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Cheap flights from Southampton to Austin from £522

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — AUS
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Austin

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Austin
Explore the most affordable flight options available from Southampton to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2026.

Thu 5/312:20
SOU
-
AUS
2 stops34h 30m
British Airways
Mon 9/319:55
AUS
-
SOU
2 stops31h 15m
British Airways
Deal found 17/2£858
Thu 19/220:10
SOU
-
AUS
2 stops26h 40m
Aer Lingus
Thu 26/218:55
AUS
-
SOU
2 stops18h 45m
Aer Lingus
Deal found 16/2£984
Wed 25/212:00
SOU
-
AUS
2 stops34h 50m
British Airways
Wed 22/417:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 18/2£1,027
Wed 25/212:00
SOU
-
AUS
2 stops34h 50m
British Airways
Sun 19/417:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 18/2£1,056
Wed 25/212:00
SOU
-
AUS
2 stops34h 50m
British Airways
Thu 16/417:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 18/2£1,077
Sat 21/217:15
SOU
-
AUS
2 stops53h 35m
British Airways
Wed 22/417:55
AUS
-
SOU
2 stops17h 45m
British Airways
Deal found 18/2£1,172
Sat 21/217:15
SOU
-
AUS
2 stops53h 35m
British Airways
Sun 19/417:55
AUS
-
SOU
2 stops33h 30m
British Airways
Deal found 18/2£1,209
Fri 20/212:20
SOU
-
AUS
2 stops34h 30m
British Airways
Tue 21/417:55
AUS
-
SOU
2 stops19h 05m
British Airways
Deal found 18/2£1,216
Sat 21/217:15
SOU
-
AUS
2 stops53h 35m
British Airways
Thu 16/417:55
AUS
-
SOU
2 stops35h 50m
British Airways
Deal found 18/2£1,229

Find flight deals from Southampton to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 February 2026.

Round-trip from

£858

One-way from

£522

Popular in

July

Cheapest in

September

Average price

£538
British Airways
  • British Airways
  • 5/3-9/3
  • 4 total stops
  • 65h 45m total
  • Southampton to Austin
Search Deals
British Airways
  • British Airways
  • 21/4
  • 2 total stops
  • 25h 30m total
  • Southampton to Austin
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Austin 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, Cheapflights users made 858,174 searches. Data last updated 19 February 2026.
Use the filters below to find and compare flights from Southampton to Austin that are best for you.

Fly from

Southampton

Fly to

Austin

Route

Depart

Return

Price

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 5/3

12:20-16:50

2 stops34h 30m

Austin Bergstrom

Mon 9/3

19:55-08:10

2 stops31h 15m

£858

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Tue 21/4

19:55-15:25

2 stops25h 30m

£522

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Wed 25/2

12:00-16:50

2 stops58h 50m

£930

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Tue 24/2

17:35-19:46

2 stops32h 11m

£1,179

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Best time to book a flight from Southampton to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Southampton 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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Austin

What is the cheapest month to book a flight from Southampton to Austin?

Currently, December is the cheapest month in which you can book a flight from Southampton to Austin (average of £327). Flying from Southampton to Austin in July is currently the most expensive (average of £549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Austin?

    Departing from Southampton to Austin will take you 34h 30m. The distance between Southampton and Austin is about 4881 mi.

  • Can I find deals for flights from Southampton to Austin that include hotel bookings?

    Yes. In addition to deals on Southampton to Austin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Austin.

  • Can I find deals for business class flights from Southampton to Austin?

    Yes. Cheapflights offers flight deals from Southampton to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Austin?

    Currently, December is the cheapest month in which you can book a flight from Southampton to Austin (average of £327). Flying from Southampton to Austin in July is currently the most expensive (average of £549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Round Rock

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Fly with Cheapflights

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 Southampton to Austin?

When you search for this flight from Southampton to Austin, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Austin?

Cheapflights helps you find that perfect flight to Austin from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to Austin with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Austin flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Austin become cheaper?

Yes! Start tracking prices for Southampton to Austin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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