Cheap flights from Portsmouth to Galway

LHR — SNN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Galway

Keep the following information in mind while searching for Portsmouth to Galway flight deals. Data was last updated 7 November 2025.

Popular in

December

Cheapest in

February

Average price

£56
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in November 2025

Cheapflights Insights

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

What is the cheapest month to book a flight from Portsmouth to Galway?

Currently, December is the cheapest month in which you can book a flight from Portsmouth to Galway (average of £18). Flying from Portsmouth to Galway in August is currently the most expensive (average of £34). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Portsmouth to Galway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

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 52% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Galway. Price data was last updated on 16 December 2024.

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

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Galway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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: Qatar Airways (66%), Aer Lingus (66%), British Airways (66%).

  • 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.

  • What is the cheapest month to book a flight from Portsmouth to Galway?

    Currently, December is the cheapest month in which you can book a flight from Portsmouth to Galway (average of £18). Flying from Portsmouth to Galway in August is currently the most expensive (average of £34). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Portsmouth to Galway

Discover the top 2 airlines that operate flights from Portsmouth to Galway. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£80FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£80Average£142FlexibilityNo 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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