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Cheap flights from the United States to Knock from €279

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 22/3. 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.
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
€592Aer Lingus
Wed, 12 Aug - Tue, 18 Aug
Aer Lingus Logo
21:05 - 12:35
JFK
-
NOC
34h 30m
2 stops
Aer Lingus Logo
13:05 - 22:25
NOC
-
JFK
14h 20m
2 stops
€594Aer Lingus
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
11:25 - 12:35
EWR
-
NOC
20h 10m
2 stops
Multiple Airlines Logo
13:05 - 19:52
NOC
-
EWR
35h 47m
2 stops
€602Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
16:30 - 12:35
EWR
-
NOC
15h 05m
2 stops
Multiple Airlines Logo
13:05 - 15:02
NOC
-
EWR
30h 57m
2 stops
€606Multiple Airlines
Thu, 16 Apr - Tue, 21 Apr
Multiple Airlines Logo
18:20 - 17:30
JFK
-
NOC
18h 10m
1 stop
Multiple Airlines Logo
17:20 - 20:05
NOC
-
JFK
31h 45m
2 stops
€606Multiple Airlines
Thu, 16 Apr - Tue, 21 Apr
Aer Lingus Logo
19:10 - 12:35
JFK
-
NOC
12h 25m
1 stop
Aer Lingus Logo
13:05 - 16:55
NOC
-
JFK
32h 50m
2 stops
€608Aer Lingus
Wed, 12 Aug - Tue, 18 Aug
Multiple Airlines Logo
23:10 - 08:45
JFK
-
NOC
28h 35m
2 stops
Multiple Airlines Logo
18:55 - 15:55
NOC
-
JFK
26h 00m
1 stop
€609Multiple Airlines
Sun, 12 Apr - Fri, 17 Apr
British Airways Logo
21:25 - 12:35
EWR
-
NOC
10h 10m
1 stop
British Airways Logo
13:05 - 19:25
NOC
-
EWR
11h 20m
1 stop
€647British Airways
Fri, 1 May - Fri, 8 May
British Airways Logo
19:05 - 12:35
ORD
-
NOC
11h 30m
1 stop
British Airways Logo
13:05 - 12:30
NOC
-
ORD
29h 25m
1 stop
€707British Airways
Tue, 4 Aug - Tue, 11 Aug
British Airways Logo
12:44 - 12:35
SJC
-
NOC
39h 51m
2 stops
British Airways Logo
13:05 - 22:59
NOC
-
SJC
41h 54m
2 stops
€833British Airways
Wed, 6 May - Sun, 10 May

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
1 May
EWR21:25Newark
10h 10m
1 stop
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
11h 20m
1 stop
EWR19:25Newark
€647
British Airways
12 Aug
JFK07:50New York John F Kennedy Intl
23h 45m
1 stop
NOC12:35Knock Intl
18 Aug
NOC13:05Knock Intl
32h 55m
1 stop
JFK17:00New York John F Kennedy Intl
€662
British Airways
6 Sept
JFK19:35New York John F Kennedy Intl
12h 00m
1 stop
NOC12:35Knock Intl
11 Sept
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€680

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
12 Aug
JFK23:55New York John F Kennedy Intl
31h 40m
2 stops
NOC12:35Knock Intl
18 Aug
NOC13:05Knock Intl
32h 50m
2 stops
JFK16:55New York John F Kennedy Intl
€592
Aer Lingus
1 May
JFK21:05New York John F Kennedy Intl
34h 30m
2 stops
NOC12:35Knock Intl
8 May
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€594
Aer Lingus
12 Aug
JFK19:10New York John F Kennedy Intl
12h 25m
1 stop
NOC12:35Knock Intl
18 Aug
NOC13:05Knock Intl
32h 50m
2 stops
JFK16:55New York John F Kennedy Intl
€608

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 12 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

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 12/8

23:55-12:35

2 stops31h 40m

Knock Intl

Tue 18/8

13:05-16:55

2 stops32h 50m

€592

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 1/5

21:05-12:35

2 stops34h 30m

Knock Intl

Fri 8/5

13:05-22:25

2 stops14h 20m

€594

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 1/5

11:25-12:35

2 stops20h 10m

Knock Intl

Fri 8/5

13:05-19:52

2 stops35h 47m

€602

NewarkKnock

EWR - NOC

EWRNOC

Newark

Thu 16/4

16:30-12:35

2 stops15h 05m

Knock Intl

Tue 21/4

13:05-15:02

2 stops30h 57m

€606

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Thu 16/4

18:20-17:30

1 stop18h 10m

Knock Intl

Tue 21/4

17:20-20:05

2 stops31h 45m

€606

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Wed 12/8

19:10-12:35

1 stop12h 25m

Knock Intl

Tue 18/8

13:05-16:55

2 stops32h 50m

€608

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 12/4

23:10-08:45

2 stops28h 35m

Knock Intl

Fri 17/4

18:55-15:55

1 stop26h 00m

€609
Fastest return journey

NewarkKnock

EWR - NOC

EWRNOC

Newark

Fri 1/5

21:25-12:35

1 stop10h 10m

Knock Intl

Fri 8/5

13:05-19:25

1 stop11h 20m

€647

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Tue 4/8

19:05-12:35

1 stop11h 30m

Knock Intl

Tue 11/8

13:05-12:30

1 stop29h 25m

€707

San JoseKnock

SJC - NOC

SJCNOC

San Jose

Wed 6/5

12:44-12:35

2 stops39h 51m

Knock Intl

Sun 10/5

13:05-22:59

2 stops41h 54m

€833

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Aer Lingus and British Airways 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 40m

Direct flights

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