Cheap flights from Portsmouth to Houston

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

All the information you need to plan the best null to IAH flight in 2022: compare Portsmouth to Houston flight prices with the expected peak season, weather and rainfall in Houston.
When is the cheapest time to fly from Portsmouth to Houston (P0R - IAH)?

When flying from Portsmouth to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Houston. Flights to Houston from Portsmouth in February are about £800 on average during February, but can be found for as low as £582.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 3% 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 61 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 £812, or £818 for flights within the next 24 hours.

Cheap flights from Portsmouth to Houston in August, September 2022

The best prices found for Portsmouth to IAH flights in August, September
12 Aug - 14 Sep
£2,884pp
SOU
Southampton Eastleigh
British Airways
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
British Airways
   
2 STOPS
SOU
Southampton Eastleigh

Portsmouth to Houston 2022 flight deals

Cheap flights to Houston from Portsmouth found for this year
12 Aug - 14 Sep
£2,884pp
SOU
Southampton Eastleigh
British Airways
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
British Airways
   
2 STOPS
SOU
Southampton Eastleigh

One-way flights to Houston from Portsmouth

The cheapest one-way flights from Portsmouth to Houston
05:20 - 17:05
Delta
2 stops
16h 45m
SOU - IAH
Delta
£734
Delta
05:20 - 18:55
Delta
2 stops
18h 35m
SOU - IAH
Delta
£776
Delta
08:45 - 19:59
Delta
2 stops
17h 14m
SOU - IAH
Delta
£882
Delta

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

What are the most popular airlines that fly from Portsmouth to Houston?

The most popular airlines flying from Portsmouth to Houston are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

What are the cheapest flights from Portsmouth to Houston?

Looking at all options, your cheapest flight can be booked for £588. While the most popular route (Southampton Eastleigh - Houston George Bush Intcntl) can be booked for £748 on average our data indicates £1,921 when flying from Portsmouth to Houston.

What are the most reliable airlines from Portsmouth to Houston?

Before booking your flight to Houston from Portsmouth, check out the most reliable airlines to get you to your destination on time: Air Canada (70%), Austrian Airlines (70%), Brussels Airlines( 70%).

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Portsmouth?

Information is based on travel restrictions from Portsmouth to Houston

Most visitors from Portsmouth need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Portsmouth are not required to present a negative COVID-19 PCR test or antigen result upon entering Houston.

Quarantine requirements
Visitors from Portsmouth are not required to quarantine after entering Houston.

Do I need a test to fly back to Portsmouth from Houston?

Returning to Portsmouth from Houston

COVID-19 testing requirements
Visitors from Houston are not required to present a negative COVID-19 PCR test or antigen result upon entering Portsmouth.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Portsmouth.

Hide COVID Travel Restrictions for Houston, TX

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

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
£382 £1,012 No cancel fee 71%
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Virgin Atlantic
£505 £717 No cancel fee 72%
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Air Canada
£518 £654 No cancel fee 67%
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KLM
£534 £756 No cancel fee 75%
Search KLM flights
Finnair
£541 £733 No cancel fee 76%
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Turkish Airlines
£626 £695 No cancel fee 77%
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Lufthansa
£634 £871 No cancel fee 76%
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Brussels Airlines
£662 £860 No cancel fee N/A
Search Brussels Airlines flights
Iberia
£688 £905 No cancel fee 77%
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United Airlines
£708 £928 No cancel fee 69%
Search United Airlines flights

Hourly flight availability from Portsmouth to Houston

See what time of day planes typically take off from Portsmouth towards Houston.
Morning 6 AM to midday 64% of flight departures
Afternoon Midday to 6 PM 35% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
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