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

JetBlue 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.

Which city has the cheapest flights to Knock?

Based on fares booked in the past 5 days, the cheapest flights to Knock are from New York, starting at $904 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 is the cheapest flight to Knock?

Boston to Knock is the cheapest route at $862 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?

On average, a round-trip flight from the United States to Knock costs $1,289, based on KAYAK data over the past 12 months. 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’s 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.

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.

$284 CHEAP FLIGHTS to Knock in 2026/27

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

$862

Typical prices: $948-$1,411

Multiple Airlines

Sun 11/25Fri 11/30

BOS - NOC • 2 stops

Cheapest one-way

$460

Typical prices: $502-$703

British Airways

Sat 10/27

BOS - NOC • 1 stop

Top airlines

Aer Lingus

Best reviews • 7.3 score

Airline reviews

Top routes

NYC - NOC

Cheapest • 52% 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

Wed, Nov 25 - Mon, Nov 30

10:25 am - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

21h 05m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 1:30 pmNOC Knock Intl-BOS Boston Logan Intl

29h 25m2 stops London Heathrow Vienna Intl

$862Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

6:35 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

12h 55m1 stop London Heathrow

1:05 pm - 4:15 pmNOC Knock Intl-BOS Boston Logan Intl

32h 10m2 stops London Heathrow Shannon

$896Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

10:25 am - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

21h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl London Heathrow

1:05 pm - 5:50 pmNOC Knock Intl-BOS Boston Logan Intl

33h 45m2 stops London Heathrow Reykjavik Keflavik Intl

$897Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

5:00 pm - 6:20 pmJFK New York John F Kennedy Intl-NOC Knock Intl

20h 20m2 stops Dublin London Luton

5:30 pm - 7:29 pmNOC Knock Intl-JFK New York John F Kennedy Intl

30h 59m3 stops Bristol Malaga Dublin

$904Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

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

13h 00m1 stop London Heathrow

1:05 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 45m1 stop London Heathrow

$915Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

9:15 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

10h 15m1 stop London Heathrow

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

12h 00m1 stop London Heathrow

$916Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

3:30 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

16h 00m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 10:22 amNOC Knock Intl-BOS Boston Logan Intl

26h 17m2 stops London Heathrow Toronto Pearson Intl

$916Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

9:30 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

10h 00m1 stop London Heathrow

1:05 pm - 9:50 pmNOC Knock Intl-BOS Boston Logan Intl

13h 45m1 stop London Heathrow

$918British Airways

Sat, Nov 7 - Sat, Nov 14

3:15 pm - 12:30 pmPDX Portland-NOC Knock Intl

37h 15m2 stops Vancouver Intl London Heathrow

1:05 pm - 8:46 pmNOC Knock Intl-PDX Portland

39h 41m2 stops London Heathrow Vancouver Intl

$918Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

6:50 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

12h 40m2 stops Shannon London Heathrow

1:05 pm - 9:50 pmNOC Knock Intl-BOS Boston Logan Intl

13h 45m1 stop London Heathrow

$919British Airways

Recent last minute flight deals to Knock

Thu, Oct 1 - Thu, Oct 8

11:35 am - 12:35 pmBOS Boston Logan Intl-NOC Knock Intl

44h 00m2 stops New York John F Kennedy Intl London Heathrow

1:05 pm - 8:05 pmNOC Knock Intl-BOS Boston Logan Intl

12h 00m1 stop London Heathrow

$984British Airways

Thu, Oct 1 - Thu, Oct 8

11:35 am - 12:35 pmBOS Boston Logan Intl-NOC Knock Intl

44h 00m2 stops New York John F Kennedy Intl London Heathrow

1:05 pm - 4:58 pmNOC Knock Intl-BOS Boston Logan Intl

32h 53m2 stops London Heathrow New York John F Kennedy Intl

$988British Airways

Thu, Oct 1 - Thu, Oct 8

8:05 pm - 12:35 pmBOS Boston Logan Intl-NOC Knock Intl

11h 30m1 stop London Heathrow

1:05 pm - 8:05 pmNOC Knock Intl-BOS Boston Logan Intl

12h 00m1 stop London Heathrow

$1,019British Airways

Sat, Oct 3 - Wed, Oct 7

9:35 am - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

22h 00m1 stop London Heathrow

1:05 pm - 2:25 pmNOC Knock Intl-JFK New York John F Kennedy Intl

30h 20m1 stop London Heathrow

$1,027British Airways

Sat, Oct 3 - Wed, Oct 7

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

$1,027British Airways

Sat, Oct 3 - Wed, Oct 7

12:00 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

19h 35m2 stops Charlotte Douglas London Heathrow

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

11h 35m1 stop London Heathrow

$1,031British Airways

Sat, Oct 3 - Wed, Oct 7

5:27 pm - 12:35 pmEWR Newark-NOC Knock Intl

38h 08m2 stops Chicago O'Hare Intl London Heathrow

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

11h 20m1 stop London Heathrow

$1,031British Airways

Sat, Oct 3 - Wed, Oct 7

10:05 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

33h 30m2 stops Boston Logan Intl London Heathrow

1:05 pm - 4:15 pmNOC Knock Intl-JFK New York John F Kennedy Intl

32h 10m1 stop London Heathrow

$1,041British Airways

Thu, Oct 1 - Thu, Oct 8

10:40 am - 3:40 pmBOS Boston Logan Intl-NOC Knock Intl

24h 00m3 stops Montreal Pierre Elliott Trudeau Intl Halifax Intl Edinburgh Turnhouse

1:05 pm - 6:50 pmNOC Knock Intl-BOS Boston Logan Intl

34h 45m2 stops London Heathrow Reykjavik Keflavik Intl

$1,522Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

10:40 am - 3:40 pmBOS Boston Logan Intl-NOC Knock Intl

24h 00m3 stops Montreal Pierre Elliott Trudeau Intl Halifax Intl Edinburgh Turnhouse

2:20 pm - 8:20 pmNOC Knock Intl-BOS Boston Logan Intl

35h 00m3 stops London Luton Dublin Lisbon Humberto Delgado

$1,815Multiple Airlines

All round-trip flight deals to Knock

Wed, Nov 25 - Mon, Nov 30

10:25 am - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

21h 05m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 1:30 pmNOC Knock Intl-BOS Boston Logan Intl

29h 25m2 stops London Heathrow Vienna Intl

$862Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

6:35 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

12h 55m1 stop London Heathrow

1:05 pm - 4:15 pmNOC Knock Intl-BOS Boston Logan Intl

32h 10m2 stops London Heathrow Shannon

$896Multiple Airlines

Wed, Nov 25 - Mon, Nov 30

10:25 am - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

21h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl London Heathrow

1:05 pm - 5:50 pmNOC Knock Intl-BOS Boston Logan Intl

33h 45m2 stops London Heathrow Reykjavik Keflavik Intl

$897Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

5:00 pm - 6:20 pmJFK New York John F Kennedy Intl-NOC Knock Intl

20h 20m2 stops Dublin London Luton

5:30 pm - 7:29 pmNOC Knock Intl-JFK New York John F Kennedy Intl

30h 59m3 stops Bristol Malaga Dublin

$904Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

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

13h 00m1 stop London Heathrow

1:05 pm - 1:50 pmNOC Knock Intl-EWR Newark

29h 45m1 stop London Heathrow

$915Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

9:15 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

10h 15m1 stop London Heathrow

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

12h 00m1 stop London Heathrow

$916Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

3:30 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

16h 00m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

1:05 pm - 10:22 amNOC Knock Intl-BOS Boston Logan Intl

26h 17m2 stops London Heathrow Toronto Pearson Intl

$916Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

9:30 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

10h 00m1 stop London Heathrow

1:05 pm - 9:50 pmNOC Knock Intl-BOS Boston Logan Intl

13h 45m1 stop London Heathrow

$918British Airways

Sat, Nov 7 - Sat, Nov 14

3:15 pm - 12:30 pmPDX Portland-NOC Knock Intl

37h 15m2 stops Vancouver Intl London Heathrow

1:05 pm - 8:46 pmNOC Knock Intl-PDX Portland

39h 41m2 stops London Heathrow Vancouver Intl

$918Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

6:50 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

12h 40m2 stops Shannon London Heathrow

1:05 pm - 9:50 pmNOC Knock Intl-BOS Boston Logan Intl

13h 45m1 stop London Heathrow

$919British Airways

Booking Insights

Price, demand and travel trends for flights to Knock

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

Prices

Airlines

What is the cheapest flight to Knock?: Boston to Knock is the cheapest route at $862 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? Average and cheapest price for all round-trip flights to Knock from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from the United States to Knock costs $1,289, based on KAYAK data over the past 12 months. 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’s the cheapest month to fly to Knock? To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to Knock, removes the top 0.1% to account for outliers, then takes the median of all values for each month.: •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? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: 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	$460

Beat the crowds with an average 74% drop in travelers.

One-way flight from Boston 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.

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.
Which city has the cheapest flights to Knock?
Based on fares booked in the past 5 days, the cheapest flights to Knock are from New York, starting at $904 round-trip.
What is the difference between the most popular and the most frequent airline at Knock?
JetBlue 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.

For flights to Knock, a good round-trip fare is around $948. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Knock in April. Round-trip fares historically average $734, making April the cheapest month to travel based on KAYAK data from 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.

Westport

Carrick-on-Shannon

Belmullet

Newport

More options for your flight to Knock

Add a hotel or car rental

Airports

Cabin class

Origins

Other destinations

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

NOC

$284 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 flights to Knock

What is the cheapest flight to Knock?

How much is a flight to Knock?

What is the cheapest day to fly to Knock?

What’s 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