Cheap flights from Portsmouth to Houston George Bush Intcntl Airport from £805
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to George Bush Intcntl
Keep the following information in mind while searching for Portsmouth to George Bush Intcntl flight deals. Data was last updated 22 August 2025.
Find flight deals from Portsmouth to George Bush Intcntl
Cheapest flights from Portsmouth to George Bush IntcntlExplore the most affordable flight options available from Portsmouth to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.
Explore the most affordable flight options available from Portsmouth to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Portsmouth to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonHouston
SOU - IAH
SOUIAH
Southampton Eastleigh
Wed 24/9
09:20-23:50
2 stops20h 30m
Houston George Bush Intcntl
Sun 28/9
12:39-17:00
2 stops22h 21m
SouthamptonHouston
SOU - IAH
SOUIAH
Southampton Eastleigh
Wed 24/9
09:20-23:50
2 stops20h 30m
Houston George Bush Intcntl
Sun 28/9
18:29-08:45
2 stops32h 16m
Best time to book a flight from Portsmouth to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to Houston George Bush Intcntl Airport
What is the cheapest month to book a flight from Portsmouth to Houston George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Portsmouth to Houston George Bush Intcntl Airport (average of £680). Flying from Portsmouth to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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 IAH?
Find hourly flight availability from Portsmouth to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.
When flying from Portsmouth to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Portsmouth to Houston George Bush Intcntl Airport
Explore weekly flight availability from Portsmouth to George Bush Intcntl. 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 22 August 2025.
The most flights from P0R to IAH are scheduled on a Thursday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Houston George Bush Intcntl Airport?
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Alternative routes for Portsmouth to George Bush Intcntl
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Portsmouth to George Bush Intcntl
Discover the top 10 airlines that operate flights from Portsmouth to George Bush Intcntl. 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 August 2025.
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How does Cheapflights help users find flights from Portsmouth to George Bush Intcntl?
Cheapflights makes it easy to find Portsmouth to George Bush Intcntl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Portsmouth to George Bush Intcntl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to George Bush Intcntl from Portsmouth.
Can Cheapflights find flights from Portsmouth to George Bush Intcntl with no change fees?
Certainly. Search results for flights to George Bush Intcntl from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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