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Cheap flights from Washington, D.C. to Knock from $1,001

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 5/31. 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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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
9:55 am - 5:20 pm
IAD
-
NOC
26h 25m
2 stops
Multiple Airlines Logo
3:55 pm - 3:10 pm
NOC
-
IAD
28h 15m
3 stops
$1,001Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
8:18 am - 3:40 pm
IAD
-
NOC
26h 22m
3 stops
Multiple Airlines Logo
8:30 am - 8:35 pm
NOC
-
IAD
41h 05m
3 stops
$1,037Multiple Airlines
Sat, May 30 - Sat, Jun 6
Multiple Airlines Logo
8:18 am - 5:20 pm
IAD
-
NOC
28h 02m
3 stops
Multiple Airlines Logo
3:55 pm - 3:10 pm
NOC
-
IAD
28h 15m
3 stops
$1,040Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
12:40 pm - 3:40 pm
IAD
-
NOC
22h 00m
2 stops
Multiple Airlines Logo
8:30 am - 7:00 pm
NOC
-
IAD
39h 30m
3 stops
$1,119Multiple Airlines
Sat, May 30 - Sat, Jun 6
Multiple Airlines Logo
12:40 pm - 12:35 pm
IAD
-
NOC
18h 55m
3 stops
Multiple Airlines Logo
9:10 am - 8:35 pm
NOC
-
IAD
40h 25m
3 stops
$1,181Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
12:40 pm - 12:35 pm
IAD
-
NOC
18h 55m
2 stops
Multiple Airlines Logo
9:10 am - 8:35 pm
NOC
-
IAD
40h 25m
3 stops
$1,185Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
British Airways Logo
7:15 pm - 12:35 pm
IAD
-
NOC
12h 20m
1 stop
British Airways Logo
1:05 pm - 3:55 pm
NOC
-
IAD
31h 50m
1 stop
$1,267British Airways
Sun, Sep 6 - Wed, Sep 9
British Airways Logo
7:15 pm - 12:35 pm
IAD
-
NOC
12h 20m
1 stop
British Airways Logo
1:05 pm - 3:55 pm
NOC
-
IAD
31h 50m
1 stop
$1,268British Airways
Sun, Sep 6 - Wed, Sep 9
British Airways Logo
6:24 pm - 12:35 pm
IAD
-
NOC
37h 11m
2 stops
British Airways Logo
1:05 pm - 7:40 pm
NOC
-
IAD
11h 35m
1 stop
$1,272British Airways
Sun, Sep 6 - Wed, Sep 9
British Airways Logo
1:23 pm - 12:35 pm
IAD
-
NOC
18h 12m
2 stops
British Airways Logo
1:05 pm - 11:51 pm
NOC
-
IAD
39h 46m
2 stops
$1,282British Airways
Sun, Sep 6 - Wed, Sep 9

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 6
IAD7:15 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
NOC12:35 pmKnock Intl
Sep 9
NOC1:05 pmKnock Intl
31h 50m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,267
British Airways
Sep 6
IAD7:15 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
NOC12:35 pmKnock Intl
Sep 9
NOC1:05 pmKnock Intl
31h 50m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,268
British Airways
Sep 6
IAD6:24 pmWashington, D.C. Dulles Intl
37h 11m
2 stops
NOC12:35 pmKnock Intl
Sep 9
NOC1:05 pmKnock Intl
11h 35m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
$1,272

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

Our best Aer Lingus deals on Washington, D.C. to Knock flight tickets
Aer Lingus
Jun 21
IAD5:40 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35 pmKnock Intl
Jun 28
NOC1:05 pmKnock Intl
31h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,694
Aer Lingus
Jun 21
IAD5:40 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
NOC12:35 pmKnock Intl
Jun 28
NOC1:05 pmKnock Intl
31h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$1,700

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 April 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 5/31

9:55 am-5:20 pm

2 stops26h 25m

Knock Intl

Sun 6/7

3:55 pm-3:10 pm

3 stops28h 15m

$1,001

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 5/30

8:18 am-3:40 pm

3 stops26h 22m

Knock Intl

Sat 6/6

8:30 am-8:35 pm

3 stops41h 05m

$1,037

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 5/31

8:18 am-5:20 pm

3 stops28h 02m

Knock Intl

Sun 6/7

3:55 pm-3:10 pm

3 stops28h 15m

$1,040

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sat 5/30

12:40 pm-3:40 pm

2 stops22h 00m

Knock Intl

Sat 6/6

8:30 am-7:00 pm

3 stops39h 30m

$1,119

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 6/3

12:40 pm-12:35 pm

3 stops18h 55m

Knock Intl

Wed 6/10

9:10 am-8:35 pm

3 stops40h 25m

$1,181

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 6/3

12:40 pm-12:35 pm

2 stops18h 55m

Knock Intl

Wed 6/10

9:10 am-8:35 pm

3 stops40h 25m

$1,185
Quickest round-trip

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 9/6

7:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Wed 9/9

1:05 pm-3:55 pm

1 stop31h 50m

$1,267

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 9/6

7:15 pm-12:35 pm

1 stop12h 20m

Knock Intl

Wed 9/9

1:05 pm-3:55 pm

1 stop31h 50m

$1,268

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 9/6

6:24 pm-12:35 pm

2 stops37h 11m

Knock Intl

Wed 9/9

1:05 pm-7:40 pm

1 stop11h 35m

$1,272

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 9/6

1:23 pm-12:35 pm

2 stops18h 12m

Knock Intl

Wed 9/9

1:05 pm-11:51 pm

2 stops39h 46m

$1,282

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 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

Can stopping save me money on Washington, D.C. to Knock flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to Knock flight.

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

12h 20m

Direct flights

None
The fastest flight from Washington, D.C. to Knock takes 12h 20m
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 12h 20m.

  • 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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