Direct flights from Denver to Buffalo

Did you mean Flights from Buffalo to Denver?

Denver

United States

DEN

Denver International Airport

Buffalo

United States

BUF

Buffalo Niagara International Airport

Route: Nonstop service available
Distance: 1,356 miles
Marketing airlines: 2 airlines
Aircraft: 5 aircraft types
Dates: Oct 19, 2026 – Oct 17, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 15,000 points + $5.00 for DEN → BUF, Economy, on 2026-10-23, booked with LifeMiles. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

DEN → BUFEconomy
UA731
15,000 points+ $5.00
Departure
2026-10-23
Seats seen
9
Book with
LifeMiles
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
15,000 points+ $33.00
Departure
2026-10-23
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
15,000 points+ $5.00
Departure
2026-10-23
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
15,000 points+ $33.00
Departure
2026-10-24
Seats seen
9
Book with
Aeroplan
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
15,000 points+ $5.00
Departure
2026-10-24
Seats seen
9
Book with
LifeMiles
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
15,000 points+ $5.00
Departure
2026-10-24
Seats seen
1
Book with
United MileagePlus
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
18,000 points+ $5.00
Departure
2026-10-23
Seats seen
9
Book with
JetBlue
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
18,000 points+ $5.00
Departure
2026-10-24
Seats seen
9
Book with
JetBlue
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
19,000 points+ $9.00
Departure
2026-10-23
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
19,000 points+ $9.00
Departure
2026-10-24
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
22,500 points+ $0.00
Departure
2026-10-23
Seats seen
9
Book with
Ethiopian ShebaMiles
Observed (UTC)
2026-10-22 18:53
DEN → BUFEconomy
UA731
22,500 points+ $0.00
Departure
2026-10-24
Seats seen
9
Book with
Ethiopian ShebaMiles
Observed (UTC)
2026-10-22 18:53

Denver to Buffalo route overview

Denver International Airport (DEN) serves Denver; Buffalo Niagara International Airport (BUF) serves Buffalo.

The airports are 1,356 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from DEN to BUF.

Marketing airlines listed in the current schedule, including codeshare sellers, are United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 17, 2027.

Marketing airlines on the Denver to Buffalo route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Airline alliance affiliations represented: Star Alliance

Aircraft flying from DEN to BUF

Frequently asked questions

Which airports serve the Denver to Buffalo route?

Denver International Airport (DEN) is the origin airport and Buffalo Niagara International Airport (BUF) is the destination airport.

How far is Buffalo from Denver?

DEN and BUF are approximately 1,356 miles apart by great-circle distance.

Are there direct flights from DEN to BUF?

Yes. Roame's current schedule feed shows nonstop service from DEN to BUF.

Which airlines market flights from DEN to BUF?

Which aircraft fly from DEN to BUF?

Aircraft listed in the current schedule include Airbus A320 (320), Boeing 737-800 (738), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8) and 7S7.