How long is the flight from Portsmouth to Galveston?

There are many flights that can get you from Portsmouth to Galveston in 20h 23m. Fly via Delta to get the fastest option. The distance from Portsmouth to Galveston is about 4813 mi.

In terms of precipitation, rainfall in Galveston 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 Galveston when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Galveston, 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).

Can I find deals for flights from Portsmouth to Galveston that include hotel bookings?

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

How can I find direct flights from Portsmouth to Galveston?

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

Can I find deals for business class flights from Portsmouth to Galveston?

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

£948+ Cheap Flights from Portsmouth to Galveston

Cheap flight deals from Portsmouth to Galveston

Enter your travel dates to find the best prices.

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Cheapest flights from Portsmouth to Galveston
Explore the most affordable flight options available from Portsmouth to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Mon 2/1108:40 -

2 stops20h 23m

Mon 16/1110:27 -

2 stops15h 43m

Deal found 8/9£948

Wed 21/1009:15 -

2 stops19h 48m

Wed 28/1015:09 -

2 stops20h 56m

Deal found 6/9£959

Fri 23/1009:05 -

2 stops19h 58m

Fri 30/1017:28 -

2 stops18h 22m

Deal found 8/9£1,338

Find flight deals from Portsmouth to Galveston

Round-trip from	£959
Popular in	June
Cheapest in	February
Average price	£691

Delta
21/10-28/10
4 total stops
40h 44m total
Portsmouth to Galveston

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Use the filters below to find and compare flights from Portsmouth to Galveston that are best for you.

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SouthamptonHouston

SOU Southampton Eastleigh - HOU Houston Hobby

SOUHOU

Southampton Eastleigh

Mon 2/11

08:40-23:03

2 stops20h 23m

Houston Hobby

Tue 17/11

10:27-08:10

2 stops15h 43m

£948

SouthamptonHouston

SOU Southampton Eastleigh - HOU Houston Hobby

SOUHOU

Southampton Eastleigh

Mon 2/11

08:40-23:03

2 stops20h 23m

Houston Hobby

Mon 16/11

10:27-08:10

2 stops15h 43m

£948

SouthamptonHouston

SOU Southampton Eastleigh - HOU Houston Hobby

SOUHOU

Southampton Eastleigh

Wed 4/11

08:40-23:03

2 stops20h 23m

Houston Hobby

Mon 16/11

10:27-08:10

2 stops15h 43m

£948

SouthamptonHouston

SOU Southampton Eastleigh - HOU Houston Hobby

SOUHOU

Southampton Eastleigh

Wed 21/10

09:15-23:03

2 stops19h 48m

Houston Hobby

Wed 28/10

15:09-17:05

2 stops20h 56m

£959

SouthamptonHouston

SOU Southampton Eastleigh - HOU Houston Hobby

SOUHOU

Southampton Eastleigh

Fri 23/10

09:05-23:03

2 stops19h 58m

Houston Hobby

Fri 30/10

17:28-16:50

2 stops18h 22m

£1,338

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Sorted by cheapest first

Best time to book a flight from Portsmouth to Galveston

Have a flexible travel schedule? Discover the best time to fly to Galveston from Portsmouth with our price prediction graph.

SOU-HOU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Galveston

P0R-G4L

SOU-HOU

What is the cheapest time of day to fly from P0R to G4L?

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

Related info for your journey

How long is the flight from Portsmouth to Galveston?
There are many flights that can get you from Portsmouth to Galveston in 20h 23m. Fly via Delta to get the fastest option. The distance from Portsmouth to Galveston is about 4813 mi.
Can I find deals for flights from Portsmouth to Galveston that include hotel bookings?
Yes. In addition to deals on Portsmouth to Galveston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Galveston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Galveston.
Can I find deals for business class flights from Portsmouth to Galveston?
Yes. Cheapflights offers flight deals from Portsmouth to Galveston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 10 airlines flying from Portsmouth to Galveston

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest£40	Average£93	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
WestJet	Cheapest£169	Average£778	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Finnair	Cheapest£311	Average£901	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£361	Average£599	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£384	Average£690	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Scandinavian Airlines	Cheapest£415	Average£472	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air France	Cheapest£432	Average£607	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Iberia	Cheapest£441	Average£1,027	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
JetBlue	Cheapest£525	Average£711	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
United Airlines	Cheapest£558	Average£870	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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Cheap flights from Portsmouth to Galveston from £948

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Galveston

Cheapest flights from Portsmouth to GalvestonExplore the most affordable flight options available from Portsmouth to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Explore the most affordable flight options available from Portsmouth to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Portsmouth to GalvestonDiscover carefully curated flight deals from Portsmouth to Galveston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Discover carefully curated flight deals from Portsmouth to Galveston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Portsmouth to GalvestonDiscover last-minute flight deals from Portsmouth to Galveston. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Galveston. Data last updated 9 September 2026 and is based on user searches.

Find flight deals from Portsmouth to Galveston

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Best time to book a flight from Portsmouth to Galveston

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What is the cheapest time of day to fly from P0R to G4L?

Find hourly flight availability from Portsmouth to Galveston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 September 2026.

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

Related info for your journey

How long is the flight from Portsmouth to Galveston?

Can I find deals for flights from Portsmouth to Galveston that include hotel bookings?

How can I find direct flights from Portsmouth to Galveston?

Can I find deals for business class flights from Portsmouth to Galveston?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Galveston

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Direct flights to Texas

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Cheapest flights from Portsmouth to Galveston
Explore the most affordable flight options available from Portsmouth to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 September 2026.

Best flights from Portsmouth to Galveston
Discover carefully curated flight deals from Portsmouth to Galveston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.

Last-minute flights from Portsmouth to Galveston
Discover last-minute flight deals from Portsmouth to Galveston. Data last updated 9 September 2026 and is based on user searches.