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Ronald Reagan Washington National Airport to Ireland West Knock Airport flight

Explore the cheapest one-way and round-trip flights from Ronald Reagan Washington National Airport to Ireland West Knock Airport over the next 90 days, with one-way fares from €579 and round-trip from €888. Based on Trip.com's latest 7-day flight data.

      • DCA 7:18 PM
        13h 12m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Fri, Oct 30 | American Airlines
        NOC 1:05 PM
        24h 9m
        2 stops
        DCA 8:14 AM
        Knock - Washington D.C. | Fri, Nov 6 | Aer Lingus
        €888 €1,379
        36% off
        36% off
        €1,379 €888
      • DCA 5:27 PM
        15h 3m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Sat, Oct 31 | American Airlines
        NOC 1:05 PM
        23h 26m
        2 stops
        DCA 7:31 AM
        Knock - Washington D.C. | Sat, Nov 7 | Aer Lingus
        €888 €1,379
        36% off
        36% off
        €1,379 €888
      • DCA 5:45 PM
        14h 45m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Sat, Oct 31 | Finnair
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Sat, Nov 7 | Aer Lingus
        €915 €1,379
        34% off
        34% off
        €1,379 €915
      • DCA 5:45 PM
        14h 45m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Fri, Oct 30 | Finnair
        NOC 1:05 PM
        23h 45m
        2 stops
        DCA 7:50 AM
        Knock - Washington D.C. | Fri, Nov 6 | Aer Lingus
        €932
        32% off
        €1,379 €932
      • DCA 2:59 PM
        17h 31m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Sat, Oct 31 | British Airways
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Sat, Nov 7 | British Airways
        €937
        32% off
        €1,379 €937
      • DCA 2:59 PM
        17h 31m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Fri, Oct 30 | British Airways
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Fri, Nov 6 | British Airways
        €947
        31% off
        €1,379 €947
      • DCA 5:12 PM
        14h 18m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Sat, Nov 7 | British Airways
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Sat, Nov 14 | British Airways
        €965
        30% off
        €1,379 €965
      • DCA 2:59 PM
        16h 36m
        2 stops
        NOC 12:35 PM
        Washington D.C. - Knock | Tue, Oct 13 | United Airlines
        NOC 1:05 PM
        12h 15m
        1 stop
        IAD 8:20 PM
        Knock - Washington D.C. | Tue, Oct 20 | Aer Lingus
        €980
        28% off
        €1,379 €980
      • DCA 10:43 AM
        20h 47m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Mon, Nov 16 | American Airlines
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Sat, Nov 21 | Aer Lingus
        €1,000
        27% off
        €1,379 €1,000
      • DCA 5:12 PM
        14h 18m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Mon, Nov 16 | Finnair
        NOC 1:05 PM
        11h 50m
        1 stop
        IAD 7:55 PM
        Knock - Washington D.C. | Sat, Nov 21 | Aer Lingus
        €1,000
        27% off
        €1,379 €1,000
      • DCA 6:20 PM
        14h 10m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Fri, Oct 30 | United Airlines
        NOC 1:05 PM
        31h 35m
        1 stop
        IAD 3:40 PM
        Knock - Washington D.C. | Fri, Nov 6 | Aer Lingus
        €1,006
        27% off
        €1,379 €1,006
      • DCA 9:45 PM
        33h 45m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Sun, Nov 15 | American Airlines
        NOC 1:05 PM
        23h 49m
        2 stops
        DCA 7:54 AM
        Knock - Washington D.C. | Sun, Nov 22 | Aer Lingus
        €1,006
        27% off
        €1,379 €1,006
      • WAS 1:00 PM
        17h 25m
        1 stop
        NOC 2:00 PM
        Washington D.C. - Knock | Fri, Oct 9 | Normal Airline
        NOC 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Knock - Washington D.C. | Sun, Oct 11 | Normal Airline
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      • DCA 3:30 PM
        16h
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Tue, Nov 24 | United Airlines
        €579 €899
        36% off
        36% off
        €899 €579
      • DCA 5:20 PM
        14h 10m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Tue, Nov 24 | American Airlines
        €592 €899
        34% off
        34% off
        €899 €592
      • DCA 5:14 PM
        14h 16m
        2 stops
        NOC 12:30 PM
        Washington D.C. - Knock | Tue, Nov 24 | Finnair
        €656 €899
        27% off
        27% off
        €899 €656
      • WAS 1:00 PM
        17h 25m
        1 stop
        NOC 2:00 PM
        Washington D.C. - Knock | Fri, Oct 9 | Normal Airline
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Displayed flight fares from Ronald Reagan Washington National Airport to Ireland West Knock Airport 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 Ronald Reagan Washington National Airport to Ireland West Knock Airport?

The cheapest airline flying from Ronald Reagan Washington National Airport to Ireland West Knock Airport is United Airlines (from €579) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From €579
American Airlines
From €592
Finnair
From €656
British Airways
From €937

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What is the flight schedule from Ronald Reagan Washington National 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. AA3035

    Ronald Reagan Washington National Airport

    7:18 PM

    DCA

    1h 40m

    Nonstop

    8:58 PM

    CLT

    - M - - - F -
    Search

  2. AA732

    Charlotte Douglas International Airport

    8:15 PM

    CLT

    8h

    Nonstop

    9:15 AM

    LHR

    S M T W T F S

  3. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  4. AY4254

    Ronald Reagan Washington National Airport

    12:59 PM

    DCA

    1h 32m

    Nonstop

    2:31 PM

    JFK

    S M T W T F S
    Search

  5. AY5516

    John F Kennedy Intl. Airport

    8:20 PM

    JFK

    7h 10m

    Nonstop

    8:30 AM

    LHR

    S M T W T F S

  6. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  7. UA4180

    Ronald Reagan Washington National Airport

    6:05 PM

    DCA

    1h 38m

    Nonstop

    7:43 PM

    EWR

    S M T W T F S
    Search

  8. UA904

    Newark Liberty Intl. Airport Airport

    8:00 PM

    EWR

    7h 20m

    Nonstop

    8:20 AM

    LHR

    S - - - - - -

  9. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  10. BA1860

    Ronald Reagan Washington National Airport

    6:23 PM

    DCA

    1h 37m

    Nonstop

    8:00 PM

    JFK

    S M T W T F S
    Search

  11. BA116

    John F Kennedy Intl. Airport

    8:05 PM

    JFK

    7h 5m

    Nonstop

    8:10 AM

    LHR

    S M T W T F S

  12. BA5989

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  13. BA6581

    Ronald Reagan Washington National Airport

    4:59 PM

    DCA

    1h 43m

    Nonstop

    6:42 PM

    BOS

    S M T W T F S
    Search

  14. BA1540

    Boston Logan International Airport

    7:25 PM

    BOS

    6h 55m

    Nonstop

    7:20 AM

    LHR

    S M T W T F S

  15. BA5989

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  16. AY4254

    Ronald Reagan Washington National Airport

    12:59 PM

    DCA

    1h 32m

    Nonstop

    2:31 PM

    JFK

    S M T W T F S
    Search

  17. AY5476

    John F Kennedy Intl. Airport

    7:35 PM

    JFK

    7h 10m

    Nonstop

    7:45 AM

    LHR

    S M T W T F S

  18. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  19. AY4254

    Ronald Reagan Washington National Airport

    12:59 PM

    DCA

    1h 32m

    Nonstop

    2:31 PM

    JFK

    S M T W T F S
    Search

  20. AY5472

    John F Kennedy Intl. Airport

    8:55 PM

    JFK

    7h 15m

    Nonstop

    9:10 AM

    LHR

    S M T W T F S

  21. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  22. AA2182

    Ronald Reagan Washington National Airport

    5:29 PM

    DCA

    1h 38m

    Nonstop

    7:07 PM

    CLT

    S M T W T F S
    Search

  23. AA732

    Charlotte Douglas International Airport

    8:15 PM

    CLT

    8h

    Nonstop

    9:15 AM

    LHR

    S M T W T F S

  24. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  25. UA1325

    Ronald Reagan Washington National Airport

    3:30 PM

    DCA

    2h 24m

    Nonstop

    4:54 PM

    ORD

    S M T W T - S
    Search

  26. UA920

    O'Hare Intl. Airport

    6:05 PM

    ORD

    8h 25m

    Nonstop

    8:30 AM

    LHR

    S M T W T F S

  27. EI915

    Heathrow Airport

    11:05 AM

    LHR

    1h 30m

    Nonstop

    12:35 PM

    NOC

    S M T W T F S

  28. UA4560

    Ronald Reagan Washington National Airport

    3:05 PM

    DCA

    1h 24m

    Nonstop

    4:29 PM

    EWR

    S M T W T F S
    Search

  29. UA940

    Newark Liberty Intl. Airport Airport

    9:00 PM

    EWR

    7h 20m

    Nonstop

    9:20 AM

    LHR

    S M T W T F S

  30. 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 Ronald Reagan Washington National Airport and Ireland West Knock Airport

Learn about Ronald Reagan Washington National Airport (DCA) and Ireland West Knock Airport (NOC) — including location, terminals, transportation, and travel tips.

Flight distance 5,274.93 km
Cheapest one-way ticket price €579
Cheapest return ticket price €888

FAQs for Ronald Reagan Washington National 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 Ronald Reagan Washington National Airport to Ireland West Knock Airport currently start from €579, and round-trip fares start from €888. The current lowest fare is a United Airlines flight departing on Tue, Nov 24; prices may vary depending on availability.
  • Enter Ronald Reagan Washington National 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.

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

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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.

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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.