Cheap flights from Portsmouth to Houston from £798
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to Houston
Keep the following information in mind while searching for Portsmouth to Houston flight deals. Data was last updated 11 July 2025.
Round-trip from | £798 |
---|---|
Popular in | August |
Cheapest in | January |
Average price | £874 |
Find flight deals from Portsmouth to Houston
Cheapest flights from Portsmouth to HoustonExplore 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 11 July 2025.
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 11 July 2025.
Cheapflights Fare Finder
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 11 July 2025.
Use the filters below to find and compare flights from Portsmouth to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonHouston
SOU - IAH
SOUIAH
Southampton Eastleigh
Tue 4/11
18:05-13:30
1 stop25h 25m
Houston George Bush Intcntl
Mon 10/11
15:30-17:25
1 stop19h 55m
SouthamptonHouston
SOU - HOU
SOUHOU
Southampton Eastleigh
Wed 24/9
09:20-22:24
2 stops19h 04m
Houston Hobby
Sun 28/9
15:40-17:00
2 stops19h 20m
SouthamptonHouston
SOU - IAH
SOUIAH
Southampton Eastleigh
Wed 24/9
09:20-20:02
2 stops16h 42m
Houston George Bush Intcntl
Sun 28/9
15:30-17:00
1 stop19h 30m
SouthamptonHouston
SOU - HOU
SOUHOU
Southampton Eastleigh
Mon 25/8
17:35-17:39
2 stops54h 04m
Houston Hobby
Mon 1/9
18:34-08:45
2 stops32h 11m
SouthamptonHouston
SOU - IAH
SOUIAH
Southampton Eastleigh
Sun 21/9
09:20-13:15
1 stop33h 55m
SouthamptonHouston
SOU - HOU
SOUHOU
Southampton Eastleigh
Sun 21/9
18:25-22:37
2 stops34h 12m
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.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to Houston
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 11 July 2025.
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.
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 11 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Portsmouth to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
Michael,Jul 2025
AMS - ATL
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.
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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.
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 11 July 2025.
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 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!