Which airlines fly to San Antonio?

There may be other airlines that fly to San Antonio from United Kingdom, but the most popular among our users are British Airways, Virgin Atlantic, Finnair and Lufthansa. These airlines should offer flights to San Antonio on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

KLM Flights to San Antonio

There are 24 KLM flights to San Antonio in a normal week. The most common departure point is Atlanta Hartsfield-Jackson and the best KLM ticket price seen on momondo is £734 (last 72 hours, from Birmingham, to San Antonio). KLM has a score of 7.7 from 1,411 user reviews on momondo.

Finnair Flights to San Antonio

Another popular choice for flights to San Antonio is Finnair (7.6/10, 1,335 reviews). Most Finnair flights landing in San Antonio will be arriving from Dallas/Fort Worth, but there are 5 Finnair flights to San Antonio from all departure points globally so prices can vary significantly. The best Finnair deal found on momondo this week was £516 (Edinburgh Turnhouse to San Antonio, round-trip).

How long does it take to fly to San Antonio?

If you’re flying from a popular airport in United Kingdom, such as London Heathrow or Manchester, and flying into San Antonio, then you can expect flight times to average 10h 15m and 14h, respectively.

£242 Cheap Flights to San Antonio in 2025/26

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Find the cheapest flights from the United Kingdom to San Antonio

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One-way

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14:00 - 00:07LGW-SAT

16h 07m1 stop

06:30 - 10:00SAT-LGW

21h 30m1 stop

£398Multiple Airlines

Find Deal

Thu, 29 Jan - Mon, 2 Feb

14:00 - 19:33LGW-SAT

35h 33m2 stops

06:30 - 10:00SAT-LGW

21h 30m1 stop

£416Multiple Airlines

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Thu, 29 Jan - Mon, 2 Feb

06:40 - 23:45LHR-SAT

23h 05m2 stops

13:40 - 17:40SAT-LHR

22h 00m2 stops

£593Scandinavian Airlines

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Thu, 29 Jan - Mon, 2 Feb

07:05 - 00:41LHR-SAT

23h 36m3 stops

13:40 - 21:40SAT-LHR

26h 00m2 stops

£628Scandinavian Airlines

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Thu, 29 Jan - Mon, 2 Feb

09:50 - 21:21LCY-SAT

17h 31m2 stops

12:15 - 09:15SAT-LCY

15h 00m2 stops

£846Lufthansa

Find Deal

Mon, 12 Jan - Mon, 19 Jan

09:25 - 19:53EDI-SAT

16h 28m2 stops

12:40 - 07:55SAT-EDI

13h 15m1 stop

£866United Airlines

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Fri, 20 Feb - Tue, 24 Feb

09:25 - 19:53EDI-SAT

16h 28m2 stops

12:40 - 07:55SAT-EDI

13h 15m1 stop

£868United Airlines

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Fri, 20 Feb - Tue, 24 Feb

06:05 - 23:12BHX-SAT

23h 07m2 stops

17:20 - 17:00SAT-BHX

17h 40m2 stops

£878Lufthansa

Find Deal

Fri, 20 Feb - Tue, 24 Feb

19:15 - 21:57LCY-SAT

32h 42m2 stops

16:47 - 14:35SAT-LCY

39h 48m2 stops

£900British Airways

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Sun, 8 Feb - Sat, 14 Feb

17:00 - 18:03LCY-SAT

31h 03m2 stops

08:17 - 08:50SAT-LCY

18h 33m2 stops

£919British Airways

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Thu, 4 Dec - Thu, 11 Dec

Fly from

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 29/1

14:00-00:07

1 stop16h 07m

San Antonio

Mon 2/2

06:30-10:00

1 stop21h 30m

£398

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 29/1

14:00-19:33

2 stops35h 33m

San Antonio

Mon 2/2

06:30-10:00

1 stop21h 30m

£416

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 29/1

06:40-23:45

2 stops23h 05m

San Antonio

Mon 2/2

13:40-17:40

2 stops22h 00m

£593

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 29/1

07:05-00:41

3 stops23h 36m

San Antonio

Mon 2/2

13:40-21:40

2 stops26h 00m

£628

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Mon 12/1

09:50-21:21

2 stops17h 31m

San Antonio

Mon 19/1

12:15-09:15

2 stops15h 00m

£846

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Fri 20/2

09:25-19:53

2 stops16h 28m

San Antonio

Tue 24/2

12:40-07:55

1 stop13h 15m

£866

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Fri 20/2

09:25-19:53

2 stops16h 28m

San Antonio

Tue 24/2

12:40-07:55

1 stop13h 15m

£868

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Fri 20/2

06:05-23:12

2 stops23h 07m

San Antonio

Tue 24/2

17:20-17:00

2 stops17h 40m

£878

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Sun 8/2

19:15-21:57

2 stops32h 42m

San Antonio

Sat 14/2

16:47-14:35

2 stops39h 48m

£900

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 4/12

17:00-18:03

2 stops31h 03m

San Antonio

Thu 11/12

08:17-08:50

2 stops18h 33m

£919

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Antonio flights insights and trends

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

Prices

Other information

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 £552. If you aren’t able to travel to San Antonio during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £580.

What is the cheapest day to depart on your flight to San Antonio?

According to our data, Wednesday is the cheapest day to fly to San Antonio from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £634. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to San Antonio for around £706.

What is the cheapest time of day to depart on your flight to San Antonio?

At midday is the cheapest time of day to fly from United Kingdom to San Antonio when you can find flight prices for as low as £630. Flying to San Antonio at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £707. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £802 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 £651 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 AIRPORT	March	23% cheaper	Flying from London Heathrow Airport to San Antonio costs on average just £619 in March
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORT	August	34% more expensive	It costs about £1,083 for flights to San Antonio from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORT	December	384% more users visited	More momondo users searched in flights to San Antonio from London Heathrow Airport in December 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	£242
Best Round-Trip Price	£398
Fastest flight time	23h 26m
Popular in	August

The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £242 (London Gatwick to San Antonio).

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The best round-trip flight price to San Antonio from United Kingdom in the last 72 hours is £398 (London Gatwick to San Antonio).

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The fastest flight to San Antonio from United Kingdom takes 23h 26m (London Heathrow to San Antonio).

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August has the highest demand for flights to San Antonio, with a 14% price increase on average.

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Frequently asked questions about flying to San Antonio

Are there any amusement parks near San Antonio?

Yes, Six Flags Fiesta Texas is close to San Antonio and is a great place to spend time with the family when the weather is right. Consider planning your trip to San Antonio for the months of May and June if you have interest in visiting amusement or water parks. Flights to San Antonio are very popular around then, and it is recommended that you plan early.

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

The ideal time to book your flight to San Antonio is 75 days in advance, when prices tend to average £764. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £541.

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 £331. 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 November 2025, there are 8 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.

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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.