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$535+ Cheap flights from Dulles Intl (IAD) to Knock (NOC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — NOC
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Round-trip from

$891
(Ovago)

One-way from

$535
(Cheapflightsfares)
From Washington, D.C. Dulles Intl to Knock Intl
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One-way flight from Washington, D.C. Dulles Intl to Knock Intl
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Find 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 October 27, 2025.

This oojo deal was found by Cheapflights users on 10/26. 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.
Fri 12/265:05 pmIAD - NOC
2 stops14h 20mBritish Airways
Thu 1/11:00 pmNOC - IAD
2 stops31h 35mBritish Airways
Deal found 10/26$1,517
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:20 pmIAD - NOC
1 stop13h 05mAer Lingus
Wed 10/291:00 pmNOC - IAD
1 stop11h 55mAer Lingus
Deal found 10/25$1,552
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:20 pmIAD - NOC
1 stop13h 05mMultiple Airlines
Tue 10/281:00 pmNOC - IAD
1 stop11h 55mMultiple Airlines
Deal found 10/25$1,554
This British Airways deal was found by Cheapflights users on 10/25. 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.
Sun 10/261:09 pmIAD - NOC
2 stops43h 16mBritish Airways
Wed 10/291:00 pmNOC - IAD
1 stop31h 35mBritish Airways
Deal found 10/25$1,583
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:25 pmIAD - NOC
1 stop13h 00mMultiple Airlines
Thu 10/301:00 pmNOC - IAD
1 stop11h 55mMultiple Airlines
Deal found 10/25$1,621
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:25 pmIAD - NOC
1 stop13h 00mMultiple Airlines
Tue 10/281:00 pmNOC - IAD
1 stop11h 55mMultiple Airlines
Deal found 10/25$1,625
This Expedia deal was found by Cheapflights users on 10/25. 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.
Sat 10/258:25 pmIAD - NOC
2 stops36h 00mMultiple Airlines
Wed 10/291:00 pmNOC - IAD
1 stop11h 55mMultiple Airlines
Deal found 10/25$1,628
This Mytrip deal was found by Cheapflights users on 10/26. 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.
Fri 12/2610:30 pmIAD - NOC
3 stops32h 55mMultiple Airlines
Thu 1/11:00 pmNOC - IAD
2 stops31h 35mMultiple Airlines
Deal found 10/26$1,746
This Ovago deal was found by Cheapflights users on 10/26. 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.
Fri 12/266:20 pmIAD - NOC
1 stop13h 05mAer Lingus
Thu 1/11:00 pmNOC - IAD
1 stop11h 55mAer Lingus
Deal found 10/26$2,174

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 October 27, 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

Sat 1/3

5:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Sat 1/10

1:00 pm-3:35 pm

2 stops31h 35m

$1,006

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 1/3

5:05 pm-3:30 pm

2 stops17h 25m

Knock Intl

Sat 1/10

4:10 pm-9:00 pm

3 stops33h 50m

$1,150

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 12/26

5:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Thu 1/1

1:00 pm-3:35 pm

2 stops31h 35m

$1,517

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 12/26

10:30 pm-12:25 pm

3 stops32h 55m

Knock Intl

Thu 1/1

1:00 pm-3:35 pm

2 stops31h 35m

$1,746

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 12/26

6:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Thu 1/1

1:00 pm-7:55 pm

1 stop11h 55m

$2,174

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 1/3

6:00 pm-12:25 pm

2 stops13h 25m

Knock Intl

Sat 1/17

1:00 pm-8:15 pm

1 stop12h 15m

$5,633

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 1/14

5:46 pm-12:25 pm

2 stops13h 39m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 14h 20m. British Airways provides one of the quickest options available for as low as $1,006. 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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