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Cheap flights from London Heathrow Airport to Galway from £46

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SNN
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Galway are usually found in January or March, booked 26 days in advance, depart on a Friday or Saturday and return on a Sunday

Cheap flight deals from Heathrow to Galway

Keep the following information in mind while searching for Heathrow to Galway flight deals. Data was last updated 11 July 2025.

Round-trip from

£96

One-way from

£46

Popular in

December

Cheapest in

January

Average price

£144
Aer Lingus
  • Aer Lingus
  • 29/7-30/7
  • Nonstop
  • 2h 50m total
  • London to Galway
Search Deals
Aer Lingus
  • Aer Lingus
  • 10/9
  • Nonstop
  • 1h 30m total
  • London to Galway
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Heathrow to Galway

Cheapest flights from Heathrow to Galway
Explore the most affordable flight options available from Heathrow to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Tue 29/719:10LHR - SNN
Nonstop1h 25mAer Lingus
Wed 30/721:15SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 11/7£96
Wed 8/1006:55LHR - SNN
1 stop7h 00mMultiple Airlines
Sun 12/1007:40SNN - LHR
Nonstop1h 25mMultiple Airlines
Deal found 9/7£141

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Galway that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Galway that are best for you.

Fly from

Heathrow

Fly to

Galway

Route

Depart

Return

Price

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 29/7

19:10-20:35

Nonstop1h 25m

Shannon

Wed 30/7

21:15-22:40

Nonstop1h 25m

£96

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 8/10

06:55-13:55

1 stop7h 00m

Shannon

Sun 12/10

07:40-09:05

Nonstop1h 25m

£141

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 10/9

14:40-16:10

Nonstop1h 30m

£46

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 3/11

19:05-22:50

1 stop3h 45m

£77

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 24/8

19:10-20:35

Nonstop1h 25m

£116

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight from Heathrow to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway from Heathrow with our price prediction graph.
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 London Heathrow Airport to Galway

How far ahead should I book a flight from London Heathrow Airport to Galway?

Use this chart to determine the optimal time to book a return flight from Heathrow to Galway. Price data was last updated on 27 June 2025.

The price you pay for your flight from London Heathrow Airport to Galway may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Galway?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Galway (average of £69). Flying from London Heathrow Airport to Galway in October is currently the most expensive (average of £123). 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 LHR to G4W?

Find hourly flight availability from Heathrow 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 11 July 2025.

When flying from London Heathrow Airport to Galway, 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 day to fly from London Heathrow Airport to Galway?

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

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

Weekly flight availability from London Heathrow Airport to Galway

Explore weekly flight availability from Heathrow to Galway. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

The most flights from LHR to G4W are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Galway

Get insights into the airlines that provide service to Galway. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Galway. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Galway, such as Aer Lingus and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.1
Good
1,154 reviews
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.6
Okay
7,109 reviews
Aer Lingus
7.1
Good
1,154 reviews
Check prices

Crew

8.0

Food

6.4

Overall

7.1

Boarding

7.3

Comfort

7.0

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 cheapest flights from London Heathrow Airport to Galway?

    While on average a flight from London Heathrow Airport to Galway is generally £318, our data shows the cheapest flight currently is £65. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £108 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Galway?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Galway (average of £69). Flying from London Heathrow Airport to Galway in October is currently the most expensive (average of £123). 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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Alternative routes for Heathrow to Galway

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Heathrow to Galway

Discover the top 2 airlines that operate flights from Heathrow 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£77Average£136FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£96Average£186FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Deals for Heathrow to Galway flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Galway for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Galway, users can toggle the no change fees filter when performing a flight search.

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