How long is the flight from Portsmouth to Austin?

There are many flights that can get you from Portsmouth to Austin in 17h 48m. Fly via Delta or British Airways 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 £461. On average you can expect to pay £1,499. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £698.

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: Finnair (76%), American Airlines (69%), British Airways( 69%).

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.

£698+ Cheap Flights from Portsmouth to Austin

Cheap flight deals from Portsmouth to Austin

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 21 September 2026.

Wed 4/1108:40 -

2 stops17h 48m

Wed 11/1113:52 -

2 stops21h 13m

Deal found 20/9£698

Wed 4/1117:35 -

1 stop28h 30m

Wed 11/1106:00 -

2 stops20h 10m

Deal found 20/9£724

Tue 27/1017:35 -

2 stops31h 53m

Thu 3/1211:40 -

2 stops23h 20m

Deal found 19/9£727

Wed 4/1109:20 -

3 stops44h 37m

Wed 11/1118:55 -

2 stops18h 35m

Deal found 20/9£752

Thu 29/1008:40 -

1 stop13h 25m

Thu 3/1210:59 -

2 stops15h 11m

Deal found 19/9£753

Tue 27/1017:35 -

2 stops31h 53m

Sat 5/1218:01 -

1 stop32h 09m

Deal found 19/9£757

Wed 28/1015:05 -

2 stops31h 40m

Wed 2/1218:55 -

2 stops14h 45m

Deal found 19/9£770

Wed 28/1015:05 -

2 stops31h 40m

Thu 3/1218:55 -

2 stops35h 10m

Deal found 19/9£778

Thu 29/1008:40 -

1 stop13h 25m

Sat 5/1208:15 -

2 stops18h 40m

Deal found 19/9£783

Sat 31/1009:25 -

2 stops43h 45m

Fri 4/1218:44 -

2 stops16h 16m

Deal found 19/9£787

Mon 26/1019:40 -

2 stops27h 05m

Mon 30/1118:55 -

2 stops18h 15m

Deal found 19/9£790

Mon 26/1019:40 -

2 stops27h 05m

Tue 1/1218:55 -

2 stops35h 10m

Deal found 19/9£798

Find flight deals from Portsmouth to Austin

Round-trip from	£698
Popular in	August
Cheapest in	February
Average price	£679

Delta
4/11-11/11
4 total stops
39h 01m total
Portsmouth to Austin

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£74 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Wed 4/11

08:40-20:28

2 stops17h 48m

Austin Bergstrom

Wed 11/11

13:52-17:05

2 stops21h 13m

£698

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Wed 4/11

09:20-23:57

3 stops44h 37m

Austin Bergstrom

Wed 11/11

18:55-19:30

2 stops18h 35m

£752

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Thu 29/10

08:40-17:05

1 stop13h 25m

Austin Bergstrom

Thu 3/12

10:59-08:10

2 stops15h 11m

£753

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Sat 31/10

17:20-17:44

2 stops29h 24m

Austin Bergstrom

Thu 3/12

08:20-08:10

2 stops17h 50m

£757

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Wed 28/10

15:05-17:45

2 stops31h 40m

Austin Bergstrom

Wed 2/12

18:55-15:40

2 stops14h 45m

£770

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Thu 29/10

08:40-17:05

1 stop13h 25m

Austin Bergstrom

Fri 4/12

18:44-17:00

2 stops16h 16m

£783

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Fri 5/2

12:35-16:45

2 stops34h 10m

Austin Bergstrom

Tue 9/2

18:55-12:05

2 stops35h 10m

£788

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Mon 26/10

19:40-17:45

2 stops27h 05m

Austin Bergstrom

Sat 5/12

18:55-12:05

2 stops35h 10m

£828

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Thu 29/10

08:40-09:47

2 stops30h 07m

Austin Bergstrom

Sun 29/11

10:59-08:10

2 stops15h 11m

£854

SouthamptonAustin

SOU Southampton Eastleigh - AUS Austin Bergstrom

SOUAUS

Southampton Eastleigh

Sun 27/9

20:50-20:35

2 stops29h 45m

Austin Bergstrom

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,049

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 12 resultsSorted by cheapest first

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.

SOU-AUS

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

P0R-AUS

SOU-AUS

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

When flying from Portsmouth to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portsmouth to Austin

The most flights from P0R to AUS are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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 17h 48m. Fly via Delta or British Airways 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: Finnair (76%), American Airlines (69%), British Airways( 69%).
What are the cheapest flights from Portsmouth to Austin?
The cheapest flight price from Portsmouth to Austin is £461. On average you can expect to pay £1,499. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £698.
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.

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Top 9 airlines flying from Portsmouth to Austin

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest£491	Average£736	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	Cheapest£508	Average£712	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£518	Average£754	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£537	Average£748	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£541	Average£758	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Virgin Atlantic	Cheapest£554	Average£723	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£601	Average£780	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
JetBlue	Cheapest£638	Average£831	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£724	Average£834	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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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.

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Cheap flights from Portsmouth to Austin from £698

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

Cheap 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 21 September 2026.

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 21 September 2026.

Best flights from Portsmouth to AustinDiscover 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 21 September 2026.

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 21 September 2026.

Last-minute flights from Portsmouth to AustinDiscover last-minute flight deals from Portsmouth to Austin. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Austin. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Portsmouth to AustinSearch for one-way flight options from Portsmouth to Austin. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Search for one-way flight options from Portsmouth to Austin. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from Portsmouth to Austin

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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

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 21 September 2026.

When flying from Portsmouth to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portsmouth to Austin

Explore weekly flight availability from Portsmouth to Austin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 September 2026.

The most flights from P0R to AUS are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

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?

Travelling to a place near Austin?

Browse thousands of different options on Cheapflights for your next trip

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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.

Other flights to Austin

Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

Complete your trip

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Direct flights to Texas

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Portsmouth and Austin flights

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Top 9 airlines flying from Portsmouth to Austin

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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 21 September 2026.

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 21 September 2026.

Last-minute flights from Portsmouth to Austin
Discover last-minute flight deals from Portsmouth to Austin. Data last updated 21 September 2026 and is based on user searches.

One-way flights from Portsmouth to Austin
Search for one-way flight options from Portsmouth to Austin. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.