Cheap flights from Buffalo to Denver from C$ 149
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Denver departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Buffalo to Denver
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United Airlines flights from Buffalo to Denver
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How to get the cheapest flight ticket from Buffalo to Denver
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denver?
In general, September is the cheapest month to fly from Buffalo to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 369. If you aren’t able to travel during the month of September, then book flights to Denver from Buffalo during August instead. Flights to Denver in August, while not as cheap as those in September, still average around C$ 373.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart from Buffalo to Denver is on a Wednesday. Travellers who choose to depart for Denver on a Wednesday will often find tickets for as low as C$ 327. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 643.
What is the cheapest time of day to depart on your flight to Denver?
Our most recent data shows that the best time of day to fly to Denver is at noon. Flights from Buffalo to Denver during this time can be as low as C$ 308. Try not to purchase tickets in the morning because they tend to be around C$ 601. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Buffalo to Denver Intl flight route?
Fly from Buffalo to Denver Intl for the best Buffalo - Denver Intl flight prices
How far in advance should I book a flight to Denver?
You are more likely to see cheaper flights to Denver from Buffalo when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 451 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Buffalo for as low as C$ 324 on momondo.
What cabin class options are available on Buffalo to Denver Intl flights?
There are 1 cabin classes available to choose from on Buffalo to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Buffalo to Denver Intl?
Southwest, Delta, and JetBlue are the most popular carriers operating from Buffalo to Denver Intl
Which airlines fly to Denver?
Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Buffalo according to our data. Frontier is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from Buffalo to Denver on average per day?
1 flights are operational daily from Buffalo to Denver as of June 2025. The most popular departure time for this route is 8:00a.m., with 53% of flights per day taking off at noon.
How many flights depart from Buffalo to Denver on average per week?
12 flights are operational weekly from Buffalo to Denver as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
When to book flights from Buffalo to Denver
Cheap Buffalo to Denver (BUF to DEN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Denver
How far is Buffalo to Denver Intl by plane?
A flight from Buffalo to Denver Intl will travel around 2197.7 km. Flights usually cover this in 3h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Buffalo Airport to Denver Intl Airport?
Prices for flights from Buffalo Airport to Denver Intl Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Denver Intl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Buffalo Airport to Denver Intl Airport.
How old do you have to be to fly from Buffalo Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Buffalo to Denver?
Based on momondo bookings for flights between Buffalo and Denver, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 28.57% of the total bookings. Other popular models include Boeing 737-800 with 23.69%, Boeing 737 MAX 8 with 11.45%, and Airbus A321-100/200 with 8.87%.
What is the most popular airline from Buffalo to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Denver is Frontier (52% of total bookings). The next most popular airlines are United Airlines (21%), Southwest (16%), and Delta (6%).
Best airlines flying from Buffalo to Denver
Compare and see reviews for airlines that fly from Buffalo to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 160 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom C$ 168 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom C$ 264 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 267 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 411 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From Buffalo to Denver
Southwest flight deals from Buffalo to Denver start from C$ 300 round-trip. Over the 5 Southwest flights for this route in a normal week, average airfare is usually C$ 412 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Buffalo to Denver
C$ 195 is the best United Airlines flight deal from Buffalo to Denver found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to C$ 279, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,790 user reviews) flies into Denver from Buffalo 7 times in an average week so prices can vary.
Travelling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Buffalo to Denver?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Buffalo.
Can I find flights from Buffalo to Denver with flexible booking policies on momondo?
Flights from Buffalo to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Buffalo to Denver?
momondo provides multiple filters to help you find the best flight to Denver from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Buffalo to Denver right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Denver from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.