IAD - NOC
$506 Find Cheap Flights from Washington, D.C. to Knock - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Everything you should know
Cheapest round-trip
$779
Typical prices: $640-$1,298
Multiple Airlines
Sat 11/24Sat 12/1
IAD - NOC • 2 stops
Cheapest one-way
$506
Typical prices: $562-$703
Aer Lingus
Mon 11/12
IAD - NOC • 2 stops
Flight Deals
Cheap Flights from Washington, D.C. to Knock (IAD-NOC)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Knock that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Recent round-trip flight deals from Washington, D.C. to Knock
Tue, Nov 24 - Tue, Dec 1
7:40 pm - 1:45 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 05m2 stops Reykjavik Keflavik Intl Manchester
5:15 pm - 8:30 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
32h 15m3 stops London Luton Madrid Barajas Lisbon Humberto Delgado
$779Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
9:55 am - 5:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
26h 35m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas London Stansted
9:10 am - 8:30 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
40h 20m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado
$887Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
6:20 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 10m1 stop London Heathrow
1:05 pm - 3:40 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 35m1 stop London Heathrow
$956Multiple Airlines
Mon, Nov 23 - Wed, Dec 2
6:20 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 10m1 stop London Heathrow
1:05 pm - 3:40 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 35m1 stop London Heathrow
$956Multiple Airlines
Tue, Nov 24 - Wed, Dec 2
6:20 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 10m1 stop London Heathrow
1:05 pm - 3:40 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 35m1 stop London Heathrow
$956Multiple Airlines
Tue, Oct 27 - Mon, Nov 16
7:20 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 10m1 stop London Heathrow
1:05 pm - 3:40 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 35m1 stop London Heathrow
$986Multiple Airlines
Tue, Oct 27 - Mon, Nov 16
5:53 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
14h 37m2 stops Newark London Heathrow
1:05 pm - 3:40 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 35m1 stop London Heathrow
$991Multiple Airlines
Wed, Nov 25 - Fri, Dec 4
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
1:05 pm - 7:55 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$997British Airways
Mon, Nov 23 - Fri, Dec 4
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
1:05 pm - 7:55 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$997British Airways
Mon, Nov 23 - Thu, Dec 3
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
1:05 pm - 7:55 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
11h 50m1 stop London Heathrow
$997British Airways
Recent one-way flight deals from Washington, D.C. to Knock
Thu, Nov 12
5:15 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
14h 15m2 stops Dublin London Heathrow
$506Aer Lingus
Wed, Nov 11
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
$648Multiple Airlines
Wed, Nov 11
5:15 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
14h 15m2 stops Charlotte Douglas London Heathrow
$650British Airways
Thu, Nov 12
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
$694British Airways
Fri, Nov 13
6:05 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 25m1 stop London Heathrow
$694Multiple Airlines
Fri, Nov 13
5:44 pm - 12:30 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 46m2 stops Charlotte Douglas London Heathrow
$696British Airways
Recent last minute flight deals from Washington, D.C. to Knock
Mon, Oct 5 - Thu, Oct 8
4:00 pm - 4:55 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
19h 55m3 stops Toronto Pearson Intl Madrid Barajas London Luton
5:05 pm - 2:15 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
26h 10m3 stops Liverpool J. Lennon Madrid Barajas Bogotá El Dorado
$1,062Multiple Airlines
Mon, Oct 5 - Thu, Oct 8
5:15 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
14h 20m2 stops Dublin London Heathrow
5:05 pm - 2:15 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
26h 10m3 stops Liverpool J. Lennon Madrid Barajas Bogotá El Dorado
$1,165Multiple Airlines
Sun, Oct 4 - Sat, Oct 10
5:45 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 50m1 stop London Heathrow
1:05 pm - 11:58 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
39h 53m2 stops London Heathrow Charlotte Douglas
$1,266British Airways
Sun, Oct 4 - Sat, Oct 10
7:10 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
36h 25m2 stops Charlotte Douglas London Heathrow
1:05 pm - 9:16 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
37h 11m2 stops London Heathrow Charlotte Douglas
$1,271British Airways
Mon, Oct 5 - Thu, Oct 8
5:15 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
14h 20m2 stops Dublin London Heathrow
1:05 pm - 8:20 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
$1,355Aer Lingus
Mon, Oct 5 - Thu, Oct 8
5:45 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 50m1 stop London Heathrow
1:05 pm - 8:20 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
$1,416Aer Lingus
Sun, Oct 4 - Wed, Oct 7
6:35 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
13h 00m1 stop London Heathrow
1:05 pm - 8:20 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
$1,420Multiple Airlines
Sun, Oct 4 - Wed, Oct 7
3:45 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
15h 50m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
1:05 pm - 8:20 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
12h 15m1 stop London Heathrow
$1,423Multiple Airlines
Sun, Oct 4 - Thu, Oct 8
3:45 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
15h 50m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
1:05 pm - 3:30 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 25m1 stop London Heathrow
$1,423Multiple Airlines
Tue, Oct 6 - Thu, Oct 8
3:45 pm - 12:35 pmIAD Washington, D.C. Dulles Intl-NOC Knock Intl
15h 50m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
1:05 pm - 3:30 pmNOC Knock Intl-IAD Washington, D.C. Dulles Intl
31h 25m1 stop London Heathrow
$1,423Multiple Airlines
Booking Insights
Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Knock flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Airlines
Layovers
What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Knock?
Flights via London Heathrow (LHR) offer the most affordable fares, with an average round-trip price of $1,298. Based on KAYAK data over the past 3 months.
When flying from Washington, D.C. Dulles Intl Airport to Knock which airport offers the shortest layover?
London Heathrow (LHR) had the shortest average connection time for Washington, D.C. Dulles Intl Airport to Knock layovers at 8h 10m over the past 3 months.
Key details for Washington, D.C. Dulles Intl Airport to Knock flights
Cheapest flight | $506 |
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When to book flights from Washington, D.C. to Knock
Are your dates flexible? Find out the best times to travel from Washington, D.C. to Knock based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Washington, D.C. Dulles Intl Airport to Knock flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Washington, D.C. Dulles Intl Airport to Knock flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from Washington, D.C. to Knock
Complete your trip to Knock with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights to Knock
Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Washington, D.C. and Knock
Flights from domestic origins to Knock
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.