C$ 217 Find Cheap Flights from Buffalo to Denver – Compare and Save

These are the earliest and latest flight times available from Buffalo to Denver:

• Earliest: departs at 5:10 am and lands at 8:56 am
• Latest: departs at 4:55 pm and lands at 8:41 pm.

The flight takes about 3h 46m.

Only Economy Class is available on flights from Buffalo to Denver.

A direct flight from Buffalo to Denver takes 3h 46m, covering 3,509 km.

No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

Round-trip flights from Buffalo to Denver range from C$ 480 to C$ 738, with an average of C$ 618 over the past 12 months. Anything below C$ 480 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 19% above the C$ 618 route average. Book 17 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 301 round-trip via Charlotte Douglas (CLT), compared to C$ 642 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 57–C$ 128 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Morning is the busiest departure period on Buffalo to Denver flights, with 50% leaving in that window. Afternoon departures account for 50%, Evening flights for 0%, and Night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 429 to C$ 2,918. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Buffalo to Denver are currently lower than usual. Average one-way flight prices are about C$ 254, which is 31% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around C$ 21 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• Europcar
• NU Car
• Hertz

Flights from Buffalo to Denver usually depart from Buffalo (BUF) and arrive at Denver Intl (DEN).

One-stop flights from Buffalo to Denver most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) – 40% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) – 13% of one-stop connections
• Chicago O'Hare Intl (ORD) – 13% of one-stop connections
• Baltimore/Washington (BWI) – 7% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from Buffalo to Denver. Wednesday is the cheapest departure day at C$ 574 round-trip on average, while Monday is the most expensive at C$ 713, a difference of C$ 138.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Buffalo and Denver. The airlines offering direct flights on this route include:

• United Airlines
• Southwest

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 5h 33m, compared with 5h 49m via Detroit Metropolitan Wayne County (DTW) and 6h 16m via Chicago O'Hare Intl (ORD).

Denver is 2 hours behind Buffalo (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Denver are Colorado Convention Center, 16th Street Mall, and Sheraton Denver Downtown Hotel. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Buffalo to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a carry-on bag and a checked bag in Economy Class
• Southwest: a carry-on bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.