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Stewart International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Stewart International Airport to Dulles International Airport over the next 90 days, with one-way fares from KRW 190,100 and round-trip from KRW 331,600. Based on Trip.com's latest 7-day flight data.

    • SWF 18:48
      27h 14m
      1 stop
      IAD 22:02
      New York - Washington D.C. | Thu, Nov 19 | Allegiant Air
      DCA 07:00
      1h 29m
      Direct
      LGA 08:29
      Washington D.C. - New York | Sun, Nov 22 | American Airlines
      KRW 331,600 KRW 936,100
      65% off
      65% off
      KRW 936,100 KRW 331,600
    • SWF 18:48
      27h 14m
      1 stop
      IAD 22:02
      New York - Washington D.C. | Sun, Nov 22 | Allegiant Air
      DCA 14:54
      1h 24m
      Direct
      LGA 16:18
      Washington D.C. - New York | Fri, Nov 27 | American Airlines
      KRW 389,900 KRW 936,100
      57% off
      57% off
      KRW 936,100 KRW 389,900
    • SWF 12:39
      9h 34m
      2 stops
      IAD 22:13
      New York - Washington D.C. | Wed, Dec 30 | Breeze Airways
      DCA 07:30
      1h 23m
      Direct
      LGA 08:53
      Washington D.C. - New York | Sun, Jan 3 | American Airlines
      KRW 833,100 KRW 936,100
      11% off
      11% off
      KRW 936,100 KRW 833,100
    • NYC 13:00
      17h 25m
      1 stop
      WAS 14:00
      New York - Washington D.C. | Tue, Nov 3 | Normal Airline
      WAS 15:00
      6h
      Direct
      NYC 16:00
      Washington D.C. - New York | Thu, Nov 5 | Normal Airline
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    • Cheapest
      SWF 11:00
      9h 11m
      1 stop
      IAD 20:11
      New York - Washington D.C. | Thu, Nov 12 | Allegiant Air
      KRW 190,100 KRW 213,600
      11% off
      11% off
      KRW 213,600 KRW 190,100
    • NYC 13:00
      17h 25m
      1 stop
      WAS 14:00
      New York - Washington D.C. | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights
    • SWF 11:00
      9h 11m
      1 stop
      IAD 20:11
      New York - Washington D.C. | Thu, Nov 12 | Allegiant Air
      KRW 190,100 KRW 213,600
      11% off
      11% off
      KRW 213,600 KRW 190,100
    • NYC 13:00
      17h 25m
      1 stop
      WAS 14:00
      New York - Washington D.C. | Tue, Nov 3 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from New York 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 Stewart International Airport to Dulles International Airport?

The cheapest airline flying from Stewart International Airport to Dulles International Airport is Allegiant Air (from KRW 190,100) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From KRW 190,100

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About Stewart International Airport and Dulles International Airport

Learn about Stewart International Airport (SWF) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 401.42km
Cheapest one-way ticket price KRW 190,100
Cheapest return ticket price KRW 331,600

FAQs for Stewart International Airport to Dulles International Airport Flights

  • How many daily flights are there from Stewart International Airport (SWF) to Dulles International Airport (IAD)?

    There are around 2 daily flights from Stewart International Airport (SWF) to Dulles International Airport (IAD).
  • The route from Stewart International Airport (SWF) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around KRW 4,871,000 in October, the most expensive month to book this route.
  • Hopscotch Air is a very popular airline operating an average of 1 flights per month.
  • One-way flights from Stewart International Airport to Dulles International Airport currently start from KRW 190,100, and round-trip fares start from KRW 331,600. The current lowest fare is a Allegiant Air flight departing on Thu, Nov 12; 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 Stewart International Airport to Dulles International Airport is KRW 220,800. Prices may vary depending on the departure date, airline, and availability.
  • Enter Stewart International 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.

Find Cheap Flights with Trip.com

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

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.