What is the difference between the most popular and the most frequent airline at Knock?

Delta operates the most flights from the United States to Knock at 0 per week, while British Airways is the airline most often selected by KAYAK users searching for flights from the United States to Knock. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Where can I fly from to get the cheapest fares to Knock?

Based on fares booked in the past 5 days, the cheapest flights to Knock are from: • New York, from $746 round-trip

How do I know if a flight to Knock is a good deal?

A good deal on a flight to Knock is around $948 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What are the most popular airlines flying to Knock?

British Airways is the most popular airline flying to Knock on KAYAK, followed by Aer Lingus.

$251 CHEAP FLIGHTS to Knock in 2026

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$746

Typical prices: $948-$1,411

Multiple Airlines

Thu 11/8Thu 11/15

EWR - NOC • 2 stops

Cheapest one-way

$251

Typical prices: $502-$703

Multiple Airlines

Sun 10/7

IAD - NOC • 2 stops

Top airlines

Aer Lingus

Best reviews • 7.3 score

Airline reviews

Top routes

NYC - NOC

Cheapest • 49% average savings

LAX - NOC

Most popular

Insights

When to travel

April

Cheapest • 43% price drop

September

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Knock!

Flight Deals

Cheap Flights to Knock

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

All Flight Deals

Recent round-trip flight deals to Knock

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m2 stops Lisbon Humberto Delgado London Heathrow

8:30 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado

$746Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m3 stops Porto Lisbon Humberto Delgado London Heathrow

8:30 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado

$756Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

7:01 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 29m1 stop London Heathrow

4:00 pm - 10:00 pmNOC Knock Intl-JFK New York John F Kennedy Intl

35h 00m2 stops London Luton Barcelona-El Prat

$772Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

7:25 pm - 4:50 pmJFK New York John F Kennedy Intl-NOC Knock Intl

16h 25m2 stops Reykjavik Keflavik Intl London Heathrow

5:00 pm - 1:15 pmNOC Knock Intl-JFK New York John F Kennedy Intl

25h 15m2 stops London Stansted Zurich

$819Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m2 stops Lisbon Humberto Delgado London Heathrow

5:00 pm - 10:10 pmNOC Knock Intl-EWR Newark

34h 10m2 stops London Stansted Lisbon Humberto Delgado

$821Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

6:25 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 10m2 stops Shannon London Heathrow

1:05 pm - 1:40 pmNOC Knock Intl-JFK New York John F Kennedy Intl

29h 35m2 stops London Heathrow Dublin

$822Aer Lingus

Tue, Oct 27 - Tue, Nov 3

6:45 pm - 1:45 pmEWR Newark-NOC Knock Intl

15h 00m2 stops Dublin Manchester

9:10 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 00m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado

$866Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

6:30 pm - 12:25 pmEWR Newark-NOC Knock Intl

12h 55m1 stop London Heathrow

1:00 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 50m1 stop London Heathrow

$872British Airways

Sat, Nov 7 - Fri, Nov 13

5:08 pm - 12:25 pmEWR Newark-NOC Knock Intl

14h 17m2 stops Charlotte Douglas London Heathrow

1:00 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 50m1 stop London Heathrow

$876British Airways

Mon, Nov 9 - Sun, Nov 15

6:10 pm - 12:25 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 15m1 stop London Heathrow

1:00 pm - 8:05 pmNOC Knock Intl-JFK New York John F Kennedy Intl

12h 05m1 stop London Heathrow

$880British Airways

Recent last minute flight deals to Knock

Wed, Sep 16 - Sat, Sep 19

4:55 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

14h 40m2 stops Dublin London Heathrow

1:05 pm - 10:25 pmNOC Knock Intl-JFK New York John F Kennedy Intl

14h 20m2 stops London Heathrow Dublin

$981Aer Lingus

Wed, Sep 16 - Sat, Sep 19

4:55 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

14h 40m2 stops Dublin London Heathrow

1:05 pm - 7:40 pmNOC Knock Intl-JFK New York John F Kennedy Intl

11h 35m1 stop London Heathrow

$1,010Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

1:35 pm - 12:35 pmORD Chicago O'Hare Intl-NOC Knock Intl

17h 00m2 stops New York John F Kennedy Intl London Heathrow

1:05 pm - 1:20 pmNOC Knock Intl-ORD Chicago O'Hare Intl

30h 15m2 stops London Heathrow Barcelona-El Prat

$1,048British Airways

Fri, Sep 18 - Mon, Sep 21

5:55 pm - 12:35 pmORD Chicago O'Hare Intl-NOC Knock Intl

12h 40m1 stop London Heathrow

1:05 pm - 1:20 pmNOC Knock Intl-ORD Chicago O'Hare Intl

30h 15m2 stops London Heathrow Barcelona-El Prat

$1,049Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

5:55 pm - 12:35 pmORD Chicago O'Hare Intl-NOC Knock Intl

12h 40m1 stop London Heathrow

1:05 pm - 12:25 pmNOC Knock Intl-ORD Chicago O'Hare Intl

29h 20m1 stop London Heathrow

$1,051Multiple Airlines

Wed, Sep 16 - Sat, Sep 19

6:20 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 15m1 stop London Heathrow

1:05 pm - 8:20 pmNOC Knock Intl-JFK New York John F Kennedy Intl

12h 15m1 stop London Heathrow

$1,084British Airways

Wed, Sep 16 - Sat, Sep 19

6:25 pm - 4:20 pmJFK New York John F Kennedy Intl-NOC Knock Intl

16h 55m2 stops Shannon London Heathrow

1:05 pm - 7:35 pmNOC Knock Intl-JFK New York John F Kennedy Intl

35h 30m3 stops London Heathrow Lisbon Humberto Delgado Ponta Delgada Nordela

$1,216Multiple Airlines

Wed, Sep 16 - Sat, Sep 19

5:35 pm - 12:35 pmEWR Newark-NOC Knock Intl

14h 00m2 stops Dublin London Heathrow

1:05 pm - 4:05 pmNOC Knock Intl-EWR Newark

32h 00m2 stops London Heathrow Dublin

$1,405Aer Lingus

Wed, Sep 16 - Sat, Sep 19

5:35 pm - 12:35 pmEWR Newark-NOC Knock Intl

14h 00m2 stops Dublin London Heathrow

1:05 pm - 7:25 pmNOC Knock Intl-EWR Newark

11h 20m1 stop London Heathrow

$1,428Aer Lingus

Wed, Sep 16 - Sat, Sep 19

5:50 pm - 12:35 pmEWR Newark-NOC Knock Intl

13h 45m1 stop London Heathrow

1:05 pm - 7:25 pmNOC Knock Intl-EWR Newark

11h 20m1 stop London Heathrow

$1,498British Airways

All round-trip flight deals to Knock

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m2 stops Lisbon Humberto Delgado London Heathrow

8:30 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado

$746Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m3 stops Porto Lisbon Humberto Delgado London Heathrow

8:30 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 40m3 stops Liverpool J. Lennon Barcelona-El Prat Lisbon Humberto Delgado

$756Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

7:01 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 29m1 stop London Heathrow

4:00 pm - 10:00 pmNOC Knock Intl-JFK New York John F Kennedy Intl

35h 00m2 stops London Luton Barcelona-El Prat

$772Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

7:25 pm - 4:50 pmJFK New York John F Kennedy Intl-NOC Knock Intl

16h 25m2 stops Reykjavik Keflavik Intl London Heathrow

5:00 pm - 1:15 pmNOC Knock Intl-JFK New York John F Kennedy Intl

25h 15m2 stops London Stansted Zurich

$819Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

12:10 am - 8:45 amEWR Newark-NOC Knock Intl

27h 35m2 stops Lisbon Humberto Delgado London Heathrow

5:00 pm - 10:10 pmNOC Knock Intl-EWR Newark

34h 10m2 stops London Stansted Lisbon Humberto Delgado

$821Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

6:25 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 10m2 stops Shannon London Heathrow

1:05 pm - 1:40 pmNOC Knock Intl-JFK New York John F Kennedy Intl

29h 35m2 stops London Heathrow Dublin

$822Aer Lingus

Tue, Oct 27 - Tue, Nov 3

6:45 pm - 1:45 pmEWR Newark-NOC Knock Intl

15h 00m2 stops Dublin Manchester

9:10 am - 10:10 pmNOC Knock Intl-EWR Newark

42h 00m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado

$866Multiple Airlines

Sat, Nov 7 - Fri, Nov 13

6:30 pm - 12:25 pmEWR Newark-NOC Knock Intl

12h 55m1 stop London Heathrow

1:00 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 50m1 stop London Heathrow

$872British Airways

Sat, Nov 7 - Fri, Nov 13

5:08 pm - 12:25 pmEWR Newark-NOC Knock Intl

14h 17m2 stops Charlotte Douglas London Heathrow

1:00 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 50m1 stop London Heathrow

$876British Airways

Mon, Nov 9 - Sun, Nov 15

6:10 pm - 12:25 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 15m1 stop London Heathrow

1:00 pm - 8:05 pmNOC Knock Intl-JFK New York John F Kennedy Intl

12h 05m1 stop London Heathrow

$880British Airways

Booking Insights

Price, demand and travel trends for United States to Knock flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from the United States to Knock with more confidence.

Prices

Airlines

What is the cheapest flight to Knock?

Newark Airport to Knock is the cheapest route at $746 round-trip, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Knock?

A round-trip flight to Knock costs $1,289 on average, based on data over the past 12 months on KAYAK. Round-trip fares from New York average $787, while Boston runs a bit higher at $798.

What is the cheapest day to fly to Knock?

Wednesday is the cheapest day to fly to Knock at $751 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $1,474.

What is the cheapest month to fly to Knock?

April is the cheapest month to fly to Knock with an average price of $734 round-trip.
December ($4,139) and May ($1,379) are the most expensive.
Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Knock?

Night flights to Knock are the cheapest at $928 round-trip on average. Morning flights are the most expensive at $1,373.

What is a good deal for flights to Knock?

Flights under $948 are considered a good deal. 25% of KAYAK users found round-trip flights to Knock at or below these prices, with the lowest fares from:

New York $664
Boston $677

Find deals

Low season	January
High season	September
Cheapest flight	$251

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly and prices are also 37% lower on average.

Flight from Washington, D.C. Dulles Intl Airport to Knock

When to book flights to Knock

Are your dates flexible? Find out the best times to travel to Knock based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Knock based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the difference between the most popular and the most frequent airline at Knock?
Delta operates the most flights from the United States to Knock at 0 per week, while British Airways is the airline most often selected by KAYAK users searching for flights from the United States to Knock. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.
Where can I fly from to get the cheapest fares to Knock?
Based on fares booked in the past 5 days, the cheapest flights to Knock are from:
• New York, from $746 round-trip
How do I know if a flight to Knock is a good deal?
A good deal on a flight to Knock is around $948 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

For flights to Knock, recent KAYAK data shows that stronger deals tend to land around $948 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
If you can choose when to go, time your trip to Knock around April. Round-trip fares historically average $734 that month – typically the cheapest month to travel based on the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to evening to save up to $445 per round-trip. Evening flights to Knock average $928 compared to $1,373 for morning flights. See the time-of-day chart above for the full breakdown.

Westport

Carrick-on-Shannon

Belmullet

Newport

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NOC

$251 Find Cheap Flights to Knock - Compare and Save

Everything you should know

Cheap Flights to Knock

Recent round-trip flight deals to Knock

Recent one-way flight deals to Knock

Recent last minute flight deals to Knock

All round-trip flight deals to Knock

Price, demand and travel trends for United States to Knock flights

What is the cheapest flight to Knock?

How much is a flight to Knock?

What is the cheapest day to fly to Knock?

What is the cheapest month to fly to Knock?

What is the cheapest time of day to fly to Knock?

What is a good deal for flights to Knock?

What are the most popular airlines flying to Knock?

Key details for flights to Knock

Low season

High season

Cheapest flight

When to book flights to Knock

Your questions about flights to Knock, answered

Your guide to booking Knock flights

Traveling to a place near Knock?

More options for your flight to Knock

Complete your trip to Knock with a hotel stay or car rental

Information on the airport you'll fly into in Knock

Cabin class types available on flights to Knock

Flights from local origins to Knock

Flights to other popular destinations