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Hyannis to Washington D.C. flight
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Cape Cod Gateway Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Cape Cod Gateway Airport to Dulles International Airport over the next 90 days, with one-way fares from €397 and round-trip from €865. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      HYA 07:05
      14h 29m
      1 stop
      IAD 21:34
      Hyannis - Washington D.C. | Sat, Oct 31 | Cape Air
      €397 €1,000
      60% off
      60% off
      €1,000 €397
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Tue, Oct 27 | Cape Air
      €399 €1,000
      60% off
      60% off
      €1,000 €399
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Thu, Oct 29 | Cape Air
      €421 €1,000
      57% off
      57% off
      €1,000 €421
    • HYA 09:25
      8h 3m
      1 stop
      IAD 17:28
      Hyannis - Washington D.C. | Fri, Nov 13 | Cape Air
      €453
      55% off
      €1,000 €453
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Sun, Oct 25 | Cape Air
      €700
      30% off
      €1,000 €700
    • HYA 13:00
      17h 25m
      1 stop
      WAS 14:00
      Hyannis - Washington D.C. | Sun, Oct 25 | Normal Airline
      More cheap flights
      More cheap flights
    • HYA 07:05
      9h 22m
      1 stop
      IAD 16:27
      Hyannis - Washington D.C. | Wed, Oct 28 | Cape Air
      IAD 08:40
      7h 10m
      1 stop
      HYA 15:50
      Washington D.C. - Hyannis | Fri, Oct 30 | United Airlines
      €865 €1,236
      30% off
      30% off
      €1,236 €865
    • HYA 13:00
      17h 25m
      1 stop
      WAS 14:00
      Hyannis - Washington D.C. | Sun, Oct 25 | Normal Airline
      WAS 15:00
      6h
      Nonstop
      HYA 16:00
      Washington D.C. - Hyannis | Tue, Oct 27 | Normal Airline
      More cheap flights
      More cheap flights
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Tue, Oct 27 | Cape Air
      €399 €1,000
      60% off
      60% off
      €1,000 €399
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Thu, Oct 29 | Cape Air
      €421 €1,000
      57% off
      57% off
      €1,000 €421
    • HYA 07:05
      4h 10m
      1 stop
      IAD 11:15
      Hyannis - Washington D.C. | Sun, Oct 25 | Cape Air
      €700 €1,000
      30% off
      30% off
      €1,000 €700
    • HYA 09:25
      8h 3m
      1 stop
      IAD 17:28
      Hyannis - Washington D.C. | Fri, Nov 13 | Cape Air
      €453
      55% off
      €1,000 €453
    • HYA 07:05
      14h 29m
      1 stop
      IAD 21:34
      Hyannis - Washington D.C. | Sat, Oct 31 | Cape Air
      €397
      60% off
      €1,000 €397
    • HYA 13:00
      17h 25m
      1 stop
      WAS 14:00
      Hyannis - Washington D.C. | Sun, Oct 25 | Normal Airline
      More cheap flights
      More cheap flights

Displayed flight fares from Hyannis to Washington D.C. 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 Cape Cod Gateway Airport to Dulles International Airport?

The cheapest airline flying from Cape Cod Gateway Airport to Dulles International Airport is Cape Air (from €319) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Cape Air
From €319

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What is the flight schedule from Cape Cod Gateway Airport to Dulles International Airport?

Check on the flight schedule from Hyannis to Washington D.C. to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. 9K7041

    Cape Cod Gateway Airport

    07:05

    HYA

    50m

    Nonstop

    07:55

    BOS

    S M T W T F S
    Search

  2. UA2098

    Boston Logan International Airport

    09:30

    BOS

    1h 49m

    Nonstop

    11:19

    IAD

    S M T W T F S

  3. 9K7101

    Cape Cod Gateway Airport

    10:26

    HYA

    50m

    Nonstop

    11:16

    BOS

    S M T W T F S
    Search

  4. DL5808

    Boston Logan International Airport

    13:10

    BOS

    1h 31m

    Nonstop

    14:41

    JFK

    S M T W T F S

  5. DL5638

    John F. Kennedy International Airport

    15:55

    JFK

    1h 38m

    Nonstop

    17:33

    IAD

    S M T W T F S

  6. 9K7041

    Cape Cod Gateway Airport

    07:05

    HYA

    50m

    Nonstop

    07:55

    BOS

    S M T W T F S
    Search

  7. UA721

    Boston Logan International Airport

    14:20

    BOS

    1h 49m

    Nonstop

    16:09

    IAD

    S M T W T F S

  8. 9K7041

    Cape Cod Gateway Airport

    07:05

    HYA

    50m

    Nonstop

    07:55

    BOS

    S M T W T F S
    Search

  9. DL5808

    Boston Logan International Airport

    13:10

    BOS

    1h 31m

    Nonstop

    14:41

    JFK

    S M T W T F S

  10. DL5638

    John F. Kennedy International Airport

    15:55

    JFK

    1h 38m

    Nonstop

    17:33

    IAD

    S M T W T F S

  11. 9K7101

    Cape Cod Gateway Airport

    10:26

    HYA

    50m

    Nonstop

    11:16

    BOS

    S M T W T F S
    Search

  12. AA889

    Boston Logan International Airport

    14:54

    BOS

    2h 30m

    Nonstop

    17:24

    CLT

    S - T W T F S

  13. AA3238

    Charlotte Douglas International Airport

    19:30

    CLT

    1h 26m

    Nonstop

    20:56

    IAD

    S M T W T F S

  14. 9K7101

    Cape Cod Gateway Airport

    10:26

    HYA

    50m

    Nonstop

    11:16

    BOS

    S M T W T F S
    Search

  15. AA1140

    Boston Logan International Airport

    16:49

    BOS

    2h 30m

    Nonstop

    19:19

    CLT

    S M T W T F S

  16. AA5077

    Charlotte Douglas International Airport

    22:30

    CLT

    1h 28m

    Nonstop

    23:58

    IAD

    S M - W T F S

  17. 9K7041

    Cape Cod Gateway Airport

    07:05

    HYA

    50m

    Nonstop

    07:55

    BOS

    S M T W T F S
    Search

  18. UA694

    Boston Logan International Airport

    19:41

    BOS

    1h 47m

    Nonstop

    21:28

    IAD

    S M T W - - S
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About Cape Cod Gateway Airport and Dulles International Airport

Learn about Cape Cod Gateway Airport (HYA) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 678.92 km
Cheapest one-way ticket price €397
Cheapest return ticket price €865

FAQs for Cape Cod Gateway Airport to Dulles International Airport Flights

  • What are the cheapest flights from Cape Cod Gateway Airport to Dulles International Airport?

    One-way flights from Cape Cod Gateway Airport to Dulles International Airport currently start from €397, and round-trip fares start from €865. The current lowest fare is a Cape Air flight departing on Sat, Oct 31; 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 Cape Cod Gateway Airport to Dulles International Airport is €448. Prices may vary depending on the departure date, airline, and availability.
  • Enter Cape Cod Gateway Airport and Dulles International 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 the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.