£125+ Cheap flights from San Antonio

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — LHR
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

Find flights from San Antonio within your budget

 
Find flights departing from San Antonio that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Tue 1/9

13:45-07:20

2 stops35h 35m

Edinburgh Turnhouse

Tue 8/9

09:00-15:39

2 stops36h 39m

£636

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 8/9

17:30-13:15

1 stop13h 45m

London Heathrow

Thu 17/9

09:55-22:15

2 stops18h 20m

£643

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 10/10

16:20-07:45

1 stop33h 25m

London Heathrow

Wed 14/10

09:30-23:08

2 stops43h 38m

£655

San AntonioVenice

SAT - VCE

SATVCE

San Antonio

Mon 31/8

07:00-07:55

1 stop17h 55m

Venice Marco Polo

Thu 10/9

12:20-11:40

2 stops30h 20m

£677

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Sun 9/8

06:40-08:25

1 stop19h 45m

Edinburgh Turnhouse

Sat 22/8

09:15-20:37

2 stops17h 22m

£683

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 13/5

06:50-06:25

1 stop17h 35m

London Heathrow

Wed 20/5

06:30-17:20

2 stops16h 50m

£687

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 12/5

07:55-06:25

1 stop16h 30m

London Heathrow

Tue 19/5

06:30-18:23

2 stops17h 53m

£687

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Mon 7/9

17:24-17:55

2 stops18h 31m

London City

Mon 14/9

18:30-20:45

2 stops32h 15m

£696

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/8

08:53-06:55

2 stops16h 02m

London Heathrow

Mon 31/8

12:05-21:13

1 stop15h 08m

£700

San AntonioGlasgow

SAT - GLA

SATGLA

San Antonio

Sat 10/10

16:20-16:40

2 stops42h 20m

Glasgow Intl

Mon 19/10

09:25-21:13

2 stops41h 48m

£703

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Antonio

Have a flexible travel schedule? Discover the best time to fly from San Antonio with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Antonio

Get recent, data-driven insights about flights from San Antonio including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Antonio?

Use this chart to determine the optimal time to book a return flight from San Antonio to Heathrow. Price data was last updated on 10 April 2026.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Antonio?

Currently, October is the cheapest month in which you can book a flight from San Antonio (average of £445). Flying from San Antonio in June will prove the most costly (average of £948). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from San Antonio?

If you’re flying from San Antonio, these routes are more frequently taken by airlines Chicago (368 flights per day), Dallas (331 flights per day) and Atlanta (194 flights per day).

Mexico City Benito Juarez
Mexico City Benito Juarez
From £71
Los Angeles
Los Angeles
From £340
Dallas/Fort Worth
Dallas/Fort Worth
From £36
San Diego
San Diego
From £95

What is the cheapest place to fly to from San Antonio?

The cheapest city to fly to from San Antonio is Dallas/Fort Worth, with prices starting at £36. Explore other affordable destinations below.

Dallas/Fort Worth
Dallas/Fort Worth
From £36
Mexico City Benito Juarez
Mexico City Benito Juarez
From £71
San Diego
San Diego
From £95
Orlando
Orlando
From £120

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Related info for your journey

Access useful and relevant information related to your journey from San Antonio. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 April 2026.

  • What are the most popular destinations to fly to from San Antonio?

    This month, the top selected destinations from San Antonio are Denver, Boston, Atlanta. Throughout the year, Denver, Atlanta, Cancún are some of the top choices made by users flying from San Antonio.

  • What is the cheapest flight from San Antonio to anywhere?

    Users have flown out of San Antonio for as low as £36 to Dallas Love Field Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £198 to fly from San Antonio.

  • What is the cheapest premium economy flight from San Antonio?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Antonio.
    San Antonio to Los Angeles from £543
    San Antonio to Salt Lake City from £550

  • What is the cheapest first class flight from San Antonio?

    If you’re looking for a cheap first-class flight from San Antonio, consider Atlanta. Prices start at £820 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Antonio?

    At the present moment the cheapest month to fly from San Antonio is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Antonio?

    Check out the cheapest flights from San Antonio to embark to:
    Travel from San Antonio to London from £604 round trip

  • How does Cheapflights help users find flights from San Antonio?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Antonio today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from San Antonio?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Antonio for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from San Antonio with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from San Antonio flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from San Antonio become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from San Antonio today and book when you’re ready!

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Antonio?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Antonio today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Antonio flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Antonio become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from San Antonio today and book when you’re ready!

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