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Cheap flights from the United States to Knock from €370

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 2/7. 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
09:00 - 12:35
JFK
-
NOC
22h 35m
2 stops
Multiple Airlines Logo
13:05 - 21:47
NOC
-
JFK
37h 42m
2 stops
€516Multiple Airlines
Wed, 29 Apr - Thu, 7 May
Multiple Airlines Logo
14:35 - 12:35
EWR
-
NOC
17h 00m
2 stops
Multiple Airlines Logo
13:05 - 19:52
NOC
-
EWR
35h 47m
2 stops
€521Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
15:50 - 12:35
JFK
-
NOC
15h 45m
2 stops
Multiple Airlines Logo
13:05 - 21:47
NOC
-
JFK
37h 42m
2 stops
€521Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
14:20 - 12:25
EWR
-
NOC
17h 05m
2 stops
Multiple Airlines Logo
13:00 - 10:25
NOC
-
EWR
26h 25m
2 stops
€525Multiple Airlines
Fri, 27 Feb - Mon, 2 Mar
British Airways Logo
17:00 - 12:25
JFK
-
NOC
14h 25m
2 stops
British Airways Logo
13:00 - 13:55
NOC
-
JFK
29h 55m
2 stops
€579British Airways
Fri, 27 Feb - Mon, 2 Mar
British Airways Logo
10:15 - 12:25
JFK
-
NOC
21h 10m
1 stop
British Airways Logo
13:00 - 19:29
NOC
-
JFK
35h 29m
2 stops
€581British Airways
Fri, 27 Feb - Mon, 2 Mar
British Airways Logo
20:05 - 12:35
JFK
-
NOC
11h 30m
1 stop
British Airways Logo
13:05 - 16:55
NOC
-
JFK
32h 50m
2 stops
€590British Airways
Fri, 1 May - Fri, 8 May
Aer Lingus Logo
20:40 - 12:35
IAD
-
NOC
34h 55m
2 stops
Aer Lingus Logo
13:05 - 15:50
NOC
-
IAD
31h 45m
1 stop
€1,212Aer Lingus
Sun, 21 Jun - Sun, 28 Jun
Aer Lingus Logo
17:40 - 12:35
IAD
-
NOC
13h 55m
1 stop
Aer Lingus Logo
13:05 - 15:50
NOC
-
IAD
31h 45m
1 stop
€1,264Aer Lingus
Sun, 21 Jun - Sun, 28 Jun
Aer Lingus Logo
17:40 - 12:35
IAD
-
NOC
13h 55m
1 stop
Aer Lingus Logo
13:05 - 15:50
NOC
-
IAD
31h 45m
1 stop
€1,267Aer Lingus
Sun, 21 Jun - Sun, 28 Jun

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
27 Feb
JFK17:00New York John F Kennedy Intl
14h 25m
2 stops
NOC12:25Knock Intl
2 Mar
NOC13:00Knock Intl
29h 55m
2 stops
JFK13:55New York John F Kennedy Intl
€579
British Airways
27 Feb
JFK10:15New York John F Kennedy Intl
21h 10m
1 stop
NOC12:25Knock Intl
2 Mar
NOC13:00Knock Intl
35h 29m
2 stops
JFK19:29New York John F Kennedy Intl
€581
British Airways
1 May
JFK20:05New York John F Kennedy Intl
11h 30m
1 stop
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
32h 50m
2 stops
JFK16:55New York John F Kennedy Intl
€590

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
2 Jul
JFK16:55New York John F Kennedy Intl
14h 40m
2 stops
NOC12:35Knock Intl
7 Jul
NOC13:05Knock Intl
14h 10m
2 stops
JFK22:15New York John F Kennedy Intl
€830
Aer Lingus
2 Jul
EWR17:35Newark
14h 00m
2 stops
NOC12:35Knock Intl
11 Jul
NOC13:05Knock Intl
32h 00m
2 stops
EWR16:05Newark
€938
Aer Lingus
2 Jul
EWR21:25Newark
10h 10m
1 stop
NOC12:35Knock Intl
11 Jul
NOC13:05Knock Intl
32h 00m
2 stops
EWR16:05Newark
€954

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 3 February 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

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 29/4

09:00-12:35

2 stops22h 35m

Knock Intl

Thu 7/5

13:05-21:47

2 stops37h 42m

€516

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 1/5

14:35-12:35

2 stops17h 00m

Knock Intl

Fri 8/5

13:05-19:52

2 stops35h 47m

€521

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

15:50-12:35

2 stops15h 45m

Knock Intl

Fri 8/5

13:05-21:47

2 stops37h 42m

€521

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 27/2

14:20-12:25

2 stops17h 05m

Knock Intl

Mon 2/3

13:00-10:25

2 stops26h 25m

€525

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 27/2

17:00-12:25

2 stops14h 25m

Knock Intl

Mon 2/3

13:00-13:55

2 stops29h 55m

€579

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 27/2

10:15-12:25

1 stop21h 10m

Knock Intl

Mon 2/3

13:00-19:29

2 stops35h 29m

€581

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

20:05-12:35

1 stop11h 30m

Knock Intl

Fri 8/5

13:05-16:55

2 stops32h 50m

€590

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 21/6

20:40-12:35

2 stops34h 55m

Knock Intl

Sun 28/6

13:05-15:50

1 stop31h 45m

€1,212

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 21/6

17:40-12:35

1 stop13h 55m

Knock Intl

Sun 28/6

13:05-15:50

1 stop31h 45m

€1,264

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 21/6

17:40-12:35

1 stop13h 55m

Knock Intl

Sun 28/6

13:05-15:50

1 stop31h 45m

€1,267

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 is the most popular carrier 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

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.
Search flight deals

  • 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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