What is the cheapest airline that flies from Denver Intl to Buffalo?

Southwest, Delta, and United Airlines are the most popular carriers operating from Denver Intl to Buffalo

How many flights depart from Denver to Buffalo on average per day?

As of September 2026, there are 1 flights per day flying from Denver to Buffalo. The most common time of day flights depart is 17:00, with 90% of flights taking off in the afternoon.

How many flights depart from Denver to Buffalo on average per week?

10 flights are operational weekly from Denver to Buffalo as of September 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

When did momondo last update prices for flights from Denver Intl Airport to Buffalo Airport?

Prices for flights from Denver Intl Airport to Buffalo Airport are refreshed on a daily basis.

How old do you have to be to fly from Denver Intl Airport to Buffalo Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Buffalo Airport.

What documentation or ID do you need to fly to Buffalo Airport?

The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

R2 296 Cheap Flights from Denver to Buffalo in 2026/27

Find the cheapest flights from Denver to Buffalo

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One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

17:25 - 22:33DEN Denver Intl-BUF Buffalo

3h 08mdirect

8:50 - 10:35BUF Buffalo-DEN Denver Intl

3h 45mdirect

R4 949United Airlines

Wed, Oct 28 - Wed, Nov 4

6:00 - 14:23DEN Denver Intl-BUF Buffalo

6h 23m1 stop Washington, D.C. Dulles Intl

19:59 - 0:30BUF Buffalo-DEN Denver Intl

6h 31m1 stop Washington, D.C. Dulles Intl

R6 122United Airlines

Thu, Oct 15 - Mon, Oct 19

17:25 - 22:33DEN Denver Intl-BUF Buffalo

3h 08mdirect

8:17 - 10:03BUF Buffalo-DEN Denver Intl

3h 46mdirect

R6 252United Airlines

Tue, Nov 24 - Tue, Dec 8

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

8:45 - 10:22BUF Buffalo-DEN Denver Intl

3h 37mdirect

R6 366United Airlines

Sat, Oct 17 - Sat, Oct 24

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

8:50 - 10:35BUF Buffalo-DEN Denver Intl

3h 45mdirect

R6 382United Airlines

Thu, Oct 22 - Mon, Oct 26

23:59 - 9:54DEN Denver Intl-BUF Buffalo

7h 55m1 stop Washington, D.C. Dulles Intl

8:17 - 10:03BUF Buffalo-DEN Denver Intl

3h 46mdirect

R6 415United Airlines

Tue, Nov 24 - Tue, Dec 8

5:40 - 15:20DEN Denver Intl-BUF Buffalo

7h 40m1 stop Baltimore/Washington

17:10 - 22:45BUF Buffalo-DEN Denver Intl

7h 35m1 stop Orlando

R6 447Southwest

Wed, Oct 21 - Wed, Oct 21

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

8:50 - 10:35BUF Buffalo-DEN Denver Intl

3h 45mdirect

R6 464United Airlines

Sat, Oct 24 - Sun, Oct 25

23:55 - 9:40DEN Denver Intl-BUF Buffalo

7h 45m1 stop Orlando

12:30 - 18:45BUF Buffalo-DEN Denver Intl

8h 15m2 stops Baltimore/Washington Austin Bergstrom

R6 480Southwest

Fri, Oct 23 - Sat, Oct 24

6:00 - 15:10DEN Denver Intl-BUF Buffalo

7h 10m1 stop Newark

8:45 - 10:22BUF Buffalo-DEN Denver Intl

3h 37mdirect

R6 529United Airlines

Sat, Oct 17 - Sat, Oct 24

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:35 - 0:12DEN Denver Intl-BUF Buffalo

15h 37m1 stop New York John F Kennedy Intl

12:15 - 15:06BUF Buffalo-DEN Denver Intl

4h 51m1 stop Detroit Metropolitan Wayne County

R10 957Delta

Fri, Oct 2 - Sat, Oct 10

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

19:59 - 0:30BUF Buffalo-DEN Denver Intl

6h 31m1 stop Washington, D.C. Dulles Intl

R11 381United Airlines

Thu, Oct 1 - Wed, Oct 7

6:15 - 0:12DEN Denver Intl-BUF Buffalo

15h 57m2 stops Minneapolis St Paul New York John F Kennedy Intl

12:15 - 17:32BUF Buffalo-DEN Denver Intl

7h 17m1 stop Detroit Metropolitan Wayne County

R11 413Delta

Fri, Oct 2 - Thu, Oct 8

15:00 - 23:59DEN Denver Intl-BUF Buffalo

6h 59m1 stop Atlanta Hartsfield-Jackson

10:00 - 16:23BUF Buffalo-DEN Denver Intl

8h 23m1 stop New York LaGuardia

R11 543Delta

Fri, Oct 2 - Wed, Oct 7

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

6:30 - 14:15BUF Buffalo-DEN Denver Intl

9h 45m1 stop Newark

R11 755United Airlines

Fri, Oct 2 - Thu, Oct 8

13:15 - 23:59DEN Denver Intl-BUF Buffalo

8h 44m1 stop Atlanta Hartsfield-Jackson

14:10 - 20:42BUF Buffalo-DEN Denver Intl

8h 32m1 stop New York LaGuardia

R11 918Delta

Fri, Oct 2 - Thu, Oct 8

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

19:59 - 0:26BUF Buffalo-DEN Denver Intl

6h 27m1 stop Washington, D.C. Dulles Intl

R12 129United Airlines

Wed, Sep 30 - Sat, Oct 10

6:00 - 15:10DEN Denver Intl-BUF Buffalo

7h 10m1 stop Newark

19:59 - 0:26BUF Buffalo-DEN Denver Intl

6h 27m1 stop Washington, D.C. Dulles Intl

R12 292United Airlines

Fri, Oct 2 - Sat, Oct 10

17:31 - 22:43DEN Denver Intl-BUF Buffalo

3h 12mdirect

15:52 - 21:06BUF Buffalo-DEN Denver Intl

7h 14m1 stop Newark

R12 471United Airlines

Thu, Oct 1 - Sat, Oct 10

13:50 - 19:00DEN Denver Intl-BUF Buffalo

3h 10mdirect

5:20 - 12:00BUF Buffalo-DEN Denver Intl

8h 40m1 stop Tampa

R12 650Southwest

Fri, Oct 2 - Mon, Nov 2

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United Airlines flights from Denver to Buffalo

Our best United Airlines deals on Denver to Buffalo flight tickets

United Airlines

Oct 28

DEN17:25Denver Intl

3h 08m

BUF22:33Buffalo

Nov 4

BUF8:50Buffalo

3h 45m

DEN10:35Denver Intl

R4 949

United Airlines

Oct 15

DEN6:00Denver Intl

6h 23m

1 stop

BUF14:23Buffalo

Oct 19

BUF19:59Buffalo

6h 31m

1 stop

DEN0:30Denver Intl

R6 122

United Airlines

Nov 24

DEN17:25Denver Intl

3h 08m

BUF22:33Buffalo

Dec 8

BUF8:17Buffalo

3h 46m

DEN10:03Denver Intl

R6 252

Southwest flights from Denver to Buffalo

Our best Southwest deals on Denver to Buffalo flight tickets

Southwest

Oct 21

DEN5:40Denver Intl

7h 40m

1 stop

BUF15:20Buffalo

Oct 21

BUF17:10Buffalo

7h 35m

1 stop

DEN22:45Denver Intl

R6 447

Southwest

Oct 23

DEN23:55Denver Intl

7h 45m

1 stop

BUF9:40Buffalo

Oct 24

BUF12:30Buffalo

8h 15m

2 stops

DEN18:45Denver Intl

R6 480

Southwest

Oct 27

DEN12:30Denver Intl

3h 10m

BUF17:40Buffalo

Oct 31

BUF6:00Buffalo

7h 25m

2 stops

DEN11:25Denver Intl

R6 610

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Wed 28/10

17:25-22:33

Nonstop3h 08m

Buffalo

Wed 4/11

8:50-10:35

Nonstop3h 45m

R4 949

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Thu 15/10

6:00-14:23

1 stop6h 23m

Buffalo

Mon 19/10

19:59-0:30

1 stop6h 31m

R6 122

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Tue 24/11

17:25-22:33

Nonstop3h 08m

Buffalo

Tue 8/12

8:17-10:03

Nonstop3h 46m

R6 252

Fastest return journey

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 17/10

17:31-22:43

Nonstop3h 12m

Buffalo

Sat 24/10

8:45-10:22

Nonstop3h 37m

R6 366

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Thu 22/10

17:31-22:43

Nonstop3h 12m

Buffalo

Mon 26/10

8:50-10:35

Nonstop3h 45m

R6 382

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Tue 24/11

23:59-9:54

1 stop7h 55m

Buffalo

Tue 8/12

8:17-10:03

Nonstop3h 46m

R6 415

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Wed 21/10

5:40-15:20

1 stop7h 40m

Buffalo

Wed 21/10

17:10-22:45

1 stop7h 35m

R6 447

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 24/10

17:31-22:43

Nonstop3h 12m

Buffalo

Sun 25/10

8:50-10:35

Nonstop3h 45m

R6 464

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Fri 23/10

23:55-9:40

1 stop7h 45m

Buffalo

Sat 24/10

12:30-18:45

2 stops8h 15m

R6 480

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 17/10

6:00-15:10

1 stop7h 10m

Buffalo

Sat 24/10

8:45-10:22

Nonstop3h 37m

R6 529

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the typical price of a round-trip flight between Denver and Buffalo?

Prices are currently typical for flights on this route.

Typical prices usually range from R4 852 to R8 238.
The lowest price recently found on this route was R4 949.

What is the cheapest month to fly to Buffalo?

In general, January is the cheapest month to fly from Denver to Buffalo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R4 168. If you aren’t able to travel to Buffalo during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of R4 510.

How far in advance should I book a flight from Denver to Buffalo?

You are more likely to see cheaper flights to Buffalo from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around R6 598 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Denver for as low as R4 233 on momondo.

How have Denver to Buffalo flight prices changed over time?

As of September 2026, prices for Denver to Buffalo flights are approximately 74% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Buffalo according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Denver to Buffalo (DEN to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Buffalo

Best price found	R2 296
Direct flights	Every day
Airports in Buffalo	1 airport

The best one-way flight to Buffalo from Denver in the past 72 hours is R2 296. The best return flight deal from Denver to Buffalo found on momondo in the last 72 hours is R4 949.

Direct flights go from Denver to Buffalo every day.

There is 1 airport in Buffalo. From Denver there are direct flights to Buffalo (BUF).

Search flight deals

Frequently asked questions about flying from Denver to Buffalo

How far is Denver Intl to Buffalo by plane?
The straight-line distance from Denver Intl to Buffalo is 2197,7 km.
When did momondo last update prices for flights from Denver Intl Airport to Buffalo Airport?
Prices for flights from Denver Intl Airport to Buffalo Airport are refreshed on a daily basis.
How old do you have to be to fly from Denver Intl Airport to Buffalo Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Denver to Buffalo?
Based on momondo bookings for flights between Denver and Buffalo, the leading plane model is Boeing 737-800, making up 51,05% of the total bookings. Other popular models include Boeing 737 MAX 8 with 17,89%, Boeing 737-800 Passenger/BBJ2 (winglets) with 11,58%, and Boeing 737 with 5,26%.

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Why use momondo?

Why should I use momondo to find a flight deal from Denver to Buffalo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Buffalo . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Buffalo with flexible booking policies on momondo?

All flight searches from Denver to Buffalo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Buffalo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from Denver.

I’m not ready to book a flight from Denver to Buffalo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Denver to Buffalo from R2 296

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Buffalo departing on 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Denver to Buffalo

What is the typical price of a round-trip flight between Denver and Buffalo?

What is the cheapest month to fly to Buffalo?

How far in advance should I book a flight from Denver to Buffalo?

How have Denver to Buffalo flight prices changed over time?

What is the cheapest airline that flies from Denver Intl to Buffalo?

How many flights depart from Denver to Buffalo on average per day?

How many flights depart from Denver to Buffalo on average per week?

When to book flights from Denver to Buffalo

Cheap Denver to Buffalo (DEN to BUF) flight deals and tips

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Frequently asked questions about flying from Denver to Buffalo

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An easier way to manage your Buffalo trip

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