Which airport is the most popular layover for flights between Denver and Buffalo?

New York (JFK) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

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

As of December 2025, 5 flights take off from Denver and land in Buffalo each week. The most common flight departure day for this route is Fri, with 40% of weekly flights taking off on this day.

What airlines fly to Buffalo?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Buffalo from Denver according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 6 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

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

Frontier and United Airlines are the most popular carriers operating from Denver Intl to Buffalo

Which layover airport has the shortest connection time from Denver to Buffalo?

Detroit (DTW) has the shortest average layover time for this route: 1h 13m.

Which layover airport has the shortest travel time from Denver to Buffalo?

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 5h 46m.

Which layover airport offers the lowest fares from Denver to Buffalo?

Flights via New York (JFK) offer the lowest average round-trip price of $326.

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 many operators does momondo search for flights from Denver Intl Airport to Buffalo Airport?

There are 6 operators available for flights from Denver Intl Airport to Buffalo Airport as of December 2025.

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 layovers. 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 required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$71 Cheap Flights from Denver to Buffalo in 2025/26

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6:31 pm - 8:13 am

DEN

BUF

11h 42m1 stop

1:15 pm - 9:38 pm

BUF

DEN

10h 23m1 stop

$182Frontier

Thu, Jan 8 - Mon, Jan 12

5:55 pm - 11:10 pm

DEN

BUF

3h 15mnonstop

8:17 am - 10:01 am

BUF

DEN

3h 44mnonstop

$199United Airlines

Mon, Mar 9 - Thu, Mar 12

12:59 am - 12:42 pm

DEN

BUF

9h 43m1 stop

11:42 am - 11:04 pm

BUF

DEN

13h 22m1 stop

$204Frontier

Wed, Apr 8 - Mon, Apr 13

5:30 pm - 10:45 pm

DEN

BUF

3h 15mnonstop

10:50 am - 2:23 pm

BUF

DEN

5h 33m1 stop

$209United Airlines

Fri, May 29 - Tue, Jun 2

12:14 am - 6:19 pm

DEN

BUF

16h 05m1 stop

7:14 pm - 9:41 pm

BUF

DEN

28h 27m1 stop

$214Frontier

Wed, Jan 14 - Sun, Jan 18

3:07 pm - 10:57 pm

DEN

BUF

5h 50m1 stop

6:49 pm - 12:28 am

BUF

DEN

7h 39m1 stop

$219Delta

Wed, Feb 4 - Fri, Feb 6

6:49 pm - 11:20 am

DEN

BUF

14h 31m2 stops

7:14 pm - 9:41 pm

BUF

DEN

28h 27m1 stop

$220Frontier

Thu, Jan 15 - Sun, Jan 18

12:28 pm - 11:41 pm

DEN

BUF

9h 13m2 stops

12:58 pm - 5:42 pm

BUF

DEN

6h 44m1 stop

$224American Airlines

Wed, Feb 4 - Fri, Feb 6

12:28 pm - 10:55 pm

DEN

BUF

8h 27m2 stops

6:05 am - 3:16 pm

BUF

DEN

11h 11m2 stops

$229American Airlines

Tue, Feb 3 - Sun, Feb 8

5:30 pm - 10:45 pm

DEN

BUF

3h 15mnonstop

8:30 am - 10:15 am

BUF

DEN

3h 45mnonstop

$236United Airlines

Fri, May 29 - Tue, Jun 2

Delta flights from Denver to Buffalo

Our best Delta deals on Denver to Buffalo flight tickets

Delta

Feb 4

DEN3:07 pmDenver Intl

5h 50m

1 stop

BUF10:57 pmBuffalo

Feb 6

BUF6:49 pmBuffalo

7h 39m

1 stop

DEN12:28 amDenver Intl

$219

Find similar

Delta

May 13

DEN12:59 amDenver Intl

8h 03m

1 stop

BUF11:02 amBuffalo

May 19

BUF4:57 pmBuffalo

7h 21m

1 stop

DEN10:18 pmDenver Intl

$239

Find similar

Delta

Dec 24

DEN2:30 pmDenver Intl

7h 07m

1 stop

BUF11:37 pmBuffalo

Jan 2

BUF6:10 amBuffalo

5h 39m

1 stop

DEN9:49 amDenver Intl

$338

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American Airlines flights from Denver to Buffalo

Our best American Airlines deals on Denver to Buffalo flight tickets

American Airlines

Feb 4

DEN12:28 pmDenver Intl

9h 13m

2 stops

BUF11:41 pmBuffalo

Feb 6

BUF12:58 pmBuffalo

6h 44m

1 stop

DEN5:42 pmDenver Intl

$224

Find similar

American Airlines

Feb 3

DEN12:28 pmDenver Intl

8h 27m

2 stops

BUF10:55 pmBuffalo

Feb 8

BUF6:05 amBuffalo

11h 11m

2 stops

DEN3:16 pmDenver Intl

$229

Find similar

American Airlines

Feb 19

DEN7:00 amDenver Intl

8h 18m

1 stop

BUF5:18 pmBuffalo

Feb 23

BUF1:43 pmBuffalo

10h 53m

2 stops

DEN10:36 pmDenver Intl

$243

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Fly from

Fly to

Route

Depart

Return

Price

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/8

6:31 pm-8:13 am

1 stop11h 42m

Buffalo

Mon 1/12

1:15 pm-9:38 pm

1 stop10h 23m

$182

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 3/9

5:55 pm-11:10 pm

Nonstop3h 15m

Buffalo

Thu 3/12

8:17 am-10:01 am

Nonstop3h 44m

$199

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 4/8

12:59 am-12:42 pm

1 stop9h 43m

Buffalo

Mon 4/13

11:42 am-11:04 pm

1 stop13h 22m

$204

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 5/29

5:30 pm-10:45 pm

Nonstop3h 15m

Buffalo

Tue 6/2

10:50 am-2:23 pm

1 stop5h 33m

$209

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 1/14

12:14 am-6:19 pm

1 stop16h 05m

Buffalo

Sun 1/18

7:14 pm-9:41 pm

1 stop28h 27m

$214

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/4

3:07 pm-10:57 pm

1 stop5h 50m

Buffalo

Fri 2/6

6:49 pm-12:28 am

1 stop7h 39m

$219

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/15

6:49 pm-11:20 am

2 stops14h 31m

Buffalo

Sun 1/18

7:14 pm-9:41 pm

1 stop28h 27m

$220

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/4

12:28 pm-11:41 pm

2 stops9h 13m

Buffalo

Fri 2/6

12:58 pm-5:42 pm

1 stop6h 44m

$224

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 2/3

12:28 pm-10:55 pm

2 stops8h 27m

Buffalo

Sun 2/8

6:05 am-3:16 pm

2 stops11h 11m

$229

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 5/29

5:30 pm-10:45 pm

Nonstop3h 15m

Buffalo

Tue 6/2

8:30 am-10:15 am

Nonstop3h 45m

$236

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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

Airlines

Layovers

Other information

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of October, then book flights to Buffalo from Denver during September instead. Flights to Buffalo in September, while not as cheap as those in October, still average around $244.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Friday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $235. Flights from Denver to Buffalo on a Saturday will generally be more expensive and average around $447. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the morning is the cheapest time of day to fly from Denver to Buffalo when you can find flight prices for as low as $235. Flying to Buffalo in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $545 per ticket.

What is the cheapest Denver Intl to Buffalo flight route?

Fly from Denver Intl to Buffalo for the best Denver Intl - Buffalo flight prices

How far in advance should I book a flight 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 $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Denver for as low as $225 on momondo.

What cabin class options are available on Denver Intl to Buffalo flights?

There are 2 cabin classes available to choose from on Denver Intl to Buffalo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Buffalo flights?

No. A direct flight is the cheapest option for a flight between Denver to Buffalo.

How have Denver to Buffalo flight prices changed over time?

As of December 2025, prices for Denver to Buffalo flights are approximately 6% 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 round-trip 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	$428
Fastest flight time	3h 00m
Direct flights	Every day
Airports in Buffalo	1 airport

The best one-way flight to Buffalo from Denver in the past 72 hours is $428. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $417.

The fastest flight from Denver to Buffalo takes 3h 00m

Direct flights go from Denver to Buffalo every day.

There is 1 airport near Buffalo: Buffalo (BUF)

Search flight deals

How far is Denver Intl to Buffalo by plane?
The straight-line distance from Denver Intl to Buffalo is 1365.6 mi. In terms of flight time, this usually takes a little over 3h 00m.
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 many operators does momondo search for flights from Denver Intl Airport to Buffalo Airport?
There are 6 operators available for flights from Denver Intl Airport to Buffalo Airport as of December 2025.
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 layovers. 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 required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Buffalo?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denver to Buffalo is Boeing 737-800 (39.71% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (20.10%), Boeing 737-800 Passenger/BBJ2 (winglets) (14.22%), and Airbus A321neo (12.75%).
What is the most popular airline from Denver to Buffalo?
Based on momondo bookings for flights between Denver and Buffalo, the leading airline is Frontier, making up 37% of the total bookings. Other popular airlines include Southwest with 23%, United Airlines with 22%, and American Airlines with 9%.

Best airlines flying from Denver to Buffalo

Compare and see reviews for airlines that fly from Denver to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $118	Free Cancellation	Rating 5.8 3,085 reviews	Search Frontier flights
JetBlue	PriceFrom $129	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
American Airlines	PriceFrom $182	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
United Airlines	PriceFrom $186	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Southwest	PriceFrom $276	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights

Batavia

Cheektowaga

Amherst

Tonawanda

Grand Island

Williamsville

Orchard Park

Lockport

West Seneca

East Aurora

Bowmansville

Eden

Angola

Why use momondo?

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

Finding the right flight to Buffalo from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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?

If you are simply researching potential flights to Buffalo, momondo offers a useful price alert feature which will track prices for flights to Buffalo from Denver and alert you when they change.

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Denver to Buffalo from $71

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 3/4. 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

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

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of October, then book flights to Buffalo from Denver during September instead. Flights to Buffalo in September, while not as cheap as those in October, still average around $244.

What is the cheapest day to depart on your flight to Buffalo?

What is the cheapest time of day to depart on your flight to Buffalo?

What is the cheapest Denver Intl to Buffalo flight route?

Fly from Denver Intl to Buffalo for the best Denver Intl - Buffalo flight prices

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

What cabin class options are available on Denver Intl to Buffalo flights?

There are 2 cabin classes available to choose from on Denver Intl to Buffalo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Buffalo flights?

No. A direct flight is the cheapest option for a flight between Denver to Buffalo.

How have Denver to Buffalo flight prices changed over time?

As of December 2025, prices for Denver to Buffalo flights are approximately 6% more expensive when compared to flights at the same time last year.

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

Frontier and United Airlines are the most popular carriers operating from Denver Intl to Buffalo

What airlines fly to Buffalo?

Which airport is the most popular layover for flights between Denver and Buffalo?

New York (JFK) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Denver to Buffalo?

Flights via New York (JFK) offer the lowest average round-trip price of $326.

Which layover airport has the shortest travel time from Denver to Buffalo?

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 5h 46m.

Which layover airport has the shortest connection time from Denver to Buffalo?

Detroit (DTW) has the shortest average layover time for this route: 1h 13m.

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

As of December 2025, 5 flights take off from Denver and land in Buffalo each week. The most common flight departure day for this route is Fri, with 40% of weekly flights taking off on this day.

When to book flights from Denver to Buffalo

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

Fastest flight time

Direct flights

Airports in Buffalo

How far is Denver Intl to Buffalo by plane?

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

How many operators does momondo search for flights from Denver Intl Airport to Buffalo Airport?

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

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

What is the most popular plane model from Denver to Buffalo?

What is the most popular airline from Denver to Buffalo?

Best airlines flying from Denver to Buffalo

Compare and see reviews for airlines that fly from Denver to Buffalo with momondo

Traveling to a place near Buffalo?

Why use momondo?

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

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

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

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

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York