Latest deals
Insights
FAQs
Price Alerts

Cheap flights from District of Columbia to Knock from $908

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 8/26. 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
1 adult, Economy, 0 bags

Find the cheapest flights from District of Columbia to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$908British Airways
Wed, Aug 26 - Wed, Sep 2
British Airways Logo
10:27 am - 12:35 pm
IAD
-
NOC
21h 08m
2 stops
British Airways Logo
1:05 pm - 7:40 pm
NOC
-
IAD
11h 35m
1 stop
$912British Airways
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
8:15 am - 12:35 pm
IAD
-
NOC
23h 20m
2 stops
Multiple Airlines Logo
1:05 pm - 11:21 am
NOC
-
IAD
27h 16m
2 stops
$926Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 5:25 pm
NOC
-
IAD
33h 20m
1 stop
$928British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 5:25 pm
NOC
-
IAD
33h 20m
1 stop
$932British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 8:56 pm
NOC
-
IAD
36h 51m
2 stops
$942British Airways
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
10:14 pm - 12:35 pm
IAD
-
NOC
33h 21m
2 stops
Multiple Airlines Logo
1:05 pm - 11:13 am
NOC
-
IAD
51h 08m
2 stops
$959Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
6:30 pm - 12:35 pm
IAD
-
NOC
13h 05m
1 stop
Multiple Airlines Logo
1:05 pm - 2:22 pm
NOC
-
IAD
30h 17m
2 stops
$1,005Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
British Airways Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
1:05 pm - 6:50 pm
NOC
-
IAD
58h 45m
2 stops
$1,132British Airways
Wed, Aug 26 - Sun, Aug 30
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 6:50 pm
NOC
-
IAD
58h 45m
2 stops
$1,137British Airways
Wed, Aug 26 - Sun, Aug 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

British Airways flights from District of Columbia to Knock

Our best British Airways deals on District of Columbia to Knock flight tickets
British Airways
Aug 26
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Sep 2
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$908
British Airways
Aug 26
IAD10:27 amWashington, D.C. Dulles Intl
21h 08m
2 stops
NOC12:35 pmKnock Intl
Sep 2
NOC1:05 pmKnock Intl
11h 35m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$912
British Airways
Aug 26
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Aug 30
NOC1:05 pmKnock Intl
33h 20m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$928

Aer Lingus flights from District of Columbia to Knock

Our best Aer Lingus deals on District of Columbia to Knock flight tickets
Aer Lingus
Aug 11
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Aug 17
NOC1:05 pmKnock Intl
31h 40m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,212
Aer Lingus
Jul 25
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Aug 8
NOC1:05 pmKnock Intl
35h 20m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$5,564

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 July 16, 2026.
Use the filters below to find and compare flights from District of Columbia to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Wed 9/2

1:05 pm-8:20 pm

1 stop12h 15m

$908

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

10:27 am-12:35 pm

2 stops21h 08m

Knock Intl

Wed 9/2

1:05 pm-7:40 pm

1 stop11h 35m

$912

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

8:15 am-12:35 pm

2 stops23h 20m

Knock Intl

Wed 9/2

1:05 pm-11:21 am

2 stops27h 16m

$926

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Sun 8/30

1:05 pm-5:25 pm

1 stop33h 20m

$928

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Sun 8/30

1:05 pm-5:25 pm

1 stop33h 20m

$932

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Sun 8/30

1:05 pm-8:56 pm

2 stops36h 51m

$942

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 8/3

10:14 pm-12:35 pm

2 stops33h 21m

Knock Intl

Mon 8/10

1:05 pm-11:13 am

2 stops51h 08m

$959

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 8/3

6:30 pm-12:35 pm

1 stop13h 05m

Knock Intl

Mon 8/10

1:05 pm-2:22 pm

2 stops30h 17m

$1,005

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Sun 8/30

1:05 pm-6:50 pm

2 stops58h 45m

$1,132

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Sun 8/30

1:05 pm-6:50 pm

2 stops58h 45m

$1,137

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

What airlines fly to Knock?

Delta, United Airlines and American 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 41% 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

13h 50m

Direct flights

None
The fastest flight from District of Columbia to Knock takes 13h 50m
There are no direct flights from District of Columbia to Knock. There are no popular flight routes from District of Columbia to Knock.
Search flight deals

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
Carrick-on-Shannon
Newport

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.

An easier way to manage your Knock trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/15
Sat 8/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland