Cheap flights from Portsmouth to Austin

LHR — AUS
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Austin

Popular in

August

Cheapest in

February

Average price

£719
Highest demand for flights based on searches. 10% potential increase in price (£65 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Insights

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

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.

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. 10 airlines have flights to Austin Bergstrom from Portsmouth on a regular basis.

  • 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: American Airlines (58%), British Airways (58%), Finnair( 53%).

  • What are the cheapest flights from Portsmouth to Austin?

    The cheapest flight price from Portsmouth to Austin is £587. On average you can expect to pay £1,530. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £978.

  • 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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Alternative routes for Portsmouth to Austin

Top 10 airlines flying from Portsmouth to Austin

AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£494Average£741FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£518Average£649FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£530Average£762FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£566Average£777FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£584Average£735FlexibilityNo cancel feeOn-time76%
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IberiaCheapest£598Average£786FlexibilityNo cancel feeOn-time77%
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United AirlinesCheapest£603Average£749FlexibilityNo cancel feeOn-time69%
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Virgin AtlanticCheapest£604Average£766FlexibilityNo cancel feeOn-time72%
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JetBlueCheapest£612Average£826FlexibilityNo cancel feeOn-time62%
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Aer LingusCheapest£720Average£817FlexibilityNo cancel feeOn-timeN/A
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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.

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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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