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Cheap flights from Portsmouth to Texas from £421

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Texas

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Texas
Explore the most affordable flight options available from Portsmouth to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Fri 4/912:35
SOU
-
AUS
2 stops38h 00m
British Airways
Mon 7/922:30
AUS
-
SOU
2 stops27h 55m
British Airways
Deal found 8/6£784
Mon 6/709:15
SOU
-
AUS
1 stop12h 55m
KLM
Sun 12/718:06
AUS
-
SOU
2 stops41h 29m
KLM
Deal found 11/6£800
Mon 6/720:00
SOU
-
AUS
2 stops43h 22m
Multiple Airlines
Sun 12/710:12
AUS
-
SOU
2 stops16h 28m
Multiple Airlines
Deal found 11/6£807
Thu 3/906:45
SOU
-
AUS
2 stops19h 50m
British Airways
Tue 8/917:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 9/6£834
Thu 3/918:25
SOU
-
AUS
2 stops27h 00m
British Airways
Mon 7/917:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 9/6£879
Fri 18/919:30
SOU
-
IAH
2 stops29h 45m
British Airways
Tue 22/921:05
IAH
-
SOU
2 stops29h 20m
British Airways
Deal found 8/6£919
Tue 21/717:20
SOU
-
HOU
2 stops32h 37m
Multiple Airlines
Tue 28/718:49
HOU
-
SOU
2 stops42h 41m
Multiple Airlines
Deal found 8/6£1,159
Tue 21/709:15
SOU
-
HOU
2 stops18h 36m
Delta
Tue 28/712:55
HOU
-
SOU
2 stops13h 50m
Delta
Deal found 12/6£1,271

Find flight deals from Portsmouth to Texas

Keep the following information in mind while searching for Portsmouth to Texas flight deals. Data was last updated 13 June 2026.

Round-trip from

£784

One-way from

£421

Popular in

June

Cheapest in

September

Average price

£999
British Airways
  • British Airways
  • 4/9-7/9
  • 4 total stops
  • 65h 55m total
  • Portsmouth to Texas
Search Deals
12/9
  • 12/9
  • 3 total stops
  • 44h 40m total
  • Portsmouth to Texas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Texas 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 858,174 searches. Data last updated 13 June 2026.
Use the filters below to find and compare flights from Portsmouth to Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 4/9

12:35-20:35

2 stops38h 00m

Austin Bergstrom

Mon 7/9

22:30-08:25

2 stops27h 55m

£784

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Mon 6/7

09:15-16:10

1 stop12h 55m

Austin Bergstrom

Sun 12/7

18:06-17:35

2 stops41h 29m

£802

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Mon 6/7

20:00-09:22

2 stops43h 22m

Austin Bergstrom

Sun 12/7

10:12-08:40

2 stops16h 28m

£807

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 3/9

06:45-20:35

2 stops19h 50m

Austin Bergstrom

Tue 8/9

17:55-19:25

2 stops19h 30m

£834

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 3/9

18:25-15:25

2 stops27h 00m

Austin Bergstrom

Mon 7/9

17:55-19:25

2 stops19h 30m

£879

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Fri 18/9

19:30-19:15

2 stops29h 45m

Houston George Bush Intcntl

Tue 22/9

21:05-08:25

2 stops29h 20m

£919

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sat 19/9

12:35-13:25

2 stops30h 50m

Houston George Bush Intcntl

Wed 23/9

21:05-08:25

2 stops29h 20m

£919

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Tue 21/7

17:20-19:57

2 stops32h 37m

Houston Hobby

Tue 28/7

18:49-19:30

2 stops42h 41m

£1,159
Fastest return journey

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Tue 21/7

09:15-21:51

2 stops18h 36m

Houston Hobby

Tue 28/7

12:55-08:45

2 stops13h 50m

£1,271
Cheapest one-way

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sat 12/9

20:00-11:26

2 stops45h 26m

£551

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Portsmouth to Texas

Have a flexible travel schedule? Discover the best time to fly to Texas from Portsmouth with our price prediction graph.
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 Texas

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

Find hourly flight availability from Portsmouth to Texas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2026.

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

Weekly flight availability from Portsmouth to Texas

Explore weekly flight availability from Portsmouth to Texas. 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 13 June 2026.

The most flights from P0R to USTX are scheduled on a Monday (27 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (27 on average).

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Texas?

    Departing from Portsmouth to Texas will take you 18h 36m. There are 4813 mi between Portsmouth and Texas. This flight may include one or multiple stops.

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

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Texas consider choosing Malaysia Airlines (87%), Gulf Air (83%) or American Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Texas?

    Looking for the cheapest flight from Portsmouth to Texas? While on average our users pay £1,751, our data indicates the cheapest price to be £524. The most popular route (Southampton Eastleigh - Austin Bergstrom), is priced around £787.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Texas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Portsmouth to Texas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Texas

Discover the top 10 airlines that operate flights from Portsmouth to Texas. 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 858,174 searches. Data last updated 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£40Average£92FlexibilityNo cancel feeOn-time62%
Search Frontier flights
WestJetCheapest£170Average£786FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£339Average£759FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£344Average£826FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£349Average£1,011FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Turkish AirlinesCheapest£394Average£773FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
KLMCheapest£440Average£821FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£461Average£621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£470Average£828FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£470Average£699FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Portsmouth to Texas via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Texas.

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

Need flexible booking options for your flight to Texas from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Portsmouth to Texas and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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