IAD - NOC

$810 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
$810
Typical prices: $640-$1,298
Multiple Airlines
Sat 11/24Fri 11/30
IAD - NOC • 2 stops
Cheapest one-way
$2,917
Typical prices: $562-$703
Aer Lingus
Fri 3/23
IAD - NOC • 1 stop
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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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

Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
8:50 pm - 3:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
13h 45m2 stops Dublin Liverpool J. Lennon
Multiple Airlines Logo
3:20 pm - 6:30 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
32h 10m3 stops Liverpool J. Lennon Kastrup Copenhagen Reykjavik Keflavik Intl
$810Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
7:40 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
16h 50m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
9:10 am - 8:30 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
40h 20m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
$853Multiple Airlines
Tue, Nov 24 - Thu, Dec 3
Multiple Airlines Logo
7:40 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
16h 50m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
6:40 pm - 8:30 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
30h 50m3 stops London Luton Barcelona-El Prat Lisbon Humberto Delgado
$858Multiple 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 - 11:48 amNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
51h 43m2 stops London Heathrow Ottawa
$964Multiple Airlines
Sun, Apr 18 - Sun, Apr 25
Multiple Airlines Logo
10:10 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
33h 25m2 stops Ottawa 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
$971Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
6:05 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
Multiple Airlines Logo
1:05 pm - 7:55 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$996Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
British Airways Logo
6:05 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
British Airways Logo
1:05 pm - 7:55 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$997British Airways
Tue, Nov 24 - Thu, Dec 3
British Airways Logo
9:33 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
21h 57m2 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
$1,001British Airways
Sun, Apr 18 - Sun, Apr 25
Multiple Airlines Logo
10:10 pm - 12:35 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
33h 25m2 stops Ottawa London Heathrow
Multiple Airlines Logo
1:05 pm - 8:20 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
$1,007Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
5:50 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-NOC Knock Intl
13h 40m2 stops Newark London Heathrow
Multiple Airlines Logo
1:05 pm - 8:15 pmNOC  Knock Intl-IAD Washington, D.C. Dulles Intl
12h 10m1 stop London Heathrow
$1,015Multiple Airlines
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 ($997) 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

$810
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 $810 to $5,525. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Knock looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Knock are currently higher than usual. Average one-way flight prices are about $3,456, which is 421% above the typical average for this route.

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

    Knock Intl Airport (NOC) hosts 5 major car rental companies, with daily rates starting from around $5 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 5 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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