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Cheap flights from Portsmouth to Texas from £341

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Portsmouth to Texas

Keep the following information in mind while searching for Portsmouth to Texas flight deals. Data was last updated 16 September 2025.

Round-trip from

£635

One-way from

£341

Popular in

August

Cheapest in

February

Average price

£678
Virgin Atlantic
  • Virgin Atlantic
  • 5/3-9/3
  • 4 total stops
  • 39h 35m total
  • Portsmouth to Texas
Search Deals
2/10
  • 2/10
  • 2 total stops
  • 32h 43m total
  • Portsmouth to Texas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£71 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 September 2025
Search Deals

Find flight deals from Portsmouth to Texas

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 16 September 2025.

Wed 1/1009:20SOU - IAH
1 stop33h 55mKLM
Thu 23/1015:30IAH - SOU
1 stop19h 30mKLM
Deal found 14/9£715
Wed 1/1017:35SOU - IAH
1 stop25h 40mDelta
Thu 23/1012:55IAH - SOU
2 stops22h 05mDelta
Deal found 14/9£716
Thu 2/1017:35SOU - IAH
1 stop25h 40mKLM
Thu 23/1009:42IAH - SOU
2 stops17h 03mKLM
Deal found 14/9£718
Wed 1/1009:20SOU - HOU
2 stops19h 17mDelta
Thu 23/1006:00HOU - SOU
2 stops20h 45mDelta
Deal found 14/9£720
Thu 2/1009:20SOU - HOU
2 stops19h 17mKLM
Thu 23/1010:13HOU - SOU
2 stops16h 32mKLM
Deal found 14/9£726
Mon 29/917:35SOU - IAH
1 stop25h 40mDelta
Wed 22/1015:30IAH - SOU
1 stop19h 30mDelta
Deal found 14/9£745
Mon 29/917:35SOU - IAH
1 stop25h 40mDelta
Thu 23/1013:29IAH - SOU
2 stops21h 31mDelta
Deal found 14/9£745
Wed 1/1017:35SOU - IAH
1 stop25h 40mKLM
Sat 25/1015:30IAH - SOU
1 stop12h 20mKLM
Deal found 14/9£748
Thu 2/1017:35SOU - IAH
1 stop25h 40mDelta
Fri 24/1010:50IAH - SOU
2 stops15h 55mDelta
Deal found 14/9£748
Tue 30/909:20SOU - IAH
2 stops16h 46mDelta
Wed 22/1011:49IAH - SOU
2 stops14h 56mDelta
Deal found 14/9£750
Wed 1/1009:20SOU - IAH
1 stop33h 55mKLM
Fri 24/1010:50IAH - SOU
2 stops15h 55mKLM
Deal found 14/9£751
Thu 2/1009:20SOU - HOU
2 stops19h 17mDelta
Fri 24/1006:00HOU - SOU
2 stops20h 45mDelta
Deal found 14/9£753

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 16 September 2025.
Use the filters below to find and compare flights from Portsmouth to Texas that are best for you.

Fly from

Portsmouth

Fly to

Texas

Route

Depart

Return

Price

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 5/3

08:50-21:06

2 stops18h 16m

Austin Bergstrom

Mon 9/3

19:05-08:10

1 stop32h 05m

£635

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 1/10

09:20-13:15

1 stop33h 55m

Houston George Bush Intcntl

Thu 23/10

15:30-17:00

1 stop19h 30m

£715

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 1/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

12:55-17:00

2 stops22h 05m

£716

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Thu 2/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

09:42-08:45

2 stops17h 03m

£718

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Wed 1/10

09:20-22:37

2 stops19h 17m

Houston Hobby

Thu 23/10

06:00-08:45

2 stops20h 45m

£720

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Thu 2/10

09:20-22:37

2 stops19h 17m

Houston Hobby

Thu 23/10

10:13-08:45

2 stops16h 32m

£726

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 5/3

08:50-21:59

2 stops19h 09m

Austin Bergstrom

Mon 9/3

19:05-17:00

1 stop16h 55m

£742

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Thu 2/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Wed 22/10

15:30-17:00

1 stop19h 30m

£745

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 29/9

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Wed 22/10

15:30-17:00

1 stop19h 30m

£745

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 29/9

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

15:30-17:00

1 stop19h 30m

£745

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 44 results
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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 month to book a flight from Portsmouth to Texas?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Texas (average of £737). Flying from Portsmouth to Texas in July is currently the most expensive (average of £1,076). 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 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 16 September 2025.

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 16 September 2025.

The most flights from P0R to USTX are scheduled on a Monday (28 on average). You will have fewer flight options on Saturday, 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 16m. 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%), American Airlines (73%) or Iberia (73%) 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 £1,706, our data indicates the cheapest price to be £511. The most popular route (Southampton Eastleigh - Houston Hobby), is priced around £748.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Texas (average of £737). Flying from Portsmouth to Texas in July is currently the most expensive (average of £1,076). 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 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£202Average£529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£284Average£622FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£313Average£694FlexibilityNo cancel feeOn-time75%
Search KLM flights
WestJetCheapest£378Average£549FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£378Average£724FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Turkish AirlinesCheapest£389Average£751FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£426Average£700FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£431Average£608FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£439Average£630FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£444Average£751FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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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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