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Flights to San Antonio

£292 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 7/6. 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 - 18:59
LGW
-
SAT
34h 59m
2 stops
Multiple Airlines Logo
12:45 - 10:00
SAT
-
LGW
15h 15m
1 stop
£670Multiple Airlines
Wed, 3 Jun - Fri, 19 Jun
Multiple Airlines Logo
06:00 - 21:13
LHR
-
SAT
21h 13m
2 stops
Multiple Airlines Logo
10:38 - 06:25
SAT
-
LHR
13h 47m
1 stop
£682Multiple Airlines
Wed, 1 Jul - Wed, 22 Jul
Scandinavian Airlines Logo
19:30 - 00:46
LHR
-
SAT
35h 16m
2 stops
Scandinavian Airlines Logo
15:33 - 16:00
SAT
-
LHR
42h 27m
2 stops
£685Scandinavian Airlines
Mon, 13 Apr - Mon, 4 May
Scandinavian Airlines Logo
18:40 - 00:46
LHR
-
SAT
36h 06m
2 stops
Scandinavian Airlines Logo
15:33 - 16:00
SAT
-
LHR
42h 27m
2 stops
£688Scandinavian Airlines
Mon, 13 Apr - Mon, 4 May
Scandinavian Airlines Logo
06:40 - 00:46
LHR
-
SAT
24h 06m
2 stops
Scandinavian Airlines Logo
15:33 - 16:00
SAT
-
LHR
42h 27m
2 stops
£700Scandinavian Airlines
Tue, 28 Apr - Tue, 5 May
Lufthansa Logo
05:55 - 22:55
BHX
-
SAT
23h 00m
2 stops
Lufthansa Logo
07:00 - 17:25
SAT
-
BHX
28h 25m
2 stops
£917Lufthansa
Mon, 11 May - Mon, 18 May
Lufthansa Logo
18:30 - 20:40
LCY
-
SAT
32h 10m
2 stops
Lufthansa Logo
12:09 - 17:55
SAT
-
LCY
23h 46m
2 stops
£921Lufthansa
Tue, 28 Apr - Tue, 5 May
United Airlines Logo
09:40 - 22:58
EDI
-
SAT
19h 18m
2 stops
United Airlines Logo
12:09 - 10:35
SAT
-
EDI
16h 26m
1 stop
£950United Airlines
Mon, 27 Apr - Mon, 4 May
United Airlines Logo
05:55 - 20:35
BHX
-
SAT
44h 40m
3 stops
United Airlines Logo
07:00 - 17:25
SAT
-
BHX
28h 25m
2 stops
£1,072United Airlines
Mon, 11 May - Mon, 18 May
British Airways Logo
16:00 - 17:41
LCY
-
SAT
31h 41m
2 stops
British Airways Logo
20:23 - 15:45
SAT
-
LCY
37h 22m
2 stops
£1,320British Airways
Fri, 15 May - Fri, 22 May

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 1 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

Wed 3/6

14:00-18:59

2 stops34h 59m

San Antonio

Fri 19/6

12:45-10:00

1 stop15h 15m

£670
Fastest return journey

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 1/7

06:00-21:13

2 stops21h 13m

San Antonio

Wed 22/7

10:38-06:25

1 stop13h 47m

£682

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 13/4

19:30-00:46

2 stops35h 16m

San Antonio

Mon 4/5

15:33-16:00

2 stops42h 27m

£685

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 13/4

18:40-00:46

2 stops36h 06m

San Antonio

Mon 4/5

15:33-16:00

2 stops42h 27m

£688

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 28/4

06:40-00:46

2 stops24h 06m

San Antonio

Tue 5/5

15:33-16:00

2 stops42h 27m

£700

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Mon 11/5

05:55-22:55

2 stops23h 00m

San Antonio

Mon 18/5

07:00-17:25

2 stops28h 25m

£917

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Tue 28/4

18:30-20:40

2 stops32h 10m

San Antonio

Tue 5/5

12:09-17:55

2 stops23h 46m

£921

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Mon 27/4

09:40-22:58

2 stops19h 18m

San Antonio

Mon 4/5

12:09-10:35

1 stop16h 26m

£950

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Mon 11/5

05:55-20:35

3 stops44h 40m

San Antonio

Mon 18/5

07:00-17:25

2 stops28h 25m

£1,072

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Fri 15/5

16:00-17:41

2 stops31h 41m

San Antonio

Fri 22/5

20:23-15:45

2 stops37h 22m

£1,320

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £713. If you aren’t able to travel to San Antonio during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £718.

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 £869 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 £719 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 AIRPORTJanuary14% cheaperFlying from London Heathrow Airport to San Antonio costs on average just £751 in January
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTDecember25% more expensiveIt costs about £1,095 for flights to San Antonio from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTJune450% 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

£292

Best Round-Trip Price

£670

Fastest flight time

21h 20m

Popular in

August
The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £292 (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 £670 (London Gatwick to San Antonio).
Search Deals
The fastest flight to San Antonio from United Kingdom takes 21h 20m (Edinburgh Turnhouse 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 £856. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £615.

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 £430. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Newark found flights 91% cheaper than the average price of flights to San Antonio. To find the cheapest price to San Antonio from your area, use 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 £940
Belfast to San Antonio Flightsfrom £2,410
Manchester to San Antonio Flightsfrom £1,264
Edinburgh Turnhouse to San Antonio Flightsfrom £1,003
Glasgow to San Antonio Flightsfrom £1,268
Aberdeen Dyce to San Antonio Flightsfrom £1,792
Birmingham to San Antonio Flightsfrom £1,538
Leeds/Bradford to San Antonio Flightsfrom £1,496