IAD - NOC

$947 Find Cheap Flights from Washington, D.C. to Knock - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$947
Typical prices: $640-$1,298
Multiple Airlines
Mon 4/9Wed 4/25
IAD - NOC • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Knock. You'll need to take a connecting flight to reach the destination.
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Flight Deals

Cheap Flights from Washington, D.C. to Knock (IAD-NOC)

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

Recent round-trip flight deals from Washington, D.C. to Knock

Fri, Apr 9 - Sun, Apr 25
Multiple Airlines Logo
9:55 am - 1:05 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
22h 10m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
9:35 am - 8:35 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
40h 00m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$947Multiple Airlines
Fri, Apr 9 - Sat, Apr 24
Multiple Airlines Logo
9:55 am - 1:05 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
22h 10m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
8:55 am - 3:10 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
35h 15m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$960Multiple Airlines
Fri, Apr 9 - Sun, Apr 25
Multiple Airlines Logo
9:55 am - 1:05 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
22h 10m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
9:35 am - 8:35 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
40h 00m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$990Multiple Airlines
Fri, Apr 9 - Sat, Apr 24
Multiple Airlines Logo
5:15 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
19h 20m3 stops Dublin Madrid Barajas London Luton
Multiple Airlines Logo
8:55 am - 3:10 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
35h 15m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$1,016Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
9:55 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
21h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
Multiple Airlines Logo
1:05 pm - 3:45 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
31h 40m2 stops London Heathrow Toronto Pearson Intl
$1,023Multiple Airlines
Fri, Apr 9 - Sun, Apr 25
Multiple Airlines Logo
9:55 am - 12:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
21h 40m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
1:05 pm - 8:15 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
36h 10m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl
$1,037Multiple Airlines
Fri, Apr 9 - Sat, Apr 24
Multiple Airlines Logo
4:30 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
15h 05m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
1:05 pm - 3:44 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
31h 39m2 stops London Heathrow Toronto Pearson Intl
$1,041Multiple Airlines
Fri, Apr 9 - Sun, Apr 25
Multiple Airlines Logo
5:15 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
19h 20m3 stops Dublin Madrid Barajas London Luton
Multiple Airlines Logo
9:35 am - 8:35 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
40h 00m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$1,042Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
6:20 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
13h 10m1 stop London Heathrow
Multiple Airlines Logo
1:05 pm - 8:15 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
12h 10m1 stop London Heathrow
$1,061Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
British Airways Logo
5:15 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
14h 15m2 stops Charlotte Douglas London Heathrow
British Airways Logo
1:05 pm - 7:55 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$1,070British Airways
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Knock flights

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

Which airline is the cheapest to fly from Washington, D.C. Dulles Intl Airport to Knock?

British Airways ($1,070) offered the cheapest round-trip ticket from Washington, D.C. Dulles Intl Airport to Knock in the last 5 days.

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Key details for Washington, D.C. Dulles Intl Airport to Knock flights

Cheapest flight

$947
Round-trip flight from Washington, D.C. Dulles Intl Airport to Knock

When to book flights from Washington, D.C. to Knock

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Knock based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Knock flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Knock?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Knock takes 00m, covering 3,283 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Knock?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Knock changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $947 to $4,862. That means the highest observed fare was about 5x higher than the lowest one.

  • What car rental options are available at Knock Intl Airport (NOC)?

    Knock Intl Airport (NOC) hosts 5 major car rental companies, with daily rates averaging $32 for economy cars. Top options include:

    • Budget
    • Europcar
    • Thrifty
    • Avis
    • Hertz

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Knock?

    Flights from Washington, D.C. Dulles Intl Airport to Knock usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Knock Intl (NOC).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Knock pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to Knock pass through London Heathrow (LHR), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Knock?

    Yes. Flexible dates can save you up to 51% on flights from Washington, D.C. Dulles Intl Airport to Knock. Tuesday is the cheapest departure day at $640 round-trip on average, while Sunday is the most expensive at $1,298, a difference of $658.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Knock?

    Knock is 4 hours ahead of Washington, D.C. Dulles Intl Airport (Irish Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Washington, D.C. Dulles Intl Airport to Knock flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $640, about $658 less than Sunday fares (51% savings) based on the last 12 months.

More options for your flight from Washington, D.C. to Knock

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