Direct (non-stop) flights from Buffalo to Denver

BUF Buffalo Niagara International

Buffalo , NY , USA

DEN Denver International

Denver , CO , USA

CHANGE DIRECTION

Flight time

4h 00m

Flight distance

1363mi, 2193km

Flights from Buffalo to Denver route map

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USA

BUF

Buffalo , NY

USA

DEN

Denver , CO

Distance

1363 miles · (2193 km)

CHANGE DIRECTION

Flight time

4 hours and 00 minutes

Airlines with direct flights from Buffalo (BUF) to Denver (DEN)

Southwest Airlines

S

M

T

W

T

F

S

Low-cost airline

1–2 daily flights
United Airlines

Star Alliance

S

M

T

W

T

F

S

Business available

1 daily flight

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BUF DEN

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MONTHLY

WEEKLY

Buffalo (BUF) to Denver (DEN) flight schedule

The monthly calendar shows every direct flight departure from Buffalo Niagara International (BUF) with all airlines. Click on a date to see a list of flights or search for the best prices.

United

Southwest

View return flights from DEN to BUF

Southwest Airlines flight schedule from Buffalo to Denver

All weekly departures with Southwest Airlines. The week calendar shows every flight departure from Buffalo (BUF) to Denver (DEN). Click on a blue date to see a list of flights.

Week 31 (Jul 27 - Aug 2)

Week 29 (Jul 13 - Jul 19)
Week 30 (Jul 20 - Jul 26)
Week 31 (Jul 27 - Aug 2)
Week 32 (Aug 3 - Aug 9)
Week 33 (Aug 10 - Aug 16)
Week 34 (Aug 17 - Aug 23)
Week 35 (Aug 24 - Aug 30)
Week 36 (Aug 31 - Sep 6)
Week 37 (Sep 7 - Sep 13)
Week 38 (Sep 14 - Sep 20)
Week 39 (Sep 21 - Sep 27)
Week 40 (Sep 28 - Oct 4)
Week 41 (Oct 5 - Oct 11)
Week 42 (Oct 12 - Oct 18)
Week 43 (Oct 19 - Oct 25)
Week 44 (Oct 26 - Nov 1)
Week 45 (Nov 2 - Nov 8)
Week 46 (Nov 9 - Nov 15)
Week 47 (Nov 16 - Nov 22)
Week 48 (Nov 23 - Nov 29)
Week 49 (Nov 30 - Dec 6)
Week 50 (Dec 7 - Dec 13)
Week 51 (Dec 14 - Dec 20)
Week 52 (Dec 21 - Dec 27)
Week 53 (Dec 28 - Jan 3)
Week 1 (Jan 4 - Jan 10)
Week 2 (Jan 11 - Jan 17)
Week 3 (Jan 18 - Jan 24)
Week 4 (Jan 25 - Jan 31)
Week 5 (Feb 1 - Feb 7)
Week 6 (Feb 8 - Feb 14)
Week 7 (Feb 15 - Feb 21)
Week 8 (Feb 22 - Feb 28)
Week 9 (Mar 1 - Mar 7)
Week 10 (Mar 8 - Mar 14)
Week 11 (Mar 15 - Mar 21)
Week 12 (Mar 22 - Mar 28)
Week 13 (Mar 29 - Apr 4)
Week 14 (Apr 5 - Apr 11)
Week 15 (Apr 12 - Apr 18)
Week 16 (Apr 19 - Apr 25)
Week 17 (Apr 26 - May 2)
Week 18 (May 3 - May 9)
Week 19 (May 10 - May 16)
Week 20 (May 17 - May 23)
Week 21 (May 24 - May 30)
Week 22 (May 31 - Jun 6)
Week 23 (Jun 7 - Jun 13)
Week 24 (Jun 14 - Jun 20)
Week 25 (Jun 21 - Jun 27)
Week 26 (Jun 28 - Jul 4)
Week 27 (Jul 5 - Jul 11)
Week 28 (Jul 12 - Jul 18)

Flight

Mon

Jul 27

Tue

Jul 28

Wed

Jul 29

Thu

Jul 30

Fri

Jul 31

Sat

Aug 1

Sun

Aug 2

WN1514

----

05:05

----

WN3974

----

05:15

WN739

----

12:40

----

WN3413

16:40

----

16:40

----

WN450

----

16:50

----

WN2589

----

17:25

United Airlines flight schedule from Buffalo to Denver

All weekly departures with United Airlines. The week calendar shows every flight departure from Buffalo (BUF) to Denver (DEN). Click on a blue date to see a list of flights.

Week 31 (Jul 27 - Aug 2)

Week 29 (Jul 13 - Jul 19)
Week 30 (Jul 20 - Jul 26)
Week 31 (Jul 27 - Aug 2)
Week 32 (Aug 3 - Aug 9)
Week 33 (Aug 10 - Aug 16)
Week 34 (Aug 17 - Aug 23)
Week 35 (Aug 24 - Aug 30)
Week 36 (Aug 31 - Sep 6)
Week 37 (Sep 7 - Sep 13)
Week 38 (Sep 14 - Sep 20)
Week 39 (Sep 21 - Sep 27)
Week 40 (Sep 28 - Oct 4)
Week 41 (Oct 5 - Oct 11)
Week 42 (Oct 12 - Oct 18)
Week 43 (Oct 19 - Oct 25)
Week 44 (Oct 26 - Nov 1)
Week 45 (Nov 2 - Nov 8)
Week 46 (Nov 9 - Nov 15)
Week 47 (Nov 16 - Nov 22)
Week 48 (Nov 23 - Nov 29)
Week 49 (Nov 30 - Dec 6)
Week 50 (Dec 7 - Dec 13)
Week 51 (Dec 14 - Dec 20)
Week 52 (Dec 21 - Dec 27)
Week 53 (Dec 28 - Jan 3)
Week 1 (Jan 4 - Jan 10)
Week 2 (Jan 11 - Jan 17)
Week 3 (Jan 18 - Jan 24)
Week 4 (Jan 25 - Jan 31)
Week 5 (Feb 1 - Feb 7)
Week 6 (Feb 8 - Feb 14)
Week 7 (Feb 15 - Feb 21)
Week 8 (Feb 22 - Feb 28)
Week 9 (Mar 1 - Mar 7)
Week 10 (Mar 8 - Mar 14)
Week 11 (Mar 15 - Mar 21)
Week 12 (Mar 22 - Mar 28)
Week 13 (Mar 29 - Apr 4)
Week 14 (Apr 5 - Apr 11)
Week 15 (Apr 12 - Apr 18)
Week 16 (Apr 19 - Apr 25)
Week 17 (Apr 26 - May 2)
Week 18 (May 3 - May 9)
Week 19 (May 10 - May 16)
Week 20 (May 17 - May 23)
Week 21 (May 24 - May 30)
Week 22 (May 31 - Jun 6)
Week 23 (Jun 7 - Jun 13)
Week 24 (Jun 14 - Jun 20)
Week 25 (Jun 21 - Jun 27)
Week 26 (Jun 28 - Jul 4)
Week 27 (Jul 5 - Jul 11)
Week 28 (Jul 12 - Jul 18)

Flight

Mon

Jul 27

Tue

Jul 28

Wed

Jul 29

Thu

Jul 30

Fri

Jul 31

Sat

Aug 1

Sun

Aug 2

UA1727

09:00

Flight time

3h 20m - 4h 00m

Earliest flight

09:00

Last flight

16:40

Distance

1363 miles (2193 km)

Cheapest month

March

Airlines

2 (Show)

Flights per week

America/New York (UTC-4)

America/Denver (UTC-6)

DEN -2 hours behind

Arriving at Denver (DEN) , Colorado

Denver International (DEN) is the fourth largest airport in USA. You can fly to 236 destinations with 25 airlines in scheduled passenger traffic.

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Departing from Buffalo Niagara (BUF) , New York

Buffalo Niagara International (BUF) is a bigger airport in USA. You can fly to 32 destinations with 7 airlines in scheduled passenger traffic.

Show all flights from BUF

Airlines with direct flights from Buffalo to Denver in the past

Frontier

Last flight was scheduled 2025-10-27

Buffalo - Denver flight price statistics

$300

Approximate

The numbers are avarage prices found based on user searches for direct flights between Buffalo Niagara International and Denver International. Its calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.

N/A
Jan

$330
Feb

$158
Mar

$230
Apr

$262
May

$368
Jun

$363
Jul

$365
Aug

$349
Sep

$550
Oct

$508
Nov

$438
Dec

Approximate prices for one round-trip flight from Buffalo (BUF) to Denver (DEN). Graph is not to scale.

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Type of aircraft(s) on this route

Below is a list of aircraft types we have within our database with flights on this route. You can also see the aircrafts seat capacity together with classes.

Boeing 737MAX 8 Passenger

Southwest Airlines

175 seats

(All economy)

Boeing 737-800 (winglets) Passenger/BBJ2

Southwest Airlines

165 seats

(All economy)

Boeing 737-800 Passenger

United Airlines

167 seats

(8 first class)

ROUTE EXPLORING

Buffalo Niagara International - all destinations

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Frequently asked questions FAQ

How long does a flight from Buffalo (BUF) to Denver (DEN) take?

The flight between Buffalo (BUF) and Denver (DEN) typically takes about 3 hour and 40 minute.
How many flights per week are there on this route?

There are 13 direct flights between Buffalo and Denver every week.
What are the flight numbers on the route Buffalo to Denver?

The flight numbers are UA1727, WN330, WN338, WN420, WN437, WN450, WN480, WN569 together with 17 additional flights.
Which airports will I be using when flying from Buffalo to Denver?

From Buffalo you will fly out from Buffalo Niagara International (BUF) and you will be landing at Denver International (DEN).
What aircraft types are flying on this route?

Southwest and United fly this route with the same aircraft: Boeing 737.
How many airlines fly non-stop from Buffalo (BUF) to Denver (DEN)?

Two airlines. Southwest and United have non-stop flights to Denver.

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MAP EXPLORER Flights from Buffalo to Denver route map

Non-stop flights from BUF to DEN

1363 miles (2193 km) · 4 hours and 00 minutes

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Popular routes from Buffalo

Southwest Airlines routes

Buffalo (BUF) - Baltimore (BWI)

Buffalo (BUF) - Chicago (MDW)

Buffalo (BUF) - Orlando (MCO)

Buffalo (BUF) - Tampa (TPA)

Buffalo (BUF) - Nashville (BNA)

For more destinations from Buffalo with Southwest Airlines (WN), check out the Southwest Airlines route map .

United Airlines routes

Buffalo (BUF) - New York (EWR)

Buffalo (BUF) - Chicago (ORD)

Buffalo (BUF) - Dulles (IAD)

For more destinations from Buffalo with United Airlines (UA), check out the United Airlines route map .

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Airlines with direct flights from Buffalo (BUF) to Denver (DEN)

Buffalo (BUF) to Denver (DEN) flight schedule

Southwest Airlines flight schedule from Buffalo to Denver