Cheap Flight Tickets from Denver (DEN) to Buffalo (BUF), Starting at $322

Good to Know: Cheapest and Fastest DEN - BUF Flights

Useful information for finding best airline tickets from Denver International to Buffalo Niagara International on your next trip.

Cheapest Round Trip Flight

$453

WN Southwest Airlines • nonstop • 5h

Nov 05 – Nov 08

The cheapest round trip flight from Denver to Buffalo (DEN-BUF-DEN) is currently $453

🔍 Search Flights

Cheapest Direct Flight

$322

UA United Airlines • nonstop • 5h 8m

Nov 05

The cheapest nonstop flight from Denver to Buffalo (DEN-BUF) is currently $322

🔍 Search Flights

Fastest Flight

5h

The fastest nonstop flight from Denver to Buffalo (DEN-BUF) takes 5h

Top Airlines Flying from Denver to Buffalo

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

United Airlines, UA

United Airlines

Latest Flight Deals from Denver (DEN) to Buffalo (BUF)

Compare and book low fare round-trip air tickets from Denver to Buffalo. Ideal for travelers with confirmed return itineraries.

Nov 05 - Nov 08, Economy
WN
Denver → Buffalo
5h
11:50 AM - 4:50 PM • nonstop
WN
Denver → Buffalo
5h 40m
4:55 PM - 6:35 PM • nonstop
$453
Southwest Airlines
Nov 05 - Nov 08, Economy
WN
Denver → Buffalo
11h 55m
12:00 PM - 9:15 PM • 1 stop
WN
Denver → Buffalo
5h 40m
4:55 PM - 6:35 PM • nonstop
$457
Southwest Airlines
Nov 05 - Nov 08, Economy
WN
Denver → Buffalo
8h 35m
8:00 AM - 3:15 PM • 1 stop
WN
Denver → Buffalo
10h 30m
6:00 AM - 10:30 AM • 1 stop
$462
Southwest Airlines
Nov 05 - Nov 08, Economy
WN
Denver → Buffalo
10h 55m
6:30 AM - 3:25 PM • 2 stops
WN
Denver → Buffalo
5h 40m
4:55 PM - 6:35 PM • nonstop
$469
Southwest Airlines
Nov 05 - Nov 08, Economy
B6
Denver → Buffalo
23h 57m
3:30 PM - 8:07 AM • 1 stop
B6
Denver → Buffalo
17h 14m
6:00 AM - 2:34 PM • 1 stop
$1054
JetBlue Airways
Nov 05 - Nov 08, Economy
B6
Denver → Buffalo
31h 47m
2:00 PM - 11:07 AM • 1 stop
B6
Denver → Buffalo
17h 14m
6:00 AM - 2:34 PM • 1 stop
$1090
JetBlue Airways

Fly from Denver to Buffalo with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Denver to Buffalo? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Denver to Buffalo Flights

What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to BUF?
The most popular airline flying from Denver to Buffalo are
Can I fly from DEN to BUF non-stop?
Yes, you can fly DEN to BUF non-stop on
Which airlines fly nonstop between Denver and Buffalo?
The non-stop flights between Denver and Buffalo are .
What’s the earliest departure time from DEN to BUF Airport?
The earliest flight leaves DEN at 6:30 am and lands in BUF - Buffalo Niagara International
What are the airports in Buffalo?
BUF
Can I make changes to my Denver to Buffalo flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to BUF?
Read the fare rules of the Denver to Buffalo air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and Buffalo?
operate flights between Denver and Buffalo
How long does a flight from Denver to Buffalo take?
It takes approximately 3 hour to fly non-stop from DEN to BUF, which is 1358.99 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to Buffalo (BUF) ?
In the past couple of days, the cheapest tickets to BUF from DEN were found on WN : USD 462
Do I need a passport to fly between DEN and BUF?
No
What’s the latest departure time from DEN to BUF ?
The last flight leaves DEN at 5:25 pm

Denver (DEN) to Buffalo (BUF): Airport Information

Origin Airport Denver International , Denver, US
Destination Airport Buffalo Niagara International , Buffalo, US
Distance 1359 miles

More Flight Options for Denver (DEN) and Buffalo (BUF)

Why Fareleaders for DEN to BUF Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Denver to Buffalo flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on DEN to BUF flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Denver to Buffalo flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Denver (DEN) to Buffalo (BUF)
Terms and Conditions*