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Portsmouth

$518+ Cheap flights from Austin (AUS) to Portsmouth, England

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Austin to Portsmouth

Keep the following information in mind while searching for Austin to Portsmouth flight deals. Data was last updated June 12, 2025.

Round-trip from

$862
(KLM)

One-way from

$518
(Delta)

Popular in

June

Cheapest in

April

Average price

$1,277
From Austin Bergstrom to Portsmouth
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One-way flight from Austin Bergstrom to Portsmouth
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Highest demand for flights based on searches. 20% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Austin to Portsmouth

Cheapest flights from Austin to Portsmouth
Explore the most affordable flight options available from Austin to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:45 pmAUS - SOU
2 stops20h 15mKLM
Wed 10/85:35 pmSOU - AUS
1 stop28h 25mKLM
Deal found 6/10$862
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:40 pmAUS - SOU
2 stops21h 20mDelta
Wed 10/89:20 amSOU - AUS
2 stops21h 07mDelta
Deal found 6/10$1,022
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/101:18 pmAUS - SOU
3 stops20h 22mMultiple Airlines
Thu 7/178:00 pmSOU - AUS
3 stops29h 27mMultiple Airlines
Deal found 6/10$1,329

Cheapflights Fare Finder

Customize your flight search to find flights from Austin to Portsmouth 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Austin to Portsmouth that are best for you.

Fly from

Austin

Fly to

Portsmouth

Route

Depart

Return

Price

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

Wed 9/24

2:45 pm-5:00 pm

2 stops20h 15m

Southampton Eastleigh

Wed 10/8

5:35 pm-4:00 pm

1 stop28h 25m

$862

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

Thu 9/25

1:40 pm-5:00 pm

2 stops21h 20m

Southampton Eastleigh

Wed 10/8

9:20 am-12:27 am

2 stops21h 07m

$1,022

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

Thu 7/10

1:18 pm-3:40 pm

3 stops20h 22m

Southampton Eastleigh

Thu 7/17

8:00 pm-7:27 pm

3 stops29h 27m

$1,329

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

Mon 10/6

6:00 pm-5:00 pm

1 stop17h 00m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Austin to Portsmouth

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

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

Currently, November is the cheapest month in which you can book a flight from Austin to Portsmouth (average of $661). Flying from Austin to Portsmouth in June is currently the most expensive (average of $1,108). 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 AUS to P0R?

Find hourly flight availability from Austin to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Austin to Portsmouth as you normally would.

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

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

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

Weekly flight availability from Austin to Portsmouth

Explore weekly flight availability from Austin to Portsmouth. 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 June 12, 2025.

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

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Austin to Portsmouth. 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 from for flights from Austin to Portsmouth?

    Most people fly from Austin Bergstrom (AUS) if they book a flight from Austin to Portsmouth. On average, Austin Bergstrom has 0 outbound flights to Portsmouth per day from 11 airlines. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.

  • What are the most reliable airlines from Austin to Portsmouth?

    Consider American Airlines (54%), British Airways (54%) or Aer Lingus (50%) when booking your flight. These represent the most reliable airlines when flying from Austin to Portsmouth.

  • What are the cheapest flights from Austin to Portsmouth?

    On average you can expect to pay $1,964 for a flight from Austin to Portsmouth. The cheapest flight overall is $391 while the most popular route, (Austin Bergstrom - Southampton Eastleigh) is currently priced at $862.

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

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

  • How can I find direct flights from Austin to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Austin to Portsmouth 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 Austin to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Austin to Portsmouth (average of $661). Flying from Austin to Portsmouth in June is currently the most expensive (average of $1,108). 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 10 airlines flying from Austin to Portsmouth

Discover the top 10 airlines that operate flights from Austin to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$475Average$694FlexibilityNo cancel feeOn-time75%
IberiaCheapest$583Average$773FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$597Average$832FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$606Average$704FlexibilityNo cancel feeOn-time67%
FinnairCheapest$606Average$736FlexibilityNo cancel feeOn-time76%
DeltaCheapest$616Average$834FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$621Average$929FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$632Average$906FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$667Average$950FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$725Average$1,089FlexibilityNo cancel feeOn-time62%

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