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Cheap flights from District of Columbia to Knock from $880

This is the cheapest one-way 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 5/29. 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 District of Columbia to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 pm - 12:25 pm
IAD
-
NOC
33h 15m
2 stops
Multiple Airlines Logo
1:00 pm - 8:26 pm
NOC
-
IAD
36h 26m
2 stops
$1,074Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
Multiple Airlines Logo
6:20 pm - 12:25 pm
IAD
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
1:00 pm - 3:35 pm
NOC
-
IAD
31h 35m
1 stop
$1,115Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
Multiple Airlines Logo
4:34 pm - 12:25 pm
IAD
-
NOC
14h 51m
2 stops
Multiple Airlines Logo
1:00 pm - 3:35 pm
NOC
-
IAD
31h 35m
1 stop
$1,136Multiple Airlines
Sun, Nov 8 - Sat, Nov 14
Multiple Airlines Logo
9:55 am - 3:40 pm
IAD
-
NOC
24h 45m
2 stops
Multiple Airlines Logo
1:05 pm - 8:29 pm
NOC
-
IAD
36h 24m
3 stops
$1,223Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
8:18 am - 3:40 pm
IAD
-
NOC
26h 22m
3 stops
Multiple Airlines Logo
1:05 pm - 8:29 pm
NOC
-
IAD
36h 24m
3 stops
$1,228Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
9:55 am - 3:40 pm
IAD
-
NOC
24h 45m
2 stops
Multiple Airlines Logo
2:20 pm - 3:10 pm
NOC
-
IAD
29h 50m
2 stops
$1,232Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
Multiple Airlines Logo
10:14 pm - 12:35 pm
IAD
-
NOC
33h 21m
2 stops
Multiple Airlines Logo
1:05 pm - 3:01 pm
NOC
-
IAD
54h 56m
2 stops
$1,248Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Aer Lingus Logo
9:00 pm - 12:35 pm
IAD
-
NOC
34h 35m
2 stops
Aer Lingus Logo
1:05 pm - 7:25 pm
NOC
-
IAD
35h 20m
2 stops
$1,266Aer Lingus
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
5:56 pm - 12:35 pm
IAD
-
NOC
13h 39m
2 stops
Multiple Airlines Logo
1:05 pm - 7:40 pm
NOC
-
IAD
11h 35m
1 stop
$1,268Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
5:40 pm - 12:35 pm
IAD
-
NOC
13h 55m
1 stop
Multiple Airlines Logo
1:05 pm - 3:45 pm
NOC
-
IAD
31h 40m
2 stops
$1,285Multiple Airlines
Mon, Jun 8 - Mon, Jun 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
Jun 7
IAD5:40 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35 pmKnock Intl
Jun 23
NOC1:05 pmKnock Intl
33h 25m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
$1,516
British Airways
Jun 7
IAD8:22 pmWashington, D.C. Dulles Intl
35h 13m
2 stops
NOC12:35 pmKnock Intl
Jun 22
NOC1:05 pmKnock Intl
31h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,521
British Airways
Aug 1
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Aug 9
NOC1:05 pmKnock Intl
33h 20m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$1,541

Aer Lingus flights from District of Columbia to Knock

Our best Aer Lingus deals on District of Columbia to Knock flight tickets
Aer Lingus
Jun 8
IAD9:00 pmWashington, D.C. Dulles Intl
34h 35m
2 stops
NOC12:35 pmKnock Intl
Jun 15
NOC1:05 pmKnock Intl
35h 20m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$1,266
Aer Lingus
Jun 4
IAD8:45 pmWashington, D.C. Dulles Intl
34h 50m
2 stops
NOC12:35 pmKnock Intl
Jun 11
NOC1:05 pmKnock Intl
31h 40m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,327
Aer Lingus
Jun 4
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Jun 11
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,409

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 May 12, 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

Cheapest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 11/8

10:10 pm-12:25 pm

2 stops33h 15m

Knock Intl

Sat 11/14

1:00 pm-8:26 pm

2 stops36h 26m

$1,074

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 11/8

6:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Sat 11/14

1:00 pm-3:35 pm

1 stop31h 35m

$1,115

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 11/8

4:34 pm-12:25 pm

2 stops14h 51m

Knock Intl

Sat 11/14

1:00 pm-3:35 pm

1 stop31h 35m

$1,136

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 6/4

9:55 am-3:40 pm

2 stops24h 45m

Knock Intl

Thu 6/11

1:05 pm-8:29 pm

3 stops36h 24m

$1,223

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 6/4

8:18 am-3:40 pm

3 stops26h 22m

Knock Intl

Thu 6/11

1:05 pm-8:29 pm

3 stops36h 24m

$1,228

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 6/4

9:55 am-3:40 pm

2 stops24h 45m

Knock Intl

Thu 6/11

2:20 pm-3:10 pm

2 stops29h 50m

$1,232

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 8/1

10:14 pm-12:35 pm

2 stops33h 21m

Knock Intl

Sun 8/9

1:05 pm-3:01 pm

2 stops54h 56m

$1,248

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 6/8

9:00 pm-12:35 pm

2 stops34h 35m

Knock Intl

Mon 6/15

1:05 pm-7:25 pm

2 stops35h 20m

$1,266
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 9/22

5:56 pm-12:35 pm

2 stops13h 39m

Knock Intl

Tue 9/29

1:05 pm-7:40 pm

1 stop11h 35m

$1,268

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 6/8

5:40 pm-12:35 pm

1 stop13h 55m

Knock Intl

Mon 6/15

1:05 pm-3:45 pm

2 stops31h 40m

$1,285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from District of Columbia to Knock Intl?

British Airways is the most popular carrier operating from District of Columbia to Knock Intl

What airlines fly to Knock?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Knock from District of Columbia according to our data. Delta is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Knock. Keep in mind that there are 3 different airlines that fly to Knock on a routine basis, so you have a few additional options to choose from.

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

12h 15m

Direct flights

None
The fastest flight from District of Columbia to Knock takes 12h 15m
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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Frequently asked questions about flying from District of Columbia to Knock

  • 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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