How long is the flight from Portsmouth to Austin?

There are many flights that can get you from Portsmouth to Austin in 28h 40m. Fly via KLM, Virgin Atlantic, or Delta to get the fastest option. The distance from Portsmouth to Austin is about 4881 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Austin ranges from 53.0 - 107.0 inches per month. May is typically the wettest month, when rainfall can reach 107.0 mm. July is typically the driest time to visit Austin when rainfall is around 53.0 mm.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

What are the cheapest flights from Portsmouth to Austin?

The cheapest flight price from Portsmouth to Austin is £384. On average you can expect to pay £941. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £730.

What are the most reliable airlines from Portsmouth to Austin?

Before booking your flight to Austin from Portsmouth, check out the most reliable airlines to get you to your destination on time: Aer Lingus (67%), Finnair (67%), Iberia( 67%).

What airport do you fly into for flights to Austin from Portsmouth?

For a flight from Portsmouth to Austin, you will be flying into Austin Bergstrom. Austin Bergstrom (AUS) is just 7.5 mi from the center of the city. Austin Bergstrom is the only Austin airport and it handles 0 inbound flights from Portsmouth per day. 9 airlines have flights to Austin Bergstrom from Portsmouth on a regular basis.

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

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

How can I find direct flights from Portsmouth to Austin?

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

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

Yes. Cheapflights offers flight deals from Portsmouth 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.

£730+ Cheap Flights from Portsmouth to Austin

Find flight deals from Portsmouth to Austin

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Austin
Explore the most affordable flight options available from Portsmouth to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Fri 5/1208:40SOU - AUS

2 stops21h 48mMultiple Airlines

Fri 12/1214:27AUS - SOU

2 stops20h 33mMultiple Airlines

Deal found 21/10£730

Fri 5/1217:30SOU - AUS

1 stop28h 40mKLM

Fri 12/1211:36AUS - SOU

2 stops15h 14mKLM

Deal found 21/10£770

Best flights from Portsmouth to Austin
Discover carefully curated flight deals from Portsmouth to Austin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2025.

Fri 5/1208:40SOU - AUS

2 stops21h 48mMultiple Airlines

Fri 12/1214:27AUS - SOU

2 stops20h 33mMultiple Airlines

Deal found 21/10£730

Fri 5/1217:30SOU - AUS

1 stop28h 40mKLM

Fri 12/1211:36AUS - SOU

2 stops15h 14mKLM

Deal found 21/10£770

Fri 27/317:30SOU - AUS

2 stops34h 08mVirgin Atlantic

Tue 31/309:15AUS - SOU

2 stops17h 35mVirgin Atlantic

Deal found 21/10£894

Fri 27/317:30SOU - AUS

2 stops33h 46mDelta

Tue 31/318:15AUS - SOU

2 stops16h 45mDelta

Deal found 19/10£897

Fri 27/317:30SOU - AUS

1 stop28h 40mKLM

Tue 31/318:15AUS - SOU

2 stops16h 45mKLM

Deal found 21/10£929

Cheap flight deals from Portsmouth to Austin

Round-trip from	£730
Popular in	July
Cheapest in	February
Average price	£625

5/12-12/12
4 total stops
42h 21m total
Portsmouth to Austin

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 5/12

08:40-00:28

2 stops21h 48m

Austin Bergstrom

Fri 12/12

14:27-17:00

2 stops20h 33m

£730

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 5/12

17:30-16:10

1 stop28h 40m

Austin Bergstrom

Fri 12/12

11:36-08:50

2 stops15h 14m

£770

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 27/3

17:30-22:38

2 stops34h 08m

Austin Bergstrom

Tue 31/3

09:15-08:50

2 stops17h 35m

£894

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 27/3

17:30-22:16

2 stops33h 46m

Austin Bergstrom

Tue 31/3

18:15-17:00

2 stops16h 45m

£897

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 27/3

17:30-17:10

1 stop28h 40m

Austin Bergstrom

Tue 31/3

18:15-17:00

2 stops16h 45m

£929

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Best time to book a flight from Portsmouth to Austin

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

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

Currently, April is the cheapest month in which you can book a flight from Portsmouth to Austin (average of £440). Flying from Portsmouth to Austin in July is currently the most expensive (average of £547). 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.

What is the cheapest time of day to fly from P0R to AUS?

One of the essential ways to save on airfare from Portsmouth to Austin is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 41% on airfare.

Related info for your journey

What airport do you fly into for flights to Austin from Portsmouth?
For a flight from Portsmouth to Austin, you will be flying into Austin Bergstrom. Austin Bergstrom (AUS) is just 7.5 mi from the center of the city. Austin Bergstrom is the only Austin airport and it handles 0 inbound flights from Portsmouth per day. 9 airlines have flights to Austin Bergstrom from Portsmouth on a regular basis.
How long is the flight from Portsmouth to Austin?
There are many flights that can get you from Portsmouth to Austin in 28h 40m. Fly via KLM, Virgin Atlantic, or Delta to get the fastest option. The distance from Portsmouth to Austin is about 4881 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Portsmouth to Austin?
Before booking your flight to Austin from Portsmouth, check out the most reliable airlines to get you to your destination on time: Aer Lingus (67%), Finnair (67%), Iberia( 67%).
What are the cheapest flights from Portsmouth to Austin?
The cheapest flight price from Portsmouth to Austin is £384. On average you can expect to pay £941. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £730.
Can I find deals for flights from Portsmouth to Austin that include hotel bookings?
Yes. In addition to deals on Portsmouth to Austin flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Austin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Austin.
Can I find deals for business class flights from Portsmouth to Austin?
Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Austin?
Currently, April is the cheapest month in which you can book a flight from Portsmouth to Austin (average of £440). Flying from Portsmouth to Austin in July is currently the most expensive (average of £547). 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.

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Top 9 airlines flying from Portsmouth to Austin

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£437	Average£614	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£438	Average£574	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£446	Average£568	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£451	Average£528	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£452	Average£593	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
United Airlines	Cheapest£461	Average£620	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£466	Average£607	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£492	Average£660	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	Cheapest£497	Average£677	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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How does Cheapflights help users find flights from Portsmouth to Austin?

Deals for Portsmouth to Austin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Austin from Portsmouth 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 Portsmouth to Austin with no change fees?

Need flexible booking options for your flight to Austin from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Portsmouth to Austin from £730

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Portsmouth to Austin

Cheapest flights from Portsmouth to AustinExplore the most affordable flight options available from Portsmouth to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Explore the most affordable flight options available from Portsmouth to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Cheap flight deals from Portsmouth to Austin

Keep the following information in mind while searching for Portsmouth to Austin flight deals. Data was last updated 22 October 2025.

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Austin that are best for you.

Best time to book a flight from Portsmouth to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Portsmouth with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest time of day to fly from P0R to AUS?

Find hourly flight availability from Portsmouth to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.

Related info for your journey

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

What airport do you fly into for flights to Austin from Portsmouth?

How long is the flight from Portsmouth to Austin?

What are the most reliable airlines from Portsmouth to Austin?

What are the cheapest flights from Portsmouth to Austin?

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

How can I find direct flights from Portsmouth to Austin?

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

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

Travelling to a place near Austin?

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Alternative routes for Portsmouth to Austin

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Portsmouth to Austin

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How does Cheapflights help users find flights from Portsmouth to Austin?

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

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

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

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Cheapest flights from Portsmouth to Austin
Explore the most affordable flight options available from Portsmouth to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.