Cheap flights to County Mayo

View €17 flight on Tue, 23 Jun 2026Opens in a new window

Popular airlines to County Mayo

  • British Airways

  • Aer Lingus

  • Ryanair

  • Qatar Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to County Mayo

Prices were available within the past 7 days and start at €17 for one-way flights and €34 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sat, 20 Jun - Tue, 23 Jun
CGN
Cologne
NOC
Knock
€34 Return, found 20 hours ago
€34
Return
found 20 hours ago
Select Ryanair flight, departing Sat, 20 Jun from Cologne to Knock, returning Tue, 23 Jun, priced at €34 found 20 hours ago
Ryanair
Sat, 4 Jul - Fri, 10 Jul
LPL
Liverpool
NOC
Knock
€34 Return, found 5 hours ago
€34
Return
found 5 hours ago
Select Ryanair flight, departing Sat, 4 Jul from Liverpool to Knock, returning Fri, 10 Jul, priced at €34 found 5 hours ago
Ryanair
Mon, 20 Jul - Fri, 24 Jul
STN
London
NOC
Knock
€34 Return, found 13 hours ago
€34
Return
found 13 hours ago
Select Ryanair flight, departing Mon, 20 Jul from London to Knock, returning Fri, 24 Jul, priced at €34 found 13 hours ago
Ryanair
Fri, 10 Jul - Wed, 15 Jul
BHX
Birmingham
NOC
Knock
€35 Return, found 7 hours ago
€35
Return
found 7 hours ago
Select Ryanair flight, departing Fri, 10 Jul from Birmingham to Knock, returning Wed, 15 Jul, priced at €35 found 7 hours ago
Ryanair
Sat, 4 Jul - Sun, 5 Jul
EMA
East Midlands
NOC
Knock
€35 Return, found 12 hours ago
€35
Return
found 12 hours ago
Select Ryanair flight, departing Sat, 4 Jul from East Midlands to Knock, returning Sun, 5 Jul, priced at €35 found 12 hours ago
Ryanair
Tue, 16 Jun - Thu, 18 Jun
LPL
Liverpool
NOC
Knock
€35 Return, found 3 days ago
€35
Return
found 3 days ago
Select Ryanair flight, departing Tue, 16 Jun from Liverpool to Knock, returning Thu, 18 Jun, priced at €35 found 3 days ago
Aer Lingus
Tue, 23 Jun - Tue, 30 Jun
LHR
London
NOC
Knock
€110 Return, found 13 hours ago
€110
Return
found 13 hours ago
Select Aer Lingus flight, departing Tue, 23 Jun from London to Knock, returning Tue, 30 Jun, priced at €110 found 13 hours ago
British Airways
Thu, 2 Jul - Mon, 6 Jul
LHR
London
NOC
Knock
€260 Return, found 5 hours ago
€260
Return
found 5 hours ago
Select British Airways flight, departing Thu, 2 Jul from London to Knock, returning Mon, 6 Jul, priced at €260 found 5 hours ago
United
Tue, 21 Jul - Tue, 28 Jul
CYS
Cheyenne
NOC
Knock
€997 Return, found 13 hours ago
€997
Return
found 13 hours ago
Select United flight, departing Tue, 21 Jul from Cheyenne to Knock, returning Tue, 28 Jul, priced at €997 found 13 hours ago
Emirates
Thu, 25 Jun - Mon, 29 Jun
LHE
Lahore
NOC
Knock
€1,071 Return, found 14 hours ago
€1,071
Return
found 14 hours ago
Select Emirates flight, departing Thu, 25 Jun from Lahore to Knock, returning Mon, 29 Jun, priced at €1,071 found 14 hours ago
Book with confidence

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, €34 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 Cologne (CGN) sold for as low as €17 in the last seven days. During this period, the price of a round-trip journey to County Mayo varied between €34 and €1,071. If you spot a deal, grab it quickly — these fares don't hang around.
How much is a plane ticket to County Mayo?
In the last seven days, seats to County Mayo cost between €34 and €1,071. 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

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.
About County Mayo

Explore a world of travel with Expedia

*Available to Expedia members.