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Cheap flights from Portsmouth to Galveston

LHR — HOU
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Galveston

Popular in

June

Cheapest in

February

Average price

£876
Highest demand for flights based on searches. 8% potential increase in price (£58 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

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

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

  • 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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Alternative routes for Portsmouth to Galveston

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Newcastle upon Tyne to Dallas/Fort Worth flights
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Manchester to George Bush Intcntl flights
Heathrow to San Antonio flights
Manchester to Austin flights
Edinburgh to Dallas/Fort Worth flights
Birmingham to Dallas/Fort Worth flights
Gatwick to Love Field flights
Edinburgh to Hobby flights
Gatwick to San Antonio flights
Birmingham to Love Field flights
Edinburgh to Love Field flights
Edinburgh to George Bush Intcntl flights
Manchester to San Antonio flights
Heathrow to El Paso flights
Birmingham to George Bush Intcntl flights
Birmingham to Hobby flights
London City to San Antonio flights
Newcastle upon Tyne to Hobby flights
Edinburgh to Austin flights
Newcastle upon Tyne to Austin flights
Southend to Dallas/Fort Worth flights
Newcastle upon Tyne to George Bush Intcntl flights
Southend to George Bush Intcntl flights
Birmingham to Austin flights
Edinburgh to San Antonio flights
Leeds to Dallas/Fort Worth flights
Southampton to Hobby flights
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Southampton to Austin flights

Top 10 airlines flying from Portsmouth to Galveston

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£40Average£94FlexibilityNo cancel feeOn-time62%
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FinnairCheapest£315Average£880FlexibilityNo cancel feeOn-time76%
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KLMCheapest£365Average£606FlexibilityNo cancel feeOn-time75%
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Virgin AtlanticCheapest£388Average£778FlexibilityNo cancel feeOn-time72%
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Scandinavian AirlinesCheapest£420Average£560FlexibilityNo cancel feeOn-time77%
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Air FranceCheapest£437Average£614FlexibilityNo cancel feeOn-time77%
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IberiaCheapest£446Average£1,032FlexibilityNo cancel feeOn-time77%
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JetBlueCheapest£531Average£716FlexibilityNo cancel feeOn-time62%
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United AirlinesCheapest£565Average£959FlexibilityNo cancel feeOn-time69%
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Brussels AirlinesCheapest£569Average£903FlexibilityNo cancel feeOn-timeN/A
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Cheapflights helps you search for flights from Portsmouth to Galveston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Galveston?

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 Galveston from Portsmouth.

Can Cheapflights find flights from Portsmouth to Galveston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Galveston flexibly with Cheapflights today.

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