✈️ Flight Guide: New York (Any) → Washington, D.C. (IAD)

New York City (All Airports) (NYCA) covers John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA), and Newark Liberty International Airport (EWR). All three airports regularly offer flights to Washington Dulles International Airport (IAD) via major carriers and regional partners. For the most options and competitive fares in September, compare departures from JFK, LGA and EWR before booking.

Gate-to-gate flight time is usually about 1 hour 10 minutes to 1 hour 40 minutes depending on traffic and routing, with block times often scheduled at ~1 hour 20 minutes. September’s stable fall weather often yields on-time performance improvements, but factor in extra time for airport security and ground transfers.

Yes — United Airlines, American Airlines, Delta Air Lines and select regional carriers operate nonstop flights from the NYC airports to Washington Dulles (IAD). Frequency is high in September, especially around weekday business hours and the Labor Day weekend, so check schedules early to lock in nonstop options.

For September travel, book 3–8 weeks ahead for the best mix of price and availability, but if your trip overlaps Labor Day weekend or major NYC events like the US Open, reserve at least 6–10 weeks in advance. Use fare alerts and flexible-date searches to capture cheap flights New York to Washington Dulles.

From Manhattan you can reach JFK by AirTrain + subway or ride-share, LGA via shuttle or taxi and EWR by AirTrain + NJ Transit. In September, plan for moderate traffic; allow extra time for weekend events. Many travelers use rideshare or express buses to reach terminals quickly — always check real-time transit schedules before departure.

September typically brings mild to warm days and cooler mornings in New York City. While hurricane season runs through November, severe weather is relatively uncommon; still, monitor forecasts before flying. Pack layers and allow buffer time for delays if tropical weather systems are active along the East Coast.

Washington Dulles International Airport (IAD) is about 26 miles (42 km) west of downtown Washington, DC. Depending on traffic and your mode of travel, expect 40–75 minutes by car in September; the Silver Line metro extension provides a reliable rail connection that typically takes about 50–70 minutes to reach central DC.

Options include the Metrorail Silver Line extension, shared shuttles, buses, taxis, rideshare services, and car rentals. In September, service frequencies are stable but plan for extra travel time during special events or construction. Book shared-ride shuttle seats or reserve car rentals in advance during busy weekends.

Yes. Many carriers operate direct flights from JFK, LGA, and EWR to IAD throughout September. United Airlines often has the most nonstop options to Dulles, while American, Delta and select regional carriers add capacity on peak travel days.

September in the DC region features conferences, university move-ins and the early NFL season, which can raise demand for ground transport and hotel rooms. Plan extra travel time, book hotels early, and check the Metropolitan Washington tourism calendar to avoid service bottlenecks.

From Washington Dulles International Airport (IAD) you can easily access Washington, DC (National Mall), Arlington (VA), Alexandria (VA), Baltimore (MD), and scenic drives to Shenandoah National Park for early fall foliage. September is an ideal time to combine city museums with short nature escapes.

September can see residual impacts from Atlantic tropical systems, but most days are clear and mild. Delays occur occasionally due to storms; monitor flight status and sign up for airline alerts. Travel insurance and flexible tickets are advisable if you're booking around potential storm systems.