Question 1

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Austin (average of £636). Flying from Portsmouth to Austin in July is currently the most expensive (average of £901). 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.

Question 2

What is the cheapest day to fly from Portsmouth to Austin?

Accepted Answer

Travellers seeking maximum savings on their Portsmouth to Austin flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

Weekly flight availability from Portsmouth to Austin

Accepted Answer

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

Question 4

E

Accepted Answer

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.

Question 5

E

Accepted Answer

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).

Question 6

What are the cheapest flights from Portsmouth to Austin?

Accepted Answer

The cheapest flight price from Portsmouth to Austin is £338. On average you can expect to pay £823. The most popular route, (Southampton Eastleigh - Austin Bergstrom), can usually be booked for £654.

Question 7

What are the most reliable airlines from Portsmouth to Austin?

Accepted Answer

Before booking your flight to Austin from Portsmouth, check out the most reliable airlines to get you to your destination on time: Aer Lingus (66%), Finnair (66%), Iberia( 66%).

Question 8

What are the most popular airlines that fly from Portsmouth to Austin?

Accepted Answer

Consider American Airlines, Air Canada or Finnair when booking your flight. These represent the most popular airlines when flying from Portsmouth to Austin.

Question 9

How far in advance should I book a flight from Portsmouth to Austin?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 21% on flights from Portsmouth to Austin compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £550. For sooner than that we have options available in the next 3 days from £631.

Question 10

What is the cheapest month to fly from Portsmouth to Austin?

Accepted Answer

February is one of the best times of the year to fly to Austin from Portsmouth. Prices for February average £594 per person but you can even find prices for as low as £403. The most expensive prices can be found in the month of August. Opting for a February flight can save you 35% on your journey compared to booking in August

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from Portsmouth to Austin?

Accepted Answer

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

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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!

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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!

Round-trip from	£764
Popular in	August
Cheapest in	February
Average price	£731

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£339	Average£526	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£398	Average£561	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£411	Average£590	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£428	Average£566	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£429	Average£602	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest£440	Average£652	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
KLM	Cheapest£444	Average£518	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£453	Average£629	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£462	Average£577	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£484	Average£646	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Cheap flights from Portsmouth to Austin from £764

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.

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 4 July 2025.

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Popular in

Cheapest in

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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 4 July 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 4 July 2025.

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 4 July 2025.

What is the cheapest day to fly from Portsmouth to Austin?

Use this chart to determine the cheapest time to fly return from Portsmouth to Austin. Price data was last updated on 16 December 2024.

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 4 July 2025.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated 4 July 2025.

Read through reviews of airlines operating flights from Portsmouth to Austin, such as KLM and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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?

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Alternative routes for Portsmouth to Austin

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Top 10 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 4 July 2025.