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Cheap flights from Portsmouth to Galway

LHR — SNN
5 Oct — 12 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Galway

Popular in

December

Cheapest in

January

Average price

£79
High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

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

What is the cheapest time of day to fly from P0R to G4W?

A simple way to save on the total cost of your ticket is to fly from Portsmouth to Galway in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portsmouth to Galway?

Travellers seeking maximum savings on their Portsmouth to Galway flight should consider departing on Monday at midday when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • What are the most reliable airlines from Portsmouth to Galway?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Galway on time: American Airlines (87%), Qatar Airways (87%), Air Canada (87%).

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

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

  • How can I find direct flights from Portsmouth to Galway?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Galway 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 2 airlines flying from Portsmouth to Galway

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£81Average£146FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Portsmouth to Galway?

Cheapflights makes it easy to find Portsmouth to Galway 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.

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

Cheapflights helps you find that perfect flight to Galway from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

Can Cheapflights notify me if prices for flights from Portsmouth to Galway become cheaper?

Yes! Start tracking prices for Portsmouth to Galway flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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