Question 1

What is the cheapest month to book a flight from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

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.

Question 2

Weekly flight availability from Portsmouth to Houston George Bush Intcntl Airport

Accepted Answer

The most flights from P0R to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 81.0 mm.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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).

Question 5

What are the cheapest flights from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £559. While the most popular route (Southampton Eastleigh - Houston George Bush Intcntl) can be booked for £803 on average our data indicates £1,539 when flying from Portsmouth to Houston George Bush Intcntl Airport.

Question 6

What are the most reliable airlines from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Portsmouth to Houston George Bush Intcntl Airport consider choosing Air Canada (74%), Austrian Airlines (74%) or Brussels Airlines (74%) as they are the most reliable in getting you off to your destination on time.

Question 7

What are the most popular airlines that fly from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

Consider Finnair, JetBlue or British Airways when booking your flight. These represent the most popular airlines when flying from Portsmouth to Houston George Bush Intcntl Airport.

Question 8

How far in advance should I book a flight from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

Travelers have found it’s best to book a flight 60 days in advance to save up to 62% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Houston George Bush Intcntl Airport 1-2 weeks in advance for as low as £614, or £922 for flights within the next 24 hours.

Question 9

What is the cheapest month to fly from Portsmouth to Houston George Bush Intcntl Airport?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Houston George Bush Intcntl Airport. Flights to Houston George Bush Intcntl Airport from Portsmouth in January are about £702 on average during January, but can be found for as low as £498.

Question 10

What is the cheapest time of day to fly from P0R to IAH?

Accepted Answer

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.

Question 11

Can I find deals for flights from Portsmouth to George Bush Intcntl that include hotel bookings?

Accepted Answer

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

Question 12

How can I find direct flights from Portsmouth to George Bush Intcntl?

Accepted Answer

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

Question 13

Can I find deals for business class flights from Portsmouth to George Bush Intcntl?

Accepted Answer

Yes. Cheapflights offers flight deals from Portsmouth to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 14

How does Cheapflights help users find flights from Portsmouth to George Bush Intcntl?

Accepted Answer

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.

Question 15

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to George Bush Intcntl?

Accepted Answer

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.

Question 16

Can Cheapflights find flights from Portsmouth to George Bush Intcntl with no change fees?

Accepted Answer

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.

Question 17

Can Cheapflights notify me if prices for flights from Portsmouth to George Bush Intcntl become cheaper?

Accepted Answer

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!

Round-trip from	£803
Popular in	August
Cheapest in	January
Average price	£872

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest£377	Average£461	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
JetBlue	Cheapest£451	Average£579	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£465	Average£589	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£484	Average£753	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	Cheapest£493	Average£606	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£529	Average£703	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£574	Average£786	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Austrian Airlines	Cheapest£587	Average£800	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
United Airlines	Cheapest£593	Average£795	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Iberia	Cheapest£594	Average£796	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Cheap flights from Portsmouth to Houston George Bush Intcntl Airport from £801

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/8. 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 8 July 2025.

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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 8 July 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 8 July 2025.

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Best time to book a flight from Portsmouth to George Bush Intcntl

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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?

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 8 July 2025.

Weekly flight availability from Portsmouth to Houston George Bush Intcntl Airport

Reviews of airlines servicing George Bush Intcntl

See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Portsmouth to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the most reliable airlines from Portsmouth to Houston George Bush Intcntl Airport?

What are the cheapest flights from Portsmouth to Houston George Bush Intcntl Airport?

Can I find deals for flights from Portsmouth to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Portsmouth to George Bush Intcntl?

Can I find deals for business class flights from Portsmouth to George Bush Intcntl?

What is the cheapest month to book a flight from Portsmouth to Houston George Bush Intcntl Airport?

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Can Cheapflights find flights from Portsmouth to George Bush Intcntl with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to George Bush Intcntl become cheaper?

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Cheapest flights from Portsmouth to George Bush Intcntl
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 8 July 2025.