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Cheap flights from the United States to Knock from €268

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 8/5. 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
18:00 - 12:35
EWR
-
NOC
61h 35m
2 stops
Multiple Airlines Logo
13:05 - 19:35
NOC
-
EWR
35h 30m
2 stops
€637Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Aer Lingus Logo
16:55 - 12:35
JFK
-
NOC
14h 40m
2 stops
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€642Aer Lingus
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
15:45 - 12:35
EWR
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
13:05 - 14:55
NOC
-
EWR
30h 50m
2 stops
€650Multiple Airlines
Fri, 1 May - Fri, 8 May
Aer Lingus Logo
07:50 - 12:35
JFK
-
NOC
23h 45m
1 stop
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€659Aer Lingus
Fri, 1 May - Fri, 8 May
Aer Lingus Logo
16:55 - 12:35
JFK
-
NOC
14h 40m
2 stops
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€677Aer Lingus
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
19:50 - 12:35
EWR
-
NOC
11h 45m
1 stop
Multiple Airlines Logo
13:05 - 21:20
NOC
-
EWR
13h 15m
1 stop
€691Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Aer Lingus Logo
16:55 - 12:35
JFK
-
NOC
14h 40m
2 stops
Aer Lingus Logo
13:05 - 16:55
NOC
-
JFK
32h 50m
2 stops
€698Aer Lingus
Wed, 12 Aug - Tue, 18 Aug
British Airways Logo
14:00 - 12:35
EWR
-
NOC
17h 35m
2 stops
British Airways Logo
13:05 - 22:25
NOC
-
EWR
38h 20m
2 stops
€700British Airways
Mon, 4 May - Sun, 10 May
British Airways Logo
14:59 - 12:35
JFK
-
NOC
16h 36m
2 stops
British Airways Logo
13:05 - 18:55
NOC
-
JFK
34h 50m
2 stops
€700British Airways
Mon, 4 May - Sun, 10 May
British Airways Logo
17:15 - 12:35
JFK
-
NOC
14h 20m
2 stops
British Airways Logo
13:05 - 21:05
NOC
-
JFK
13h 00m
1 stop
€704British Airways
Mon, 4 May - Sun, 10 May

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
1 May
JFK16:55New York John F Kennedy Intl
14h 40m
2 stops
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€642
Aer Lingus
1 May
JFK07:50New York John F Kennedy Intl
23h 45m
1 stop
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€659
Aer Lingus
1 May
JFK16:55New York John F Kennedy Intl
14h 40m
2 stops
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€677

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
4 May
EWR14:00Newark
17h 35m
2 stops
NOC12:35Knock Intl
10 May
NOC13:05Knock Intl
38h 20m
2 stops
EWR22:25Newark
€700
British Airways
4 May
JFK17:15New York John F Kennedy Intl
14h 20m
2 stops
NOC12:35Knock Intl
10 May
NOC13:05Knock Intl
13h 00m
1 stop
JFK21:05New York John F Kennedy Intl
€704
British Airways
6 May
JFK18:40New York John F Kennedy Intl
12h 55m
1 stop
NOC12:35Knock Intl
10 May
NOC13:05Knock Intl
31h 54m
2 stops
JFK15:59New York John F Kennedy Intl
€731

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 March 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

Wed 29/4

18:00-12:35

2 stops61h 35m

Knock Intl

Wed 6/5

13:05-19:35

2 stops35h 30m

€637

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

16:55-12:35

2 stops14h 40m

Knock Intl

Fri 8/5

13:05-22:25

2 stops14h 20m

€642

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 1/5

15:45-12:35

2 stops15h 50m

Knock Intl

Fri 8/5

13:05-14:55

2 stops30h 50m

€650

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

07:50-12:35

1 stop23h 45m

Knock Intl

Fri 8/5

13:05-22:25

2 stops14h 20m

€659

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

16:55-12:35

2 stops14h 40m

Knock Intl

Fri 8/5

13:05-22:25

2 stops14h 20m

€677
Fastest return journey

NewarkKnock

EWR - NOC

EWRNOC

Newark

Wed 29/4

19:50-12:35

1 stop11h 45m

Knock Intl

Wed 6/5

13:05-21:20

1 stop13h 15m

€691

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 12/8

16:55-12:35

2 stops14h 40m

Knock Intl

Tue 18/8

13:05-16:55

2 stops32h 50m

€698

NewarkKnock

EWR - NOC

EWRNOC

Newark

Mon 4/5

14:00-12:35

2 stops17h 35m

Knock Intl

Sun 10/5

13:05-22:25

2 stops38h 20m

€700

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 4/5

14:59-12:35

2 stops16h 36m

Knock Intl

Sun 10/5

13:05-18:55

2 stops34h 50m

€700

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 4/5

17:15-12:35

2 stops14h 20m

Knock Intl

Sun 10/5

13:05-21:05

1 stop13h 00m

€704

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 40m

Direct flights

None
The fastest flight from United States to Knock takes 9h 40m
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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