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Cheap flights from the United States to Knock from €218

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 31/8. 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
1 adult, Economy, 0 bags

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
18:20 - 17:20
JFK
-
NOC
18h 00m
2 stops
Multiple Airlines Logo
11:15 - 19:20
NOC
-
JFK
37h 05m
3 stops
€680Multiple Airlines
Sun, 6 Sep - Tue, 15 Sep
Multiple Airlines Logo
06:00 - 13:55
EWR
-
NOC
26h 55m
3 stops
Multiple Airlines Logo
14:35 - 23:10
NOC
-
EWR
36h 35m
3 stops
€684Multiple Airlines
Wed, 21 Oct - Sun, 25 Oct
Multiple Airlines Logo
16:55 - 12:35
JFK
-
NOC
14h 40m
2 stops
Multiple Airlines Logo
08:55 - 22:25
NOC
-
JFK
42h 30m
3 stops
€715Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
18:20 - 17:20
JFK
-
NOC
18h 00m
2 stops
Multiple Airlines Logo
08:55 - 12:20
NOC
-
JFK
32h 25m
3 stops
€717Multiple Airlines
Sun, 13 Sep - Sun, 20 Sep
Multiple Airlines Logo
18:30 - 12:35
JFK
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
08:55 - 22:25
NOC
-
JFK
42h 30m
3 stops
€718Multiple Airlines
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
18:20 - 17:20
JFK
-
NOC
18h 00m
2 stops
Multiple Airlines Logo
12:20 - 12:20
NOC
-
JFK
29h 00m
2 stops
€723Multiple Airlines
Sun, 6 Sep - Tue, 15 Sep
Multiple Airlines Logo
17:10 - 12:35
JFK
-
NOC
14h 25m
2 stops
Multiple Airlines Logo
13:05 - 15:40
NOC
-
JFK
31h 35m
3 stops
€730Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
Multiple Airlines Logo
20:30 - 17:10
JFK
-
NOC
15h 40m
3 stops
Multiple Airlines Logo
08:55 - 20:05
NOC
-
JFK
40h 10m
3 stops
€739Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
Multiple Airlines Logo
16:55 - 16:45
JFK
-
NOC
18h 50m
2 stops
Multiple Airlines Logo
08:55 - 20:05
NOC
-
JFK
40h 10m
3 stops
€740Multiple Airlines
Tue, 13 Oct - Sat, 17 Oct
Multiple Airlines Logo
16:55 - 17:15
JFK
-
NOC
19h 20m
2 stops
Multiple Airlines Logo
13:05 - 19:20
NOC
-
JFK
35h 15m
2 stops
€746Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep

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British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
11 Sept
EWR21:25Newark
10h 10m
1 stop
NOC12:35Knock Intl
18 Sept
NOC13:05Knock Intl
11h 20m
1 stop
EWR19:25Newark
€813
British Airways
6 Sept
JFK19:10New York John F Kennedy Intl
12h 25m
1 stop
NOC12:35Knock Intl
15 Sept
NOC13:05Knock Intl
11h 35m
1 stop
JFK19:40New York John F Kennedy Intl
€818
British Airways
11 Sept
JFK19:15New York John F Kennedy Intl
12h 20m
1 stop
NOC12:35Knock Intl
14 Sept
NOC13:05Knock Intl
27h 05m
1 stop
JFK11:10New York John F Kennedy Intl
€836

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
6 Sept
JFK20:55New York John F Kennedy Intl
10h 40m
1 stop
NOC12:35Knock Intl
15 Sept
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€796
Aer Lingus
14 Sept
JFK18:25New York John F Kennedy Intl
13h 10m
2 stops
NOC12:35Knock Intl
21 Sept
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€814
Aer Lingus
13 Sept
JFK19:35New York John F Kennedy Intl
12h 00m
1 stop
NOC12:35Knock Intl
20 Sept
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€826

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 1 August 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

Sun 6/9

18:20-17:20

2 stops18h 00m

Knock Intl

Tue 15/9

11:15-19:20

3 stops37h 05m

€680

NewarkKnock

EWR - NOC

EWRNOC

Newark

Wed 21/10

06:00-13:55

3 stops26h 55m

Knock Intl

Sun 25/10

14:35-23:10

3 stops36h 35m

€684

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 11/9

16:55-12:35

2 stops14h 40m

Knock Intl

Fri 18/9

08:55-22:25

3 stops42h 30m

€715

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 13/9

18:20-17:20

2 stops18h 00m

Knock Intl

Sun 20/9

08:55-12:20

3 stops32h 25m

€717

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Fri 11/9

18:30-12:35

1 stop13h 05m

Knock Intl

Fri 18/9

08:55-22:25

3 stops42h 30m

€718

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 6/9

18:20-17:20

2 stops18h 00m

Knock Intl

Tue 15/9

12:20-12:20

2 stops29h 00m

€723
Fastest return journey

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sat 10/10

17:10-12:35

2 stops14h 25m

Knock Intl

Sat 17/10

13:05-15:40

3 stops31h 35m

€730

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sat 10/10

20:30-17:10

3 stops15h 40m

Knock Intl

Sat 17/10

08:55-20:05

3 stops40h 10m

€739

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Tue 13/10

16:55-16:45

2 stops18h 50m

Knock Intl

Sat 17/10

08:55-20:05

3 stops40h 10m

€740

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 14/9

16:55-17:15

2 stops19h 20m

Knock Intl

Mon 21/9

13:05-19:20

2 stops35h 15m

€746

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

12h 00m

Direct flights

None
The fastest flight from United States to Knock takes 12h 00m
There are no direct flights from United States to Knock. There are no popular flight routes from United States to Knock.
Search flight deals

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.

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Mon 31/8
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