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Cheap flights from the United States to Knock from €448

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 1/7. 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
15:45 - 16:55
EWR
-
NOC
20h 10m
3 stops
Multiple Airlines Logo
09:10 - 19:15
NOC
-
EWR
39h 05m
3 stops
€721Multiple Airlines
Mon, 17 Aug - Tue, 1 Sep
Multiple Airlines Logo
00:30 - 08:45
JFK
-
NOC
27h 15m
2 stops
Multiple Airlines Logo
09:10 - 22:05
NOC
-
JFK
41h 55m
3 stops
€743Multiple Airlines
Sun, 16 Aug - Tue, 1 Sep
Aer Lingus Logo
19:35 - 12:35
JFK
-
NOC
12h 00m
1 stop
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€757Aer Lingus
Wed, 12 Aug - Tue, 18 Aug
Aer Lingus Logo
23:55 - 12:35
JFK
-
NOC
31h 40m
2 stops
Aer Lingus Logo
13:05 - 16:55
NOC
-
JFK
32h 50m
2 stops
€760Aer Lingus
Wed, 15 Jul - Tue, 21 Jul
Multiple Airlines Logo
18:20 - 13:55
JFK
-
NOC
14h 35m
1 stop
Multiple Airlines Logo
12:20 - 20:05
NOC
-
JFK
36h 45m
2 stops
€773Multiple Airlines
Wed, 15 Jul - Tue, 21 Jul
Aer Lingus Logo
20:20 - 12:35
JFK
-
NOC
11h 15m
1 stop
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€782Aer Lingus
Thu, 13 Aug - Wed, 19 Aug
Multiple Airlines Logo
16:30 - 12:35
EWR
-
NOC
15h 05m
2 stops
Multiple Airlines Logo
13:05 - 09:10
NOC
-
EWR
25h 05m
2 stops
€784Multiple Airlines
Mon, 17 Aug - Tue, 1 Sep
British Airways Logo
18:35 - 12:25
EWR
-
NOC
12h 50m
1 stop
British Airways Logo
13:00 - 13:50
NOC
-
EWR
29h 50m
1 stop
€830British Airways
Sun, 15 Nov - Thu, 19 Nov
British Airways Logo
18:20 - 12:25
IAD
-
NOC
13h 05m
1 stop
British Airways Logo
13:00 - 15:35
NOC
-
IAD
31h 35m
1 stop
€949British Airways
Sun, 8 Nov - Sat, 14 Nov
British Airways Logo
13:58 - 12:25
IAD
-
NOC
17h 27m
2 stops
British Airways Logo
13:00 - 15:35
NOC
-
IAD
31h 35m
1 stop
€973British Airways
Sun, 8 Nov - Sat, 14 Nov

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
12 Aug
JFK19:35New York John F Kennedy Intl
12h 00m
1 stop
NOC12:35Knock Intl
18 Aug
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€757
Aer Lingus
15 Jul
JFK23:55New York John F Kennedy Intl
31h 40m
2 stops
NOC12:35Knock Intl
21 Jul
NOC13:05Knock Intl
32h 50m
2 stops
JFK16:55New York John F Kennedy Intl
€760
Aer Lingus
13 Aug
JFK20:20New York John F Kennedy Intl
11h 15m
1 stop
NOC12:35Knock Intl
19 Aug
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€782

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
18 Jun
JFK20:20New York John F Kennedy Intl
11h 15m
1 stop
NOC12:35Knock Intl
25 Jun
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€820
British Airways
18 Jun
JFK20:20New York John F Kennedy Intl
11h 15m
1 stop
NOC12:35Knock Intl
25 Jun
NOC13:05Knock Intl
13h 00m
1 stop
JFK21:05New York John F Kennedy Intl
€829
British Airways
30 Oct
JFK18:50New York John F Kennedy Intl
13h 35m
1 stop
NOC12:25Knock Intl
3 Nov
NOC13:00Knock Intl
31h 30m
2 stops
JFK15:30New York John F Kennedy Intl
€829

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 20 May 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 return flight

NewarkKnock

EWR - NOC

EWRNOC

Newark

Mon 17/8

15:45-16:55

3 stops20h 10m

Knock Intl

Tue 1/9

09:10-19:15

3 stops39h 05m

€721

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 16/8

00:30-08:45

2 stops27h 15m

Knock Intl

Tue 1/9

09:10-22:05

3 stops41h 55m

€743

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 12/8

19:35-12:35

1 stop12h 00m

Knock Intl

Tue 18/8

13:05-22:25

2 stops14h 20m

€757

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 15/7

23:55-12:35

2 stops31h 40m

Knock Intl

Tue 21/7

13:05-16:55

2 stops32h 50m

€760

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 15/7

18:20-13:55

1 stop14h 35m

Knock Intl

Tue 21/7

12:20-20:05

2 stops36h 45m

€773
Fastest return journey

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Thu 13/8

20:20-12:35

1 stop11h 15m

Knock Intl

Wed 19/8

13:05-22:25

2 stops14h 20m

€782

NewarkKnock

EWR - NOC

EWRNOC

Newark

Mon 17/8

16:30-12:35

2 stops15h 05m

Knock Intl

Tue 1/9

13:05-09:10

2 stops25h 05m

€784

NewarkKnock

EWR - NOC

EWRNOC

Newark

Sun 15/11

18:35-12:25

1 stop12h 50m

Knock Intl

Thu 19/11

13:00-13:50

1 stop29h 50m

€830

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 8/11

18:20-12:25

1 stop13h 05m

Knock Intl

Sat 14/11

13:00-15:35

1 stop31h 35m

€949

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 8/11

13:58-12:25

2 stops17h 27m

Knock Intl

Sat 14/11

13:00-15:35

1 stop31h 35m

€973

Flights are sorted by cheapest return 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

What is the cheapest airline that flies from United States to Knock Intl?

British Airways and Aer Lingus are the most popular carriers operating from United States to Knock Intl

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 45m

Direct flights

None
The fastest flight from United States to Knock takes 10h 45m
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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Frequently asked questions about flying from the United States to Knock

  • 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.

An easier way to manage your Knock trip

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