Cheap Flights from London Heathrow Airport to County Mayo from 91 € Return

Flight deals from London Heathrow Airport to County Mayo

Looking for cheap tickets from London Heathrow Airport to County Mayo, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Knock.91 € per passenger.Departing Wed, 14 May, returning Tue, 20 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from London Heathrow on Wed, 14 May, arriving in Ireland West Knock.Inbound direct flight with Aer Lingus departs from Ireland West Knock on Tue, 20 May, arriving in London Heathrow.Price includes taxes and charges.From 91 €, select.

Flying from London Heathrow Airport to County Mayo

Arm yourself with these facts on the fly.

Cheapest flight found	91 €, Knock
Cheapest month to fly	May
Average flight time	1 hr, 30 mins
Average flights per week	22
Most popular airline	Aer Lingus

How to find cheap flights from London Heathrow Airport to County Mayo

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London Heathrow Airport to County Mayo. Other savvy travellers recently found return flights from 91 € and one-way tickets from 52 €. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in May

The cheapest time to fly from London Heathrow Airport to County Mayo is currently May.

Fly on a Monday

From our data, we can see that Monday seems to be the cheapest time to fly from London Heathrow Airport to County Mayo.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from London Heathrow Airport to anywhere you choose in County Mayo.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London Heathrow Airport to your chosen airport in County Mayo go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the London Heathrow Airport to County Mayo flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from London Heathrow Airport to County Mayo?

Yes - direct flights currently operate from London Heathrow Airport to Ireland West Knock Airport in County Mayo.

Which other London airports offer direct flights to County Mayo?

London Luton Airport offers direct flights to County Mayo.

What is the average price of a flight from London Heathrow Airport to County Mayo?

We looked at all of the upcoming return flights from London Heathrow Airport to County Mayo we could find over the next 12 months. It looks like 91 € is the best price. This is good, compared to the average County Mayo ticket price of 182 €.

What is the cheapest month to fly from London Heathrow Airport to County Mayo?

The cheapest month to fly from London Heathrow Airport to County Mayo is currently May.

Which upcoming date is cheapest to fly from London Heathrow Airport to County Mayo on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London Heathrow Airport to County Mayo on Wednesday, 14 May 2025.

If I'm flying from London Heathrow Airport, where in County Mayo is cheapest to fly into?

If you're flying from London Heathrow, the cheapest city in County Mayo to fly into is Knock. The cheapest airport serving Knock at the moment is Ireland West Knock.

How long is the flight from London Heathrow Airport to County Mayo?

The average flight time between London Heathrow Airport and County Mayo is 1 hour and 30 minutes.

Flights from London Heathrow Airport to County Mayo