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Cheap flights from the United States to Knock from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Knock departing on 3/23. 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
0 bags

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Find the cheapest flights from the United States to Knock

Recent round-trip flight deals from the United States to Knock

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:35 pm - 12:35 pm
EWR
-
NOC
17h 00m
2 stops
Multiple Airlines Logo
1:05 pm - 5:12 pm
NOC
-
EWR
33h 07m
2 stops
$615Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
3:50 pm - 12:35 pm
JFK
-
NOC
15h 45m
2 stops
Multiple Airlines Logo
1:05 pm - 9:47 pm
NOC
-
JFK
37h 42m
2 stops
$615Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
2:35 pm - 12:35 pm
EWR
-
NOC
17h 00m
2 stops
Multiple Airlines Logo
1:05 pm - 8:08 am
NOC
-
EWR
24h 03m
2 stops
$619Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
8:45 pm - 12:25 pm
EWR
-
NOC
10h 40m
1 stop
Multiple Airlines Logo
1:00 pm - 4:30 pm
NOC
-
EWR
31h 30m
1 stop
$652Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Aer Lingus Logo
6:30 pm - 12:25 pm
JFK
-
NOC
12h 55m
2 stops
Aer Lingus Logo
1:00 pm - 5:25 pm
NOC
-
JFK
32h 25m
2 stops
$691Aer Lingus
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
8:55 pm - 12:35 pm
JFK
-
NOC
10h 40m
1 stop
British Airways Logo
1:05 pm - 10:15 pm
NOC
-
JFK
14h 10m
2 stops
$694British Airways
Fri, May 1 - Fri, May 8
British Airways Logo
6:20 pm - 12:35 pm
JFK
-
NOC
13h 15m
1 stop
British Airways Logo
1:05 pm - 4:55 pm
NOC
-
JFK
32h 50m
2 stops
$697British Airways
Fri, May 1 - Fri, May 8
Aer Lingus Logo
9:00 pm - 12:25 pm
ORD
-
NOC
33h 25m
2 stops
Aer Lingus Logo
1:00 pm - 7:15 pm
NOC
-
ORD
36h 15m
2 stops
$698Aer Lingus
Tue, Feb 17 - Tue, Feb 24
British Airways Logo
8:55 pm - 12:35 pm
JFK
-
NOC
10h 40m
1 stop
British Airways Logo
1:05 pm - 4:55 pm
NOC
-
JFK
32h 50m
2 stops
$698British Airways
Fri, May 1 - Fri, May 8
Aer Lingus Logo
6:05 pm - 12:25 pm
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
1:00 pm - 4:35 pm
NOC
-
IAD
31h 35m
2 stops
$837Aer Lingus
Thu, Mar 19 - Sun, Mar 22

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
May 1
JFK8:55 pmNew York John F Kennedy Intl
10h 40m
1 stop
NOC12:35 pmKnock Intl
May 8
NOC1:05 pmKnock Intl
14h 10m
2 stops
JFK10:15 pmNew York John F Kennedy Intl
$694
British Airways
May 1
JFK6:20 pmNew York John F Kennedy Intl
13h 15m
1 stop
NOC12:35 pmKnock Intl
May 8
NOC1:05 pmKnock Intl
32h 50m
2 stops
JFK4:55 pmNew York John F Kennedy Intl
$697
British Airways
May 1
JFK8:55 pmNew York John F Kennedy Intl
10h 40m
1 stop
NOC12:35 pmKnock Intl
May 8
NOC1:05 pmKnock Intl
32h 50m
2 stops
JFK4:55 pmNew York John F Kennedy Intl
$698

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
Mar 5
JFK6:30 pmNew York John F Kennedy Intl
12h 55m
2 stops
NOC12:25 pmKnock Intl
Mar 12
NOC1:00 pmKnock Intl
32h 25m
2 stops
JFK5:25 pmNew York John F Kennedy Intl
$691
Aer Lingus
Feb 17
ORD9:00 pmChicago O'Hare Intl
33h 25m
2 stops
NOC12:25 pmKnock Intl
Feb 24
NOC1:00 pmKnock Intl
36h 15m
2 stops
ORD7:15 pmChicago O'Hare Intl
$698
Aer Lingus
Jul 14
JFK6:25 pmNew York John F Kennedy Intl
13h 10m
2 stops
NOC12:35 pmKnock Intl
Aug 15
NOC1:05 pmKnock Intl
32h 50m
2 stops
JFK4:55 pmNew York John F Kennedy Intl
$726

momondo Fare Finder

 
Customize your flight search to find flights from United States to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from the United States to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 5/1

2:35 pm-12:35 pm

2 stops17h 00m

Knock Intl

Fri 5/8

1:05 pm-5:12 pm

2 stops33h 07m

$615

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 5/1

3:50 pm-12:35 pm

2 stops15h 45m

Knock Intl

Fri 5/8

1:05 pm-9:47 pm

2 stops37h 42m

$615

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 5/1

2:35 pm-12:35 pm

2 stops17h 00m

Knock Intl

Fri 5/8

1:05 pm-8:08 am

2 stops24h 03m

$619

NewarkKnock

EWR - NOC

EWRNOC

Newark

Thu 3/5

8:45 pm-12:25 pm

1 stop10h 40m

Knock Intl

Thu 3/12

1:00 pm-4:30 pm

1 stop31h 30m

$652

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Thu 3/5

6:30 pm-12:25 pm

2 stops12h 55m

Knock Intl

Thu 3/12

1:00 pm-5:25 pm

2 stops32h 25m

$691

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 5/1

8:55 pm-12:35 pm

1 stop10h 40m

Knock Intl

Fri 5/8

1:05 pm-10:15 pm

2 stops14h 10m

$694

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 5/1

6:20 pm-12:35 pm

1 stop13h 15m

Knock Intl

Fri 5/8

1:05 pm-4:55 pm

2 stops32h 50m

$697

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 2/17

9:00 pm-12:25 pm

2 stops33h 25m

Knock Intl

Tue 2/24

1:00 pm-7:15 pm

2 stops36h 15m

$698

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 5/1

8:55 pm-12:35 pm

1 stop10h 40m

Knock Intl

Fri 5/8

1:05 pm-4:55 pm

2 stops32h 50m

$698

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 3/19

6:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Sun 3/22

1:00 pm-4:35 pm

2 stops31h 35m

$837

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from United States to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on United States to Knock flights?

You could potentially save up to 6% on your flight if you consider stops on a United States to Knock flight.

Cheap United States to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Knock

Fastest flight time

9h 35m

Direct flights

None
The fastest flight from United States to Knock takes 9h 35m
There are no direct flights from United States to Knock. There are no popular flight routes from United States to Knock.
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  • When did momondo last update prices for flights from United States to Knock Intl Airport?

    Prices for flights from United States to Knock Intl Airport refresh daily.

  • How old do you have to be to fly from United States to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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
Newport
Carrick-on-Shannon

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for United States to Knock flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Knock?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Knock.

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

If you are not ready to book a flight from United States to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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Mon 3/9
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