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Cheap flights from Portsmouth to Texas from £530

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
25 Aug — 1 Sep1
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 26 July 2026.

Sat 5/909:15
SOU
-
AUS
1 stop12h 55m
KLM
Sat 12/918:05
AUS
-
SOU
1 stop16h 45m
KLM
Deal found 23/7£800
Sat 5/909:15
SOU
-
AUS
2 stops17h 38m
Delta
Sat 12/907:20
AUS
-
SOU
2 stops19h 25m
Delta
Deal found 23/7£804
Fri 25/906:45
SOU
-
AUS
2 stops19h 50m
British Airways
Mon 28/917:55
AUS
-
SOU
2 stops19h 30m
British Airways
Deal found 25/7£908
Fri 20/1120:00
SOU
-
IAH
2 stops31h 25m
Aer Lingus
Mon 30/1109:09
IAH
-
SOU
2 stops17h 31m
Aer Lingus
Deal found 22/7£923
Fri 20/1120:30
SOU
-
IAH
2 stops28h 35m
Multiple Airlines
Mon 30/1115:05
IAH
-
SOU
1 stop19h 55m
Multiple Airlines
Deal found 22/7£965
Wed 21/1019:55
SOU
-
AUS
2 stops25h 30m
British Airways
Wed 28/1019:55
AUS
-
SOU
2 stops19h 50m
British Airways
Deal found 24/7£1,010
Fri 20/1117:30
SOU
-
IAH
1 stop25h 35m
KLM
Mon 30/1115:05
IAH
-
SOU
1 stop19h 55m
KLM
Deal found 22/7£1,013
Thu 22/1015:00
SOU
-
AUS
2 stops30h 25m
British Airways
Sun 1/1118:55
AUS
-
SOU
2 stops18h 30m
British Airways
Deal found 26/7£1,024
Thu 27/819:55
SOU
-
AUS
2 stops25h 30m
British Airways
Fri 4/922:30
AUS
-
SOU
2 stops29h 15m
British Airways
Deal found 23/7£1,028
Thu 20/818:05
SOU
-
IAH
1 stop25h 15m
Delta
Wed 30/915:25
IAH
-
SOU
1 stop19h 25m
Delta
Deal found 25/7£1,130
Sat 7/1107:50
SOU
-
IAH
2 stops18h 05m
British Airways
Wed 11/1115:50
IAH
-
SOU
2 stops16h 55m
British Airways
Deal found 25/7£1,157
Thu 20/818:05
SOU
-
IAH
1 stop25h 15m
Delta
Sun 27/915:25
IAH
-
SOU
1 stop19h 25m
Delta
Deal found 25/7£1,160

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 26 July 2026.

Round-trip from

£800

One-way from

£530

Popular in

July

Cheapest in

February

Average price

£1,067
KLM
  • KLM
  • 5/9-12/9
  • 2 total stops
  • 29h 40m total
  • Portsmouth to Texas
Search Deals
British Airways
  • British Airways
  • 21/9
  • 2 total stops
  • 25h 30m total
  • Portsmouth to Texas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£118 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 26 July 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

Sat 5/9

09:15-20:53

2 stops17h 38m

Austin Bergstrom

Sat 12/9

07:20-08:45

2 stops19h 25m

£804

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Fri 25/9

06:45-20:35

2 stops19h 50m

Austin Bergstrom

Mon 28/9

17:55-19:25

2 stops19h 30m

£908

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Wed 21/10

19:55-15:25

2 stops25h 30m

Austin Bergstrom

Wed 28/10

19:55-20:45

2 stops19h 50m

£1,010

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Fri 20/11

17:30-13:05

1 stop25h 35m

Houston George Bush Intcntl

Mon 30/11

15:05-17:00

1 stop19h 55m

£1,013

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 22/10

15:00-15:25

2 stops30h 25m

Austin Bergstrom

Sun 1/11

18:55-19:25

2 stops18h 30m

£1,024

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 27/8

19:55-15:25

2 stops25h 30m

Austin Bergstrom

Fri 4/9

22:30-09:45

2 stops29h 15m

£1,028
Fastest return journey

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sat 7/11

07:50-19:55

2 stops18h 05m

Houston George Bush Intcntl

Wed 11/11

15:50-14:45

2 stops16h 55m

£1,157

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Tue 18/8

18:05-13:20

1 stop25h 15m

Houston George Bush Intcntl

Thu 24/9

15:25-16:50

1 stop19h 25m

£1,262

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 17/8

18:05-13:20

1 stop25h 15m

Houston George Bush Intcntl

Sat 26/9

15:25-08:45

1 stop11h 20m

£1,271

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Tue 18/8

09:15-13:20

1 stop34h 05m

Houston George Bush Intcntl

Sat 26/9

15:25-16:50

1 stop19h 25m

£1,271

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 35 resultsSorted by cheapest first
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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 26 July 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 26 July 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 17h 38m. There are 4881 mi between Portsmouth and Texas. This flight may include one or multiple stops.

  • What are the most popular routes from Portsmouth to Texas?

    While some choose either Southampton Eastleigh - Houston George Bush Intcntl or Southampton Eastleigh - Austin Bergstrom, Southampton Eastleigh - Houston Hobby is the most popular route from Portsmouth to Texas.

  • 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 (92%), Gulf Air (82%) 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 £1,957, our data indicates the cheapest price to be £454. The most popular route (Southampton Eastleigh - Houston Hobby), is priced around £965.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£40Average£107FlexibilityNo cancel feeOn-time62%
Search Frontier flights
WestJetCheapest£171Average£790FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£341Average£780FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£346Average£792FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£351Average£1,061FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£367Average£668FlexibilityNo cancel feeOn-time75%
Search KLM flights
Turkish AirlinesCheapest£397Average£771FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapest£464Average£623FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£469Average£880FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£472Average£716FlexibilityNo 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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