$92+ Cheap flights from Buffalo to Denver (BUF - DEN)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DEN
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Friday or Wednesday and return on a Friday
Cheap flight deals from Buffalo to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to DenverExplore 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 September 5, 2026.
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 September 5, 2026.
This Trip.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm -
1 stop9h 33m
Sat 11/1410:58 am -
1 stop23h 01m
Deal found 9/2![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm -
1 stop9h 47m
Fri 10/236:57 pm -
1 stop16h 02m
Deal found 9/1![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:48 pm -
1 stop20h 34m
Sun 11/156:57 pm -
1 stop16h 06m
Deal found 9/1![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:00 pm -
1 stop9h 33m
Sat 11/79:20 pm -
2 stops37h 43m
Deal found 9/3![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:44 pm -
1 stop20h 22m
Thu 10/156:57 pm -
1 stop16h 02m
Deal found 9/1![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:45 pm -
1 stop20h 19m
Tue 9/297:10 pm -
1 stop15h 45m
Deal found 9/5![Frontier logo]()
$275
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:45 pm -
1 stop9h 39m
Sat 10/1010:58 am -
1 stop23h 00m
Deal found 9/5![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm -
1 stop8h 48m
Tue 9/296:40 am -
1 stop9h 09m
Deal found 9/2![Frontier logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:49 pm -
1 stop8h 48m
Tue 10/66:40 am -
1 stop9h 09m
Deal found 9/3![Frontier logo]()
$283
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:49 pm -
1 stop8h 48m
Mon 10/127:02 pm -
1 stop20h 54m
Deal found 9/2![Frontier logo]()
$284
Best flights from Buffalo to DenverDiscover 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 September 5, 2026.
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 September 5, 2026.
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:30 pm -
2 stops9h 20m
Mon 10/266:00 am -
2 stops10h 40m
Deal found 9/2![Southwest logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:54 pm -
1 stop9h 06m
Sun 11/1510:41 am -
1 stop24h 22m
Deal found 9/5![Frontier logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:59 pm -
1 stop6h 31m
Sun 10/45:31 pm -
Nonstop3h 12m
Deal found 9/3![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:48 pm -
1 stop6h 32m
Sat 10/105:31 pm -
Nonstop3h 12m
Deal found 9/5![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/199:30 am -
1 stop8h 00m
Sun 2/215:40 am -
1 stop6h 20m
Deal found 9/1![Southwest logo]()
$471
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:17 am -
Nonstop4h 00m
Mon 12/145:45 pm -
Nonstop3h 20m
Deal found 9/2![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:55 pm -
Nonstop3h 40m
Sun 11/1511:50 am -
Nonstop3h 00m
Deal found 9/5![Southwest logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:45 pm -
1 stop8h 08m
Sat 10/175:31 pm -
Nonstop3h 12m
Deal found 9/3![United Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:30 pm -
2 stops9h 15m
Sun 10/412:30 pm -
2 stops8h 50m
Deal found 9/1![Southwest logo]()
$481
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:45 am -
Nonstop3h 37m
Fri 10/235:31 pm -
Nonstop3h 12m
Deal found 9/1![United Airlines logo]()
$483
Last-minute flights from Buffalo to DenverDiscover last-minute flight deals from Buffalo to Denver. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Denver. Data last updated September 5, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm -
1 stop8h 48m
Tue 9/296:40 am -
1 stop9h 09m
Deal found 9/2![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm -
1 stop28h 48m
Mon 9/287:12 pm -
1 stop20h 37m
Deal found 9/2![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:40 pm -
1 stop20h 24m
Mon 9/2810:38 am -
2 stops29h 11m
Deal found 9/1![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:45 pm -
1 stop20h 19m
Tue 9/297:10 pm -
1 stop15h 45m
Deal found 9/5![Frontier logo]()
$275
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:49 pm -
1 stop8h 48m
Tue 10/66:40 am -
1 stop9h 09m
Deal found 9/3![Frontier logo]()
$283
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:49 pm -
1 stop8h 48m
Mon 10/127:02 pm -
1 stop20h 54m
Deal found 9/2![Frontier logo]()
$284
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:45 pm -
1 stop9h 39m
Sat 10/1010:58 am -
1 stop23h 00m
Deal found 9/5![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:44 pm -
1 stop20h 22m
Thu 10/156:57 pm -
1 stop16h 02m
Deal found 9/1![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:53 pm -
1 stop21h 14m
Mon 10/199:19 pm -
2 stops37h 40m
Deal found 9/5![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm -
1 stop9h 47m
Fri 10/236:57 pm -
1 stop16h 02m
Deal found 9/1![Frontier logo]()
$266
One-way flights from Buffalo to DenverSearch for one-way flight options from Buffalo to Denver. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Buffalo to Denver. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:40 pm -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:45 pm -
1 stop9h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:48 pm -
1 stop20h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:48 pm -
1 stop20h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$107
This Priceline deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:44 pm -
1 stop9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:40 pm -
1 stop9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$110
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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $265 (Trip.com) |
One-way from | $92 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $338 |
Good round-trip deal | $376 or less |
Good one-way deal | $234 or less |
Cheapflights Fare Finder
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 September 5, 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
Cheapest round-trip
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 3/2
8:30 am-10:15 am
Nonstop3h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Thu 10/29
8:50 am-10:35 am
Nonstop3h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Sat 2/27
2:10 pm-8:23 pm
1 stop8h 13m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 3/3
6:25 am-10:12 am
1 stop5h 47m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$199
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Mon 10/19
4:30 pm-11:50 pm
2 stops9h 20m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$220
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 12/2
2:40 pm-4:30 pm
Nonstop3h 50m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$226
Quickest round-trip
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Wed 10/7
8:45 am-10:22 am
Nonstop3h 37m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$226
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 1/5
2:40 pm-4:30 pm
Nonstop3h 50m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$234
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Sat 2/27
8:30 am-10:15 am
Nonstop3h 45m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$234
BuffaloDenver
BUF Buffalo - DEN Denver Intl
BUFDEN
Buffalo
Tue 1/5
7:00 am-12:30 pm
1 stop7h 30m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$236
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Buffalo-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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?
Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $317). Flying from Buffalo to Denver in July is currently the most expensive (average of $499). 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 September 5, 2026.
One of the essential ways to save on airfare from Buffalo to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 45% on airfare.
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 August 29, 2026.
Travelers seeking maximum savings on their Buffalo to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Buffalo to Denver?
Share of 1-stop round-trip flights from Buffalo to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 75% of 1-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.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $298.
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 Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 5h 36m.
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 Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 35m.
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 September 5, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Black Hawk
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Top 6 airlines flying from Buffalo to Denver
Discover the top 6 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 September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$112 | Average$233 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$305 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$482 | FlexibilityNo cancel fee | On-time63% |