$545 Cheap Flights from Atlanta (ATL) to Knock (NOC)

View $545 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Knock (NOC-Ireland West)

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Cheap Flights from Atlanta to Knock (ATL-NOC)

Prices were available within the past 7 days and start at $545 for one-way flights and $1,106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,106 Roundtrip, found 5 days ago
$1,106
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,106 found 5 days ago
British Airways
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,113 Roundtrip, found 5 days ago
$1,113
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,113 found 5 days ago
Iberia
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,121 Roundtrip, found 5 days ago
$1,121
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,121 found 5 days ago
British Airways
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,126 Roundtrip, found 5 days ago
$1,126
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,126 found 5 days ago
British Airways
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,136 Roundtrip, found 5 days ago
$1,136
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,136 found 5 days ago
Iberia
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,139 Roundtrip, found 5 days ago
$1,139
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,139 found 5 days ago
British Airways
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,141 Roundtrip, found 5 days ago
$1,141
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,141 found 5 days ago
Finnair
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,323 Roundtrip, found 5 days ago
$1,323
Roundtrip
found 5 days ago
Select Finnair flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,323 found 5 days ago
Aer Lingus
Wed, Oct 1 - Sun, Oct 5
ATL
Atlanta
NOC
Knock
$1,341 Roundtrip, found 5 days ago
$1,341
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Wed, Oct 1 from Atlanta to Knock, returning Sun, Oct 5, priced at $1,341 found 5 days ago
Air Canada
Sun, Sep 28 - Tue, Sep 30
ATL
Atlanta
NOC
Knock
$2,395 Roundtrip, found 17 hours ago
$2,395
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Sun, Sep 28 from Atlanta to Knock, returning Tue, Sep 30, priced at $2,395 found 17 hours ago

Frequently asked questions

How much does a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC) cost?
Get a cheap one-way flight from $545 or cheap return flight from $1,106 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC)?
The cheapest month to fly from ATL to NOC is October, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ATL to NOC flight.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC)?
You'll need to book a flight with a layover if you're traveling from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from ATL to NOC?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC)?
To avoid potential delays on the Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC) last-minute?
Holding off until just before your departure to book a flight from ATL to NOC generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book an ATL to NOC flight and hotel package?
Compared with arranging flights and hotels separately, booking an ATL to NOC flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Ireland West Airport (NOC)?
If you reserved your ATL to NOC flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Ireland West
Airlines serving
British Airways
Roundtrip price
$1,105
Distance
3820 mi

Book with confidence

Book with confidence

Atlanta to Knock Flights

The cheapest times to fly from Atlanta to Knock

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Atlanta to Knock are during the month of October. You can find some of the cheapest flights from Atlanta to Knock with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Atlanta to Knock

Sunday is one of the best days to book for cheap flights from Atlanta to Knock: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Atlanta to Knock

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Atlanta to Knock in 2025. You can also book with separate airlines for your outbound and return journeys, from $545 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Atlanta to Knock flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Atlanta to Knock airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Atlanta to Knock Flights

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*Available to One Key members.