Submit feedbackComplete travel information for your September journey
Direct service on the BWI to BUF route is limited and varies by season; you can often find one-stop itineraries with American Airlines, Delta Air Lines and United Airlines. Low-cost carriers and regional partners sometimes offer seasonal or weekend nonstop flights — check carriers' schedules and aggregator sites for the latest Baltimore to Buffalo flight availability.
A nonstop flight between Baltimore/Washington International Thurgood Marshall Airport (BWI) and Buffalo Niagara International Airport (BUF) typically takes about 1 hour 20 minutes to 1 hour 35 minutes. If you choose a one-stop itinerary, total travel time commonly ranges from 3 to 6 hours depending on connection times and routing.
September is a shoulder season for travel between Baltimore and Buffalo, so you can often find lower fares compared to summer peak months. To secure cheap flights from BWI to BUF in September, search for midweek departures, set fare alerts, and book 2–6 weeks in advance; flexible dates and comparison across low-cost and legacy carriers will increase your chances of finding a deal.
For a domestic BWI departure to Buffalo, arrive at Baltimore/Washington International Thurgood Marshall Airport (BWI) at least 90 minutes before your scheduled departure if you have checked baggage or require standard security screening. If you’re traveling during a busy September holiday like Labor Day weekend or need to check bags, allow two hours to account for traffic, parking, or longer TSA lines.
Baltimore/Washington International Thurgood Marshall Airport (BWI) offers multiple ground transport options including MTA Light Rail, MARC train connections, Amtrak service to BWI, shuttle buses, rideshares, and on-site rental car facilities. Short- and long-term parking lots, economy lots serviced by shuttles, and airport hotels with park-and-fly packages make it easy whether you're traveling from Baltimore, Washington, D.C., Annapolis, or nearby suburbs.
Baggage policies vary by airline; most carriers allow a carry-on and a checked bag for a fee unless a fare includes checked luggage. Since September in Buffalo can bring cool mornings and layers, pack a light jacket and check airline rules for oversized sports equipment or winter gear ahead of time — contact your carrier for fees and packing tips prior to travel from Baltimore/Washington International Thurgood Marshall Airport (BWI).
From Buffalo Niagara International Airport (BUF), you can choose taxis, rideshare services such as Uber and Lyft, car rentals, or local NFTA bus connections into downtown Buffalo. Specialized shuttles and private transfer services run to Niagara Falls and nearby hotels; for trips to Toronto or Rochester, renting a car is often the most flexible option due to regional transit limits.
Buffalo in September generally brings mild, comfortable weather with daytime highs in the mid-60s to low 70s°F (18–23°C) and cooler evenings. Pack light layers, a compact rain jacket for unpredictable showers near Lake Erie and Niagara Falls, and comfortable footwear for sightseeing; early fall is perfect for outdoor activities and short hikes.
Direct service between Baltimore/Washington International Thurgood Marshall Airport (BWI) and Buffalo Niagara International Airport (BUF) is sometimes available depending on seasonal schedules and carrier decisions. If nonstop options are limited in September, one-stop itineraries through hubs like Charlotte, Philadelphia, or Detroit are common — check current schedules for confirmed Baltimore to Buffalo nonstop flights.
September in the Buffalo region features early fall festivals, college and NFL football, farmers markets, and cultural events that highlight local food and music. Visitors flying into Buffalo Niagara International Airport (BUF) from Baltimore/Washington International Thurgood Marshall Airport (BWI) can enjoy waterfront concerts at Canalside, tailgates and Bills games at Highmark Stadium, and nearby harvest and craft fairs in Erie County. Weekends can be busier due to sporting events and regional festivals, so book accommodations and car rentals early.
For September travel from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF), the best time to fly is typically midweek (Tuesday through Thursday) to capitalize on lower fares and lighter airport crowds. Booking 2–6 weeks in advance usually yields the best combination of availability and price, though last-minute deals can occur outside holiday weekends. Early morning departures often experience fewer delays and smoother connections.
Choosing between direct and connecting flights on the BWI to BUF route depends on priorities: nonstop itineraries minimize travel time (about 1 hr 20–35 min) but may be less frequent or more expensive, while connecting flights increase options and sometimes lower fares but lengthen total travel time. In September, when direct options may be reduced, weigh the cost savings of a one-stop through hubs like CLT, PHL, or DTW against potential layover risks and total journey time.
Major carriers serving the Baltimore to Buffalo market typically include American Airlines, Delta Air Lines, and United Airlines with connecting service through their hubs; low-cost and regional carriers may appear seasonally. Compare ticket conditions: basic economy fares restrict seat selection and carry-on rules, while main cabin tickets include more flexibility. For September travel, evaluate schedule convenience and total door-to-door time — sometimes a slightly higher fare with a nonstop or shorter connection is worth the premium.
September is an excellent time to travel between Baltimore/Washington International Thurgood Marshall Airport (BWI) and Buffalo Niagara International Airport (BUF) thanks to cooler temperatures and reduced summer crowds. Bring layers and a light rain jacket for unpredictable showers, monitor Bills game schedules that may spike local demand, and consider booking refundable or flexible fares if your trip coincides with regional events. Arrive earlier for morning departures from BWI or allow extra time on return trips if there are sporting events in Buffalo.
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF), when available, usually take about 1 hour 20–35 minutes. Many itineraries are one-stop and route through regional hubs like Charlotte (CLT), Philadelphia (PHL), or Detroit (DTW), expanding morning and evening options. In September, airlines may adjust frequencies after the summer peak, so check daily schedules and plan for potential limited nonstop options.
To find cheap flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Buffalo Niagara International Airport (BUF) in September, use flexible-date search tools, sign up for fare alerts, and compare budget carriers against legacy airlines. Aim to book 2–6 weeks before travel for the best deals during shoulder season; midweek departures often yield the lowest fares. Consider one-stop itineraries via major hubs like Charlotte, Philadelphia or Detroit if nonstop pricing is high. Always clear baggage fees and connection times before purchase to ensure the lowest total trip cost.
After arriving at Buffalo Niagara International Airport (BUF), head to Niagara Falls for world-class scenery, explore Canalside and the Buffalo waterfront, and enjoy Elmwood Village's dining and arts scene. For day trips, consider Rochester, Syracuse, or even a drive to Toronto if you plan for cross-border travel; these nearby major destinations expand sightseeing options beyond Buffalo.
Public transit options from Buffalo Niagara International Airport (BUF) to Niagara Falls include NFTA buses and seasonal shuttles, but schedules may be limited outside peak summer months. Travel to Toronto requires crossing an international border; direct public transit options are limited, so a rental car, shuttle service, or intercity bus with customs processing is usually more practical.
Buffalo Niagara International Airport (BUF) has streamlined domestic arrival procedures with ground transportation, car rental counters, and baggage claim services near the main terminal. September travel typically sees moderate passenger volumes after the summer peak, but check arrival times and allow extra time for luggage and ground transfers if traveling during holiday weekends or Buffalo Bills home game days.
