$449 Cheap Flights from Boston (BOS) to Knock (NOC)

View $449 flight on Mon, Jul 21, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Knock (NOC-Ireland West)

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Find available prices by choosing your travel dates.

Cheap Flights from Boston to Knock (BOS-NOC)

Prices were available within the past 7 days and start at $449 for one-way flights and $735 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Aug 16 - Sat, Aug 23
BOS
Boston
NOC
Knock
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Aug 16 from Boston to Knock, returning Sat, Aug 23, priced at $735 found 1 day ago
American Airlines
Thu, Aug 14 - Tue, Aug 26
BOS
Boston
NOC
Knock
$756 Roundtrip, found 1 day ago
$756
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 14 from Boston to Knock, returning Tue, Aug 26, priced at $756 found 1 day ago
Air Canada
Tue, Aug 19 - Thu, Aug 28
BOS
Boston
NOC
Knock
$763 Roundtrip, found 1 day ago
$763
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 19 from Boston to Knock, returning Thu, Aug 28, priced at $763 found 1 day ago
Air Canada
Sat, Aug 2 - Sun, Aug 10
BOS
Boston
NOC
Knock
$766 Roundtrip, found 23 hours ago
$766
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Sat, Aug 2 from Boston to Knock, returning Sun, Aug 10, priced at $766 found 23 hours ago
British Airways
Tue, Aug 19 - Thu, Aug 28
BOS
Boston
NOC
Knock
$768 Roundtrip, found 1 day ago
$768
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Aug 19 from Boston to Knock, returning Thu, Aug 28, priced at $768 found 1 day ago
Air Canada
Tue, Aug 19 - Thu, Aug 28
BOS
Boston
NOC
Knock
$770 Roundtrip, found 1 day ago
$770
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 19 from Boston to Knock, returning Thu, Aug 28, priced at $770 found 1 day ago
Air Canada
Sat, Aug 2 - Sun, Aug 10
BOS
Boston
NOC
Knock
$773 Roundtrip, found 23 hours ago
$773
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Sat, Aug 2 from Boston to Knock, returning Sun, Aug 10, priced at $773 found 23 hours ago
Air Canada
Mon, Aug 18 - Thu, Aug 28
BOS
Boston
NOC
Knock
$777 Roundtrip, found 1 day ago
$777
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Aug 18 from Boston to Knock, returning Thu, Aug 28, priced at $777 found 1 day ago
Air Canada
Sat, Aug 2 - Sun, Aug 10
BOS
Boston
NOC
Knock
$780 Roundtrip, found 23 hours ago
$780
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Sat, Aug 2 from Boston to Knock, returning Sun, Aug 10, priced at $780 found 23 hours ago
American Airlines
Tue, Aug 19 - Thu, Aug 28
BOS
Boston
NOC
Knock
$782 Roundtrip, found 1 day ago
$782
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 19 from Boston to Knock, returning Thu, Aug 28, priced at $782 found 1 day ago
Flights from Boston (BOS) to Knock (NOC)
Origin airport
Logan Intl.
Destination airport
Ireland West
Airlines serving
Aer Lingus, British Airways
Roundtrip price
$734
Distance
2875 mi

Boston to Knock Flights

The cheapest times to fly from Boston 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 Boston to Knock are during the month of August. You can find some of the cheapest flights from Boston to Knock with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Knock

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Knock in 2025. You can also book with separate airlines for your outbound and return journeys, from $449 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 Boston 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 Boston 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.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Ireland West Airport (NOC) cost?
Discover the latest flight deals from BOS to NOC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOS to NOC?
The cheapest flights from BOS to NOC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOS to NOC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BOS to NOC. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Ireland West Airport (NOC)?
Nonstop flights from Logan Intl. Airport (BOS) to Ireland West Airport (NOC) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from BOS to NOC?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Ireland West Airport (NOC)?
To land at Ireland West Airport (NOC) on schedule, select a flight that leaves from Logan Intl. Airport (BOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Logan Intl. Airport (BOS) to Ireland West Airport (NOC) last-minute?
Waiting until right before your break to book a flight from BOS to NOC often results in higher prices. Although you may find some last-minute offers, they aren’t always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a BOS to NOC flight and hotel package?
Opting for a BOS to NOC flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Ireland West Airport (NOC)?
In most instances, you can cancel or reschedule your BOS to NOC flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.