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Flights to Knock Intl

$842 Cheap flights to Knock

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Knock departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United States to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 am - 4:55 pmEWR  Newark-NOC Knock Intl
25h 30m3 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat London Luton
Multiple Airlines Logo
1:05 pm - 7:15 pmNOC  Knock Intl-EWR Newark
35h 10m2 stops London Heathrow Reykjavik Keflavik Intl
$842Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
12:30 am - 8:30 amJFK  New York John F Kennedy Intl-NOC Knock Intl
27h 00m2 stops Rome Fiumicino London Luton
Multiple Airlines Logo
9:30 am - 8:05 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
39h 35m3 stops Bergamo Orio Al Serio Barcelona-El Prat Lisbon Humberto Delgado
$844Multiple Airlines
Thu, Sep 24 - Sat, Oct 3
Multiple Airlines Logo
4:55 pm - 12:35 pmJFK  New York John F Kennedy Intl-NOC Knock Intl
14h 40m2 stops Dublin London Heathrow
Multiple Airlines Logo
9:10 am - 8:05 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
39h 55m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$877Multiple Airlines
Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
5:00 pm - 4:50 pmJFK  New York John F Kennedy Intl-NOC Knock Intl
18h 50m3 stops Dublin Glasgow Intl London Luton
Multiple Airlines Logo
2:05 pm - 7:25 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
34h 20m3 stops Manchester Berlin Brandenburg Dublin
$888Multiple Airlines
Mon, Nov 16 - Mon, Nov 30
Multiple Airlines Logo
11:05 am - 12:25 pmEWR  Newark-NOC Knock Intl
20h 20m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
1:00 pm - 1:39 pmNOC  Knock Intl-EWR Newark
29h 39m2 stops London Heathrow Toronto Pearson Intl
$893Multiple Airlines
Mon, Jan 4 - Mon, Jan 11
Aer Lingus Logo
6:25 pm - 12:35 pmJFK  New York John F Kennedy Intl-NOC Knock Intl
13h 10m2 stops Shannon London Heathrow
Aer Lingus Logo
1:05 pm - 10:25 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
14h 20m2 stops London Heathrow Dublin
$902Aer Lingus
Thu, Sep 10 - Tue, Sep 15
Multiple Airlines Logo
6:15 pm - 12:25 pmEWR  Newark-NOC Knock Intl
61h 10m2 stops Vancouver Intl London Heathrow
Multiple Airlines Logo
1:00 pm - 12:02 pmNOC  Knock Intl-EWR Newark
52h 02m2 stops London Heathrow Halifax Intl
$906Multiple Airlines
Mon, Nov 16 - Mon, Nov 30
Multiple Airlines Logo
12:40 am - 8:45 amJFK  New York John F Kennedy Intl-NOC Knock Intl
27h 05m3 stops Madrid Barajas London Gatwick Alicante
Multiple Airlines Logo
12:20 pm - 8:05 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
36h 45m3 stops Bergamo Orio Al Serio Barcelona-El Prat Lisbon Humberto Delgado
$907Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
4:55 pm - 5:15 pmJFK  New York John F Kennedy Intl-NOC Knock Intl
19h 20m2 stops Dublin Liverpool J. Lennon
Multiple Airlines Logo
1:05 pm - 7:20 pmNOC  Knock Intl-JFK New York John F Kennedy Intl
35h 15m2 stops London Heathrow Reykjavik Keflavik Intl
$908Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
6:40 pm - 12:35 pmEWR  Newark-NOC Knock Intl
36h 55m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
1:05 pm - 2:55 pmNOC  Knock Intl-EWR Newark
30h 50m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl
$911Multiple Airlines
Mon, Aug 24 - Sat, Sep 5

momondo Fare Finder

 
Locate flights to Knock Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 11, 2026.
Use the filters below to find and compare flights to Knock that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

NewarkKnock

EWR Newark - NOC Knock Intl

EWRNOC

Newark

Mon 9/21

10:25 am-4:55 pm

3 stops25h 30m

Knock Intl

Mon 9/28

1:05 pm-7:15 pm

2 stops35h 10m

$842

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Thu 9/24

12:30 am-8:30 am

2 stops27h 00m

Knock Intl

Sat 10/3

9:30 am-8:05 pm

3 stops39h 35m

$844

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Thu 9/10

4:55 pm-12:35 pm

2 stops14h 40m

Knock Intl

Tue 9/15

9:10 am-8:05 pm

3 stops39h 55m

$877

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Mon 11/16

5:00 pm-4:50 pm

3 stops18h 50m

Knock Intl

Mon 11/30

2:05 pm-7:25 pm

3 stops34h 20m

$888

NewarkKnock

EWR Newark - NOC Knock Intl

EWRNOC

Newark

Mon 1/4

11:05 am-12:25 pm

2 stops20h 20m

Knock Intl

Mon 1/11

1:00 pm-1:39 pm

2 stops29h 39m

$893
Quickest round-trip

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Thu 9/10

6:25 pm-12:35 pm

2 stops13h 10m

Knock Intl

Tue 9/15

1:05 pm-10:25 pm

2 stops14h 20m

$902

NewarkKnock

EWR Newark - NOC Knock Intl

EWRNOC

Newark

Mon 11/16

6:15 pm-12:25 pm

2 stops61h 10m

Knock Intl

Mon 11/30

1:00 pm-12:02 pm

2 stops52h 02m

$906

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Wed 9/9

12:40 am-8:45 am

3 stops27h 05m

Knock Intl

Tue 9/15

12:20 pm-8:05 pm

3 stops36h 45m

$907

New YorkKnock

JFK New York John F Kennedy Intl - NOC Knock Intl

JFKNOC

New York John F Kennedy Intl

Mon 9/21

4:55 pm-5:15 pm

2 stops19h 20m

Knock Intl

Mon 9/28

1:05 pm-7:20 pm

2 stops35h 15m

$908

NewarkKnock

EWR Newark - NOC Knock Intl

EWRNOC

Newark

Mon 8/24

6:40 pm-12:35 pm

2 stops36h 55m

Knock Intl

Sat 9/5

1:05 pm-2:55 pm

2 stops30h 50m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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Knock flights insights and trends

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How long does it take to fly to Knock?

Flight times from United States to Knock vary, but if you’re flying out of Los Angeles Los Angeles and flying into Shannon (one of the most popular routes), then the duration is 14h 35m on average. Another popular route from United States to Knock is flying from San Francisco to Shannon, which will take roughly 14h 55m. Keep in mind that layovers or delays could extend your travel time.

Cheapest flights to Knock Intl

Find the cheapest flights to Knock Intl from your nearest city or airport

Cheap Knock flight deals and tips

Summary info about Knock flight prices, duration and airlines

Best One-Way Price

$933

Best Round-Trip Price

$842

Fastest flight time

10h 10m
The best one-way flight price to Knock from United States in the last 5 days is $933 (Newark to Knock Intl).
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The best round-trip flight price to Knock from United States in the last 5 days is $842 (Newark to Knock Intl).
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The fastest flight to Knock from United States takes 10h 10m (Newark to Knock Intl).
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Frequently asked questions about flying to Knock

Is there an alternative airport near Knock?

Those flying to Knock could potentially find better pricing at Knock Intl Airport (9 mi from Knock city center), Galway Airport (34 mi from Knock city center) or Donegal Airport (90 mi from Knock city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Knock?

With an average price of $93 per person, Donegal Airport is the cheapest airport to fly into when planning your trip to Knock. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

When did momondo last update prices for flights to Knock Intl Airport?

Prices for flights to Knock Intl Airport refresh daily.

How many operators does momondo search for flights to Knock Intl Airport?

As of August 2026, there are 2 operators available to choose from for flights to Knock Intl Airport.

How old do you have to be to fly to Knock Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Knock Intl Airport.

What documentation or ID do you need to fly to Knock Intl Airport?

The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Newport

Why use momondo?

Why should I use momondo to find a flight deal to Knock?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Knock. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Knock with flexible booking policies on momondo?

All flight searches to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Knock?

momondo provides multiple filters to help you find the best flight to Knock. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Knock right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Knock, momondo offers a useful price alert feature which will track prices for flights to Knock and alert you when they change.

An easier way to manage your Knock Intl trip

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Popular flights to Knock

Popular routes according to searches in the past day on momondo
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