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Cheap flights from Galway to London Heathrow Airport 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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — LHR
7 Jul — 14 Jul1
1 adult

Cheap flight deals from Galway to Heathrow

Keep the following information in mind while searching for Galway to Heathrow flight deals. Data was last updated 2 July 2025.

Round-trip from

£92

One-way from

£46

Popular in

July

Cheapest in

February

Average price

£140
Aer Lingus
  • Aer Lingus
  • 25/7-28/7
  • Nonstop
  • 2h 50m total
  • Galway to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 22/7
  • Nonstop
  • 1h 25m total
  • Galway to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Galway to Heathrow

Cheapest flights from Galway to Heathrow
Explore the most affordable flight options available from Galway to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Fri 25/721:15SNN - LHR
Nonstop1h 25mAer Lingus
Mon 28/719:10LHR - SNN
Nonstop1h 25mAer Lingus
Deal found 1/7£92
Thu 17/721:15SNN - LHR
Nonstop1h 25mMultiple Airlines
Mon 21/720:35LHR - SNN
1 stop16h 00mMultiple Airlines
Deal found 30/6£134

Cheapflights Fare Finder

Customise your flight search to find flights from Galway to Heathrow 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 2 July 2025.
Use the filters below to find and compare flights from Galway to London Heathrow Airport that are best for you.

Fly from

Galway

Fly to

Heathrow

Route

Depart

Return

Price

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 25/7

21:15-22:40

Nonstop1h 25m

London Heathrow

Mon 28/7

19:10-20:35

Nonstop1h 25m

£92

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 17/7

21:15-22:40

Nonstop1h 25m

London Heathrow

Mon 21/7

20:35-12:35

1 stop16h 00m

£134

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 22/7

21:15-22:40

Nonstop1h 25m

£46

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sun 20/7

21:15-22:40

Nonstop1h 25m

£92

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 19/8

13:00-17:05

1 stop4h 05m

£101

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Best time to book a flight from Galway to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Galway 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 Galway to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Galway to London Heathrow Airport (average of £112). Flying from Galway to London Heathrow Airport in August is currently the most expensive (average of £164). 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 G4W to LHR?

Find hourly flight availability from Galway to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Galway to London Heathrow Airport as you normally would.

What is the cheapest day to fly from Galway to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Galway to Heathrow. Price data was last updated on 30 June 2024.

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

Weekly flight availability from Galway to London Heathrow Airport

Explore weekly flight availability from Galway to Heathrow. 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 2 July 2025.

The most flights from G4W to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Galway to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown with Aer Lingus and British Airways from Galway to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,140 reviews
Check prices

Boarding

7.2

Food

6.4

Crew

8.0

Entertainment

6.8

Overall

7.1

Comfort

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.1
Good
1,140 reviews
Aer Lingus
7.1
Good
1,140 reviews
Check prices

Boarding

7.2

Food

6.4

Crew

8.0

Entertainment

6.8

Overall

7.1

Comfort

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
British Airways
6.6
Okay
7,089 reviews
Aer Lingus
7.1
Good
1,140 reviews
Check prices

Boarding

7.2

Food

6.4

Crew

8.0

Entertainment

6.8

Overall

7.1

Comfort

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

Related info for your journey

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

    Consider Air Canada (91%), American Airlines (86%) or Aer Lingus (86%) when booking your flight. These represent the most reliable airlines when flying from Galway to London Heathrow Airport.

  • What are the cheapest flights from Galway to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £58. While the most popular route (Shannon - London Heathrow) can be booked for £107 on average our data indicates £178 when flying from Galway to London Heathrow Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Galway to London Heathrow Airport (average of £112). Flying from Galway to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Galway?

Book flights to Galway if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Galway to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Dublin to Southend flights
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Dublin to London City flights
Shannon to Heathrow flights
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Shannon to Luton flights
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Cork to Gatwick flights
Cork to Luton flights
Cork to Stansted flights
Knock to Heathrow flights
Shannon to Gatwick flights
Shannon to Stansted flights
Knock to Luton flights
Shannon to London City flights
Knock to Stansted flights
Knock to Gatwick flights
Knock to London City flights
Milltown (Kerry) to Luton flights
Milltown (Kerry) to Stansted flights
Milltown (Kerry) to Gatwick flights
Shannon to Southend flights
Knock to Southend flights

Top airline flying from Galway to Heathrow

Discover the top airline that operate flights from Galway to Heathrow. 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£69Average£130FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Galway today and book when prices fit your budget.

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