$117+ Cheap flights from Denver to Buffalo (DEN - BUF)
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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUF
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Buffalo 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 Denver Intl to Buffalo are usually found in January or February, booked 31 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Denver to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to BuffaloExplore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:59 pm -
1 stop10h 08m
Wed 11/112:00 pm -
1 stop9h 33m
Deal found 10/9![Frontier logo]()
$266
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:59 pm -
1 stop10h 29m
Wed 12/21:15 pm -
1 stop8h 42m
Deal found 10/11![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 11/99:19 pm -
2 stops37h 56m
Mon 11/161:48 pm -
1 stop20h 34m
Deal found 10/10![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/2711:59 pm -
1 stop10h 09m
Fri 12/41:15 pm -
1 stop19h 14m
Deal found 10/13![Frontier logo]()
$292
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:40 am -
1 stop8h 07m
Mon 11/161:48 pm -
1 stop9h 45m
Deal found 10/11![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 12/28:46 pm -
2 stops37h 33m
Mon 12/72:39 pm -
1 stop8h 51m
Deal found 10/14![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 10/12. 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 11/56:59 pm -
1 stop10h 08m
Mon 11/91:48 pm -
1 stop9h 45m
Deal found 10/12![Frontier logo]()
$304
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:58 am -
1 stop23h 01m
Sun 11/229:20 pm -
1 stop27h 22m
Deal found 10/9![Frontier logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:40 am -
1 stop9h 12m
Wed 11/42:00 pm -
1 stop9h 33m
Deal found 10/11![Frontier logo]()
$318
Best flights from Denver to BuffaloDiscover carefully curated flight deals from Denver to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Denver to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This Southwest deal was found by Cheapflights users on 10/13. 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 11/611:50 am -
Nonstop3h 00m
Mon 11/95:30 pm -
1 stop8h 25m
Deal found 10/13![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/135:25 pm -
Nonstop3h 08m
Sun 11/158:50 am -
Nonstop3h 45m
Deal found 10/11![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:10 am -
1 stop7h 05m
Thu 11/2612:00 pm -
1 stop5h 27m
Deal found 10/11![Delta logo]()
$435
This Southwest deal was found by Cheapflights users on 10/14. 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 12/38:10 am -
2 stops8h 00m
Thu 12/102:40 pm -
Nonstop3h 50m
Deal found 10/14![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 10/9. 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 11/67:45 am -
1 stop7h 17m
Sun 11/88:50 am -
Nonstop3h 45m
Deal found 10/9![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 10/12. 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 11/1311:50 am -
Nonstop3h 00m
Mon 11/163:55 pm -
2 stops8h 45m
Deal found 10/12![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 10/13. 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.
Sat 2/2711:35 am -
2 stops10h 30m
Wed 3/37:45 am -
1 stop7h 50m
Deal found 10/13![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sun 11/85:25 pm -
Nonstop3h 08m
Sun 11/158:50 am -
Nonstop3h 45m
Deal found 10/13![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 10/10. 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.
Tue 11/1012:10 pm -
2 stops7h 50m
Fri 11/134:00 pm -
2 stops6h 05m
Deal found 10/10![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/65:25 pm -
Nonstop3h 08m
Mon 11/95:58 pm -
1 stop6h 46m
Deal found 10/11![United Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 10/12. 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 11/196:30 am -
2 stops7h 30m
Sun 11/227:20 am -
2 stops8h 35m
Deal found 10/12![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sun 11/157:05 pm -
1 stop11h 20m
Thu 11/192:40 pm -
Nonstop3h 50m
Deal found 10/9![Southwest logo]()
$475
Last-minute flights from Denver to BuffaloDiscover last-minute flight deals from Denver to Buffalo. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Buffalo. Data last updated October 14, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:40 am -
1 stop9h 12m
Wed 11/42:00 pm -
1 stop9h 33m
Deal found 10/11![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:59 pm -
1 stop10h 08m
Wed 11/112:00 pm -
1 stop9h 33m
Deal found 10/9![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 10/12. 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 11/56:59 pm -
1 stop10h 08m
Mon 11/91:48 pm -
1 stop9h 45m
Deal found 10/12![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 11/99:19 pm -
2 stops37h 56m
Mon 11/161:48 pm -
1 stop20h 34m
Deal found 10/10![Frontier logo]()
$287
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:40 am -
1 stop8h 07m
Mon 11/161:48 pm -
1 stop9h 45m
Deal found 10/11![Frontier logo]()
$300
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:58 am -
1 stop23h 01m
Sun 11/229:20 pm -
1 stop27h 22m
Deal found 10/9![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 10/11. 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.
Tue 11/246:25 am -
1 stop11h 59m
Thu 11/261:23 pm -
1 stop11h 19m
Deal found 10/11![Frontier logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:59 pm -
1 stop10h 29m
Wed 12/21:15 pm -
1 stop8h 42m
Deal found 10/11![Frontier logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/2711:59 pm -
1 stop10h 09m
Fri 12/41:15 pm -
1 stop19h 14m
Deal found 10/13![Frontier logo]()
$292
One-way flights from Denver to BuffaloSearch for one-way flight options from Denver to Buffalo. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Denver to Buffalo. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Tue 12/88:07 pm -
1 stop14h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 12/99:59 pm -
2 stops36h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Tue 11/109:20 pm -
2 stops41h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 10/13. 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.
Tue 12/2211:55 pm -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 10/14. 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.
Wed 1/1310:41 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 10/13. 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.
Tue 11/2411:59 pm -
1 stop18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 10/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:25 am -
1 stop11h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Tue 1/1210:34 am -
2 stops32h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 12/109:00 am -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$145
Find flight deals from Denver to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Buffalo (BUF). 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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $266 (Cheapflightsfares) |
One-way from | $117 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $468 |
Good round-trip deal | $391 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Buffalo 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 October 14, 2026.
Use the filters below to find and compare flights from Denver to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Fri 11/13
6:45 am-5:31 pm
1 stop8h 46m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Fri 12/11
8:15 am-5:36 pm
1 stop7h 21m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Sun 12/13
12:57 am-11:05 am
1 stop8h 08m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Fri 12/11
12:57 am-11:05 am
1 stop8h 08m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Fri 11/6
12:15 pm-11:59 pm
1 stop9h 44m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Sun 11/8
12:58 am-11:06 am
1 stop8h 08m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Tue 12/22
5:25 pm-10:45 pm
Nonstop3h 20m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
Quickest round-trip
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Fri 11/6
5:25 pm-10:33 pm
Nonstop3h 08m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Sat 1/16
5:33 pm-10:53 pm
Nonstop3h 20m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
DenverBuffalo
DEN Denver Intl - BUF Buffalo
DENBUF
Denver Intl
Sat 1/9
5:33 pm-10:53 pm
Nonstop3h 20m
Buffalo
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Denver to Buffalo
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 Denver to Buffalo in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Buffalo 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 Denver-Buffalo 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 Denver to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Denver with our price prediction graph.
DEN-BUF
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 Denver to Buffalo
Prices
Airlines
More
How far ahead should I book a flight from Denver to Buffalo?
The best time to book flights from Denver to Buffalo is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Denver to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Denver to Buffalo (average of $256). Flying from Denver to Buffalo in July is currently the most expensive (average of $515). 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 DEN to BUF?
Find hourly flight availability from Denver to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2026.
It’s optimal to fly from Denver to Buffalo in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.
What’s the top layover airport for flights from Denver to Buffalo?
Share of 1-stop round-trip flights from Denver to Buffalo chosen by Cheapflights users in the past 12 months, using the same layover each way.
Baltimore (BWI) – chosen by Cheapflights users on 67% of 1-stop itineraries from Denver to Buffalo on Cheapflights.
What’s the cheapest layover airport for flights from Denver to Buffalo?
Average round-trip fare for 1-stop flights from Denver to Buffalo, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Baltimore (BWI) is the most affordable 1-stop option, with an average round-trip price of $530.
What’s the fastest layover option from Denver to Buffalo?
Shortest average travel time for 1-stop one-way flights from Denver to Buffalo, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 4h 35m.
Which airport typically offers the quickest layover for flights from Denver to Buffalo?
Average layover duration for 1-stop one-way flights from Denver to Buffalo, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (MDW) offer the fastest connection on this route, with an average layover time of 0h 48m.
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated October 14, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Denver to Buffalo. 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.
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Denver to Buffalo. 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 Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Other flights to Buffalo
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Denver and Buffalo flights
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Top 6 airlines flying from Denver to Buffalo
Discover the top 6 airlines that operate flights from Denver to Buffalo. 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 October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$377 | Average$505 | FlexibilityNo cancel fee | On-time63% |