Cheap Flights to County Mayo

View AU$99 flight on Wed, 20 May 2026Opens in a new window

Flight 1

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Popular airlines to County Mayo

  • British Airways

  • Ryanair

  • Aer Lingus

  • Qatar Airways

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Cheapest Flights to County Mayo

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, 19 May - Fri, 22 May
LHR
London
NOC
Knock
AU$226 Return, found 1 day ago
AU$226
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 19 May from London to Knock, returning Fri, 22 May, priced at AU$226 found 1 day ago
Aer Lingus
Wed, 3 June - Sat, 6 June
LHR
London
NOC
Knock
AU$251 Return, found 6 days ago
AU$251
Return
found 6 days ago
Select Aer Lingus flight, departing Wed, 3 June from London to Knock, returning Sat, 6 June, priced at AU$251 found 6 days ago
Aer Lingus
Sat, 30 May - Wed, 3 June
LHR
London
NOC
Knock
AU$252 Return, found 3 days ago
AU$252
Return
found 3 days ago
Select Aer Lingus flight, departing Sat, 30 May from London to Knock, returning Wed, 3 June, priced at AU$252 found 3 days ago
Aer Lingus
Sat, 9 May - Sat, 16 May
LHR
London
NOC
Knock
AU$255 Return, found 1 day ago
AU$255
Return
found 1 day ago
Select Aer Lingus flight, departing Sat, 9 May from London to Knock, returning Sat, 16 May, priced at AU$255 found 1 day ago
Aer Lingus
Wed, 10 June - Mon, 12 Oct
LHR
London
NOC
Knock
AU$275 Return, found 4 days ago
AU$275
Return
found 4 days ago
Select Aer Lingus flight, departing Wed, 10 June from London to Knock, returning Mon, 12 Oct, priced at AU$275 found 4 days ago
Aer Lingus
Sat, 18 July - Tue, 21 July
LHR
London
NOC
Knock
AU$279 Return, found 2 days ago
AU$279
Return
found 2 days ago
Select Aer Lingus flight, departing Sat, 18 July from London to Knock, returning Tue, 21 July, priced at AU$279 found 2 days ago
Aer Lingus
Thu, 9 July - Wed, 5 Aug
LHR
London
NOC
Knock
AU$288 Return, found 2 days ago
AU$288
Return
found 2 days ago
Select Aer Lingus flight, departing Thu, 9 July from London to Knock, returning Wed, 5 Aug, priced at AU$288 found 2 days ago
British Airways
Sat, 30 May - Wed, 3 June
LHR
London
NOC
Knock
AU$384 Return, found 3 days ago
AU$384
Return
found 3 days ago
Select British Airways flight, departing Sat, 30 May from London to Knock, returning Wed, 3 June, priced at AU$384 found 3 days ago
Etihad Airways
Fri, 24 Apr - Mon, 18 May
SYD
Sydney
NOC
Knock
AU$1,632 Return, found 17 hours ago
AU$1,632
Return
found 17 hours ago
Select Etihad Airways flight, departing Fri, 24 Apr from Sydney to Knock, returning Mon, 18 May, priced at AU$1,632 found 17 hours ago
Qatar Airways
Wed, 6 May - Wed, 13 May
SYD
Sydney
NOC
Knock
AU$2,103 Return, found 3 days ago
AU$2,103
Return
found 3 days ago
Select Qatar Airways flight, departing Wed, 6 May from Sydney to Knock, returning Wed, 13 May, priced at AU$2,103 found 3 days ago

Trending flights to County Mayo

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Fri, 24 Apr - Mon, 18 May
SYD
Sydney
NOC
Knock
AU$1,632 Return, found 17 hours ago
AU$1,632
Return
found 17 hours ago
Select Etihad Airways flight, departing Fri, 24 Apr from Sydney to Knock, returning Mon, 18 May, priced at AU$1,632 found 17 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, AU$226 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 AU$99 in the last seven days. During this period, the price of a round-trip journey to County Mayo varied between AU$226 and AU$2,103. 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 AU$226 and AU$2,103. 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.

Book with confidence

County Mayo Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to County Mayo today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your County Mayo Airfare

At Expedia.com.au, it’s simple to find cheap flights to County Mayo that won’t cause your wallet to flinch. Browse through our inventory of County Mayo flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

County Mayo Flights

Travel information

County Mayo Flights Information

Airlines serving
Aer Lingus, British Airways, Etihad Airways, Qatar Airways
Roundtrip price
from AU$226
County Mayo Flights Information

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