Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Antonio to London from $300

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 London departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Antonio to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 11:25 pmSAT-STN
34h 40m3 stops
Multiple Airlines Logo
11:35 am - 6:32 pmSTN-SAT
36h 57m3 stops
$1,013Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Multiple Airlines Logo
3:02 pm - 10:35 pmSAT-STN
25h 33m3 stops
Multiple Airlines Logo
7:40 am - 11:01 amSTN-SAT
32h 21m3 stops
$1,252Multiple Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 15
Turkish Airlines Logo
12:24 pm - 4:50 pmSAT-STN
22h 26m2 stops
Turkish Airlines Logo
5:45 pm - 10:33 pmSTN-SAT
34h 48m2 stops
$1,361Turkish Airlines
Find Deal
Mon, Apr 6 - Wed, Apr 15

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to London Stansted Airport 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 October 21, 2025.
Use the filters below to find and compare flights from San Antonio to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 11/16

6:45 am-11:25 pm

3 stops34h 40m

London Stansted

Sun 11/23

11:35 am-6:32 pm

3 stops36h 57m

$1,013

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 3/1

3:02 pm-10:35 pm

3 stops25h 33m

London Stansted

Sun 3/15

7:40 am-11:01 am

3 stops32h 21m

$1,252

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Mon 4/6

12:24 pm-4:50 pm

2 stops22h 26m

London Stansted

Wed 4/15

5:45 pm-10:33 pm

2 stops34h 48m

$1,361

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 2/8

4:16 pm-4:55 pm

3 stops42h 39m

$300

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Tue 2/10

6:00 am-8:30 pm

3 stops32h 30m

$306

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 11/2

8:26 pm-2:20 pm

3 stops35h 54m

$375

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Mon 2/9

6:00 am-7:50 am

3 stops19h 50m

$407

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Wed 2/11

3:02 pm-10:40 pm

3 stops25h 38m

$421

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Tue 12/16

7:00 am-11:10 pm

3 stops34h 10m

$442

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 11/2

4:54 pm-2:20 pm

2 stops39h 26m

$594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

When to book flights from San Antonio to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to London Stansted Airport (SAT to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to London Stansted Airport

Direct flights

None
There are no direct flights from San Antonio to London Stansted Airport. There are no popular flight routes from San Antonio to London Stansted Airport.
Search flight deals

  • How far is San Antonio to London Stansted by plane?

    The distance between San Antonio and London Stansted is about 4988.2 mi. A reasonable flight in good conditions will take 22h 26m.

  • When did momondo last update prices for flights from San Antonio Airport to London Stansted Airport?

    Prices for flights from San Antonio Airport to London Stansted Airport were last updated today.

  • How old do you have to be to fly from San Antonio Airport to London Stansted 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 from San Antonio Airport to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from San Antonio to London Stansted Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to San Antonio from London Stansted Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from San Antonio to London Stansted Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Cobham
Wembley
Ilford
Stansted
Watford

Why use momondo?

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

Finding the right flight to London from San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between San Antonio and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London 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 London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 11/20
Thu 11/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $366
Flights to London Gatwick Airportfrom $351
Flights to London City Airportfrom $452
Flights to London Luton Airportfrom $373
Flights to Glasgow Intl Airportfrom $408
Flights to Belfast Intl Airportfrom $459
Flights to London Southend Airportfrom $456
Flights to Belfast City Airportfrom $551