A canal with a stone wall, a church with a circular window, and parked cars along the side.

Cheap Flights to County Mayo | Popular Routes to County Mayo from HK$1,211

View HK$1,211 flight on Sun, 9 Aug 2026Opens in a new window

Popular airlines to County Mayo

  • British Airways

  • Aer Lingus

  • Ryanair

  • 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$1,211 for one-way flights and HK$2,202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, 15 Aug - Sat, 22 Aug
LHR
London
NOC
Knock
HK$2,202 Return, found 11 hours ago
HK$2,202
Return
found 11 hours ago
Select British Airways flight, departing Sat, 15 Aug from London to Knock, returning Sat, 22 Aug, priced at HK$2,202 found 11 hours ago
Aer Lingus
Sat, 15 Aug - Sat, 22 Aug
LHR
London
NOC
Knock
HK$2,252 Return, found 11 hours ago
HK$2,252
Return
found 11 hours ago
Select Aer Lingus flight, departing Sat, 15 Aug from London to Knock, returning Sat, 22 Aug, priced at HK$2,252 found 11 hours ago
Aer Lingus
Sat, 18 Jul - Wed, 22 Jul
LHR
London
NOC
Knock
HK$2,278 Return, found 5 days ago
HK$2,278
Return
found 5 days ago
Select Aer Lingus flight, departing Sat, 18 Jul from London to Knock, returning Wed, 22 Jul, priced at HK$2,278 found 5 days ago
Aer Lingus
Sat, 15 Aug - Sat, 22 Aug
LHR
London
NOC
Knock
HK$2,295 Return, found 11 hours ago
HK$2,295
Return
found 11 hours ago
Select Aer Lingus flight, departing Sat, 15 Aug from London to Knock, returning Sat, 22 Aug, priced at HK$2,295 found 11 hours ago
British Airways
Sat, 18 Jul - Wed, 22 Jul
LHR
London
NOC
Knock
HK$2,298 Return, found 5 days ago
HK$2,298
Return
found 5 days ago
Select British Airways flight, departing Sat, 18 Jul from London to Knock, returning Wed, 22 Jul, priced at HK$2,298 found 5 days ago
Aer Lingus
Sat, 18 Jul - Wed, 22 Jul
LHR
London
NOC
Knock
HK$2,312 Return, found 5 days ago
HK$2,312
Return
found 5 days ago
Select Aer Lingus flight, departing Sat, 18 Jul from London to Knock, returning Wed, 22 Jul, priced at HK$2,312 found 5 days ago
Aer Lingus
Sat, 15 Aug - Sat, 22 Aug
LHR
London
NOC
Knock
HK$2,321 Return, found 11 hours ago
HK$2,321
Return
found 11 hours ago
Select Aer Lingus flight, departing Sat, 15 Aug from London to Knock, returning Sat, 22 Aug, priced at HK$2,321 found 11 hours ago
Aer Lingus
Thu, 6 Aug - Wed, 12 Aug
LHR
London
NOC
Knock
HK$2,502 Return, found 10 hours ago
HK$2,502
Return
found 10 hours ago
Select Aer Lingus flight, departing Thu, 6 Aug from London to Knock, returning Wed, 12 Aug, priced at HK$2,502 found 10 hours ago
Aer Lingus
Thu, 6 Aug - Wed, 12 Aug
LHR
London
NOC
Knock
HK$2,535 Return, found 10 hours ago
HK$2,535
Return
found 10 hours ago
Select Aer Lingus flight, departing Thu, 6 Aug from London to Knock, returning Wed, 12 Aug, priced at HK$2,535 found 10 hours ago
Aer Lingus
Thu, 6 Aug - Wed, 12 Aug
LHR
London
NOC
Knock
HK$2,561 Return, found 10 hours ago
HK$2,561
Return
found 10 hours ago
Select Aer Lingus flight, departing Thu, 6 Aug from London to Knock, returning Wed, 12 Aug, priced at HK$2,561 found 10 hours ago

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$2,202 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$1,211 in the last seven days. During this period, the price of a round-trip journey to County Mayo varied between HK$2,202 and HK$2,561. 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$2,202 and HK$2,561. 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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About County Mayo

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About County Mayo
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