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Cheap flights from District of Columbia to Knock from $798

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Knock departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 12:25 pm
IAD
-
NOC
22h 30m
2 stops
Multiple Airlines Logo
1:05 pm - 11:50 am
NOC
-
IAD
51h 45m
2 stops
$798Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
British Airways Logo
4:46 pm - 12:25 pm
IAD
-
NOC
15h 39m
2 stops
British Airways Logo
1:05 pm - 7:35 pm
NOC
-
IAD
35h 30m
2 stops
$814British Airways
Mon, Mar 23 - Mon, Mar 30
British Airways Logo
7:20 pm - 12:25 pm
IAD
-
NOC
13h 05m
1 stop
British Airways Logo
1:05 pm - 3:45 pm
NOC
-
IAD
31h 40m
2 stops
$816British Airways
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
4:30 pm - 12:25 pm
IAD
-
NOC
15h 55m
2 stops
Multiple Airlines Logo
1:05 pm - 3:30 pm
NOC
-
IAD
31h 25m
1 stop
$828Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
British Airways Logo
6:05 pm - 12:25 pm
IAD
-
NOC
14h 20m
2 stops
British Airways Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$832British Airways
Wed, Mar 25 - Wed, Apr 1
British Airways Logo
7:20 pm - 12:25 pm
IAD
-
NOC
13h 05m
1 stop
British Airways Logo
1:05 pm - 5:25 pm
NOC
-
IAD
33h 20m
1 stop
$834British Airways
Mon, Mar 23 - Mon, Mar 30
Aer Lingus Logo
6:05 pm - 12:25 pm
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
1:00 pm - 4:35 pm
NOC
-
IAD
31h 35m
2 stops
$837Aer Lingus
Thu, Mar 19 - Sun, Mar 22
Multiple Airlines Logo
7:20 pm - 12:25 pm
IAD
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
1:05 pm - 7:55 pm
NOC
-
IAD
11h 50m
1 stop
$843Multiple Airlines
Wed, Mar 25 - Tue, Mar 31
Multiple Airlines Logo
7:20 pm - 12:25 pm
IAD
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
1:05 pm - 7:55 pm
NOC
-
IAD
11h 50m
1 stop
$844Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
10:09 pm - 12:25 pm
IAD
-
NOC
34h 16m
2 stops
Multiple Airlines Logo
1:00 pm - 11:29 am
NOC
-
IAD
50h 29m
2 stops
$856Multiple Airlines
Sun, Mar 8 - Sun, Mar 15

British Airways flights from District of Columbia to Knock

Our best British Airways deals on District of Columbia to Knock flight tickets
British Airways
Mar 23
IAD4:46 pmWashington, D.C. Dulles Intl
15h 39m
2 stops
NOC12:25 pmKnock Intl
Mar 30
NOC1:05 pmKnock Intl
35h 30m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
$814
British Airways
Mar 23
IAD7:20 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25 pmKnock Intl
Mar 30
NOC1:05 pmKnock Intl
31h 40m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$816
British Airways
Mar 25
IAD6:05 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:25 pmKnock Intl
Apr 1
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$832

Aer Lingus flights from District of Columbia to Knock

Our best Aer Lingus deals on District of Columbia to Knock flight tickets
Aer Lingus
Mar 19
IAD6:05 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:25 pmKnock Intl
Mar 22
NOC1:00 pmKnock Intl
31h 35m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$837
Aer Lingus
Mar 19
IAD7:20 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25 pmKnock Intl
Mar 22
NOC1:00 pmKnock Intl
31h 35m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$863
Aer Lingus
May 19
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
May 24
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,091

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from District of Columbia to Knock that are best for you.

Fly from

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Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/25

9:55 am-12:25 pm

2 stops22h 30m

Knock Intl

Tue 3/31

1:05 pm-11:50 am

2 stops51h 45m

$798

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 3/23

4:46 pm-12:25 pm

2 stops15h 39m

Knock Intl

Mon 3/30

1:05 pm-7:35 pm

2 stops35h 30m

$814

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 3/23

7:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Mon 3/30

1:05 pm-3:45 pm

2 stops31h 40m

$816

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/25

4:30 pm-12:25 pm

2 stops15h 55m

Knock Intl

Tue 3/31

1:05 pm-3:30 pm

1 stop31h 25m

$828

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/25

6:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Wed 4/1

1:05 pm-8:20 pm

1 stop12h 15m

$832

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 3/23

7:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Mon 3/30

1:05 pm-5:25 pm

1 stop33h 20m

$834

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 3/19

6:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Sun 3/22

1:00 pm-4:35 pm

2 stops31h 35m

$837

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/25

7:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Tue 3/31

1:05 pm-7:55 pm

1 stop11h 50m

$843

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 3/25

7:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Wed 4/1

1:05 pm-7:55 pm

1 stop11h 50m

$844

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 3/8

10:09 pm-12:25 pm

2 stops34h 16m

Knock Intl

Sun 3/15

1:00 pm-11:29 am

2 stops50h 29m

$856

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from District of Columbia to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on District of Columbia to Knock flights?

You could potentially save up to 8% on your flight if you consider stops on a District of Columbia to Knock flight.

Cheap District of Columbia to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Knock

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from District of Columbia to Knock takes 14h 20m
There are no direct flights from District of Columbia to Knock. There are no popular flight routes from District of Columbia to Knock.
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  • When did momondo last update prices for flights from District of Columbia to Knock Intl Airport?

    Prices for flights from District of Columbia to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from District of Columbia 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 layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Knock Intl Airport.

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

    The travel and health documents you'll need for your trip to Knock Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knock Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Knock?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Knock?

It is quick and easy to find District of Columbia to Knock flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knock that suits you.

Can I find flights from District of Columbia to Knock with flexible booking policies on momondo?

Flights from District of Columbia to Knock with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from District of Columbia to Knock?

momondo helps you find the best flight between District of Columbia and Knock by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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