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Cheap flights from the United States to Knock from $347

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 4/27. 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
8:15 am - 8:45 am
JFK
-
NOC
19h 30m
1 stop
Multiple Airlines Logo
9:10 am - 8:05 pm
NOC
-
JFK
39h 55m
3 stops
$766Multiple Airlines
Mon, May 11 - Wed, May 20
Multiple Airlines Logo
5:35 pm - 12:35 pm
EWR
-
NOC
14h 00m
2 stops
Multiple Airlines Logo
9:10 am - 9:00 pm
NOC
-
EWR
40h 50m
3 stops
$798Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
10:05 pm - 2:55 pm
JFK
-
NOC
35h 50m
2 stops
Multiple Airlines Logo
3:20 pm - 3:55 pm
NOC
-
JFK
29h 35m
1 stop
$804Multiple Airlines
Mon, May 11 - Wed, May 20
Multiple Airlines Logo
4:30 pm - 4:30 pm
EWR
-
NOC
19h 00m
3 stops
Multiple Airlines Logo
5:35 pm - 9:00 pm
NOC
-
EWR
32h 25m
3 stops
$808Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
5:35 pm - 4:45 pm
EWR
-
NOC
18h 10m
2 stops
Multiple Airlines Logo
5:35 pm - 9:00 pm
NOC
-
EWR
32h 25m
2 stops
$814Multiple Airlines
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
6:00 am - 12:35 pm
EWR
-
NOC
25h 35m
2 stops
Multiple Airlines Logo
1:05 pm - 2:55 pm
NOC
-
EWR
30h 50m
2 stops
$828Multiple Airlines
Fri, May 1 - Fri, May 8
British Airways Logo
6:30 pm - 12:35 pm
JFK
-
NOC
13h 05m
1 stop
British Airways Logo
1:05 pm - 12:25 pm
NOC
-
JFK
28h 20m
2 stops
$829British Airways
Sun, Sep 6 - Thu, Sep 10
British Airways Logo
5:50 pm - 12:35 pm
EWR
-
NOC
13h 45m
1 stop
British Airways Logo
1:05 pm - 1:55 pm
NOC
-
EWR
29h 50m
1 stop
$833British Airways
Sun, Sep 6 - Thu, Sep 10
British Airways Logo
7:20 pm - 12:35 pm
JFK
-
NOC
12h 15m
1 stop
British Airways Logo
1:05 pm - 2:25 pm
NOC
-
JFK
30h 20m
1 stop
$833British Airways
Sun, Sep 6 - Thu, Sep 10
Aer Lingus Logo
5:15 pm - 12:35 pm
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$1,126Aer Lingus
Wed, May 13 - Wed, May 20

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
Sep 23
EWR9:25 pmNewark
10h 10m
1 stop
NOC12:35 pmKnock Intl
Sep 30
NOC1:05 pmKnock Intl
11h 20m
1 stop
EWR7:25 pmNewark
$870
Aer Lingus
Apr 16
JFK4:55 pmNew York John F Kennedy Intl
14h 40m
2 stops
NOC12:35 pmKnock Intl
Apr 23
NOC1:05 pmKnock Intl
14h 20m
2 stops
JFK10:25 pmNew York John F Kennedy Intl
$917
Aer Lingus
May 12
EWR9:25 pmNewark
10h 10m
1 stop
NOC12:35 pmKnock Intl
May 19
NOC1:05 pmKnock Intl
11h 20m
1 stop
EWR7:25 pmNewark
$943

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
Sep 6
JFK6:30 pmNew York John F Kennedy Intl
13h 05m
1 stop
NOC12:35 pmKnock Intl
Sep 10
NOC1:05 pmKnock Intl
28h 20m
2 stops
JFK12:25 pmNew York John F Kennedy Intl
$829
British Airways
Sep 6
JFK7:20 pmNew York John F Kennedy Intl
12h 15m
1 stop
NOC12:35 pmKnock Intl
Sep 10
NOC1:05 pmKnock Intl
30h 20m
1 stop
JFK2:25 pmNew York John F Kennedy Intl
$833
British Airways
Sep 6
JFK2:30 pmNew York John F Kennedy Intl
17h 05m
2 stops
NOC12:35 pmKnock Intl
Sep 10
NOC1:05 pmKnock Intl
32h 05m
2 stops
JFK4:10 pmNew York John F Kennedy Intl
$841

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 March 30, 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

Cheapest round-trip

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 5/11

8:15 am-8:45 am

1 stop19h 30m

Knock Intl

Wed 5/20

9:10 am-8:05 pm

3 stops39h 55m

$766

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 5/12

5:35 pm-12:35 pm

2 stops14h 00m

Knock Intl

Tue 5/19

9:10 am-9:00 pm

3 stops40h 50m

$798

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 5/11

10:05 pm-2:55 pm

2 stops35h 50m

Knock Intl

Wed 5/20

3:20 pm-3:55 pm

1 stop29h 35m

$804

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 5/12

4:30 pm-4:30 pm

3 stops19h 00m

Knock Intl

Tue 5/19

5:35 pm-9:00 pm

3 stops32h 25m

$808

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 5/12

5:35 pm-4:45 pm

2 stops18h 10m

Knock Intl

Tue 5/19

5:35 pm-9:00 pm

2 stops32h 25m

$814

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 5/1

6:00 am-12:35 pm

2 stops25h 35m

Knock Intl

Fri 5/8

1:05 pm-2:55 pm

2 stops30h 50m

$828

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 9/6

6:30 pm-12:35 pm

1 stop13h 05m

Knock Intl

Thu 9/10

1:05 pm-12:25 pm

2 stops28h 20m

$829

NewarkKnock

EWR - NOC

EWRNOC

Newark

Sun 9/6

5:50 pm-12:35 pm

1 stop13h 45m

Knock Intl

Thu 9/10

1:05 pm-1:55 pm

1 stop29h 50m

$833

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 9/6

7:20 pm-12:35 pm

1 stop12h 15m

Knock Intl

Thu 9/10

1:05 pm-2:25 pm

1 stop30h 20m

$833
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 5/13

5:15 pm-12:35 pm

2 stops14h 20m

Knock Intl

Wed 5/20

1:05 pm-8:20 pm

1 stop12h 15m

$1,126

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knock from

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

10h 10m

Direct flights

None
The fastest flight from United States to Knock takes 10h 10m
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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