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Cheap flights from London Heathrow Airport to Galway from £49

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SNN
3 Jun — 10 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Galway are usually found in February or January, 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 4 May 2026.

Tue 19/509:50
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Tue 26/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/4£91
Wed 27/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 3/616:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 29/4£94
Tue 26/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Thu 28/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/4£95
Tue 19/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Sun 24/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/4£99
Wed 6/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Sat 9/516:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 29/4£103
Tue 19/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Mon 25/507:30
SNN
-
LHR
Nonstop1h 35m
Aer Lingus
Deal found 2/5£109
Wed 17/614:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Wed 24/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 2/5£110
Tue 2/614:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Fri 12/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/4£111
Fri 29/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Fri 5/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 1/5£113

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 4 May 2026.

Round-trip from

£91

One-way from

£49

Popular in

December

Cheapest in

February

Average price

£135
Aer Lingus
  • Aer Lingus
  • 19/5-26/5
  • Nonstop
  • 2h 55m total
  • London to Galway
Search Deals
Aer Lingus
  • Aer Lingus
  • 26/5
  • Nonstop
  • 1h 25m total
  • London to Galway
Search Deals
High demand for flights, 1% potential price rise
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 May 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 4 May 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

Thu 18/6

09:50-11:20

Nonstop1h 30m

Shannon

Thu 25/6

21:15-22:40

Nonstop1h 25m

£127

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 14/5

19:10-20:35

Nonstop1h 25m

Shannon

Sat 16/5

17:25-18:55

Nonstop1h 30m

£169

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 3/6

18:00-23:35

1 stop5h 35m

Shannon

Tue 9/6

16:05-21:05

1 stop5h 00m

£216

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 19/5

14:40-16:10

Nonstop1h 30m

Shannon

Wed 20/5

21:15-22:40

Nonstop1h 25m

£219
Fastest return journey

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 18/5

19:10-20:35

Nonstop1h 25m

Shannon

Fri 22/5

21:15-22:40

Nonstop1h 25m

£219

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 11/6

19:10-20:35

Nonstop1h 25m

Shannon

Sun 14/6

07:30-09:05

Nonstop1h 35m

£220

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 24/5

19:10-20:35

Nonstop1h 25m

Shannon

Wed 27/5

07:30-09:05

Nonstop1h 35m

£220

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 2/10

14:40-16:10

Nonstop1h 30m

Shannon

Sun 4/10

21:15-22:40

Nonstop1h 25m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 19/5

14:40-16:10

Nonstop1h 30m

Shannon

Thu 18/6

21:15-22:40

Nonstop1h 25m

£221
Cheapest one-way
Fastest single journey

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 11/5

19:10-20:35

Nonstop1h 25m

£72

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 19 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 4 May 2026.

It’s typically best to fly out from London Heathrow Airport to Galway in the afternoon. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

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 25 April 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.

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 4 May 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 (10 on average).

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

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 4 May 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
1,540 reviews
Check prices

Crew

8.1

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Overall

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Aer Lingus
7.3
Good
1,540 reviews
Aer Lingus
7.3
Good
1,540 reviews
Check prices

Crew

8.1

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Overall

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.

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 30m. 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 Qatar Airways (81%), Aer Lingus (81%) and British Airways (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 £303, our data shows the cheapest flight currently is £48. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £116 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£87Average£147FlexibilityNo 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.

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

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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