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Portsmouth

$523+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LHR
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 septiembre 16, 2025.

Round-trip from

$835
(KLM)

One-way from

$523
(Delta)

Popular in

June

Cheapest in

April

Average price

$689
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. 21% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 16, 2025.

This KLM deal was found by Cheapflights users on 9/14. 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.
mié. 10/296:27 pmAUS - SOU
2 stops17h 58mKLM
mié. 11/55:30 pmSOU - AUS
1 stop28h 40mKLM
Deal found 9/14$835
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 11/197:20 amAUS - SOU
2 stops19h 00mDelta
lun. 12/16:05 pmSOU - AUS
2 stops36h 30mDelta
Deal found 9/15$891
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 11/197:20 amAUS - SOU
2 stops19h 00mDelta
vie. 11/288:40 amSOU - AUS
2 stops20h 19mDelta
Deal found 9/15$920
This KLM deal was found by Cheapflights users on 9/15. 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.
jue. 10/307:05 pmAUS - SOU
1 stop32h 45mKLM
jue. 11/68:50 amSOU - AUS
1 stop13h 20mKLM
Deal found 9/15$922
This Delta deal was found by Cheapflights users on 9/15. 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.
jue. 10/305:30 amAUS - SOU
2 stops21h 35mDelta
jue. 11/68:50 amSOU - AUS
1 stop13h 20mDelta
Deal found 9/15$925
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 11/195:30 amAUS - SOU
2 stops20h 50mDelta
dom. 11/306:05 pmSOU - AUS
1 stop28h 05mDelta
Deal found 9/15$1,120
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:00 amAUS - SOU
2 stops21h 45mMultiple Airlines
mié. 11/52:25 pmSOU - AUS
3 stops32h 25mMultiple Airlines
Deal found 9/14$1,424
This Mytrip deal was found by Cheapflights users on 9/15. 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.
jue. 10/3012:12 pmAUS - SOU
3 stops26h 28mMultiple Airlines
jue. 11/62:45 pmSOU - AUS
3 stops32h 05mMultiple Airlines
Deal found 9/15$1,510

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 septiembre 16, 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

mié. 11/19

5:30 am-8:20 am

2 stops20h 50m

Southampton Eastleigh

jue. 11/27

8:50 am-4:10 pm

1 stop13h 20m

$835

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

mié. 10/29

6:27 pm-5:25 pm

2 stops17h 58m

Southampton Eastleigh

mié. 11/5

8:40 am-12:22 am

2 stops21h 42m

$845

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

mié. 11/19

7:20 am-8:20 am

2 stops19h 00m

Southampton Eastleigh

vie. 11/28

8:40 am-10:59 pm

2 stops20h 19m

$920

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

jue. 10/30

7:05 pm-8:50 am

1 stop32h 45m

Southampton Eastleigh

jue. 11/6

8:50 am-4:10 pm

1 stop13h 20m

$922

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

jue. 10/30

5:30 am-8:05 am

2 stops21h 35m

Southampton Eastleigh

jue. 11/6

8:50 am-4:10 pm

1 stop13h 20m

$925

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

mié. 11/19

5:30 am-8:20 am

2 stops20h 50m

Southampton Eastleigh

dom. 11/30

6:05 pm-4:10 pm

1 stop28h 05m

$1,120

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

mié. 11/19

7:20 am-8:20 am

2 stops19h 00m

Southampton Eastleigh

lun. 12/1

8:40 am-4:10 pm

1 stop13h 30m

$1,120

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

mié. 10/29

6:00 am-8:45 am

2 stops21h 45m

Southampton Eastleigh

mié. 11/5

2:25 pm-4:50 pm

3 stops32h 25m

$1,424

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

jue. 10/30

1:05 pm-7:40 pm

2 stops25h 35m

Southampton Eastleigh

jue. 11/6

2:45 pm-4:50 pm

3 stops32h 05m

$1,552

AustinSouthampton

AUS - SOU

AUSSOU

Austin Bergstrom

dom. 9/21

6:40 am-8:45 am

2 stops20h 05m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 results
1
2

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 $1,097). 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 septiembre 16, 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 septiembre 16, 2025.

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

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 8 airlines. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.

  • How long is the flight from Austin to Portsmouth?

    For as low as $845, Delta can have you in Portsmouth from Austin in 17h 58m. Airlines will cover a distance of 4881 mi. This flight may include one or multiple stops.

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

    Consider American Airlines (71%), British Airways (71%) or Aer Lingus (67%) 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 $1,214 for a flight from Austin to Portsmouth. The cheapest flight overall is $414 while the most popular route, (Austin Bergstrom - Southampton Eastleigh) is currently priced at $835.

  • 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 $1,097). 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.

See more FAQs

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Alternative routes for Austin to Portsmouth

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Top 8 airlines flying from Austin to Portsmouth

Discover the top 8 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$880FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$545Average$803FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$569Average$920FlexibilityNo cancel feeOn-time69%
IberiaCheapest$582Average$783FlexibilityNo cancel feeOn-time77%
FinnairCheapest$606Average$736FlexibilityNo cancel feeOn-time76%
DeltaCheapest$616Average$817FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$621Average$772FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$735Average$1,038FlexibilityNo cancel feeOn-time76%

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