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Flights to San Antonio

£345 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 26/5. 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 - 15:37
LGW
-
SAT
31h 37m
1 stop
Multiple Airlines Logo
20:56 - 10:00
SAT
-
LGW
31h 04m
2 stops
£664Multiple Airlines
Thu, 11 Jun - Mon, 22 Jun
Multiple Airlines Logo
14:00 - 15:37
LGW
-
SAT
31h 37m
1 stop
Multiple Airlines Logo
19:51 - 10:00
SAT
-
LGW
32h 09m
2 stops
£671Multiple Airlines
Thu, 11 Jun - Wed, 17 Jun
Scandinavian Airlines Logo
06:40 - 00:15
LHR
-
SAT
23h 35m
2 stops
Scandinavian Airlines Logo
12:15 - 18:30
SAT
-
LHR
24h 15m
2 stops
£708Scandinavian Airlines
Fri, 11 Sep - Mon, 14 Sep
Scandinavian Airlines Logo
06:40 - 23:52
LHR
-
SAT
23h 12m
2 stops
Scandinavian Airlines Logo
14:40 - 17:40
SAT
-
LHR
21h 00m
2 stops
£721Scandinavian Airlines
Thu, 11 Jun - Mon, 15 Jun
Lufthansa Logo
14:00 - 15:10
GLA
-
SAT
31h 10m
1 stop
Lufthansa Logo
06:00 - 10:10
SAT
-
GLA
22h 10m
1 stop
£933Lufthansa
Fri, 11 Sep - Mon, 14 Sep
Lufthansa Logo
06:05 - 20:37
MAN
-
SAT
20h 32m
2 stops
Lufthansa Logo
09:00 - 06:30
SAT
-
MAN
15h 30m
1 stop
£967Lufthansa
Thu, 1 Oct - Thu, 15 Oct
Virgin Atlantic Logo
20:45 - 17:18
MAN
-
SAT
26h 33m
2 stops
Virgin Atlantic Logo
16:25 - 06:55
SAT
-
MAN
32h 30m
1 stop
£993Virgin Atlantic
Sun, 1 Nov - Sat, 7 Nov
Virgin Atlantic Logo
09:30 - 20:22
MAN
-
SAT
16h 52m
1 stop
Virgin Atlantic Logo
16:25 - 06:55
SAT
-
MAN
32h 30m
1 stop
£1,029Virgin Atlantic
Sun, 1 Nov - Sat, 7 Nov
British Airways Logo
10:05 - 19:41
BHD
-
SAT
15h 36m
2 stops
British Airways Logo
08:13 - 10:30
SAT
-
BHD
20h 17m
2 stops
£1,053British Airways
Wed, 30 Sep - Sun, 4 Oct
British Airways Logo
11:35 - 23:21
BHD
-
SAT
17h 46m
2 stops
British Airways Logo
20:26 - 18:45
SAT
-
BHD
16h 19m
2 stops
£1,063British Airways
Wed, 30 Sep - Sun, 4 Oct

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 16 May 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

Thu 11/6

14:00-15:37

1 stop31h 37m

San Antonio

Mon 22/6

20:56-10:00

2 stops31h 04m

£664

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 11/6

14:00-15:37

1 stop31h 37m

San Antonio

Wed 17/6

19:51-10:00

2 stops32h 09m

£671

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 11/9

06:40-00:15

2 stops23h 35m

San Antonio

Mon 14/9

12:15-18:30

2 stops24h 15m

£708

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 11/6

06:40-23:52

2 stops23h 12m

San Antonio

Mon 15/6

14:40-17:40

2 stops21h 00m

£721

GlasgowSan Antonio

GLA - SAT

GLASAT

Glasgow Intl

Fri 11/9

14:00-15:10

1 stop31h 10m

San Antonio

Mon 14/9

06:00-10:10

1 stop22h 10m

£933

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Thu 1/10

06:05-20:37

2 stops20h 32m

San Antonio

Thu 15/10

09:00-06:30

1 stop15h 30m

£967

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Sun 1/11

20:45-17:18

2 stops26h 33m

San Antonio

Sat 7/11

16:25-06:55

1 stop32h 30m

£993

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Sun 1/11

09:30-20:22

1 stop16h 52m

San Antonio

Sat 7/11

16:25-06:55

1 stop32h 30m

£1,029

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 30/9

10:05-19:41

2 stops15h 36m

San Antonio

Sun 4/10

08:13-10:30

2 stops20h 17m

£1,053
Fastest return journey

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 30/9

11:35-23:21

2 stops17h 46m

San Antonio

Sun 4/10

20:26-18:45

2 stops16h 19m

£1,063

Flights are sorted by cheapest return flights first.

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

See travel insights to San Antonio from

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 £706. 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 £712.

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 £896 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 £715 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 AIRPORTFebruary18% cheaperFlying from London Heathrow Airport to San Antonio costs on average just £737 in February
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTDecember24% more expensiveIt costs about £1,115 for flights to San Antonio from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTJune575% 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

£345

Best Round-Trip Price

£664

Fastest flight time

16h 22m

Popular in

August
The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £345 (Edinburgh Turnhouse to San Antonio).
Search Deals
The best round-trip flight price to San Antonio from United Kingdom in the last 72 hours is £664 (London Gatwick to San Antonio).
Search Deals
The fastest flight to San Antonio from United Kingdom takes 16h 22m (Glasgow Intl to San Antonio).
Search Deals
August has the highest demand for flights to San Antonio, with a 16% 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 £863. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £577.

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 £372. 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 May 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 £815
Edinburgh Turnhouse to San Antonio Flightsfrom £1,095
Manchester to San Antonio Flightsfrom £993
Glasgow to San Antonio Flightsfrom £898
Belfast to San Antonio Flightsfrom £1,419
Aberdeen Dyce to San Antonio Flightsfrom £1,042
Leeds/Bradford to San Antonio Flightsfrom £1,683
Birmingham to San Antonio Flightsfrom £995