Cheap Flights to County Mayo | Popular Routes to County Mayo from HK$1,115

View HK$1,115 flight on Wed, 21 Jan 2026Opens in a new window

Popular airlines to County Mayo

  • Ryanair

    Ryanair

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

  • Qatar Airways

    Qatar Airways

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Cheap round-trip flights to County Mayo

Prices were available within the past 7 days and start at HK$1,115 for one-way flights and HK$2,275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, 8 Apr - Sun, 12 Apr
LHR
London
NOC
Knock
HK$2,275 Return, found 3 days ago
HK$2,275
Return
found 3 days ago
Select Aer Lingus flight, departing Wed, 8 Apr from London to Knock, returning Sun, 12 Apr, priced at HK$2,275 found 3 days ago
British Airways
Wed, 8 Apr - Sun, 12 Apr
LHR
London
NOC
Knock
HK$2,292 Return, found 3 days ago
HK$2,292
Return
found 3 days ago
Select British Airways flight, departing Wed, 8 Apr from London to Knock, returning Sun, 12 Apr, priced at HK$2,292 found 3 days ago
Aer Lingus
Fri, 3 Apr - Sun, 5 Apr
LHR
London
NOC
Knock
HK$2,382 Return, found 1 day ago
HK$2,382
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 3 Apr from London to Knock, returning Sun, 5 Apr, priced at HK$2,382 found 1 day ago
British Airways
Fri, 3 Apr - Sun, 5 Apr
LHR
London
NOC
Knock
HK$2,402 Return, found 1 day ago
HK$2,402
Return
found 1 day ago
Select British Airways flight, departing Fri, 3 Apr from London to Knock, returning Sun, 5 Apr, priced at HK$2,402 found 1 day ago
Aer Lingus
Fri, 3 Apr - Sun, 5 Apr
LHR
London
NOC
Knock
HK$2,475 Return, found 1 day ago
HK$2,475
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 3 Apr from London to Knock, returning Sun, 5 Apr, priced at HK$2,475 found 1 day ago
British Airways
Wed, 8 Apr - Sun, 12 Apr
LHR
London
NOC
Knock
HK$2,500 Return, found 3 days ago
HK$2,500
Return
found 3 days ago
Select British Airways flight, departing Wed, 8 Apr from London to Knock, returning Sun, 12 Apr, priced at HK$2,500 found 3 days ago
British Airways
Fri, 3 Apr - Mon, 6 Apr
LHR
London
NOC
Knock
HK$2,552 Return, found 13 hours ago
HK$2,552
Return
found 13 hours ago
Select British Airways flight, departing Fri, 3 Apr from London to Knock, returning Mon, 6 Apr, priced at HK$2,552 found 13 hours ago
British Airways
Fri, 3 Apr - Sun, 5 Apr
LHR
London
NOC
Knock
HK$2,610 Return, found 1 day ago
HK$2,610
Return
found 1 day ago
Select British Airways flight, departing Fri, 3 Apr from London to Knock, returning Sun, 5 Apr, priced at HK$2,610 found 1 day ago
Aer Lingus
Fri, 3 Apr - Mon, 6 Apr
LHR
London
NOC
Knock
HK$2,625 Return, found 13 hours ago
HK$2,625
Return
found 13 hours ago
Select Aer Lingus flight, departing Fri, 3 Apr from London to Knock, returning Mon, 6 Apr, priced at HK$2,625 found 13 hours ago
British Airways
Fri, 3 Apr - Mon, 6 Apr
LHR
London
NOC
Knock
HK$2,750 Return, found 13 hours ago
HK$2,750
Return
found 13 hours ago
Select British Airways flight, departing Fri, 3 Apr from London to Knock, returning Mon, 6 Apr, priced at HK$2,750 found 13 hours ago

About County Mayo

Expedia offers flights to County Mayo to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to County Mayo or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to County Mayo that have flexible change policies?
We understand that plans can change from one minute to the next, so choosing a flexible fare with Expedia makes sense. Simply check the "No change fee" box below the "Flexible change policies" filter. Your low-priced, flexible flight to County Mayo is just a few clicks away.
How can I find cheap tickets to County Mayo?
In the last seven days, HK$2,275 was the best price for a flight to County Mayo. If you're eager to save even more, book in advance and be flexible with your travel dates. Search for your trip to County Mayo, then compare prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to County Mayo?
One-way flights leaving London (LHR) sold for as low as HK$1,115 in the last seven days. During this period, the price of a round-trip journey to County Mayo varied between HK$2,275 and HK$4,153. If you spot a deal, grab it quickly — these fares don't hang around.
When is the cheapest time to fly to County Mayo?
Jet off on a Tuesday to increase your chances of picking up the cheapest airfare to County Mayo. Mondays are usually the next most affordable day to depart. Saturday is normally the most expensive day to fly anywhere.
How much is a plane ticket to County Mayo?
In the last seven days, seats to County Mayo cost between HK$2,275 and HK$4,153. Prices depend on the departure time, airline, cabin class and how early the fare is booked.
What is the best time to go to County Mayo?
If you want to discover County Mayo's major city when it's buzzing, set out for Castlebar sometime in April, May and June. Like most destinations in the Northern Hemisphere, summer here begins June 20, bringing average temperatures of between 10ºC and 18ºC.
What months are the cheapest to book a flight to County Mayo?
To snap up cheap flights to County Mayo, book during February when the price of airfares are at their cheapest. When's the most expensive time? In the U.S, it's December.
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