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 34% 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 is the most popular carrier operating from Denver Intl to Buffalo

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

As of May 2026, 6 flights take off from Denver and land in Buffalo each week. The most common flight departure day for this route is Mon, with 17% of weekly flights 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 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 May 2026.

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.

$96 Cheap Flights from Denver to Buffalo in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $477 to $243. The lowest price recently found on this route was $270.

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6:00 am - 7:06 pm

DEN

BUF

11h 06m

1 stop

11:29 am - 10:05 pm

BUF

DEN

12h 36m

1 stop

$270Frontier

Tue, Jul 7 - Tue, Jul 14

11:49 pm - 7:12 pm

DEN

BUF

17h 23m

1 stop

11:50 am - 10:16 pm

BUF

DEN

12h 26m

1 stop

$282Frontier

Tue, Jun 23 - Tue, Jun 30

11:46 pm - 11:33 am

DEN

BUF

9h 47m

1 stop

2:48 pm - 10:05 pm

BUF

DEN

9h 17m

1 stop

$284Frontier

Fri, Jul 10 - Wed, Jul 15

11:46 pm - 10:40 am

DEN

BUF

8h 54m

1 stop

9:29 pm - 7:33 am

BUF

DEN

12h 04m

1 stop

$289Frontier

Wed, Jul 1 - Thu, Jul 9

11:46 pm - 10:40 am

DEN

BUF

8h 54m

1 stop

11:50 am - 10:16 pm

BUF

DEN

12h 26m

1 stop

$290Frontier

Wed, Jun 10 - Tue, Jun 16

11:59 pm - 5:34 pm

DEN

BUF

15h 35m

1 stop

1:16 pm - 10:33 pm

BUF

DEN

11h 17m

1 stop

$296Frontier

Wed, Sep 16 - Sat, Sep 19

6:00 am - 9:07 pm

DEN

BUF

13h 07m

1 stop

11:35 am - 10:16 pm

BUF

DEN

12h 41m

1 stop

$298Frontier

Sat, Jul 25 - Thu, Aug 20

6:00 am - 4:32 pm

DEN

BUF

8h 32m

1 stop

7:57 pm - 8:07 am

BUF

DEN

14h 10m

1 stop

$299Frontier

Thu, Jul 9 - Mon, Jul 13

11:46 pm - 11:34 am

DEN

BUF

9h 48m

1 stop

11:50 am - 10:16 pm

BUF

DEN

12h 26m

1 stop

$302Frontier

Fri, Jun 19 - Tue, Jun 30

11:46 pm - 10:55 am

DEN

BUF

9h 09m

1 stop

2:50 pm - 10:16 pm

BUF

DEN

9h 26m

1 stop

$303Frontier

Mon, Jun 22 - Fri, Jul 3

Frontier flights from Denver to Buffalo

Our best Frontier deals on Denver to Buffalo flight tickets

Frontier

Jul 7

DEN11:46 pmDenver Intl

12h 07m

1 stop

BUF1:53 pmBuffalo

Jul 15

BUF7:57 pmBuffalo

13h 36m

1 stop

DEN7:33 amDenver Intl

$270

Frontier

Jun 23

DEN11:49 pmDenver Intl

17h 23m

1 stop

BUF7:12 pmBuffalo

Jun 30

BUF11:50 amBuffalo

12h 26m

1 stop

DEN10:16 pmDenver Intl

$282

Frontier

Jul 16

DEN11:46 pmDenver Intl

12h 07m

1 stop

BUF1:53 pmBuffalo

Jul 28

BUF9:09 pmBuffalo

12h 58m

1 stop

DEN8:07 amDenver Intl

$284

United Airlines flights from Denver to Buffalo

Our best United Airlines deals on Denver to Buffalo flight tickets

United Airlines

Jul 15

DEN5:40 pmDenver Intl

3h 18m

BUF10:58 pmBuffalo

Jul 22

BUF7:52 pmBuffalo

6h 38m

1 stop

DEN12:30 amDenver Intl

$397

United Airlines

Jun 10

DEN5:40 pmDenver Intl

3h 18m

BUF10:58 pmBuffalo

Jun 17

BUF9:00 amBuffalo

3h 35m

DEN10:35 amDenver Intl

$482

United Airlines

Jun 10

DEN5:40 pmDenver Intl

3h 18m

BUF10:58 pmBuffalo

Jun 17

BUF6:04 pmBuffalo

7h 49m

1 stop

DEN11:53 pmDenver Intl

$492

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 7/7

6:00 am-7:06 pm

1 stop11h 06m

Buffalo

Tue 7/14

11:29 am-10:05 pm

1 stop12h 36m

$270

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 6/23

11:49 pm-7:12 pm

1 stop17h 23m

Buffalo

Tue 6/30

11:50 am-10:16 pm

1 stop12h 26m

$282

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 7/10

11:46 pm-11:33 am

1 stop9h 47m

Buffalo

Wed 7/15

2:48 pm-10:05 pm

1 stop9h 17m

$284

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 7/1

11:46 pm-10:40 am

1 stop8h 54m

Buffalo

Thu 7/9

9:29 pm-7:33 am

1 stop12h 04m

$289

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 6/10

11:46 pm-10:40 am

1 stop8h 54m

Buffalo

Tue 6/16

11:50 am-10:16 pm

1 stop12h 26m

$290

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 9/16

11:59 pm-5:34 pm

1 stop15h 35m

Buffalo

Sat 9/19

1:16 pm-10:33 pm

1 stop11h 17m

$296

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 7/25

6:00 am-9:07 pm

1 stop13h 07m

Buffalo

Thu 8/20

11:35 am-10:16 pm

1 stop12h 41m

$298

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 7/9

6:00 am-4:32 pm

1 stop8h 32m

Buffalo

Mon 7/13

7:57 pm-8:07 am

1 stop14h 10m

$299

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 6/19

11:46 pm-11:34 am

1 stop9h 48m

Buffalo

Tue 6/30

11:50 am-10:16 pm

1 stop12h 26m

$302

Quickest round-trip

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 6/22

11:46 pm-10:55 am

1 stop9h 09m

Buffalo

Fri 7/3

2:50 pm-10:16 pm

1 stop9h 26m

$303

Flights are sorted by cheapest round-trip 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

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Other information

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

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 $242.

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 $233. Flights from Denver to Buffalo on a Saturday will generally be more expensive and average around $491. 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 $241. 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 $520 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 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 $327 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 $222 on momondo.

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

There are 3 cabin classes available to choose from on Denver 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 May 2026, prices for Denver to Buffalo flights are approximately 178% 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	$231
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 $231. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $475.

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

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 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 May 2026.
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 (48.79% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (26.61%), Boeing 737 MAX 9 (6.45%), and Boeing 737-800 Passenger/BBJ2 (winglets) (6.05%).
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 36% of the total bookings. Other popular airlines include United Airlines with 28%, Southwest with 19%, and Delta with 7%.

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 $98	Free Cancellation	Rating 5.6 2,932 reviews	Search Frontier flights
JetBlue	PriceFrom $129	Free Cancellation	Rating 7.1 2,982 reviews	Search JetBlue flights
American Airlines	PriceFrom $182	Free Cancellation	Rating 7.1 11,639 reviews	Search American Airlines flights
United Airlines	PriceFrom $185	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
Southwest	PriceFrom $270	Free Cancellation	Rating 7.9 4,265 reviews	Search Southwest flights

United Airlines Flights From Denver to Buffalo
United Airlines is one of the most popular airlines flying from Denver to Buffalo, operating 6 flights/week on average for this route. A good United Airlines flight deal for Denver to Buffalo starts from $185 round-trip, up to an average price of $421. Our users have rated United Airlines at 7.4/10.

Batavia

Cheektowaga

Amherst

Tonawanda

Williamsville

Grand Island

Orchard Park

Bowmansville

West Seneca

Lockport

East Aurora

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

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Cheap flights from Denver to Buffalo from $134

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 6/24. 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?

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?

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

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

Can stopping save me money on Denver to Buffalo flights?

How have Denver to Buffalo flight prices changed over time?

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

What airlines fly to Buffalo?

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

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

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Frequently asked questions about flying 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

United Airlines Flights From Denver to Buffalo

Traveling to a place near Buffalo?

Why use momondo?

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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List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

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