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Cheap flights from Portsmouth to Houston from £691

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HOU
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Portsmouth to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

£691

One-way from

£691
KLM
  • KLM
  • 5/2-12/2
  • 4 total stops
  • 35h 42m total
  • Portsmouth to Houston
Search Deals
Aer Lingus
  • Aer Lingus
  • 19/2
  • 2 total stops
  • 34h 40m total
  • Portsmouth to Houston
Search Deals

Find flight deals from Portsmouth to Houston

Cheapest flights from Portsmouth to Houston
Explore the most affordable flight options available from Portsmouth to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.

Sun 29/1219:55SOU - IAH
2 stops30h 05mBritish Airways
Thu 9/115:55IAH - SOU
2 stops18h 05mBritish Airways
Deal found 21/12£839

Find flights from Portsmouth to Houston within your budget

Customise your flight search to find flights from Portsmouth to Houston 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 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Wed 5/2

09:00-22:29

2 stops19h 29m

Houston Hobby

Wed 12/2

18:37-16:50

2 stops16h 13m

£691

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

09:00-23:59

2 stops20h 59m

Houston George Bush Intcntl

Wed 26/2

15:25-16:50

1 stop19h 25m

£702

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Wed 19/2

09:00-22:29

2 stops19h 29m

Houston Hobby

Wed 26/2

14:57-16:50

2 stops19h 53m

£702

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

17:20-13:35

1 stop26h 15m

Houston George Bush Intcntl

Wed 26/2

15:25-16:50

1 stop19h 25m

£728

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Sun 12/1

19:55-14:10

2 stops24h 15m

Houston George Bush Intcntl

Sun 26/1

15:55-16:00

2 stops18h 05m

£880

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

09:30-14:10

2 stops34h 40m

£691

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Wed 19/2

09:00-22:29

2 stops19h 29m

£1,390

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

17:20-13:35

1 stop26h 15m

£1,428

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

17:20-13:35

1 stop26h 15m

£1,430

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 19/2

08:55-23:28

3 stops20h 33m

£1,471

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 11 results
1
2

Best time to book a flight from Portsmouth to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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.

Travel insights for flights from Portsmouth to Houston

Get recent, data-driven insights about flights from Portsmouth to Houston including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Houston (average of £765). Flying from Portsmouth to Houston in July is currently the most expensive (average of £1,114). 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 HOU?

Find hourly flight availability from Portsmouth to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.

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

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated 22 December 2024.
Get a feel of what it's like to fly with KLM and British Airways from Portsmouth to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,594 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.1
Good
1,075 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,815 reviews
Delta
8.0
Very Good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines to fly from Portsmouth to Houston one-way?

    The cheapet airlines for a one-way flight from Portsmouth to Houston are Aer Lingus (£691), Delta (£1,390), and KLM (£1,430).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Houston 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 Houston?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Houston (average of £765). Flying from Portsmouth to Houston in July is currently the most expensive (average of £1,114). 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 Houston

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 Houston

Discover the top 10 airlines that operate flights from Portsmouth to Houston. 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 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£376Average£573FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£421Average£752FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£450Average£603FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£493Average£873FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£513Average£682FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IberiaCheapest£523Average£851FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£525Average£634FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£531Average£813FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£538Average£691FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Virgin AtlanticCheapest£538Average£867FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

Deals for Portsmouth to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 Houston.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Houston flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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