Latest deals
Insights
FAQs
Price Alerts

Cheap flights from the United States to Knock from €301

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 27/4. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
08:15 - 08:45
JFK
-
NOC
19h 30m
1 stop
Multiple Airlines Logo
09:10 - 20:05
NOC
-
JFK
39h 55m
3 stops
€665Multiple Airlines
Mon, 11 May - Wed, 20 May
Multiple Airlines Logo
17:35 - 12:35
EWR
-
NOC
14h 00m
2 stops
Multiple Airlines Logo
09:10 - 21:00
NOC
-
EWR
40h 50m
3 stops
€693Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
22:05 - 14:55
JFK
-
NOC
35h 50m
2 stops
Multiple Airlines Logo
15:20 - 15:55
NOC
-
JFK
29h 35m
1 stop
€698Multiple Airlines
Mon, 11 May - Wed, 20 May
Multiple Airlines Logo
16:30 - 16:30
EWR
-
NOC
19h 00m
3 stops
Multiple Airlines Logo
17:35 - 21:00
NOC
-
EWR
32h 25m
3 stops
€702Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
17:35 - 16:45
EWR
-
NOC
18h 10m
2 stops
Multiple Airlines Logo
17:35 - 21:00
NOC
-
EWR
32h 25m
2 stops
€707Multiple Airlines
Tue, 12 May - Tue, 19 May
British Airways Logo
18:30 - 12:35
JFK
-
NOC
13h 05m
1 stop
British Airways Logo
13:05 - 12:25
NOC
-
JFK
28h 20m
2 stops
€720British Airways
Sun, 6 Sep - Thu, 10 Sep
British Airways Logo
17:50 - 12:35
EWR
-
NOC
13h 45m
1 stop
British Airways Logo
13:05 - 13:55
NOC
-
EWR
29h 50m
1 stop
€724British Airways
Sun, 6 Sep - Thu, 10 Sep
British Airways Logo
19:20 - 12:35
JFK
-
NOC
12h 15m
1 stop
British Airways Logo
13:05 - 14:25
NOC
-
JFK
30h 20m
1 stop
€724British Airways
Sun, 6 Sep - Thu, 10 Sep
Aer Lingus Logo
21:25 - 12:35
EWR
-
NOC
10h 10m
1 stop
Aer Lingus Logo
13:05 - 19:25
NOC
-
EWR
11h 20m
1 stop
€756Aer Lingus
Wed, 23 Sep - Wed, 30 Sep
Aer Lingus Logo
17:15 - 12:35
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
13:05 - 20:20
NOC
-
IAD
12h 15m
1 stop
€978Aer Lingus
Wed, 13 May - Wed, 20 May

Aer Lingus flights from United States to Knock

Our best Aer Lingus deals on United States to Knock flight tickets
Aer Lingus
23 Sept
EWR21:25Newark
10h 10m
1 stop
NOC12:35Knock Intl
30 Sept
NOC13:05Knock Intl
11h 20m
1 stop
EWR19:25Newark
€756
Aer Lingus
16 Apr
JFK16:55New York John F Kennedy Intl
14h 40m
2 stops
NOC12:35Knock Intl
23 Apr
NOC13:05Knock Intl
14h 20m
2 stops
JFK22:25New York John F Kennedy Intl
€797
Aer Lingus
12 May
EWR21:25Newark
10h 10m
1 stop
NOC12:35Knock Intl
19 May
NOC13:05Knock Intl
11h 20m
1 stop
EWR19:25Newark
€819

British Airways flights from United States to Knock

Our best British Airways deals on United States to Knock flight tickets
British Airways
6 Sept
JFK18:30New York John F Kennedy Intl
13h 05m
1 stop
NOC12:35Knock Intl
10 Sept
NOC13:05Knock Intl
28h 20m
2 stops
JFK12:25New York John F Kennedy Intl
€720
British Airways
6 Sept
EWR17:50Newark
13h 45m
1 stop
NOC12:35Knock Intl
10 Sept
NOC13:05Knock Intl
29h 50m
1 stop
EWR13:55Newark
€724
British Airways
6 Sept
EWR17:49Newark
37h 46m
2 stops
NOC12:35Knock Intl
10 Sept
NOC13:05Knock Intl
29h 50m
1 stop
EWR13:55Newark
€727

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 30 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

Mon 11/5

08:15-08:45

1 stop19h 30m

Knock Intl

Wed 20/5

09:10-20:05

3 stops39h 55m

€665

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 12/5

17:35-12:35

2 stops14h 00m

Knock Intl

Tue 19/5

09:10-21:00

3 stops40h 50m

€693

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Mon 11/5

22:05-14:55

2 stops35h 50m

Knock Intl

Wed 20/5

15:20-15:55

1 stop29h 35m

€698

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 12/5

16:30-16:30

3 stops19h 00m

Knock Intl

Tue 19/5

17:35-21:00

3 stops32h 25m

€702

NewarkKnock

EWR - NOC

EWRNOC

Newark

Tue 12/5

17:35-16:45

2 stops18h 10m

Knock Intl

Tue 19/5

17:35-21:00

2 stops32h 25m

€707

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 6/9

18:30-12:35

1 stop13h 05m

Knock Intl

Thu 10/9

13:05-12:25

2 stops28h 20m

€720

NewarkKnock

EWR - NOC

EWRNOC

Newark

Sun 6/9

17:50-12:35

1 stop13h 45m

Knock Intl

Thu 10/9

13:05-13:55

1 stop29h 50m

€724

New YorkKnock

JFK - NOC

JFKNOC

New York John F Kennedy Intl

Sun 6/9

19:20-12:35

1 stop12h 15m

Knock Intl

Thu 10/9

13:05-14:25

1 stop30h 20m

€724
Fastest return journey

NewarkKnock

EWR - NOC

EWRNOC

Newark

Wed 23/9

21:25-12:35

1 stop10h 10m

Knock Intl

Wed 30/9

13:05-19:25

1 stop11h 20m

€756

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 13/5

17:15-12:35

2 stops14h 20m

Knock Intl

Wed 20/5

13:05-20:20

1 stop12h 15m

€978

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?

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.
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
Westport
Sligo
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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 29/4
Wed 6/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland