Submit feedbackSubmit feedbackComplete travel information for your September journey
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.
September along the NYCA–IAD corridor offers Labor Day weekend activities, early-fall neighborhood festivals, and resumption of many cultural programs. In New York City, late-summer events such as the US Open (if overlapping) can affect flight demand; in the Washington region, conferences and university events increase midweek business travel. Check Destination NYC and Destination DC calendars for exact event dates and plan travel around major gatherings.
The best time to fly from New York City (All Airports) (NYCA) to Washington Dulles International Airport (IAD) in September is midweek (Tuesday–Thursday) when fares are typically lower and airports are less crowded. Early-morning and late-evening departures often yield the cheapest tickets and faster security lines. Avoid traveling on Labor Day weekend if possible, as prices and demand spike.
Nonstop flights between New York City (All Airports) (NYCA) and Washington Dulles International Airport (IAD) are time-saving and convenient, typically available from major carriers. Connecting flights may be cheaper but add total travel time and the risk of missed connections. For short routes like NYCA–IAD in September, prioritizing nonstop flights usually offers the best trade-off between price and convenience.
Major carriers serving the NYCA–IAD corridor in September include United Airlines, American Airlines, Delta Air Lines and JetBlue, with United often offering the most nonstop frequency to Dulles. Legacy carriers provide higher frequency and better schedule flexibility, while low-cost carriers and regionals can offer cheaper fares with fewer amenities. When comparing airlines, consider fare class, change/cancellation policies, luggage fees and loyalty program benefits.
September travel between New York City (All Airports) (NYCA) and Washington Dulles International Airport (IAD) benefits from cooler weather and shoulder-season pricing, but remain mindful of occasional tropical weather during Atlantic hurricane season. Pack lightweight layers for warm afternoons and cool evenings, check flight status in the morning of travel, and allow extra time for transfers during Labor Day and event weekends. Consider booking refundable fares or trip protection if your itinerary is time-sensitive.
Flight time between New York City (All Airports) (NYCA) and Washington Dulles International Airport (IAD) is short — typically 1 hour 10 minutes to 1 hour 40 minutes gate-to-gate. Schedules in September offer multiple daily nonstops from JFK, LGA and EWR, with higher frequency during weekday business hours and early evenings. For reliable connections, allow at least 90 minutes for domestic connections and check airline minimum connection times.
Finding cheap flights from New York City (All Airports) (NYCA) to Washington Dulles International Airport (IAD) in September requires flexible dates, early-morning or late-evening searches, and fare alerts. Use multi-airport searches across JFK, LGA and EWR and compare low-cost and legacy carriers. Consider midweek travel and avoid Labor Day weekend to secure the best prices. Bundling hotel or car with flights and using airline membership discounts can lower total trip costs.