Cheap flights from Buffalo to Denver from $99
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 12/9. 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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Fly from
Fly to
Route
Depart
Return
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 11/11
2:00 pm-9:33 pm
1 stop9h 33m
Denver Intl
Sat 11/14
10:58 am-11:59 am
1 stop23h 01m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 11/4
2:00 pm-9:33 pm
1 stop9h 33m
Denver Intl
Sat 11/7
10:58 am-11:44 am
1 stop22h 46m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 1/21
8:00 am-10:00 am
Nonstop4h 00m
Denver Intl
Mon 1/25
5:33 pm-10:53 pm
Nonstop3h 20m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 1/7
8:00 am-10:00 am
Nonstop4h 00m
Denver Intl
Thu 1/14
5:33 pm-10:53 pm
Nonstop3h 20m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Sat 1/16
4:10 pm-5:55 pm
Nonstop3h 45m
Denver Intl
Mon 1/25
6:00 am-3:20 pm
1 stop7h 20m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Sat 1/16
4:10 pm-5:55 pm
Nonstop3h 45m
Denver Intl
Mon 1/25
6:00 am-5:00 pm
2 stops9h 00m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Mon 12/7
3:20 pm-8:35 pm
1 stop7h 15m
Denver Intl
Mon 12/14
7:15 am-5:36 pm
1 stop8h 21m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 11/3
6:15 am-9:35 am
1 stop5h 20m
Denver Intl
Sat 11/7
4:06 pm-10:38 pm
1 stop4h 32m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 1/21
12:49 pm-7:11 pm
1 stop8h 22m
Denver Intl
Mon 1/25
8:04 am-5:57 pm
1 stop7h 53m
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 1/21
6:00 am-11:37 am
1 stop7h 37m
Denver Intl
Mon 1/25
7:33 am-5:57 pm
2 stops8h 24m
See travel insights to Denver from
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 typical price of a round-trip flight between Buffalo and Denver?
Prices are currently low for flights on this route.
Typical prices usually range from $376 to $503.The lowest price recently found on this route was $300.
What is the cheapest month to fly to Denver?
The cheapest month to fly to Denver from Buffalo is in May. Flight prices, which tend to average around $388, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in May, then you should wait until November to fly from Buffalo, when ticket prices are also cheap, with an average price of $390.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $447. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $558.
What is the cheapest time of day to depart on your flight to Denver?
The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $429. Flights in the morning are often more expensive with an average ticket price of $489.
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 from Buffalo to Denver?
You are more likely to see cheaper flights to Denver from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $430 when searching 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 $376 on momondo.
What cabin class options are available on Buffalo to Denver flights?
There are 4 cabin classes available to choose from on Buffalo to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Buffalo to Denver flights?
You could potentially save up to 11% on your flight if you consider stops on a Buffalo to Denver flight.
How have Buffalo to Denver flight prices changed over time?
As of October 2026, prices for Buffalo to Denver flights are approximately 21% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Buffalo to Denver Intl?
Southwest and Delta are the most popular carriers operating from Buffalo to Denver Intl
What airlines fly to Denver?
United Airlines, Southwest and Delta are the top three most popular airlines that fly to Denver from Buffalo according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Buffalo and Denver?
Chicago (ORD) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Buffalo to Denver?
Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $265.
Which layover airport has the shortest travel time from Buffalo to Denver?
Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 5h 39m.
Which layover airport has the shortest connection time from Buffalo to Denver?
Chicago (MDW) has the shortest average layover time for this route: 0h 50m.
How many flights depart from Buffalo to Denver on average per day?
1 flights are operational daily from Buffalo to Denver as of October 2026. The most popular departure time for this route is 8:00AM, with 63% of flights per day taking off at noon.
How many flights depart from Buffalo to Denver on average per week?
As of October 2026, there are 12 flights per week flying from Buffalo to Denver. The most common day of the week flights depart is Mon, with 17% of flights 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
Frequently asked questions about flying from Buffalo to Denver
How far is Buffalo to Denver Intl by plane?
The straight-line distance from Buffalo to Denver Intl is 1365.6 mi. Typically, this will take 3h 37m by plane in normal conditions.
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 refreshed on a daily basis.
How many operators does momondo search for flights from Buffalo Airport to Denver Intl Airport?
The number of operators available for flights from Buffalo Airport to Denver Intl Airport is 6 as of October 2026.
How old do you have to be to fly from Buffalo Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Buffalo to Denver is Boeing 737-800 (39.37% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (19.69%), Boeing 737-800 Passenger/BBJ2 (winglets) (13.78%), and Boeing 737 (7.09%).
What is the most popular airline from Buffalo to Denver?
Based on momondo bookings for flights between Buffalo and Denver, the leading airline is United Airlines, making up 60% of the total bookings. Other popular airlines include Southwest with 21%, Delta with 7%, and Frontier with 7%.
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 $94 | Free Cancellation | Rating 7.1 3,048 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.0 12,157 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 5.5 2,542 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.8 8,652 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 7.4 10,352 reviews | |||
| PriceFrom $313 | Free Cancellation | Rating 7.9 4,216 reviews |
Southwest Flights From Buffalo to Denver
Across 3 Southwest flights from Buffalo to Denver this week, the average price was $486, with the best Southwest deals starting from $313 round-trip. 4,216 users have rated Southwest on momondo, with an average score of 7.9/10.
United Airlines Flights From Buffalo to Denver
United Airlines (7.4/10 from 10,352 reviews) operates around 6 flights from Buffalo to Denver in any given week. The average United Airlines airfare for this route is around $444, with deals from around $249 rare but found on momondo. Referenced prices are for round-trip Buffalo to Denver flight searches in the last 72 hours.
Traveling 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?
It is quick and easy to find Buffalo to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.
Can I find flights from Buffalo to Denver with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Buffalo to Denver flights to just show those with flexible booking policies.
How can momondo help me find flights from Buffalo to Denver?
momondo helps you find the best flight between Buffalo and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Buffalo to Denver right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Buffalo to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.