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.

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 $885 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 $1,075 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 $798 round-trip, found in the past 5 days on KAYAK. New York John F Kennedy Intl Airport to Knock is the most popular connection with round-trip deals from $885.

How much is a flight to Knock?

On average, a round-trip flight from the United States to Knock costs $1,290, based on KAYAK data over the past 12 months. Round-trip fares from New York average $787, while Boston runs a bit higher at $1,002.

What is the cheapest day to fly to Knock?

Wednesday is the cheapest day to fly to Knock at $731 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $1,474.

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

Night flights to Knock are the cheapest at $787 round-trip on average. Morning flights are the most expensive at $1,373.

What is a good deal for flights to Knock?

Flights under $1,075 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 $798 •Lexington $1,033.

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.

$499 CHEAP FLIGHTS to Knock in 2026/27

Save 25% 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

$798

Typical prices: $1,075-$1,416

Multiple Airlines

Mon 11/5Fri 11/9

BOS - NOC • 2 stops

Cheapest one-way

$499

Typical prices: $502-$708

Multiple Airlines

Sun 12/23

BOS - 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

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We hope you love your trip to Knock!

Cheap Flights to Knock

Cheap flights to Knock from top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

All Flight Deals

Thu, Nov 5 - Mon, Nov 9

5:15 pm - 1:20 pmBOS Boston Logan Intl-NOC Knock Intl

15h 05m2 stops Dublin Bristol

10:55 am - 2:45 pmNOC Knock Intl-BOS Boston Logan Intl

32h 50m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado

$798Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

7:50 pm - 4:50 pmBOS Boston Logan Intl-NOC Knock Intl

16h 00m2 stops Reykjavik Keflavik Intl London Heathrow

12:00 pm - 5:50 pmNOC Knock Intl-BOS Boston Logan Intl

34h 50m2 stops London Stansted Reykjavik Keflavik Intl

$822Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

5:00 pm - 4:00 pmJFK New York John F Kennedy Intl-NOC Knock Intl

18h 00m2 stops Dublin Liverpool J. Lennon

1:05 pm - 2:35 pmNOC Knock Intl-JFK New York John F Kennedy Intl

30h 30m2 stops London Heathrow Geneva Geneve-Cointrin

$885Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

10:11 pm - 10:30 amBOS Boston Logan Intl-NOC Knock Intl

31h 19m1 stop London Heathrow

6:45 pm - 1:30 pmNOC Knock Intl-BOS Boston Logan Intl

23h 45m2 stops London Luton Vienna Intl

$886Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

3:10 pm - 2:15 pmBOS Boston Logan Intl-NOC Knock Intl

18h 05m3 stops Toronto Pearson Intl Dublin London Stansted

5:55 pm - 8:15 pmNOC Knock Intl-BOS Boston Logan Intl

31h 20m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

$893Multiple Airlines

Tue, Nov 17 - Tue, Dec 1

2:30 pm - 10:15 amSEA Seattle/Tacoma Intl-NOC Knock Intl

35h 45m2 stops Calgary London Heathrow

5:15 pm - 5:00 pmNOC Knock Intl-SEA Seattle/Tacoma Intl

31h 45m1 stop London Luton

$897Multiple Airlines

Tue, Nov 17 - Tue, Dec 1

2:35 pm - 5:30 pmSEA Seattle/Tacoma Intl-NOC Knock Intl

18h 55m2 stops Reykjavik Keflavik Intl London Heathrow

1:05 pm - 5:00 pmNOC Knock Intl-SEA Seattle/Tacoma Intl

35h 55m2 stops London Heathrow Reykjavik Keflavik Intl

$911Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

6:50 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 40m2 stops Shannon London Heathrow

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

14h 20m1 stop London Heathrow

$917British Airways

Fri, Nov 27 - Fri, Dec 4

7:05 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 25m1 stop London Heathrow

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

12h 00m1 stop London Heathrow

$917British Airways

Thu, Nov 5 - Mon, Nov 9

6:25 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

37h 05m2 stops Halifax Intl London Heathrow

1:05 pm - 5:42 pmNOC Knock Intl-BOS Boston Logan Intl

33h 37m2 stops London Heathrow Halifax Intl

$923Multiple Airlines

Sun, Oct 18 - Wed, Oct 21

4:55 pm - 3:25 pmJFK New York John F Kennedy Intl-NOC Knock Intl

17h 30m3 stops Dublin Edinburgh Turnhouse Bristol

5:40 pm - 8:05 pmNOC Knock Intl-JFK New York John F Kennedy Intl

31h 25m2 stops Faro Lisbon Humberto Delgado

$930Multiple Airlines

Sun, Oct 18 - Wed, Oct 21

10:00 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

33h 35m2 stops Boston Logan Intl London Heathrow

1:05 pm - 7:30 amNOC Knock Intl-JFK New York John F Kennedy Intl

23h 25m2 stops London Heathrow Boston Logan Intl

$1,033British Airways

Sun, Oct 18 - Wed, Oct 21

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

22h 00m1 stop London Heathrow

1:05 pm - 9:05 pmNOC Knock Intl-JFK New York John F Kennedy Intl

13h 00m1 stop London Heathrow

$1,103Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

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

22h 00m1 stop London Heathrow

1:05 pm - 10:29 pmNOC Knock Intl-JFK New York John F Kennedy Intl

38h 24m2 stops London Heathrow Charlotte Douglas

$1,171British Airways

Sat, Oct 17 - Wed, Oct 21

7:35 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 00m1 stop London Heathrow

1:05 pm - 8:04 pmNOC Knock Intl-JFK New York John F Kennedy Intl

35h 59m2 stops London Heathrow Charlotte Douglas

$1,171British Airways

Sat, Oct 17 - Wed, Oct 21

6:30 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

13h 05m1 stop London Heathrow

1:05 pm - 10:29 pmNOC Knock Intl-JFK New York John F Kennedy Intl

38h 24m2 stops London Heathrow Charlotte Douglas

$1,171British Airways

Sat, Oct 17 - Wed, Oct 21

7:35 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 00m1 stop London Heathrow

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

36h 00m2 stops London Heathrow Raleigh-Durham

$1,171British Airways

Sat, Oct 17 - Wed, Oct 21

3:30 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

16h 05m2 stops Boston Logan Intl London Heathrow

1:05 pm - 8:04 pmNOC Knock Intl-JFK New York John F Kennedy Intl

35h 59m2 stops London Heathrow Charlotte Douglas

$1,175British Airways

Sun, Oct 18 - Wed, Oct 21

7:15 pm - 12:35 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 20m1 stop London Heathrow

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

36h 00m2 stops London Heathrow Raleigh-Durham

$1,195Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

5:15 pm - 1:20 pmBOS Boston Logan Intl-NOC Knock Intl

15h 05m2 stops Dublin Bristol

10:55 am - 2:45 pmNOC Knock Intl-BOS Boston Logan Intl

32h 50m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado

$798Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

7:50 pm - 4:50 pmBOS Boston Logan Intl-NOC Knock Intl

16h 00m2 stops Reykjavik Keflavik Intl London Heathrow

12:00 pm - 5:50 pmNOC Knock Intl-BOS Boston Logan Intl

34h 50m2 stops London Stansted Reykjavik Keflavik Intl

$822Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

5:00 pm - 4:00 pmJFK New York John F Kennedy Intl-NOC Knock Intl

18h 00m2 stops Dublin Liverpool J. Lennon

1:05 pm - 2:35 pmNOC Knock Intl-JFK New York John F Kennedy Intl

30h 30m2 stops London Heathrow Geneva Geneve-Cointrin

$885Multiple Airlines

Mon, Nov 30 - Mon, Dec 7

10:11 pm - 10:30 amBOS Boston Logan Intl-NOC Knock Intl

31h 19m1 stop London Heathrow

6:45 pm - 1:30 pmNOC Knock Intl-BOS Boston Logan Intl

23h 45m2 stops London Luton Vienna Intl

$886Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

3:10 pm - 2:15 pmBOS Boston Logan Intl-NOC Knock Intl

18h 05m3 stops Toronto Pearson Intl Dublin London Stansted

5:55 pm - 8:15 pmNOC Knock Intl-BOS Boston Logan Intl

31h 20m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

$893Multiple Airlines

Tue, Nov 17 - Tue, Dec 1

2:30 pm - 10:15 amSEA Seattle/Tacoma Intl-NOC Knock Intl

35h 45m2 stops Calgary London Heathrow

5:15 pm - 5:00 pmNOC Knock Intl-SEA Seattle/Tacoma Intl

31h 45m1 stop London Luton

$897Multiple Airlines

Tue, Nov 17 - Tue, Dec 1

2:35 pm - 5:30 pmSEA Seattle/Tacoma Intl-NOC Knock Intl

18h 55m2 stops Reykjavik Keflavik Intl London Heathrow

1:05 pm - 5:00 pmNOC Knock Intl-SEA Seattle/Tacoma Intl

35h 55m2 stops London Heathrow Reykjavik Keflavik Intl

$911Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

6:50 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 40m2 stops Shannon London Heathrow

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

14h 20m1 stop London Heathrow

$917British Airways

Fri, Nov 27 - Fri, Dec 4

7:05 pm - 12:30 pmJFK New York John F Kennedy Intl-NOC Knock Intl

12h 25m1 stop London Heathrow

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

12h 00m1 stop London Heathrow

$917British Airways

Thu, Nov 5 - Mon, Nov 9

6:25 pm - 12:30 pmBOS Boston Logan Intl-NOC Knock Intl

37h 05m2 stops Halifax Intl London Heathrow

1:05 pm - 5:42 pmNOC Knock Intl-BOS Boston Logan Intl

33h 37m2 stops London Heathrow Halifax Intl

$923Multiple Airlines

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 $798 round-trip, found in the past 5 days on KAYAK. New York John F Kennedy Intl Airport to Knock is the most popular connection with round-trip deals from $885.
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 $1,290, based on KAYAK data over the past 12 months. Round-trip fares from New York average $787, while Boston runs a bit higher at $1,002.
What is the cheapest day to fly to Knock?: Wednesday is the cheapest day to fly to Knock at $731 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $1,474.
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 $787 round-trip on average. Morning flights are the most expensive at $1,373.
What is a good deal for flights to Knock?: Flights under $1,075 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 $798
•Lexington $1,033.

Find deals

Low season	January
High season	September
Cheapest flight	$499

Beat the crowds with an average 83% drop in travelers.

The most popular month to fly with an average 152% increase 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 $1,075 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 $885 round-trip.
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.

For flights to Knock, a good round-trip fare is around $1,075. 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 $586 per round-trip. Evening flights to Knock average $787 compared to $1,373 for morning flights.

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$499 Find Cheap Flights to Knock - Compare and Save

Everything you should know

Cheap Flights to Knock

Cheap flights to Knock from top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

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 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