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Dulles International Airport to Ireland West Knock Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Ireland West Knock Airport over the next 90 days, with one-way fares from €583 and round-trip from €942. Based on Trip.com's latest 7-day flight data.

    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Wed, Nov 18 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Wed, Nov 25 | British Airways
      €942 €1,200
      22% off
      22% off
      €1,200 €942
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Dec 1 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Tue, Dec 8 | British Airways
      €993 €1,200
      17% off
      17% off
      €1,200 €993
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Fri, Nov 13 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Wed, Nov 18 | British Airways
      €1,020 €1,200
      15% off
      15% off
      €1,200 €1,020
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Thu, Nov 12 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Thu, Nov 19 | British Airways
      €1,020
      15% off
      €1,200 €1,020
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Fri, Nov 27 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Fri, Dec 4 | British Airways
      €1,022
      15% off
      €1,200 €1,022
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Fri, Nov 27 | Finnair
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Fri, Dec 4 | Aer Lingus
      €1,025
      15% off
      €1,200 €1,025
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Sun, Dec 6 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Sun, Dec 13 | British Airways
      €1,029
      14% off
      €1,200 €1,029
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Thu, Nov 12 | Finnair
      NOC 1:05 PM
      31h 35m
      1 stop
      IAD 3:40 PM
      Knock - Washington D.C. | Mon, Nov 16 | Aer Lingus
      €1,037
      14% off
      €1,200 €1,037
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Thu, Dec 10 | British Airways
      NOC 1:05 PM
      11h 50m
      1 stop
      IAD 7:55 PM
      Knock - Washington D.C. | Thu, Dec 17 | British Airways
      €1,038
      14% off
      €1,200 €1,038
    • WAS 1:00 PM
      17h 25m
      1 stop
      NOC 2:00 PM
      Washington D.C. - Knock | Tue, Nov 3 | Normal Airline
      NOC 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      Knock - Washington D.C. | Thu, Nov 5 | Normal Airline
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    • Cheapest
      IAD 6:20 PM
      13h 10m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | United Airlines
      €583 €4,594
      87% off
      87% off
      €4,594 €583
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | British Airways
      €673 €4,594
      85% off
      85% off
      €4,594 €673
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | Aer Lingus
      €821 €4,594
      82% off
      82% off
      €4,594 €821
    • IAD 6:20 PM
      13h 10m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | Lufthansa
      €4,088
      11% off
      €4,594 €4,088
    • WAS 1:00 PM
      17h 25m
      1 stop
      NOC 2:00 PM
      Washington D.C. - Knock | Tue, Nov 3 | Normal Airline
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    • IAD 6:20 PM
      13h 10m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | United Airlines
      €583 €4,594
      87% off
      87% off
      €4,594 €583
    • IAD 6:20 PM
      13h 10m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | Lufthansa
      €4,088 €4,594
      11% off
      11% off
      €4,594 €4,088
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | British Airways
      €673 €4,594
      85% off
      85% off
      €4,594 €673
    • IAD 6:05 PM
      13h 25m
      1 stop
      NOC 12:30 PM
      Washington D.C. - Knock | Tue, Nov 24 | Aer Lingus
      €821
      82% off
      €4,594 €821
    • WAS 1:00 PM
      17h 25m
      1 stop
      NOC 2:00 PM
      Washington D.C. - Knock | Tue, Nov 3 | Normal Airline
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Displayed flight fares from Washington D.C. to Knock are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Dulles International Airport to Ireland West Knock Airport?

The cheapest airline flying from Dulles International Airport to Ireland West Knock Airport is United Airlines (from €583) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From €583
American Airlines
From €600
British Airways
From €673
Aer Lingus
From €821
TAP Air Portugal
From €895
Air Canada
From €898
Finnair
From €1,025
Lufthansa
From €1,204
Austrian Airlines
From €1,204

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What is the flight schedule from Dulles International Airport to Ireland West Knock Airport?

Check the schedule for flights from Washington D.C. to Knock and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. VS022

    Dulles International Airport

    10:35 PM

    IAD

    7h 25m

    Nonstop

    10:00 AM

    LHR

    S - T W T F S
    Search

  2. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  3. UA918

    Dulles International Airport

    6:35 PM

    IAD

    7h 20m

    Nonstop

    6:55 AM

    LHR

    S M T W T F S
    Search

  4. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  5. LH9259

    Dulles International Airport

    7:20 PM

    IAD

    7h 20m

    Nonstop

    6:40 AM

    LHR

    S M T W T F S
    Search

  6. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  7. OS7806

    Dulles International Airport

    6:35 PM

    IAD

    7h 20m

    Nonstop

    6:55 AM

    LHR

    S M T W T F S
    Search

  8. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  9. BA216

    Dulles International Airport

    6:10 PM

    IAD

    7h 10m

    Nonstop

    6:20 AM

    LHR

    S M T W T F S
    Search

  10. BA5989

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  11. EI8916

    Dulles International Airport

    5:40 PM

    IAD

    7h 40m

    Nonstop

    6:20 AM

    LHR

    S M T W T F S
    Search

  12. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  13. AY5416

    Dulles International Airport

    5:40 PM

    IAD

    6h 40m

    Nonstop

    5:20 AM

    LHR

    S M T W T F S
    Search

  14. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  15. BA216

    Dulles International Airport

    6:10 PM

    IAD

    7h 10m

    Nonstop

    6:20 AM

    LHR

    S M T W T F S
    Search

  16. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  17. EI116

    Dulles International Airport

    6:15 PM

    IAD

    6h

    Nonstop

    5:15 AM

    DUB

    S M - W T F S
    Search

  18. EI154

    Dublin Airport

    7:30 AM

    DUB

    1h 35m

    Nonstop

    9:05 AM

    LHR

    S M T W T F S

  19. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  20. EI116

    Dulles International Airport

    6:15 PM

    IAD

    6h

    Nonstop

    5:15 AM

    DUB

    S M - W T F S
    Search

  21. EI152

    Dublin Airport

    6:30 AM

    DUB

    1h 35m

    Nonstop

    8:05 AM

    LHR

    S M T W T F S

  22. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S
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About Dulles International Airport and Ireland West Knock Airport

Learn about Dulles International Airport (IAD) and Ireland West Knock Airport (NOC) — including location, terminals, transportation, and travel tips.

Flight distance 5,293.54 km
Cheapest one-way ticket price €583
Cheapest return ticket price €942

FAQs for Dulles International Airport to Ireland West Knock Airport Flights

  • What is the transportation method from the main airport to downtown in Knock?

    • The distance from Ireland West Knock Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • One-way flights from Dulles International Airport to Ireland West Knock Airport currently start from €583, and round-trip fares start from €942. The current lowest fare is a United Airlines flight departing on Tue, Nov 24; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Ireland West Knock Airport is €1,541. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles International Airport and Ireland West Knock Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.