Find flights
When to book
FAQs

Cheap flights from Southampton to Austin from £646

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — AUS
4 Mar — 11 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 2 February 2026.

Wed 18/308:50
SOU
-
AUS
2 stops18h 54m
KLM
Wed 25/315:48
AUS
-
SOU
2 stops20h 37m
KLM
Deal found 1/2£646
Tue 5/517:20
SOU
-
AUS
2 stops30h 03m
Delta
Thu 14/507:30
AUS
-
SOU
2 stops27h 20m
Delta
Deal found 31/1£689
Thu 7/509:05
SOU
-
AUS
1 stop13h 05m
Delta
Thu 14/518:05
AUS
-
SOU
1 stop16h 45m
Delta
Deal found 31/1£716
Thu 26/208:50
SOU
-
AUS
1 stop13h 20m
KLM
Mon 16/307:15
AUS
-
SOU
2 stops20h 05m
KLM
Deal found 1/2£741
Tue 5/509:05
SOU
-
AUS
2 stops18h 51m
Delta
Fri 15/510:03
AUS
-
SOU
2 stops16h 42m
Delta
Deal found 31/1£754
Thu 26/208:50
SOU
-
AUS
1 stop13h 20m
Virgin Atlantic
Mon 16/319:05
AUS
-
SOU
1 stop16h 55m
Virgin Atlantic
Deal found 1/2£765
Wed 6/517:20
SOU
-
AUS
2 stops29h 59m
Delta
Fri 15/510:03
AUS
-
SOU
2 stops16h 42m
Delta
Deal found 31/1£784
Thu 5/306:50
SOU
-
AUS
2 stops40h 00m
British Airways
Mon 9/319:55
AUS
-
SOU
2 stops31h 15m
British Airways
Deal found 1/2£833
Thu 7/506:50
SOU
-
AUS
2 stops19h 45m
British Airways
Wed 13/517:55
AUS
-
SOU
2 stops14h 50m
British Airways
Deal found 31/1£1,033

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 2 February 2026.

Round-trip from

£646

Popular in

July

Cheapest in

September

Average price

£520
KLM
  • KLM
  • 18/3-25/3
  • 4 total stops
  • 39h 31m total
  • Southampton to Austin
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% 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 2 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

Wed 18/3

08:50-22:44

2 stops18h 54m

Austin Bergstrom

Wed 25/3

15:48-17:25

2 stops20h 37m

£646

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Tue 5/5

09:05-22:09

2 stops19h 04m

Austin Bergstrom

Wed 13/5

06:35-08:35

2 stops20h 00m

£689

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Tue 5/5

09:05-21:56

2 stops18h 51m

Austin Bergstrom

Mon 11/5

06:35-16:50

2 stops28h 15m

£689

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Tue 5/5

09:05-21:56

2 stops18h 51m

Austin Bergstrom

Thu 14/5

18:05-16:50

1 stop16h 45m

£689

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Sat 9/5

09:15-16:10

1 stop12h 55m

Austin Bergstrom

Wed 13/5

10:03-08:35

2 stops16h 32m

£716

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Sat 9/5

09:15-16:10

1 stop12h 55m

Austin Bergstrom

Mon 11/5

18:05-16:50

1 stop16h 45m

£716

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 7/5

09:05-16:10

1 stop13h 05m

Austin Bergstrom

Thu 14/5

18:05-16:50

1 stop16h 45m

£716

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 7/5

09:05-16:10

1 stop13h 05m

Austin Bergstrom

Wed 13/5

10:03-08:35

2 stops16h 32m

£716

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 8/5

17:20-16:10

1 stop28h 50m

Austin Bergstrom

Mon 11/5

18:05-16:50

1 stop16h 45m

£716

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Wed 6/5

17:20-16:10

1 stop28h 50m

Austin Bergstrom

Thu 14/5

18:05-16:50

1 stop16h 45m

£716

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 £324). Flying from Southampton to Austin in July is currently the most expensive (average of £544). 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 18h 54m. The distance between Southampton and Austin is about 4881 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £324). Flying from Southampton to Austin in July is currently the most expensive (average of £544). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Austin

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Heathrow to Austin flights
Gatwick to Dallas/Fort Worth flights
Gatwick to Hobby flights
Heathrow to Love Field flights
London City to Dallas/Fort Worth flights
London City to Hobby flights
Gatwick to George Bush Intcntl flights
Stansted to Dallas/Fort Worth flights
London City to George Bush Intcntl flights
Stansted to Hobby flights
Manchester to Dallas/Fort Worth flights
Gatwick to Austin flights
Manchester to Hobby flights
London City to Austin flights
Manchester to George Bush Intcntl flights
Gatwick to Love Field flights
Stansted to Austin flights
Manchester to Austin flights
Manchester to Love Field flights
Newcastle upon Tyne to Dallas/Fort Worth flights
Luton to Dallas/Fort Worth flights
Edinburgh to Hobby flights
Edinburgh to George Bush Intcntl flights
Newcastle upon Tyne to Hobby flights
Edinburgh to Dallas/Fort Worth flights
Newcastle upon Tyne to George Bush Intcntl flights
Heathrow to San Antonio flights
Birmingham to Dallas/Fort Worth flights
Manchester to El Paso flights
Birmingham to Hobby flights
Birmingham to Austin flights
Gatwick to San Antonio flights
Birmingham to George Bush Intcntl flights
London City to Love Field flights
Edinburgh to Love Field flights
Birmingham to Love Field flights
Leeds to Dallas/Fort Worth flights
Manchester to San Antonio flights
Leeds to Hobby flights
Leeds to George Bush Intcntl flights
Gatwick to El Paso flights
London City to San Antonio flights
Heathrow to Midland flights
Newcastle upon Tyne to Austin flights
Edinburgh to Austin flights
Edinburgh to San Antonio flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.