Cheap flights from Portsmouth to Houston

Return
Economy
Southampton (SOU)
Houston (IAH)
Depart
Return
Any month
Compare vs Cheapflights |

How to find the cheapest flight from
Portsmouth (SOU) to Houston (IAH)

All the information you need to plan the best SOU to IAH flight in 2021: compare Portsmouth to Houston flight prices with the expected peak season, weather and rainfall in Houston.
What is the cheapest day to fly return from Portsmouth to Houston?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 4% on the overall cost on flights from Portsmouth to Houston.

How far in advance should I book a flight from Portsmouth to Houston?

Travellers have found it’s best to book a flight 49 days in advance to save up to 47% 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 49 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 1-2 weeks in advance for as low as £565, or £715 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Houston?

The best pricing can be found in the month of February. Prices to Houston from Portsmouth average £547. You can even find prices in February for less than £547, as users have found deals to Houston from as low as £355. The month of July appears to be one of the more expensive times to travel to Houston from Portsmouth. Flying in the targeted month can save you up to 38%.

When is the cheapest time to fly from Portsmouth to Houston (SOU - IAH)?

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.

Portsmouth to Houston 2021 flight deals

Cheap flights to Houston from Portsmouth found for this year
12 Dec - 15 Dec
£2,268pp
SOU
Southampton Eastleigh
KLM
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
KLM
 
1 STOP
SOU
Southampton Eastleigh
12 Dec - 15 Dec
£2,271pp
SOU
Southampton Eastleigh
KLM
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
KLM
 
1 STOP
SOU
Southampton Eastleigh
12 Dec - 15 Dec
£2,272pp
SOU
Southampton Eastleigh
KLM
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
KLM
 
1 STOP
SOU
Southampton Eastleigh

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portsmouth</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Portsmouth to Houston

Are flight prices decreasing from Southampton to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Southampton or Houston?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Southampton is roughly less than Houston. You can assume this to be the case over the next 10 days.

Is Southampton weather warmer or cooler than Houston?

Temperatures around the 30 °Cs can be experienced in August. The weather in Houston is hotter than in Southampton. Plan for potential changes in flight availability as peak weather approaches in this location.

Alternative routes for Portsmouth to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Portsmouth to Houston.
Today's exchange rate
£1 = $1.40
Average temperature for May in Houston
25.0 °C

Airports servicing Southampton

Airports servicing Houston

Home North America USA Texas Houston Cheap flights from Portsmouth to Houston
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First