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Cheap flights from the United States to Knock from €529

This is the cheapest return 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 1/5. 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 return flight deals from the United States to Knock

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:35 - 12:35
EWR
-
NOC
17h 00m2 stops
Multiple Airlines Logo
13:05 - 07:39
NOC
-
EWR
47h 34m2 stops
€529Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
15:45 - 12:35
JFK
-
NOC
15h 50m2 stops
Multiple Airlines Logo
13:05 - 21:47
NOC
-
JFK
37h 42m2 stops
€529Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
16:50 - 12:25
JFK
-
NOC
14h 35m2 stops
Multiple Airlines Logo
13:00 - 16:09
NOC
-
JFK
32h 09m2 stops
€531Multiple Airlines
Thu, 19 Feb - Mon, 23 Feb
Aer Lingus Logo
17:45 - 12:25
EWR
-
NOC
13h 40m2 stops
Aer Lingus Logo
13:00 - 16:15
NOC
-
EWR
32h 15m2 stops
€568Aer Lingus
Tue, 27 Jan - Tue, 3 Feb
Multiple Airlines Logo
17:45 - 16:00
EWR
-
NOC
17h 15m2 stops
Multiple Airlines Logo
17:15 - 22:10
NOC
-
EWR
33h 55m3 stops
€573Multiple Airlines
Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
10:00 - 12:25
JFK
-
NOC
21h 25m2 stops
British Airways Logo
13:00 - 13:55
NOC
-
JFK
29h 55m2 stops
€574British Airways
Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
10:15 - 12:25
JFK
-
NOC
21h 10m1 stop
British Airways Logo
13:00 - 13:55
NOC
-
JFK
29h 55m2 stops
€577British Airways
Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
21:50 - 12:25
JFK
-
NOC
9h 35m1 stop
British Airways Logo
13:00 - 13:05
NOC
-
JFK
29h 05m1 stop
€589British Airways
Tue, 27 Jan - Tue, 3 Feb
Aer Lingus Logo
17:40 - 12:35
IAD
-
NOC
13h 55m1 stop
Aer Lingus Logo
13:05 - 20:20
NOC
-
IAD
12h 15m1 stop
€890Aer Lingus
Tue, 2 Jun - Wed, 10 Jun
Aer Lingus Logo
17:40 - 12:35
IAD
-
NOC
13h 55m1 stop
Aer Lingus Logo
13:05 - 20:20
NOC
-
IAD
12h 15m1 stop
€950Aer Lingus
Tue, 2 Jun - Wed, 10 Jun

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
27 Jan
EWR17:45Newark
13h 40m
2 stops
NOC12:25Knock Intl
3 Feb
NOC13:00Knock Intl
32h 15m
2 stops
EWR16:15Newark
€568
Find similar
Aer Lingus
2 Jun
IAD17:40Washington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35Knock Intl
10 Jun
NOC13:05Knock Intl
12h 15m
1 stop
IAD20:20Washington, D.C. Dulles Intl
€890
Find similar
Aer Lingus
2 Jun
IAD17:40Washington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35Knock Intl
10 Jun
NOC13:05Knock Intl
12h 15m
1 stop
IAD20:20Washington, D.C. Dulles Intl
€950
Find similar

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
27 Jan
JFK10:00New York John F Kennedy Intl
21h 25m
2 stops
NOC12:25Knock Intl
3 Feb
NOC13:00Knock Intl
29h 55m
2 stops
JFK13:55New York John F Kennedy Intl
€574
Find similar
British Airways
27 Jan
JFK10:15New York John F Kennedy Intl
21h 10m
1 stop
NOC12:25Knock Intl
3 Feb
NOC13:00Knock Intl
29h 55m
2 stops
JFK13:55New York John F Kennedy Intl
€577
Find similar
British Airways
27 Jan
JFK21:50New York John F Kennedy Intl
9h 35m
1 stop
NOC12:25Knock Intl
3 Feb
NOC13:00Knock Intl
29h 05m
1 stop
JFK13:05New York John F Kennedy Intl
€589
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momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 15 December 2025.
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 1/5

14:35-12:35

2 stops17h 00m

Knock Intl

Fri 8/5

13:05-07:39

2 stops47h 34m

€529

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

15:45-12:35

2 stops15h 50m

Knock Intl

Fri 8/5

13:05-21:47

2 stops37h 42m

€529

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Thu 19/2

16:50-12:25

2 stops14h 35m

Knock Intl

Mon 23/2

13:00-16:09

2 stops32h 09m

€531

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 27/1

17:45-12:25

2 stops13h 40m

Knock Intl

Tue 3/2

13:00-16:15

2 stops32h 15m

€568

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 27/1

17:45-16:00

2 stops17h 15m

Knock Intl

Tue 3/2

17:15-22:10

3 stops33h 55m

€573

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Tue 27/1

10:00-12:25

2 stops21h 25m

Knock Intl

Tue 3/2

13:00-13:55

2 stops29h 55m

€574

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Tue 27/1

10:15-12:25

1 stop21h 10m

Knock Intl

Tue 3/2

13:00-13:55

2 stops29h 55m

€577

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Tue 27/1

21:50-12:25

1 stop9h 35m

Knock Intl

Tue 3/2

13:00-13:05

1 stop29h 05m

€589

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 2/6

17:40-12:35

1 stop13h 55m

Knock Intl

Wed 10/6

13:05-20:20

1 stop12h 15m

€890

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 2/6

17:40-12:35

1 stop13h 55m

Knock Intl

Wed 10/6

13:05-20:20

1 stop12h 15m

€950

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

How long does it take to fly to Knock?

On average, it takes 5h 50m to fly from United States to Knock if you fly out of Boston (the most popular airport in United States) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of New York and into Shannon, Clare, then the flight time is around 6h 20m.

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 were last updated today.

  • How old do you have to be to fly from United States 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 stopovers. 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 you'll need for your trip to Knock Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Knock Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Knock?

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

Why use momondo?

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

Finding the right flight to Knock from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

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

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

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