$106 Find Cheap Flights from Denver to Buffalo - Compare and Save

There are major airlines flying direct and offering nonstop services along this route. Frontier and Southwest Airlines are some major airlines frequently operating between DEN and BUF nonstop. However, if you are traveling on a budget and want to save money, consider booking the one-stop option flights such as Delta, American and United Airlines, usually with layovers at multiple airports, including LAS, ORD and MSP.

Yes, pets are welcome at Denver International Airport. There are several approved pet relief sites there. As a result, passengers traveling with dogs can benefit from these services to keep their animals comfortable after a long voyage. The pet relieving facilities provide sinks, disposable trash bags, and fire hydrants. They are located in the airport's Concourses B, A, and C. However, while at the airport, keeping your furry friends on a leash is vital unless you are using the pet relief facilities.

There are various parking lots at Denver International Airport that passengers who want to leave their cars at the airport while flying out of the city can utilize. If you are looking forward to parking long-term, you can choose to use the Mt Elbert Lot, The Economy lot, and Pikes Peak Lot. However, if you want to park for 12h or less, you can opt for the short-term parking lots located in Garage East on the arrivals level. The airport also offers complimentary shuttle services picking and dropping off passengers at these garages.

There are many prestigious hotels in BUF where you can stay. Buffalo Airport Hotel and Aloft Buffalo Airport Hotel are the perfect options. These hotels are conveniently located and have first-rate amenities like plenty of parking, a fitness center, and an outdoor pool. Consider spending the night in one of these hotels if your flight is early in the morning.

Among airlines operating Denver to Buffalo 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.

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

• Southwest
• United Airlines

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

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

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

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

Two cabin classes are available on flights from Denver to Buffalo:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $263 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $465 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$90 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 and Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

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

• Atlanta Hartsfield-Jackson (ATL) - 34% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 15% of one-stop connections
• Chicago Midway (MDW) - 10% of one-stop connections
• New York John F Kennedy Intl (JFK) - 9% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 34% on the Denver to Buffalo route. Friday is the cheapest departure day at $331 round-trip on average, while Monday is the most expensive at $498, a difference of $167. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

• Earliest: departs at 10:45 am and lands at 1:54 pm
• Latest: departs at 5:45 pm and lands at 8:54 pm.

The flight takes about 3h 09m.

Last-minute fares on this route - booked within 2 weeks of departure - run 48% above the route average of $416. Book 26 weeks before departure for the lowest fares.

A nonstop flight from Denver to Buffalo takes 3h 09m, covering 1,355 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Denver to Buffalo are currently lower than usual. Average one-way flight prices are about $176, which is 21% below the typical average for this route.

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 5h 21m, compared with 5h 33m via Detroit Metropolitan Wayne County (DTW) and 6h 04m via Baltimore/Washington (BWI).

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

Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Alamo
• Thrifty

Round-trip flights from Denver to Buffalo range from $288 to $526, with an average of $416 over the past 12 months. Anything below $288 counts as a good deal.

JetBlue is the only airline on the Denver to Buffalo route offering in-flight Wi-Fi. Pricing depends on fare class.