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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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SNN
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Galway are usually found in February or March, booked 62 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Galway

Enter your travel dates to find the best prices.

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 1 July 2026.

Tue 11/819:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 12/807:30
SNN
-
LHR
Nonstop1h 35m
Aer Lingus
Deal found 28/6£90
Tue 15/914:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Tue 29/921:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 28/6£91
Wed 15/709:50
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Fri 14/821:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 26/6£92
Wed 9/909:50
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Mon 14/921:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/6£93
Wed 5/819:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Thu 6/821:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/6£95
Tue 11/819:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Thu 13/807:30
SNN
-
LHR
Nonstop1h 35m
Aer Lingus
Deal found 27/6£96
Tue 28/719:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 4/821:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/6£97
Tue 11/819:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 18/821:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 27/6£97
Tue 28/714:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Tue 28/721:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 26/6£99

Find flight deals from Heathrow to Galway

Keep the following information in mind while searching for Heathrow to Galway flight deals. Data was last updated 1 July 2026.

Round-trip from

£90

One-way from

£46

Popular in

May

Cheapest in

February

Average price

£159
Aer Lingus
  • Aer Lingus
  • 11/8-12/8
  • Nonstop
  • 3h 00m total
  • London to Galway
Search Deals
Aer Lingus
  • Aer Lingus
  • 1/9
  • Nonstop
  • 1h 30m total
  • London to Galway
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£12 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 2026
Search Deals

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 1 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Galway that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 23/9

19:10-20:35

Nonstop1h 25m

Shannon

Sat 26/9

16:50-18:20

Nonstop1h 30m

£193

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 22/9

19:10-20:35

Nonstop1h 25m

Shannon

Sat 26/9

16:50-18:20

Nonstop1h 30m

£193
Fastest return journey

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 27/9

19:10-20:35

Nonstop1h 25m

Shannon

Mon 28/9

21:15-22:40

Nonstop1h 25m

£200

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 7/10

14:40-16:10

Nonstop1h 30m

Shannon

Sat 10/10

16:50-18:20

Nonstop1h 30m

£220

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 13/7

19:10-20:35

Nonstop1h 25m

Shannon

Fri 17/7

21:15-22:40

Nonstop1h 25m

£220

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 16/7

09:50-11:20

Nonstop1h 30m

Shannon

Sun 19/7

07:10-14:15

1 stop7h 05m

£239

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 11/7

09:50-11:20

Nonstop1h 30m

Shannon

Sun 19/7

21:15-22:40

Nonstop1h 25m

£400

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 21/7

07:40-15:40

2 stops8h 00m

Shannon

Wed 5/8

14:30-19:45

1 stop29h 15m

£1,271

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 29/7

19:10-20:35

Nonstop1h 25m

Shannon

Wed 5/8

13:45-07:10

1 stop17h 25m

£2,981

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 31/7

19:10-20:35

Nonstop1h 25m

Shannon

Wed 5/8

13:45-07:10

1 stop17h 25m

£2,981

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

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 1 July 2026.

It’s typically best to fly out from London Heathrow Airport to Galway in the afternoon. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

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 1 July 2026.

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).

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

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 27 June 2026.

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

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 1 July 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Galway, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,634 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,634 reviews
Aer Lingus
7.3
Good
1,634 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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.

  • How long is the flight from London Heathrow Airport to Galway?

    Airlines like Aer Lingus and British Airways fly from London Heathrow Airport to Galway in about 1h 25m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 368 mi. Most flights are nonstop.

  • What are the most reliable airlines from London Heathrow Airport to Galway?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Galway are American Airlines (81%), Qatar Airways (81%) and Air Canada (81%).

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

    While on average a flight from London Heathrow Airport to Galway is generally £274, our data shows the cheapest flight currently is £50. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £91 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Heathrow to Galway

Discover the top airline 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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£97Average£149FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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