Cheap flights from Denver to Buffalo

DEN — BUF
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Denver to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 October 2025.

Popular in

January

Cheapest in

September

Average price

C$ 409
Highest demand for flights based on searches. 12% potential increase in price (C$ 94 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Best time to book a flight from Denver to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Buffalo

How far ahead should I book a flight from Denver to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Buffalo. Price data was last updated on 10 October 2025.

The best time to book flights from Denver to Buffalo is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Buffalo?

Currently, October is the cheapest month in which you can book a flight from Denver to Buffalo (average of C$ 138). Flying from Denver to Buffalo in April is currently the most expensive (average of C$ 317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to BUF?

Find hourly flight availability from Denver to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

When flying from Denver to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 69% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Denver to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Denver to Buffalo flight route?

  • What are the most reliable airlines from Denver to Buffalo?

    Before booking your flight to Buffalo from Denver, check out the most reliable airlines to get you to your destination on time: Frontier (79%), Southwest (76%), United Airlines( 53%).

  • Can I find deals for flights from Denver to Buffalo that include hotel bookings?

    Yes. In addition to deals on Denver to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Buffalo.

  • Can I find deals for business class flights from Denver to Buffalo?

    Yes. Cheapflights offers flight deals from Denver to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Buffalo?

    Currently, October is the cheapest month in which you can book a flight from Denver to Buffalo (average of C$ 138). Flying from Denver to Buffalo in April is currently the most expensive (average of C$ 317). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Cheektowaga
Tonawanda
Batavia
Williamsville
Amherst

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Buffalo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Denver to Buffalo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Denver to Buffalo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Buffalo from Denver.

Can Cheapflights find flights from Denver to Buffalo with no change fees?

Yes! Cheapflights helps users easily find flights from Denver to Buffalo with no change fees.

Can Cheapflights notify me if prices for flights from Denver to Buffalo become cheaper?

Of course! You can now track prices for flights from Denver to Buffalo and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.