlines Logo
12:10 - 21:40
SAT
-
LHR
27h 30m
2 stops
£676Scandinavian Airlines
Fri, 28 Aug - Sun, 6 Sep
Scandinavian Airlines Logo
18:40 - 00:15
LHR
-
SAT
35h 35m
2 stops
Scandinavian Airlines Logo
12:10 - 09:20
SAT
-
LHR
39h 10m
2 stops
£679Scandinavian Airlines
Fri, 18 Sep - Fri, 25 Sep
Lufthansa Logo
09:15 - 21:16
LCY
-
SAT
18h 01m
2 stops
Lufthansa Logo
16:13 - 17:55
SAT
-
LCY
19h 42m
2 stops
£914Lufthansa
Thu, 10 Sep - Mon, 14 Sep
United Airlines Logo
10:35 - 22:02
MAN
-
SAT
41h 27m
3 stops
United Airlines Logo
08:53 - 17:35
SAT
-
MAN
50h 42m
3 stops
£964United Airlines
Tue, 1 Sep - Tue, 15 Sep
United Airlines Logo
10:35 - 10:58
MAN
-
SAT
30h 23m
2 stops
United Airlines Logo
09:00 - 06:30
SAT
-
MAN
15h 30m
1 stop
£965United Airlines
Tue, 1 Sep - Tue, 15 Sep
British Airways Logo
06:30 - 18:38
BHD
-
SAT
18h 08m
2 stops
British Airways Logo
12:39 - 15:30
SAT
-
BHD
20h 51m
2 stops
£1,023British Airways
Thu, 8 Oct - Mon, 12 Oct
British Airways Logo
12:45 - 23:59
BHD
-
SAT
17h 14m
2 stops
British Airways Logo
08:41 - 12:55
SAT
-
BHD
22h 14m
2 stops
£1,023British Airways
Thu, 8 Oct - Mon, 12 Oct
Virgin Atlantic Logo
13:00 - 20:10
MAN
-
SAT
13h 10m
1 stop
Virgin Atlantic Logo
12:15 - 08:50
SAT
-
MAN
14h 35m
1 stop
£1,034Virgin Atlantic
Tue, 1 Sep - Tue, 15 Sep
Lufthansa Logo
09:15 - 20:37
LCY
-
SAT
17h 22m
2 stops
Lufthansa Logo
13:26 - 17:55
SAT
-
LCY
46h 29m
2 stops
£1,195Lufthansa
Tue, 2 Jun - Tue, 9 Jun

momondo Fare Finder

 
Locate flights to San Antonio that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 22 April 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 8/6

14:00-20:11

2 stops36h 11m

San Antonio

Sat 20/6

16:22-10:00

1 stop35h 38m

£639

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 28/8

06:40-00:15

2 stops23h 35m

San Antonio

Sun 6/9

12:10-21:40

2 stops27h 30m

£676

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 18/9

18:40-00:15

2 stops35h 35m

San Antonio

Fri 25/9

12:10-09:20

2 stops39h 10m

£679

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 10/9

09:15-21:16

2 stops18h 01m

San Antonio

Mon 14/9

16:13-17:55

2 stops19h 42m

£914

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Tue 1/9

10:35-22:02

3 stops41h 27m

San Antonio

Tue 15/9

08:53-17:35

3 stops50h 42m

£964

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Tue 1/9

10:35-10:58

2 stops30h 23m

San Antonio

Tue 15/9

09:00-06:30

1 stop15h 30m

£965

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Thu 8/10

06:30-18:38

2 stops18h 08m

San Antonio

Mon 12/10

12:39-15:30

2 stops20h 51m

£1,023

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Thu 8/10

12:45-23:59

2 stops17h 14m

San Antonio

Mon 12/10

08:41-12:55

2 stops22h 14m

£1,023
Fastest return journey

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Tue 1/9

13:00-20:10

1 stop13h 10m

San Antonio

Tue 15/9

12:15-08:50

1 stop14h 35m

£1,034

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Tue 2/6

09:15-20:37

2 stops17h 22m

San Antonio

Tue 9/6

13:26-17:55

2 stops46h 29m

£1,195

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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San Antonio flights insights and trends

Explore insights for your San Antonio flight to craft the best travel plan

What is the cheapest month to fly to San Antonio?

The month of February is, on average, the cheapest month to fly to San Antonio from United Kingdom, with most prices found around £697. If you aren’t able to travel to San Antonio during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £707.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £861 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United Kingdom for as low as £729 on momondo.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
Find flights from London Heathrow Airport to San Antonio
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTJanuary15% cheaperFlying from London Heathrow Airport to San Antonio costs on average just £735 in January
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTDecember35% more expensiveIt costs about £1,166 for flights to San Antonio from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTJune570% more users visitedMore momondo users searched in flights to San Antonio from London Heathrow Airport in June than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

£325

Best Round-Trip Price

£639

Fastest flight time

19h 38m

Popular in

August
The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £325 (London Gatwick to San Antonio).
Search Deals
The best round-trip flight price to San Antonio from United Kingdom in the last 72 hours is £639 (London Gatwick to San Antonio).
Search Deals
The fastest flight to San Antonio from United Kingdom takes 19h 38m (London Heathrow to San Antonio).
Search Deals
August has the highest demand for flights to San Antonio, with a 15% price increase on average.
Search Deals

Frequently asked questions about flying to San Antonio

How far in advance should I book a flight to San Antonio?

The ideal time to book your flight to San Antonio is 64 days in advance, when prices tend to average £845. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £602.

Is there an alternative airport near San Antonio?

San Antonio Airport can be an alternative airport used for travel to San Antonio.

Is there a cheaper alternative to flying into San Antonio?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in San Antonio is San Antonio Airport where the average price is £477. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Antonio Airport?

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

How many operators does momondo search for flights to San Antonio Airport?

As of April 2026, there are 7 operators available to choose from for flights to San Antonio Airport.

How old do you have to be to fly to San Antonio 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 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.

Travelling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels

Why use momondo?

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

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

Yes. momondo allows you to filter the results for flights to San Antonio to just show those with flexible booking policies.

How can momondo help me find flights to San Antonio?

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

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

Yes. momondo can track flight prices for San Antonio and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to San Antonio

Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo
London to San Antonio Flightsfrom £863
Edinburgh Turnhouse to San Antonio Flightsfrom £924
Manchester to San Antonio Flightsfrom £1,013
Glasgow to San Antonio Flightsfrom £1,365
Belfast to San Antonio Flightsfrom £1,382
Aberdeen Dyce to San Antonio Flightsfrom £1,792
Leeds/Bradford to San Antonio Flightsfrom £1,496
Birmingham to San Antonio Flightsfrom £2,011