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Cheap flights from Washington, D.C. Dulles Intl Airport to Knock from €688

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Knock departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Knock

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
13:08 - 12:25
IAD
-
NOC
18h 17m2 stops
British Airways Logo
13:00 - 15:35
NOC
-
IAD
31h 35m2 stops
€688British Airways
Tue, 3 Feb - Tue, 10 Feb
British Airways Logo
18:20 - 12:25
IAD
-
NOC
13h 05m1 stop
British Airways Logo
13:00 - 15:35
NOC
-
IAD
31h 35m2 stops
€691British Airways
Tue, 3 Feb - Tue, 10 Feb
Multiple Airlines Logo
18:20 - 12:25
IAD
-
NOC
13h 05m1 stop
Multiple Airlines Logo
13:00 - 19:55
NOC
-
IAD
11h 55m1 stop
€696Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
British Airways Logo
18:20 - 12:25
IAD
-
NOC
13h 05m1 stop
British Airways Logo
13:00 - 16:35
NOC
-
IAD
31h 35m1 stop
€770British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
15:13 - 12:25
IAD
-
NOC
16h 12m2 stops
British Airways Logo
13:00 - 20:55
NOC
-
IAD
11h 55m1 stop
€774British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:22 - 12:25
IAD
-
NOC
20h 03m2 stops
British Airways Logo
13:00 - 23:59
NOC
-
IAD
38h 59m2 stops
€782British Airways
Wed, 4 Mar - Sun, 8 Mar
Multiple Airlines Logo
09:45 - 11:50
IAD
-
NOC
21h 05m3 stops
Multiple Airlines Logo
09:45 - 13:15
NOC
-
IAD
32h 30m3 stops
€1,009Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
Multiple Airlines Logo
09:45 - 12:25
IAD
-
NOC
21h 40m2 stops
Multiple Airlines Logo
09:45 - 13:15
NOC
-
IAD
32h 30m3 stops
€1,115Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
British Airways Logo
16:46 - 12:25
IAD
-
NOC
15h 39m2 stops
British Airways Logo
13:05 - 20:20
NOC
-
IAD
12h 15m1 stop
€1,129British Airways
Fri, 27 Mar - Fri, 10 Apr
Multiple Airlines Logo
19:20 - 12:25
IAD
-
NOC
13h 05m1 stop
Multiple Airlines Logo
13:05 - 20:20
NOC
-
IAD
12h 15m1 stop
€1,187Multiple Airlines
Fri, 27 Mar - Fri, 10 Apr

British Airways flights from Washington, D.C. Dulles Intl Airport to Knock

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
British Airways
3 Feb
IAD13:08Washington, D.C. Dulles Intl
18h 17m
2 stops
NOC12:25Knock Intl
10 Feb
NOC13:00Knock Intl
31h 35m
2 stops
IAD15:35Washington, D.C. Dulles Intl
€688
Find similar
British Airways
3 Feb
IAD18:20Washington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25Knock Intl
10 Feb
NOC13:00Knock Intl
31h 35m
2 stops
IAD15:35Washington, D.C. Dulles Intl
€691
Find similar
British Airways
4 Mar
IAD18:20Washington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25Knock Intl
8 Mar
NOC13:00Knock Intl
31h 35m
1 stop
IAD16:35Washington, D.C. Dulles Intl
€770
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 13,528 searches. Data last updated 22 December 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 3/2

13:08-12:25

2 stops18h 17m

Knock Intl

Tue 10/2

13:00-15:35

2 stops31h 35m

€688

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 3/2

18:20-12:25

1 stop13h 05m

Knock Intl

Tue 10/2

13:00-15:35

2 stops31h 35m

€691

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 3/2

18:20-12:25

1 stop13h 05m

Knock Intl

Tue 10/2

13:00-19:55

1 stop11h 55m

€696

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 4/3

18:20-12:25

1 stop13h 05m

Knock Intl

Sun 8/3

13:00-16:35

1 stop31h 35m

€770

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 4/3

15:13-12:25

2 stops16h 12m

Knock Intl

Sun 8/3

13:00-20:55

1 stop11h 55m

€774

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 4/3

11:22-12:25

2 stops20h 03m

Knock Intl

Sun 8/3

13:00-23:59

2 stops38h 59m

€782

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 3/2

09:45-11:50

3 stops21h 05m

Knock Intl

Tue 10/2

09:45-13:15

3 stops32h 30m

€1,009

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 3/2

09:45-12:25

2 stops21h 40m

Knock Intl

Tue 10/2

09:45-13:15

3 stops32h 30m

€1,115

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 27/3

16:46-12:25

2 stops15h 39m

Knock Intl

Fri 10/4

13:05-20:20

1 stop12h 15m

€1,129

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Fri 27/3

19:20-12:25

1 stop13h 05m

Knock Intl

Fri 10/4

13:05-20:20

1 stop12h 15m

€1,187

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Dulles Intl Airport to Knock (IAD to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Knock

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Knock takes 13h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Knock. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Knock.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Knock Intl by plane?

    Washington, D.C. Dulles Intl and Knock Intl are 5279.8 km apart from one another. In terms of flight time, this usually takes a little over 13h 05m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Knock?

    Search flight deals from Washington, D.C. Dulles Intl Airport to Knock. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Knock with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

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momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Knock . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

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