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Cheap flights from Washington, D.C. to Knock from $1,046

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Knock

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 12:35 pm
IAD
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
1:05 pm - 11:21 am
NOC
-
IAD
27h 16m
2 stops
$1,046Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
3:45 pm - 12:35 pm
IAD
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
9:25 am - 8:35 pm
NOC
-
IAD
40h 10m
3 stops
$1,060Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
3:45 pm - 12:35 pm
IAD
-
NOC
15h 50m
3 stops
Multiple Airlines Logo
9:25 am - 8:35 pm
NOC
-
IAD
40h 10m
3 stops
$1,065Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
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
$1,068British Airways
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
Multiple Airlines Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$1,070Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Aer Lingus Logo
8:55 pm - 12:35 pm
IAD
-
NOC
34h 40m
2 stops
Aer Lingus Logo
1:05 pm - 3:45 pm
NOC
-
IAD
31h 40m
2 stops
$1,084Aer Lingus
Mon, Sep 14 - Tue, Sep 22
Multiple Airlines Logo
3:45 pm - 12:35 pm
IAD
-
NOC
15h 50m
2 stops
Multiple Airlines Logo
1:05 pm - 3:30 pm
NOC
-
IAD
31h 25m
1 stop
$1,087Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
British Airways Logo
5:15 pm - 12:35 pm
IAD
-
NOC
14h 20m
2 stops
British Airways Logo
1:05 pm - 7:40 pm
NOC
-
IAD
11h 35m
1 stop
$1,089British Airways
Wed, Sep 2 - Wed, Sep 9
Aer Lingus Logo
5:15 pm - 12:35 pm
IAD
-
NOC
14h 20m
2 stops
Aer Lingus Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$1,101Aer Lingus
Mon, Sep 14 - Tue, Sep 22
Aer Lingus Logo
5:45 pm - 12:35 pm
IAD
-
NOC
13h 50m
1 stop
Aer Lingus Logo
1:05 pm - 8:20 pm
NOC
-
IAD
12h 15m
1 stop
$1,118Aer Lingus
Mon, Sep 14 - Tue, Sep 22

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British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
Sep 2
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Sep 9
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,068
British Airways
Sep 2
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Sep 9
NOC1:05 pmKnock Intl
11h 35m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$1,089
British Airways
Jul 29
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Aug 5
NOC1:05 pmKnock Intl
11h 35m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$1,187

Aer Lingus flights from Washington, D.C. to Knock

Our best Aer Lingus deals on Washington, D.C. to Knock flight tickets
Aer Lingus
Sep 14
IAD8:55 pmWashington, D.C. Dulles Intl
34h 40m
2 stops
NOC12:35 pmKnock Intl
Sep 22
NOC1:05 pmKnock Intl
31h 40m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,084
Aer Lingus
Sep 14
IAD5:15 pmWashington, D.C. Dulles Intl
14h 20m
2 stops
NOC12:35 pmKnock Intl
Sep 22
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,101
Aer Lingus
Sep 14
IAD5:45 pmWashington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35 pmKnock Intl
Sep 22
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,118

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 June 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

3:45 pm-12:35 pm

2 stops15h 50m

Knock Intl

Wed 9/9

1:05 pm-11:21 am

2 stops27h 16m

$1,046

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

3:45 pm-12:35 pm

2 stops15h 50m

Knock Intl

Wed 9/9

9:25 am-8:35 pm

3 stops40h 10m

$1,060

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

3:45 pm-12:35 pm

3 stops15h 50m

Knock Intl

Wed 9/9

9:25 am-8:35 pm

3 stops40h 10m

$1,065

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Wed 9/9

1:05 pm-8:20 pm

1 stop12h 15m

$1,068

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 9/14

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Tue 9/22

1:05 pm-8:20 pm

1 stop12h 15m

$1,070

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 9/14

8:55 pm-12:35 pm

2 stops34h 40m

Knock Intl

Tue 9/22

1:05 pm-3:45 pm

2 stops31h 40m

$1,084

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

3:45 pm-12:35 pm

2 stops15h 50m

Knock Intl

Wed 9/9

1:05 pm-3:30 pm

1 stop31h 25m

$1,087
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 9/2

5:15 pm-12:35 pm

2 stops14h 20m

Knock Intl

Wed 9/9

1:05 pm-7:40 pm

1 stop11h 35m

$1,089

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 9/14

5:15 pm-12:35 pm

2 stops14h 20m

Knock Intl

Tue 9/22

1:05 pm-8:20 pm

1 stop12h 15m

$1,101

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 9/14

5:45 pm-12:35 pm

1 stop13h 50m

Knock Intl

Tue 9/22

1:05 pm-8:20 pm

1 stop12h 15m

$1,118

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 Washington, D.C. 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 Washington, D.C. according to our data. Delta is the first choice among our users, with 42% 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.

When to book flights from Washington, D.C. to Knock

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

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Knock takes 13h 50m
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Knock

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

    The straight-line distance from Washington, D.C. to Knock Intl is 3266.1 mi. A reasonable flight in good conditions will take 13h 50m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

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

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable 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 Washington, D.C. to Knock?

It is quick and easy to find Washington, D.C. 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 Washington, D.C. to Knock with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knock from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. 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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