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Cheap flights from San Antonio to the United Kingdom from $244

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to the United Kingdom departing on 9/26. 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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Find the cheapest flights from San Antonio to the United Kingdom

Cheap round-trip flights

Logo
6:11 pm - 10:00 amSAT-LGW
33h 49m2 stops
Logo
12:00 pm - 11:57 pmLGW-SAT
17h 57m2 stops
$491
Find Deal
dom., ago. 24 - jue., sep. 4
United Airlines Logo
2:14 pm - 7:30 amSAT-LHR
11h 16m1 stop
United Airlines Logo
1:25 pm - 11:00 pmLHR-SAT
39h 35m2 stops
$505United Airlines
Find Deal
mié., nov. 19 - mié., dic. 3
British Airways Logo
6:49 pm - 2:25 pmSAT-LHR
13h 36m1 stop
British Airways Logo
3:10 pm - 10:39 pmLHR-SAT
13h 29m1 stop
$506British Airways
Find Deal
mié., oct. 1 - mié., oct. 8
British Airways Logo
1:00 pm - 6:50 amSAT-LHR
11h 50m1 stop
British Airways Logo
11:00 am - 7:25 pmLHR-SAT
14h 25m1 stop
$509British Airways
Find Deal
mié., oct. 1 - mié., oct. 8
Delta Logo
11:35 am - 9:15 amSAT-LHR
15h 40m1 stop
Delta Logo
11:30 am - 12:20 amLHR-SAT
18h 50m2 stops
$520Delta
Find Deal
mié., oct. 1 - mié., oct. 8
Delta Logo
10:37 am - 7:15 amSAT-LHR
14h 38m2 stops
Delta Logo
11:30 am - 12:20 amLHR-SAT
18h 50m2 stops
$524Delta
Find Deal
mié., oct. 1 - mié., oct. 8
Iberia Logo
5:16 pm - 6:25 amSAT-LHR
31h 09m1 stop
Iberia Logo
4:25 pm - 11:43 pmLHR-SAT
13h 18m1 stop
$527Iberia
Find Deal
sáb., sep. 27 - jue., oct. 9
Iberia Logo
6:24 pm - 12:15 pmSAT-LHR
11h 51m1 stop
Iberia Logo
4:25 pm - 10:59 pmLHR-SAT
12h 34m1 stop
$572Iberia
Find Deal
vie., ago. 15 - vie., ago. 22
American Airlines Logo
8:00 am - 7:10 amSAT-EDI
17h 10m1 stop
American Airlines Logo
12:30 pm - 10:59 pmEDI-SAT
16h 29m2 stops
$681American Airlines
Find Deal
mié., ago. 27 - mar., sep. 2
American Airlines Logo
8:58 am - 7:10 amSAT-EDI
16h 12m2 stops
American Airlines Logo
11:35 am - 9:44 pmEDI-SAT
16h 09m2 stops
$718American Airlines
Find Deal
vie., ago. 22 - vie., ago. 29

United Airlines flights from San Antonio to United Kingdom

Our best United Airlines deals on San Antonio to United Kingdom flight tickets
United Airlines
Nov 19
SAT2:14 pmSan Antonio
11h 16m
1 stop
LHR7:30 amLondon Heathrow
Dec 3
LHR1:25 pmLondon Heathrow
39h 35m
2 stops
SAT11:00 pmSan Antonio
$505
Find similar
United Airlines
Aug 20
SAT2:25 pmSan Antonio
15h 20m
2 stops
LHR11:45 amLondon Heathrow
Aug 27
LHR1:00 pmLondon Heathrow
15h 48m
2 stops
SAT10:48 pmSan Antonio
$532
Find similar
United Airlines
Dec 10
SAT2:12 pmSan Antonio
15h 08m
2 stops
LHR11:20 amLondon Heathrow
Dec 18
LHR7:40 amLondon Heathrow
19h 46m
2 stops
SAT9:26 pmSan Antonio
$538
Find similar

Air Canada flights from San Antonio to United Kingdom

Our best Air Canada deals on San Antonio to United Kingdom flight tickets
Air Canada
Sep 10
SAT5:30 amSan Antonio
22h 05m
2 stops
LHR9:35 amLondon Heathrow
Sep 17
LHR9:30 amLondon Heathrow
19h 18m
2 stops
SAT10:48 pmSan Antonio
$518
Find similar
Air Canada
Sep 26
SAT5:09 pmSan Antonio
31h 21m
2 stops
LHR6:30 amLondon Heathrow
Oct 8
LHR9:30 amLondon Heathrow
19h 25m
2 stops
SAT10:55 pmSan Antonio
$568
Find similar
Air Canada
Aug 15
SAT5:30 amSan Antonio
19h 00m
2 stops
LHR6:30 amLondon Heathrow
Aug 21
LHR12:05 pmLondon Heathrow
29h 56m
2 stops
SAT12:01 pmSan Antonio
$1,051
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 4, 2025.
Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

dom. 8/24

6:11 pm-10:00 am

2 stops33h 49m

London Gatwick

jue. 9/4

12:00 pm-11:57 pm

2 stops17h 57m

$491

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 11/19

2:14 pm-7:30 am

1 stop11h 16m

London Heathrow

mié. 12/3

1:25 pm-11:00 pm

2 stops39h 35m

$505

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/1

6:49 pm-2:25 pm

1 stop13h 36m

London Heathrow

mié. 10/8

3:10 pm-10:39 pm

1 stop13h 29m

$506

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/1

1:00 pm-6:50 am

1 stop11h 50m

London Heathrow

mié. 10/8

11:00 am-7:25 pm

1 stop14h 25m

$509

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/1

11:35 am-9:15 am

1 stop15h 40m

London Heathrow

mié. 10/8

11:30 am-12:20 am

2 stops18h 50m

$520

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/1

10:37 am-7:15 am

2 stops14h 38m

London Heathrow

mié. 10/8

11:30 am-12:20 am

2 stops18h 50m

$524

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

sáb. 9/27

5:16 pm-6:25 am

1 stop31h 09m

London Heathrow

jue. 10/9

4:25 pm-11:43 pm

1 stop13h 18m

$527

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

vie. 8/15

6:24 pm-12:15 pm

1 stop11h 51m

London Heathrow

vie. 8/22

4:25 pm-10:59 pm

1 stop12h 34m

$572

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

mié. 8/27

8:00 am-7:10 am

1 stop17h 10m

Edinburgh Turnhouse

mar. 9/2

12:30 pm-10:59 pm

2 stops16h 29m

$681

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

vie. 8/22

8:58 am-7:10 am

2 stops16h 12m

Edinburgh Turnhouse

vie. 8/29

11:35 am-9:44 pm

2 stops16h 09m

$718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from San Antonio to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

In general, February is the cheapest month to fly from San Antonio to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $743. If you aren’t able to travel to United Kingdom during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $743.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Antonio to United Kingdom is on a Wednesday when prices can be found for as low as $835. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,031.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from San Antonio to United Kingdom in the evening for as low as $861. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the morning, with an average ticket price of $1,021. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $972 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Antonio for as low as $701 on momondo.

Can stopping save me money on San Antonio to United Kingdom flights?

You could potentially save up to 4% on your flight if you consider stops on a San Antonio to United Kingdom flight.

Cheap San Antonio to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to United Kingdom

Best Price Found

$244

Fastest flight time

11h 15m

Direct flights

None

Airports in United Kingdom

7 airports
The best one-way flight to United Kingdom from San Antonio in the past 72 hours is $244. The best round-trip flight deal from San Antonio to United Kingdom found on momondo in the last 72 hours is $491.
The fastest flight from San Antonio to United Kingdom takes 11h 15m
There are no direct flights from San Antonio to United Kingdom. Popular non-direct routes for this connection are San Antonio Airport - London Gatwick Airport, San Antonio Airport - London Heathrow Airport and San Antonio Airport - Manchester Airport.
There are 7 airports near United Kingdom: London City (LCY), London Heathrow (LHR), Southampton Eastleigh (SOU), Manchester (MAN), Edinburgh Turnhouse (EDI), London Gatwick (LGW), Glasgow Intl (GLA)
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  • When did momondo last update prices for flights from San Antonio Airport to United Kingdom?

    Prices for flights from San Antonio Airport to United Kingdom refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to United Kingdom?

  • How old do you have to be to fly from San Antonio Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Antonio to United Kingdom

Compare and see reviews for airlines that fly from San Antonio to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $555Free CancellationRating
6.6
7,235 reviews
Search British Airways flights
IberiaPriceFrom $632Free CancellationRating
7.0
2,865 reviews
Search Iberia flights
DeltaPriceFrom $649Free CancellationRating
8.0
7,987 reviews
Search Delta flights
American AirlinesPriceFrom $652Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $688Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $692Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
LufthansaPriceFrom $921Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights

Why use momondo?

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

It is quick and easy to find San Antonio to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

Can I find flights from San Antonio to United Kingdom with flexible booking policies on momondo?

Flights from San Antonio to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to United Kingdom.

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

Price alerts on flights to United Kingdom from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your United Kingdom trip

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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