Cheap Flights from Denver (DEN) to Buffalo (BUF)

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Popular airlines from Denver International Airport (DEN) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Denver (DEN) to Buffalo (BUF)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
One-way flights typically cost between $289 and $1,503 and return flights often range between $1,454 and $4,457. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
September is typically the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with average return fares of approximately 845 AUD. This is about 15% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) include April and August.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter DEN to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) (DEN) to Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. WN offers the most daily flights from Denver, CO (DEN-Denver Intl.) (DEN) to Buffalo, NY (BUF-Buffalo Niagara Intl.) (BUF), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When looking for the best time to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), it's a balance between price and popularity. Historically, the cheapest months to fly are September and April. However, the most popular months for travel are August and June. Since there isn't an overlap between the cheapest and most popular months, you'll need to decide what's most important for your trip. If saving money is your priority, aim for September or April, where you might find return flights for around 845 AUD. If you prefer to travel when more people are flying, which often means more flight options, consider August or June.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 2 nonstop flights per day from Denver International (DEN) to Buffalo Niagara International (BUF). For even more choice, look at flights that include layovers, as there are around 145 connecting flights per day. Some common connection points include O'Hare International (ORD), Dallas-Fort Worth International (DFW), and Hartsfield-Jackson Atlanta International (ATL).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs at approximately 12:00 AM local time, operated by Frontier Airlines. This is a seasonal service active in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll find the most flights from Denver Intl. (DEN) to Buffalo Niagara Intl. (BUF) on a Friday, with around 73 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United Airlines, and Delta Air Lines. Flight schedules show notably more flight options on Fridays compared to other days of the week.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are in the early morning, from 6am to 9am. Around 27% of passengers reckon this time window's best. Heaps of major carriers, including Southwest Airlines, American Airlines and Delta Air Lines, offer flights during this window. Many travelers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Direct flights from DEN to BUF usually take about 3 hours 20 minutes, traveling roughly 1,356 miles. If you opt for a connecting flight, expect to add around 3 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for DEN to BUF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Denver Intl. (DEN)?
If you're planning to travel to Buffalo from Denver Intl. (DEN), you can fly directly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Eppley Field (OMA), Kansas City Intl. (MCI), Lambert-St. Louis Intl. (STL) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Buffalo Niagara Intl.
Distance
2169 km
Average flight time
5 hours 13 mins

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Your quick guide to flights from Denver to Buffalo

Pick up great flights from Denver to Buffalo

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Denver to Buffalo. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to Buffalo that take around hours.

Find cheap flights from Denver to Buffalo

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to Buffalo around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Buffalo is normally in .

Reasons to book your flight from Denver to Buffalo with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to Buffalo across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Buffalo right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Denver to Buffalo

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