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Knock

$805+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — NOC
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Ovago deal was found by Cheapflights users on 1/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:20 pm
IAD
-
NOC
1 stop13h 05m
Multiple Airlines
Tue 3/171:00 pm
NOC
-
IAD
1 stop11h 55m
Multiple Airlines
Deal found 1/24$805
This oojo deal was found by Cheapflights users on 1/24. 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.
Tue 3/103:11 pm
IAD
-
NOC
2 stops17h 14m
British Airways
Tue 3/171:00 pm
NOC
-
IAD
2 stops31h 35m
British Airways
Deal found 1/24$812
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:43 pm
IAD
-
NOC
2 stops18h 42m
Multiple Airlines
Sun 2/151:00 pm
NOC
-
IAD
2 stops36h 54m
Multiple Airlines
Deal found 1/25$846
This KAYAK deal was found by Cheapflights users on 1/25. 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 2/126:20 pm
IAD
-
NOC
1 stop13h 05m
Multiple Airlines
Sun 2/151:00 pm
NOC
-
IAD
1 stop11h 55m
Multiple Airlines
Deal found 1/25$897
This British Airways deal was found by Cheapflights users on 1/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:20 pm
IAD
-
NOC
1 stop13h 05m
British Airways
Sun 3/81:00 pm
NOC
-
IAD
1 stop31h 35m
British Airways
Deal found 1/25$903

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 January 26, 2026.

Round-trip from

$846
(Expedia)
From Washington, D.C. Dulles Intl to Knock Intl
Search Deals

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 January 26, 2026.
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

Wed 2/11

12:43 pm-12:25 pm

2 stops18h 42m

Knock Intl

Sun 2/15

1:00 pm-8:54 pm

2 stops36h 54m

$846

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Sun 3/8

1:00 pm-4:35 pm

1 stop31h 35m

$903

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 2/12

4:30 pm-12:25 pm

2 stops14h 55m

Knock Intl

Sun 2/15

1:00 pm-8:54 pm

2 stops36h 54m

$905

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 2/12

4:46 pm-12:25 pm

2 stops14h 39m

Knock Intl

Sun 2/15

1:00 pm-7:55 pm

1 stop11h 55m

$916

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 2/11

12:43 pm-12:25 pm

2 stops18h 42m

Knock Intl

Sat 2/14

1:00 pm-11:44 am

2 stops51h 44m

$1,037

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 2/27

4:46 pm-12:25 pm

2 stops14h 39m

Knock Intl

Tue 3/3

1:00 pm-7:55 pm

1 stop11h 55m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 $903. 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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