This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DEN
6 Oct — 13 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Denver Intl are usually found in October or September, booked 37 days in advance, depart on a Monday or Friday and return on a Monday
Cheap flight deals from Buffalo to Denver
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Buffalo to Denver
Explore the most affordable flight options available from Buffalo to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.
Mon 12/101:44 p.m. -
1 stop20h 22m
Thu 15/106:57 p.m. -
1 stop16h 02m
Deal found 1/9C$ 379
Tue 13/106:51 p.m. -
1 stop15h 16m
Sat 17/1010:58 a.m. -
1 stop23h 00m
Deal found 3/9C$ 412
Fri 2/101:40 p.m. -
1 stop20h 24m
Mon 5/101:10 p.m. -
2 stops26h 39m
Deal found 3/9C$ 446
Tue 6/106:51 p.m. -
1 stop15h 01m
Tue 10/117:09 p.m. -
2 stops16h 06m
Deal found 3/9C$ 452
Thu 22/1012:53 p.m. -
1 stop21h 14m
Sun 25/106:40 a.m. -
1 stop9h 12m
Deal found 6/9C$ 459
Fri 11/91:40 p.m. -
1 stop9h 44m
Tue 15/96:40 a.m. -
1 stop9h 09m
Deal found 1/9C$ 465
Wed 9/91:40 p.m. -
1 stop9h 23m
Wed 16/911:46 a.m. -
1 stop22h 02m
Deal found 2/9C$ 472
Thu 3/99:29 p.m. -
1 stop12h 04m
Thu 17/96:40 a.m. -
1 stop9h 05m
Deal found 1/9C$ 479
Thu 3/99:29 p.m. -
1 stop12h 04m
Tue 8/911:59 p.m. -
1 stop10h 56m
Deal found 2/9C$ 499
Best flights from Buffalo to Denver
Discover carefully curated flight deals from Buffalo to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.
Fri 2/104:50 p.m. -
Nonstop3h 30m
Mon 5/105:00 a.m. -
1 stop7h 10m
Deal found 3/9C$ 558
Thu 24/128:15 a.m. -
Nonstop4h 00m
Sat 9/15:39 p.m. -
Nonstop3h 15m
Deal found 5/9C$ 624
Tue 6/108:00 a.m. -
2 stops13h 30m
Tue 10/1112:10 p.m. -
2 stops7h 45m
Deal found 3/9C$ 571
Fri 13/118:50 a.m. -
Nonstop3h 45m
Sun 15/115:25 p.m. -
Nonstop3h 08m
Deal found 1/9C$ 624
Tue 27/108:50 a.m. -
Nonstop3h 45m
Sat 31/105:25 p.m. -
Nonstop3h 08m
Deal found 6/9C$ 624
Tue 1/122:40 p.m. -
Nonstop3h 50m
Sun 6/1211:50 a.m. -
Nonstop3h 00m
Deal found 1/9C$ 624
Sat 3/101:48 p.m. -
1 stop6h 32m
Sat 10/105:31 p.m. -
Nonstop3h 12m
Deal found 5/9C$ 638
Fri 13/114:00 p.m. -
2 stops6h 05m
Sun 15/1110:30 a.m. -
2 stops7h 05m
Deal found 1/9C$ 660
Thu 8/108:45 a.m. -
Nonstop3h 37m
Mon 12/105:31 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 646
Tue 13/105:45 p.m. -
1 stop8h 08m
Sat 17/105:31 p.m. -
Nonstop3h 12m
Deal found 3/9C$ 660
Sun 27/98:45 a.m. -
Nonstop3h 37m
Wed 30/95:31 p.m. -
Nonstop3h 12m
Deal found 4/9C$ 671
Direct flights from Buffalo to Denver
Explore direct flight options from Buffalo to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 September 2026.
Mon 7/122:40 p.m. -
Nonstop3h 50m
Mon 14/123:45 p.m. -
Nonstop3h 00m
Deal found 1/9C$ 522
Thu 1/108:45 a.m. -
Nonstop3h 37m
Mon 5/105:31 p.m. -
Nonstop3h 12m
Deal found 2/9C$ 538
Fri 19/212:20 p.m. -
Nonstop3h 45m
Sat 27/210:40 a.m. -
Nonstop3h 00m
Deal found 1/9C$ 544
Thu 15/108:45 a.m. -
Nonstop3h 37m
Mon 19/105:31 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 553
Thu 22/104:50 p.m. -
Nonstop3h 30m
Mon 26/101:50 p.m. -
Nonstop3h 10m
Deal found 3/9C$ 573
Fri 2/108:45 a.m. -
Nonstop3h 37m
Fri 9/105:31 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 576
Sat 21/118:50 a.m. -
Nonstop3h 45m
Mon 23/115:25 p.m. -
Nonstop3h 08m
Deal found 2/9C$ 584
Thu 1/108:45 a.m. -
Nonstop3h 37m
Sun 4/105:31 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 602
Fri 25/128:15 a.m. -
Nonstop4h 00m
Sat 2/15:30 p.m. -
Nonstop3h 20m
Deal found 2/9C$ 606
Thu 1/108:45 a.m. -
Nonstop3h 37m
Tue 6/105:31 p.m. -
Nonstop3h 12m
Deal found 3/9C$ 612
Fri 2/108:45 a.m. -
Nonstop3h 37m
Sun 4/105:31 p.m. -
Nonstop3h 12m
Deal found 3/9C$ 624
Last-minute flights from Buffalo to Denver
Discover last-minute flight deals from Buffalo to Denver. Data last updated 6 September 2026 and is based on user searches.
Fri 11/91:40 p.m. -
1 stop9h 44m
Tue 15/96:40 a.m. -
1 stop9h 09m
Deal found 1/9C$ 465
Fri 11/910:30 a.m. -
1 stop9h 55m
Tue 15/95:25 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 1,086
Wed 16/98:55 a.m. -
Nonstop3h 37m
Wed 30/95:31 p.m. -
Nonstop3h 12m
Deal found 2/9C$ 797
Wed 16/98:55 a.m. -
Nonstop3h 37m
Sun 20/95:25 p.m. -
Nonstop3h 12m
Deal found 1/9C$ 823
Wed 16/912:35 p.m. -
2 stops7h 40m
Sun 20/912:50 p.m. -
2 stops10h 45m
Deal found 1/9C$ 865
One-way flights from Buffalo to Denver
Search for one-way flight options from Buffalo to Denver. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.
Sat 3/101:45 p.m. -
1 stop9h 39m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 137
Mon 19/101:44 p.m. -
1 stop20h 22m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 230
Sat 3/108:45 a.m. -
Nonstop3h 37m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 261
Sat 31/106:00 a.m. -
1 stop7h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 275
Wed 7/108:45 a.m. -
Nonstop3h 37m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 278
Thu 1/104:30 p.m. -
2 stops9h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 282
Fri 25/98:45 a.m. -
Nonstop3h 37m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 284
Fri 25/125:35 p.m. -
1 stop8h 18m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 297
Tue 29/910:00 a.m. -
1 stop8h 11m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 304
Tue 3/117:00 a.m. -
2 stops16h 52m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 309
Sat 3/104:00 p.m. -
Nonstop3h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 313
Find flight deals from Buffalo to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Denver (DEN). 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 6 September 2026.
Customize your flight search to find flights from Buffalo to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 6 September 2026.
Use the filters below to find and compare flights from Buffalo to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 7/10
8:45 a.m.-10:22 a.m.
Nonstop3h 37m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 261
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 2/3
12:09 p.m.-6:04 p.m.
1 stop7h 55m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 275
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Mon 19/10
4:30 p.m.-11:50 p.m.
2 stops9h 20m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 304
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 2/12
2:40 p.m.-4:30 p.m.
Nonstop3h 50m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 313
Quickest round-trip
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Sat 3/10
4:00 p.m.-5:30 p.m.
Nonstop3h 30m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 313
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 6/10
4:00 p.m.-5:30 p.m.
Nonstop3h 30m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 313
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 8/10
8:45 a.m.-10:22 a.m.
Nonstop3h 37m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 324
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 5/1
2:40 p.m.-4:30 p.m.
Nonstop3h 50m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 324
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 5/1
7:00 a.m.-12:30 p.m.
1 stop7h 30m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 327
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Mon 5/10
6:59 p.m.-11:14 p.m.
1 stop6h 15m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 340
Flights are sorted by cheapest round-trip flights first.
Deals found on 1/9
Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Buffalo with our price prediction graph.
BUF-DEN
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 Buffalo to Denver
Prices
Airlines
More
How far ahead should I book a flight from Buffalo to Denver?
To ensure you get the cheapest price possible for a flight from Buffalo to Denver, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Buffalo to Denver?
Currently, October is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 441). Flying from Buffalo to Denver in July is currently the most expensive (average of C$ 690). 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 BUF to DEN?
Find hourly flight availability from Buffalo to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 September 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 56% on flights from Buffalo to Denver by exploring options for tickets in the afternoon.
How much does it cost to fly round-trip from Buffalo to Denver?
Airfare is typical for this route at the moment.
Buffalo to Denver flights typically cost between C$ 332 and C$ 620 in October.The cheapest round-trip price found within the last 5 days was C$ 379 on Frontier (12 Oct-15 Oct).
Weekly flight availability from Buffalo to Denver
Explore weekly flight availability from Buffalo to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 September 2026.
The most flights from BUF to DEN are scheduled on a Saturday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
What’s the top layover airport for flights from Buffalo to Denver?
Share of one-stop round-trip flights from Buffalo to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 94% of one-stop itineraries from Buffalo to Denver on Cheapflights.
What’s the cheapest layover airport for flights from Buffalo to Denver?
Average round-trip fare for 1-stop flights from Buffalo to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Boston (BOS) is the most affordable 1-stop option, with an average round-trip price of C$ 300.
What’s the fastest layover option from Buffalo to Denver?
Shortest average travel time for 1-stop one-way flights from Buffalo to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Boston (BOS) have the shortest average one-way travel time for 1-stop routes: 9h 15m.
Which airport typically offers the quickest layover for flights from Buffalo to Denver?
Average layover duration for 1-stop one-way flights from Buffalo to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 2h 19m.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 6 September 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andFrontier
from Buffalo to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airports do I use to fly from Buffalo to Denver?
If you wish to fly to Denver from Buffalo, then you need to book flights from Buffalo to Denver Intl. There is 1 flight from Buffalo (BUF) to Denver Intl (DEN) per day to choose from. Flights to Denver from Buffalo are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 3h 30m is how long a nonstop flight from Buffalo to Denver Intl typically takes.
How popular is this Buffalo to Denver flight route?
This flight path from Buffalo to Denver Intl was viewed by 49 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Buffalo to Denver?
There are many flights that can get you from Buffalo to Denver in 3h 30m. Fly via Southwest or United Airlines to get the fastest option. The distance between Buffalo and Denver is about 2181 km. Generally, flights for this route are direct.
What are the cheapest airlines flying from Buffalo to Denver round-trip?
Cheapflights users have booked flights from Buffalo to Denver round-trip from C$ 231. Other airlines that can offer you cheap pricing are Southwest, from C$ 369, and United Airlines, from C$ 386. You may be able to fly from Buffalo to Denver for 59% less than the average price by searching for these airlines.
What are the cheapest flights from Buffalo to Denver?
The cheapest flight price from Buffalo to Denver is C$ 281. On average you can expect to pay C$ 578. The most popular route, (Buffalo - Denver Intl), can usually be booked for C$ 544.
Can I find deals for business class flights from Buffalo to Denver?
Yes. Cheapflights offers flight deals from Buffalo to Denver 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 Buffalo to Denver?
Currently, October is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 441). Flying from Buffalo to Denver in July is currently the most expensive (average of C$ 690). 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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 September 2026.
Discover the top 3 airlines that operate flights from Buffalo to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 6 September 2026.
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 Buffalo to Denver?
When you search for this flight from Buffalo to Denver, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Buffalo to Denver?
Cheapflights helps you find that perfect flight to Denver from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Buffalo to Denver with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Buffalo to Denver flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Buffalo to Denver become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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