Denver, CO DEN to Buffalo, NY BUF Flights

The earliest flight from Denver, CO to Buffalo, NY leaves at 5: 00AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from Denver, CO to Buffalo, NY leaves at 11: 40PM.

The cheapest month to travel from Denver, CO to Buffalo, NY by plane is April.

It's helpful to compare your options as there are 2 ways to travel from Denver, CO to Buffalo, NY including taking a train or bus.

Since neither Denver, CO nor Buffalo, NY are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 2 h between Denver, CO and Buffalo, NY all year round.

The best events to attend in Buffalo, NY include:

• Buffalo Wing Festival, a delicious celebration of the city's famous chicken wings with tastings and competitions
• Allentown Art Festival, an annual showcase of local and national artists featuring unique crafts and live music
• Buffalo Niagara Film Festival, a vibrant event highlighting independent films from around the world with screenings and discussions.

The best holidays to experience in Buffalo, NY include:

• Independence Day, vibrant fireworks and festive celebrations throughout the city
• Labor Day, pleasant weather perfect for outdoor activities and local events
• Thanksgiving, a time for family gatherings with a charming autumn atmosphere.

The best seasons to visit Buffalo, NY are Fall or Summer. The best weather to explore Buffalo, NY is during May-September.

For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e. G. 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs).
Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you.
Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.