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$901+ Cheap flights from Dulles Intl (IAD) to Knock (NOC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — NOC
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Knock

Cheapest flights from Dulles Intl to Knock
Explore the most affordable flight options available from Dulles Intl to Knock. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:30 pmIAD - NOC
2 stops16h 00mMultiple Airlines
Sun 12/148:55 amNOC - IAD
2 stops35h 20mMultiple Airlines
Deal found 12/10$1,212
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:20 pmIAD - NOC
1 stop13h 05mAer Lingus
Sun 12/141:00 pmNOC - IAD
1 stop31h 35mAer Lingus
Deal found 12/10$2,226
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:29 pmIAD - NOC
2 stops38h 56mBritish Airways
Sun 12/281:00 pmNOC - IAD
1 stop11h 55mBritish Airways
Deal found 12/11$2,331
This Mytrip deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:05 pmIAD - NOC
2 stops17h 40mMultiple Airlines
Sun 12/283:55 pmNOC - IAD
3 stops31h 35mMultiple Airlines
Deal found 12/11$2,535
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:40 pmIAD - NOC
2 stops14h 45mBritish Airways
Sun 12/141:00 pmNOC - IAD
1 stop11h 55mBritish Airways
Deal found 12/10$2,647

Find flight deals from Dulles Intl to Knock

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Knock (NOC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Round-trip from

$901
(British Airways)
From Washington, D.C. Dulles Intl to Knock Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Knock that are best for you.

Fly from

Dulles Intl

Fly to

Knock

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 2/6

6:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Tue 2/10

1:00 pm-3:35 pm

1 stop31h 35m

$901

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 12/22

4:29 pm-12:25 pm

2 stops38h 56m

Knock Intl

Sun 12/28

1:00 pm-7:55 pm

1 stop11h 55m

$2,331

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Best time to book a flight from Dulles Intl to Knock

Have a flexible travel schedule? Discover the best time to fly to Knock from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Knock. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knock from Washington, D.C. Dulles Intl?

    Located just 9.2 mi from the city center, Knock Intl is the airport most travelers will use when flying to Knock from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Knock Intl (NOC) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Knock can take about 13h 05m. British Airways provides one of the quickest options available for as low as $901. The distance from Washington, D.C. Dulles Intl Airport to Knock is about 3283 mi.

  • Can I find deals for flights from Dulles Intl to Knock that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Knock flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Knock?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Knock.

  • Can I find deals for business class flights from Dulles Intl to Knock?

    Yes. Cheapflights offers flight deals from Dulles Intl to Knock by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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