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Cheap flights from Portsmouth to Texas from £621

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

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 11 November 2025.

Round-trip from

£715

One-way from

£621

Popular in

August

Cheapest in

February

Average price

£724
Delta
  • Delta
  • 14/12-25/12
  • 3 total stops
  • 48h 50m total
  • Portsmouth to Texas
Search Deals
British Airways
  • British Airways
  • 12/3
  • 2 total stops
  • 26h 00m total
  • Portsmouth to Texas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 11 November 2025.

Sun 14/1218:05SOU - AUS
1 stop28h 05mDelta
Thu 25/1205:20AUS - SOU
2 stops20h 45mDelta
Deal found 10/11£715
Tue 16/1208:40SOU - AUS
2 stops19h 29mDelta
Thu 25/1205:20AUS - SOU
2 stops20h 45mDelta
Deal found 10/11£754
Mon 15/1208:40SOU - AUS
1 stop13h 30mDelta
Thu 25/1205:20AUS - SOU
2 stops20h 45mDelta
Deal found 10/11£831
Tue 16/1208:40SOU - AUS
2 stops19h 29mDelta
Sat 27/1205:20AUS - SOU
2 stops21h 30mDelta
Deal found 10/11£846
Tue 23/1217:30SOU - AUS
2 stops30h 13mKLM
Tue 30/1210:55AUS - SOU
2 stops15h 15mKLM
Deal found 8/11£876
Sun 14/1209:30SOU - AUS
2 stops18h 18mDelta
Sat 27/1205:20AUS - SOU
2 stops21h 30mDelta
Deal found 10/11£876
Mon 15/1208:40SOU - AUS
1 stop13h 30mDelta
Sat 27/1205:20AUS - SOU
2 stops21h 30mDelta
Deal found 10/11£923
Sat 20/1215:20SOU - IAH
3 stops38h 39mMultiple Airlines
Mon 5/115:09IAH - SOU
3 stops17h 41mMultiple Airlines
Deal found 10/11£1,168
Tue 23/1208:40SOU - AUS
3 stops31h 07mMultiple Airlines
Tue 30/1213:05AUS - SOU
2 stops16h 50mMultiple Airlines
Deal found 8/11£1,169
Sat 20/1209:30SOU - IAH
2 stops40h 30mAer Lingus
Mon 5/115:50IAH - SOU
2 stops38h 05mAer Lingus
Deal found 10/11£1,199
Wed 24/1208:40SOU - HOU
2 stops35h 58mDelta
Wed 31/1206:00HOU - SOU
2 stops20h 20mDelta
Deal found 9/11£1,224
Sat 20/1217:30SOU - IAH
1 stop26h 00mKLM
Mon 5/116:25IAH - SOU
2 stops34h 25mKLM
Deal found 10/11£1,349

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 11 November 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

Sun 14/12

18:05-16:10

1 stop28h 05m

Austin Bergstrom

Thu 25/12

05:20-08:05

2 stops20h 45m

£715

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Mon 15/12

18:05-17:27

2 stops29h 22m

Austin Bergstrom

Thu 25/12

05:20-08:05

2 stops20h 45m

£719

SouthamptonAustin

SOU - AUS

SOUAUS

Southampton Eastleigh

Thu 5/3

08:50-16:10

1 stop13h 20m

Austin Bergstrom

Mon 9/3

19:05-17:00

1 stop16h 55m

£724

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 6/5

09:20-22:49

2 stops19h 29m

Houston George Bush Intcntl

Tue 26/5

10:45-08:50

2 stops16h 05m

£1,020

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Thu 7/5

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Tue 26/5

06:30-08:50

2 stops20h 20m

£1,046

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Fri 8/5

09:20-22:49

2 stops19h 29m

Houston George Bush Intcntl

Tue 26/5

10:45-08:50

2 stops16h 05m

£1,050

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Fri 8/5

09:20-21:59

2 stops18h 39m

Houston George Bush Intcntl

Fri 22/5

10:45-17:00

2 stops24h 15m

£1,065

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sat 20/12

15:20-23:59

3 stops38h 39m

Houston George Bush Intcntl

Mon 5/1

15:09-14:50

3 stops17h 41m

£1,168

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Fri 8/5

09:20-13:15

1 stop33h 55m

Houston George Bush Intcntl

Sat 23/5

15:30-17:00

1 stop19h 30m

£1,170

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sat 20/12

09:30-20:00

2 stops40h 30m

Houston George Bush Intcntl

Mon 5/1

15:50-11:55

2 stops38h 05m

£1,199

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 16 results
1
2

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, May is the cheapest month in which you can book a flight from Portsmouth to Texas (average of £133). Flying from Portsmouth to Texas in June is currently the most expensive (average of £505). 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 11 November 2025.

When flying from Portsmouth to Texas, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 9% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Texas. Price data was last updated on 16 December 2024.

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

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 11 November 2025.

The most flights from P0R to USTX are scheduled on a Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (23 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 13h 20m. 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 (97%), Royal Jordanian (80%) or Gulf Air (78%) 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 £1,861, our data indicates the cheapest price to be £445. The most popular route (Southampton Eastleigh - Houston Hobby), is priced around £976.

  • 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, May is the cheapest month in which you can book a flight from Portsmouth to Texas (average of £133). Flying from Portsmouth to Texas in June is currently the most expensive (average of £505). 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£293Average£636FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£323Average£707FlexibilityNo cancel feeOn-time75%
Search KLM flights
WestJetCheapest£390Average£570FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£390Average£746FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Turkish AirlinesCheapest£402Average£755FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£440Average£727FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£445Average£628FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£451Average£665FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£454Average£663FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£469Average£744FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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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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