This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DEN
3 Mar — 10 Mar1
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 August or October, booked 90 days in advance, depart on a Friday or Wednesday 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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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 1 February 2026.
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sat 28/211:59 p.m.
DEN
-
BUF
1 stop7h 53m
Frontier
Deal found 29/1C$ 176
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 191
Mon 23/21:48 p.m.
BUF
-
DEN
1 stop9h 53m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 204
Thu 19/211:07 a.m.
BUF
-
DEN
1 stop10h 53m
Frontier
Wed 25/26:20 p.m.
DEN
-
BUF
1 stop15h 14m
Frontier
Deal found 30/1C$ 245
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Thu 26/27:24 p.m.
DEN
-
BUF
1 stop12h 33m
Frontier
Deal found 29/1C$ 248
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Frontier
Deal found 29/1C$ 253
Mon 23/21:48 p.m.
BUF
-
DEN
1 stop9h 53m
Frontier
Thu 26/27:24 p.m.
DEN
-
BUF
1 stop12h 33m
Frontier
Deal found 29/1C$ 261
Mon 23/21:48 p.m.
BUF
-
DEN
2 stops23h 26m
Multiple Airlines
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Multiple Airlines
Deal found 29/1C$ 271
Tue 24/27:17 p.m.
BUF
-
DEN
2 stops28h 18m
Multiple Airlines
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Multiple Airlines
Deal found 29/1C$ 272
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Fri 27/26:00 a.m.
DEN
-
BUF
1 stop8h 10m
Frontier
Deal found 29/1C$ 280
Sun 22/22:19 p.m.
BUF
-
DEN
2 stops27h 02m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 282
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 1 February 2026.
Sun 22/23:00 p.m.
BUF
-
DEN
1 stop9h 59m
JetBlue
Thu 5/311:59 p.m.
DEN
-
BUF
1 stop7h 41m
JetBlue
Deal found 31/1C$ 298
Mon 23/22:58 p.m.
BUF
-
DEN
1 stop7h 30m
Delta
Tue 3/311:30 a.m.
DEN
-
BUF
1 stop9h 09m
Delta
Deal found 31/1C$ 336
Thu 26/26:45 p.m.
BUF
-
DEN
1 stop7h 38m
Delta
Thu 5/312:59 a.m.
DEN
-
BUF
1 stop8h 01m
Delta
Deal found 31/1C$ 336
Mon 16/35:50 p.m.
BUF
-
DEN
1 stop5h 38m
Delta
Mon 23/311:55 p.m.
DEN
-
BUF
1 stop9h 02m
Delta
Deal found 30/1C$ 336
Sun 22/23:39 p.m.
BUF
-
DEN
1 stop8h 42m
Delta
Fri 27/21:10 p.m.
DEN
-
BUF
1 stop8h 16m
Delta
Deal found 29/1C$ 336
Wed 25/26:35 p.m.
BUF
-
DEN
1 stop7h 48m
Delta
Thu 26/21:10 p.m.
DEN
-
BUF
1 stop8h 16m
Delta
Deal found 29/1C$ 336
Sun 22/26:45 p.m.
BUF
-
DEN
1 stop7h 38m
Delta
Thu 26/21:10 p.m.
DEN
-
BUF
1 stop8h 16m
Delta
Deal found 29/1C$ 336
Thu 28/54:57 p.m.
BUF
-
DEN
1 stop8h 54m
Delta
Tue 2/611:59 p.m.
DEN
-
BUF
1 stop8h 36m
Delta
Deal found 30/1C$ 336
Wed 25/210:32 a.m.
BUF
-
DEN
1 stop8h 11m
Delta
Wed 11/312:55 a.m.
DEN
-
BUF
1 stop8h 06m
Delta
Deal found 31/1C$ 336
Wed 27/510:32 a.m.
BUF
-
DEN
1 stop10h 17m
Delta
Tue 2/66:00 a.m.
DEN
-
BUF
1 stop8h 00m
Delta
Deal found 31/1C$ 336
Tue 26/57:30 p.m.
BUF
-
DEN
1 stop6h 21m
Delta
Fri 29/511:59 p.m.
DEN
-
BUF
1 stop8h 36m
Delta
Deal found 30/1C$ 336
Sun 22/26:45 p.m.
BUF
-
DEN
1 stop7h 38m
Delta
Tue 3/312:59 a.m.
DEN
-
BUF
1 stop8h 01m
Delta
Deal found 31/1C$ 336
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 1 February 2026.
Wed 11/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Tue 31/35:53 p.m.
DEN
-
BUF
Nonstop3h 17m
United Airlines
Deal found 30/1C$ 462
Tue 24/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Sat 28/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 30/1C$ 479
Mon 23/210:30 a.m.
BUF
-
DEN
Nonstop3h 50m
Southwest
Sat 28/211:10 a.m.
DEN
-
BUF
Nonstop3h 05m
Southwest
Deal found 29/1C$ 497
Wed 4/38:25 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Mon 9/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 30/1C$ 505
Wed 18/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Sun 22/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 29/1C$ 515
Thu 5/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Sun 8/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 29/1C$ 532
Thu 14/58:37 a.m.
BUF
-
DEN
Nonstop3h 43m
United Airlines
Mon 18/55:58 p.m.
DEN
-
BUF
Nonstop3h 17m
United Airlines
Deal found 30/1C$ 560
Fri 6/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Sun 8/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 29/1C$ 568
Tue 24/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Wed 25/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 30/1C$ 570
Thu 12/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Tue 17/35:55 p.m.
DEN
-
BUF
Nonstop3h 15m
United Airlines
Deal found 30/1C$ 588
Mon 6/48:30 a.m.
BUF
-
DEN
Nonstop3h 43m
United Airlines
Mon 13/45:53 p.m.
DEN
-
BUF
Nonstop3h 17m
United Airlines
Deal found 30/1C$ 590
Sat 28/25:05 p.m.
BUF
-
DEN
Nonstop3h 55m
Southwest
Mon 2/34:35 p.m.
DEN
-
BUF
Nonstop3h 00m
Southwest
Deal found 31/1C$ 591
Last-minute flights from Buffalo to Denver
Discover last-minute flight deals from Buffalo to Denver. Data last updated 1 February 2026 and is based on user searches.
Thu 19/211:07 a.m.
BUF
-
DEN
1 stop10h 53m
Frontier
Wed 25/26:20 p.m.
DEN
-
BUF
1 stop15h 14m
Frontier
Deal found 30/1C$ 245
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sat 28/211:59 p.m.
DEN
-
BUF
1 stop7h 53m
Frontier
Deal found 29/1C$ 176
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 191
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Thu 26/27:24 p.m.
DEN
-
BUF
1 stop12h 33m
Frontier
Deal found 29/1C$ 248
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Frontier
Deal found 29/1C$ 253
Sat 21/212:20 p.m.
BUF
-
DEN
1 stop11h 13m
Frontier
Fri 27/26:00 a.m.
DEN
-
BUF
1 stop8h 10m
Frontier
Deal found 29/1C$ 280
Sun 22/22:19 p.m.
BUF
-
DEN
2 stops27h 02m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 282
Mon 23/21:48 p.m.
BUF
-
DEN
1 stop9h 53m
Frontier
Sun 1/312:59 a.m.
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 29/1C$ 204
Mon 23/21:48 p.m.
BUF
-
DEN
1 stop9h 53m
Frontier
Thu 26/27:24 p.m.
DEN
-
BUF
1 stop12h 33m
Frontier
Deal found 29/1C$ 261
Mon 23/21:48 p.m.
BUF
-
DEN
2 stops23h 26m
Multiple Airlines
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Multiple Airlines
Deal found 29/1C$ 271
Tue 24/27:17 p.m.
BUF
-
DEN
2 stops28h 18m
Multiple Airlines
Sat 28/212:09 a.m.
DEN
-
BUF
1 stop11h 15m
Multiple Airlines
Deal found 29/1C$ 272
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 1 February 2026.
Tue 24/36:00 a.m.
BUF
-
DEN
1 stop9h 55m
JetBlue
Deal found 30/1C$ 150
Wed 11/31:50 p.m.
BUF
-
DEN
1 stop10h 28m
JetBlue
Deal found 31/1C$ 157
Sat 4/411:37 a.m.
BUF
-
DEN
1 stop9h 59m
Delta
Deal found 30/1C$ 169
Mon 30/36:00 a.m.
BUF
-
DEN
1 stop10h 40m
JetBlue
Deal found 30/1C$ 182
Tue 17/37:58 p.m.
BUF
-
DEN
1 stop19h 57m
JetBlue
Deal found 31/1C$ 195
Sat 14/36:08 p.m.
BUF
-
DEN
1 stop8h 01m
Delta
Deal found 30/1C$ 204
Wed 1/47:00 a.m.
BUF
-
DEN
1 stop16h 46m
Delta
Deal found 30/1C$ 207
Tue 24/38:17 a.m.
BUF
-
DEN
Nonstop3h 44m
United Airlines
Deal found 30/1C$ 231
Wed 25/27:00 a.m.
BUF
-
DEN
2 stops17h 48m
Delta
Deal found 30/1C$ 236
Sun 29/37:56 p.m.
BUF
-
DEN
1 stop17h 29m
Delta
Deal found 30/1C$ 248
Sat 25/43:25 p.m.
BUF
-
DEN
Nonstop3h 35m
Southwest
Deal found 30/1C$ 249
Wed 18/39:10 a.m.
BUF
-
DEN
2 stops8h 10m
Southwest
Deal found 30/1C$ 252
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 1 February 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 629,999 searches. Data last updated 1 February 2026.
Use the filters below to find and compare flights from Buffalo to Denver that are best for you.
Fly from
Buffalo
Fly to
Denver
Route
Depart
Return
Price
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Sun 22/2
3:00 p.m.-10:59 p.m.
1 stop9h 59m
Denver Intl
Thu 5/3
11:59 p.m.-9:40 a.m.
1 stop7h 41m
C$ 298
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Mon 23/2
2:58 p.m.-8:28 p.m.
1 stop7h 30m
Denver Intl
Tue 3/3
11:30 a.m.-10:39 p.m.
1 stop9h 09m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Thu 26/2
6:45 p.m.-12:23 a.m.
1 stop7h 38m
Denver Intl
Thu 5/3
12:59 a.m.-11:00 a.m.
1 stop8h 01m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Mon 16/3
5:50 p.m.-9:28 p.m.
1 stop5h 38m
Denver Intl
Mon 23/3
11:55 p.m.-10:57 a.m.
1 stop9h 02m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Sun 22/2
3:39 p.m.-10:21 p.m.
1 stop8h 42m
Denver Intl
Fri 27/2
1:10 p.m.-11:26 p.m.
1 stop8h 16m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Wed 25/2
6:35 p.m.-12:23 a.m.
1 stop7h 48m
Denver Intl
Thu 26/2
1:10 p.m.-11:26 p.m.
1 stop8h 16m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Sun 22/2
6:45 p.m.-12:23 a.m.
1 stop7h 38m
Denver Intl
Thu 26/2
1:10 p.m.-11:26 p.m.
1 stop8h 16m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Thu 28/5
4:57 p.m.-11:51 p.m.
1 stop8h 54m
Denver Intl
Tue 2/6
11:59 p.m.-10:35 a.m.
1 stop8h 36m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Wed 25/2
10:32 a.m.-4:43 p.m.
1 stop8h 11m
Denver Intl
Wed 11/3
12:55 a.m.-11:01 a.m.
1 stop8h 06m
C$ 336
BuffaloDenver
BUF - DEN
BUFDEN
Buffalo
Wed 27/5
10:32 a.m.-6:49 p.m.
1 stop10h 17m
Denver Intl
Tue 2/6
6:00 a.m.-4:00 p.m.
1 stop8h 00m
C$ 336
Flights are sorted by cheapest round-trip flights first.
Deals found on 30/1
Showing 1-10 of 21 results
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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
How far ahead should I book a flight from Buffalo to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Denver. Price data was last updated on 30 January 2026.
To ensure you get the cheapest price possible for a flight from Buffalo to Denver, you should look to book at least 65 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, June is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 161). Flying from Buffalo to Denver in November is currently the most expensive (average of C$ 295). 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 1 February 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 58% on flights from Buffalo to Denver by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Buffalo to Denver?
Use this chart to determine the cheapest time to fly round-trip from Buffalo to Denver. Price data was last updated on 24 January 2026.
Travelers seeking maximum savings on their Buffalo to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 1 February 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.
How popular is this Buffalo to Denver flight route?
This flight path from Buffalo to Denver Intl was viewed by 222 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 7h 30m. Fly via JetBlue or Delta to get the fastest option. The distance between Buffalo and Denver is about 2181 km. Both multi-stop and direct flights can be found to your destination and back.
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$ 203. Other airlines that can offer you cheap pricing are United Airlines, from C$ 242, and Southwest, from C$ 377. You may be able to fly from Buffalo to Denver for 55% 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$ 380. On average you can expect to pay C$ 455. The most popular route, (Buffalo - Denver Intl), can usually be booked for C$ 344.
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, June is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 161). Flying from Buffalo to Denver in November is currently the most expensive (average of C$ 295). 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 1 February 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 629,999 searches. Data last updated 1 February 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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