$90+ Cheap flights from Denver to Buffalo (DEN - BUF)
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUF
Jul 9 — Jul 161
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 October or September, booked 61 days in advance, depart on a Friday or Monday and return on a Friday
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 June 9, 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 June 9, 2026.
This Super.com deal was found by Cheapflights users on 6/5. 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.
Tue 7/2811:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Sat 8/83:52 pm
BUF
- DEN
1 stop9h 07m
JetBlue
Deal found 6/5![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Wed 7/293:55 pm
BUF
- DEN
1 stop9h 04m
JetBlue
Deal found 6/4![JetBlue logo]()
$245
This Priceline deal was found by Cheapflights users on 6/8. 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.
Mon 8/1711:37 pm
DEN
- BUF
1 stop7h 57m
Multiple Airlines
Fri 8/212:50 pm
BUF
- DEN
1 stop9h 26m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$248
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Mon 7/207:57 pm
BUF
- DEN
1 stop14h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$249
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Tue 7/2111:29 am
BUF
- DEN
1 stop12h 36m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$250
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Sat 8/812:28 pm
BUF
- DEN
1 stop12h 00m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$253
This Priceline deal was found by Cheapflights users on 6/8. 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 7/1511:46 pm
DEN
- BUF
1 stop8h 43m
Multiple Airlines
Wed 7/223:55 pm
BUF
- DEN
1 stop9h 04m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$256
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:46 pm
DEN
- BUF
1 stop8h 43m
Frontier
Tue 8/411:29 am
BUF
- DEN
1 stop12h 36m
Frontier
Deal found 6/9![Frontier logo]()
$258
This Priceline deal was found by Cheapflights users on 6/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:46 pm
DEN
- BUF
1 stop8h 54m
Multiple Airlines
Sat 7/46:00 am
BUF
- DEN
1 stop9h 04m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$259
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:05 pm
DEN
- BUF
1 stop7h 27m
JetBlue
Sun 8/306:35 am
BUF
- DEN
1 stop8h 22m
JetBlue
Deal found 6/9![JetBlue logo]()
$260
This Super.com deal was found by Cheapflights users on 6/8. 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 6/272:08 pm
DEN
- BUF
1 stop8h 05m
JetBlue
Fri 7/31:31 pm
BUF
- DEN
1 stop11h 11m
JetBlue
Deal found 6/8![JetBlue logo]()
$261
This Super.com deal was found by Cheapflights users on 6/8. 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.
Fri 7/3111:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Mon 8/33:32 pm
BUF
- DEN
1 stop9h 12m
JetBlue
Deal found 6/8![JetBlue logo]()
$262
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 June 9, 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 June 9, 2026.
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:15 pm
DEN
- BUF
1 stop6h 35m
JetBlue
Sat 10/246:00 am
BUF
- DEN
1 stop10h 18m
JetBlue
Deal found 6/8![JetBlue logo]()
$301
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:40 pm
DEN
- BUF
Nonstop3h 18m
United Airlines
Tue 7/217:52 pm
BUF
- DEN
1 stop6h 38m
United Airlines
Deal found 6/4![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 6/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:25 pm
DEN
- BUF
Nonstop3h 10m
Southwest
Thu 8/2012:30 pm
BUF
- DEN
1 stop5h 50m
Southwest
Deal found 6/4![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 11/207:05 am
DEN
- BUF
1 stop6h 24m
Delta
Fri 11/276:25 am
BUF
- DEN
1 stop5h 47m
Delta
Deal found 6/8![Delta logo]()
$457
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Sat 7/186:40 am
BUF
- DEN
1 stop8h 31m
JetBlue
Deal found 6/6![JetBlue logo]()
$315
This Southwest deal was found by Cheapflights users on 6/8. 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 7/2112:05 pm
DEN
- BUF
2 stops8h 40m
Southwest
Fri 7/242:50 pm
BUF
- DEN
1 stop9h 10m
Southwest
Deal found 6/8![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/205:40 pm
DEN
- BUF
Nonstop3h 18m
United Airlines
Sun 7/267:52 pm
BUF
- DEN
1 stop6h 38m
United Airlines
Deal found 6/6![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:40 pm
DEN
- BUF
Nonstop3h 18m
United Airlines
Sun 7/127:52 pm
BUF
- DEN
1 stop6h 38m
United Airlines
Deal found 6/4![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/6. 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 8/17:25 pm
DEN
- BUF
Nonstop3h 10m
Southwest
Thu 8/66:50 am
BUF
- DEN
Nonstop3h 25m
Southwest
Deal found 6/6![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 6/6. 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 7/241:00 pm
DEN
- BUF
2 stops9h 15m
Southwest
Thu 7/308:45 am
BUF
- DEN
2 stops7h 10m
Southwest
Deal found 6/6![Southwest logo]()
$508
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 7/155:40 pm
DEN
- BUF
Nonstop3h 18m
United Airlines
Wed 7/2210:57 am
BUF
- DEN
1 stop7h 34m
United Airlines
Deal found 6/5![United Airlines logo]()
$531
Last-minute flights from Denver to BuffaloDiscover last-minute flight deals from Denver to Buffalo. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Buffalo. Data last updated June 9, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:46 pm
DEN
- BUF
1 stop8h 54m
Multiple Airlines
Sat 7/46:00 am
BUF
- DEN
1 stop9h 04m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$259
This Super.com deal was found by Cheapflights users on 6/8. 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 6/272:08 pm
DEN
- BUF
1 stop8h 05m
JetBlue
Fri 7/31:31 pm
BUF
- DEN
1 stop11h 11m
JetBlue
Deal found 6/8![JetBlue logo]()
$261
This Super.com deal was found by Cheapflights users on 6/4. 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.
Fri 7/311:37 pm
DEN
- BUF
1 stop7h 16m
JetBlue
Tue 7/76:40 am
BUF
- DEN
1 stop8h 31m
JetBlue
Deal found 6/4![JetBlue logo]()
$264
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Sat 7/186:40 am
BUF
- DEN
1 stop8h 31m
JetBlue
Deal found 6/6![JetBlue logo]()
$260
This Expedia deal was found by Cheapflights users on 6/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Tue 7/2111:29 am
BUF
- DEN
1 stop12h 36m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$250
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Sat 8/812:28 pm
BUF
- DEN
1 stop12h 00m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$253
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:37 pm
DEN
- BUF
1 stop7h 58m
Multiple Airlines
Mon 7/207:57 pm
BUF
- DEN
1 stop14h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$249
This Priceline deal was found by Cheapflights users on 6/8. 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 7/1511:46 pm
DEN
- BUF
1 stop8h 43m
Multiple Airlines
Wed 7/223:55 pm
BUF
- DEN
1 stop9h 04m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$256
This Super.com deal was found by Cheapflights users on 6/5. 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.
Tue 7/2811:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Sat 8/83:52 pm
BUF
- DEN
1 stop9h 07m
JetBlue
Deal found 6/5![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Wed 7/293:55 pm
BUF
- DEN
1 stop9h 04m
JetBlue
Deal found 6/4![JetBlue logo]()
$245
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:46 pm
DEN
- BUF
1 stop8h 43m
Frontier
Tue 8/411:29 am
BUF
- DEN
1 stop12h 36m
Frontier
Deal found 6/9![Frontier logo]()
$258
This Super.com deal was found by Cheapflights users on 6/8. 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.
Fri 7/3111:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Mon 8/33:32 pm
BUF
- DEN
1 stop9h 12m
JetBlue
Deal found 6/8![JetBlue logo]()
$262
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 June 9, 2026.
Search for one-way flight options from Denver to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Super.com deal was found by Cheapflights users on 6/5. 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 9/211:37 pm
DEN
- BUF
1 stop7h 57m
JetBlue
Deal found 6/5![JetBlue logo]()
$90
This Super.com deal was found by Cheapflights users on 6/5. 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.
Tue 9/111:37 pm
DEN
- BUF
1 stop7h 57m
JetBlue
Deal found 6/5![JetBlue logo]()
$91
This JetBlue deal was found by Cheapflights users on 6/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Deal found 6/4![JetBlue logo]()
$95
This Super.com deal was found by Cheapflights users on 6/8. 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.
Mon 7/2711:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Deal found 6/8![JetBlue logo]()
$105
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:37 pm
DEN
- BUF
1 stop7h 58m
JetBlue
Deal found 6/9![JetBlue logo]()
$110
This Super.com deal was found by Cheapflights users on 6/8. 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 8/52:09 pm
DEN
- BUF
1 stop8h 16m
JetBlue
Deal found 6/8![JetBlue logo]()
$117
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:37 pm
DEN
- BUF
1 stop7h 57m
JetBlue
Deal found 6/8![JetBlue logo]()
$118
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:59 pm
DEN
- BUF
1 stop6h 06m
JetBlue
Deal found 6/5![JetBlue logo]()
$121
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:59 pm
DEN
- BUF
1 stop8h 30m
Frontier
Deal found 6/9![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/3011:46 pm
DEN
- BUF
1 stop12h 09m
Frontier
Deal found 6/4![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/8. 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.
Sat 8/2211:42 pm
DEN
- BUF
1 stop8h 58m
Frontier
Deal found 6/8![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/86:30 am
DEN
- BUF
1 stop25h 59m
Frontier
Deal found 6/9![Frontier logo]()
$129
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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Super.com) |
One-way from | $90 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $393 |
Good round-trip deal | $475 or less |
Good one-way deal | $218 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 2,558,603 searches. Data last updated June 9, 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 - BUF
DENBUF
Denver Intl
Sat 10/17
3:15 pm-11:50 pm
1 stop6h 35m
Buffalo
Sat 10/24
6:00 am-2:18 pm
1 stop10h 18m
$301
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Wed 7/15
11:37 pm-9:35 am
1 stop7h 58m
Buffalo
Sat 7/18
6:40 am-1:11 pm
1 stop8h 31m
$315
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Tue 7/14
5:40 pm-10:58 pm
Nonstop3h 18m
Buffalo
Tue 7/21
7:52 pm-12:30 am
1 stop6h 38m
$426
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Sat 7/25
7:25 pm-12:35 am
Nonstop3h 10m
Buffalo
Thu 8/20
12:30 pm-4:20 pm
1 stop5h 50m
$439
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Tue 7/21
12:05 pm-10:45 pm
2 stops8h 40m
Buffalo
Fri 7/24
2:50 pm-10:00 pm
1 stop9h 10m
$443
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Fri 11/20
7:05 am-3:29 pm
1 stop6h 24m
Buffalo
Fri 11/27
6:25 am-10:12 am
1 stop5h 47m
$457
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Mon 7/20
5:40 pm-10:58 pm
Nonstop3h 18m
Buffalo
Sun 7/26
7:52 pm-12:30 am
1 stop6h 38m
$460
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Wed 7/8
5:40 pm-10:58 pm
Nonstop3h 18m
Buffalo
Sun 7/12
7:52 pm-12:30 am
1 stop6h 38m
$468
Quickest round-trip
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Sat 8/1
7:25 pm-12:35 am
Nonstop3h 10m
Buffalo
Thu 8/6
6:50 am-8:15 am
Nonstop3h 25m
$478
DenverBuffalo
DEN - BUF
DENBUF
Denver Intl
Fri 7/24
1:00 pm-12:15 am
2 stops9h 15m
Buffalo
Thu 7/30
8:45 am-1:55 pm
2 stops7h 10m
$508
Showing 1-10 of 22 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 June.
| 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 |
- 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
How far ahead should I book a flight from Denver to Buffalo?
The best time to book flights from Denver to Buffalo is 60 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, October is the cheapest month in which you can book a flight from Denver to Buffalo (average of $240). Flying from Denver to Buffalo in June is currently the most expensive (average of $463). 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 June 9, 2026.
It’s optimal to fly from Denver to Buffalo in the morning. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight at noon.
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 June 9, 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
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 locationsLockport
Cheektowaga
Amherst
Batavia
Williamsville
Orchard Park
Eden
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Denver to Buffalo
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Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Buffalo by cabin class
Find flights from Denver to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Buffalo flights
Browse other Denver and Buffalo flight options. Last updated on June 9, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$129 | Average$336 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$298 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$298 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$485 | FlexibilityNo cancel fee | On-time63% |