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Cheap flights from Buffalo to Denver from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Denver departing on 5/30. 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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0 bags

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Find the cheapest flights from Buffalo to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:49 pm - 11:11 pm
BUF
-
DEN
28h 22m
1 stop
Frontier Logo
11:54 pm - 1:54 pm
DEN
-
BUF
12h 00m
1 stop
$221Frontier
Thu, May 28 - Tue, Jun 2
Frontier Logo
7:44 pm - 2:32 pm
BUF
-
DEN
20h 48m
1 stop
Frontier Logo
6:00 am - 6:59 pm
DEN
-
BUF
10h 59m
1 stop
$223Frontier
Thu, Jun 4 - Sun, Jun 7
Frontier Logo
11:44 am - 10:59 pm
BUF
-
DEN
13h 15m
1 stop
Frontier Logo
11:59 pm - 11:37 am
DEN
-
BUF
9h 38m
1 stop
$225Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
1:11 pm - 10:29 pm
BUF
-
DEN
11h 18m
1 stop
Frontier Logo
11:59 pm - 11:37 am
DEN
-
BUF
9h 38m
1 stop
$226Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
2:50 pm - 10:16 pm
BUF
-
DEN
9h 26m
1 stop
Frontier Logo
11:42 pm - 1:55 pm
DEN
-
BUF
12h 13m
1 stop
$230Frontier
Wed, Jul 8 - Sun, Jul 12
Frontier Logo
1:11 pm - 10:29 pm
BUF
-
DEN
11h 18m
1 stop
Frontier Logo
11:59 pm - 12:12 pm
DEN
-
BUF
10h 13m
1 stop
$233Frontier
Sat, Apr 25 - Wed, Apr 29
Frontier Logo
1:56 pm - 10:29 pm
BUF
-
DEN
10h 33m
1 stop
Frontier Logo
7:11 pm - 10:41 am
DEN
-
BUF
13h 30m
2 stops
$238Frontier
Tue, Apr 28 - Mon, May 4
Frontier Logo
12:18 pm - 10:29 pm
BUF
-
DEN
12h 11m
1 stop
Frontier Logo
6:00 am - 11:47 am
DEN
-
BUF
27h 47m
2 stops
$239Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
11:02 am - 10:59 pm
BUF
-
DEN
13h 57m
1 stop
Frontier Logo
7:11 pm - 10:41 am
DEN
-
BUF
13h 30m
2 stops
$240Frontier
Fri, May 1 - Mon, May 4
Frontier Logo
8:49 pm - 11:11 pm
BUF
-
DEN
28h 22m
1 stop
Frontier Logo
11:56 pm - 6:59 pm
DEN
-
BUF
17h 03m
1 stop
$241Frontier
Thu, May 28 - Mon, Jun 1

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
May 28
BUF8:49 pmBuffalo
28h 22m
1 stop
DEN11:11 pmDenver Intl
Jun 2
DEN11:54 pmDenver Intl
12h 00m
1 stop
BUF1:54 pmBuffalo
$221
Frontier
Jun 4
BUF7:44 pmBuffalo
20h 48m
1 stop
DEN2:32 pmDenver Intl
Jun 7
DEN6:00 amDenver Intl
10h 59m
1 stop
BUF6:59 pmBuffalo
$223
Frontier
Apr 24
BUF12:18 pmBuffalo
12h 16m
1 stop
DEN10:34 pmDenver Intl
Apr 29
DEN11:59 pmDenver Intl
10h 13m
1 stop
BUF12:12 pmBuffalo
$225

Southwest flights from Buffalo to Denver

Our best Southwest deals on Buffalo to Denver flight tickets
Southwest
Apr 28
BUF8:20 amBuffalo
7h 15m
2 stops
DEN1:35 pmDenver Intl
May 4
DEN7:35 amDenver Intl
10h 10m
2 stops
BUF7:45 pmBuffalo
$563
Southwest
Apr 27
BUF6:00 amBuffalo
8h 00m
2 stops
DEN12:00 pmDenver Intl
Apr 30
DEN7:35 amDenver Intl
7h 05m
2 stops
BUF4:40 pmBuffalo
$595

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 15, 2026.
Use the filters below to find and compare flights from Buffalo to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 5/28

8:49 pm-11:11 pm

1 stop28h 22m

Denver Intl

Tue 6/2

11:54 pm-1:54 pm

1 stop12h 00m

$221

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 6/4

7:44 pm-2:32 pm

1 stop20h 48m

Denver Intl

Sun 6/7

6:00 am-6:59 pm

1 stop10h 59m

$223

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 4/25

11:44 am-10:59 pm

1 stop13h 15m

Denver Intl

Sat 5/2

11:59 pm-11:37 am

1 stop9h 38m

$225
Quickest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 4/25

1:11 pm-10:29 pm

1 stop11h 18m

Denver Intl

Sat 5/2

11:59 pm-11:37 am

1 stop9h 38m

$226

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 7/8

2:50 pm-10:16 pm

1 stop9h 26m

Denver Intl

Sun 7/12

11:42 pm-1:55 pm

1 stop12h 13m

$230

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 4/25

1:11 pm-10:29 pm

1 stop11h 18m

Denver Intl

Wed 4/29

11:59 pm-12:12 pm

1 stop10h 13m

$233

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 4/28

1:56 pm-10:29 pm

1 stop10h 33m

Denver Intl

Mon 5/4

7:11 pm-10:41 am

2 stops13h 30m

$238

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 5/1

12:18 pm-10:29 pm

1 stop12h 11m

Denver Intl

Sun 5/3

6:00 am-11:47 am

2 stops27h 47m

$239

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 5/1

11:02 am-10:59 pm

1 stop13h 57m

Denver Intl

Mon 5/4

7:11 pm-10:41 am

2 stops13h 30m

$240

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 5/28

8:49 pm-11:11 pm

1 stop28h 22m

Denver Intl

Mon 6/1

11:56 pm-6:59 pm

1 stop17h 03m

$241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Buffalo to Denver

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

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Buffalo is in August. Flight prices, which tend to average around $267, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until October to fly from Buffalo, when ticket prices are also cheap, with an average price of $268.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $291. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $489.

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

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $219. Flights in the evening are often more expensive with an average ticket price of $466.

What is the cheapest Buffalo to Denver Intl flight route?

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

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

You are more likely to see cheaper flights to Denver from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Buffalo for as low as $242 on momondo.

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

There are 4 cabin classes available to choose from on Buffalo to Denver Intl 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 Buffalo to Denver flights?

You could potentially save up to 38% on your flight if you consider stops on a Buffalo to Denver flight.

How have Buffalo to Denver flight prices changed over time?

As of April 2026, prices for Buffalo to Denver flights are approximately 69% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Denver

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

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

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

Best Price Found

$218

Fastest flight time

3h 25m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Buffalo in the past 72 hours is $218. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $421.
The fastest flight from Buffalo to Denver takes 3h 25m
Direct flights go from Buffalo to Denver every day.
There is 1 airport in Denver. From Buffalo there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Buffalo to Denver

  • How far is Buffalo to Denver Intl by plane?

    The straight-line distance from Buffalo to Denver Intl is 1365.6 mi. Typically, this will take 3h 25m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Buffalo to Denver?

Best airlines flying from Buffalo to Denver

Compare and see reviews for airlines that fly from Buffalo to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $88Free CancellationRating
5.6
2,993 reviews
Search Frontier flights
American AirlinesPriceFrom $190Free CancellationRating
7.1
11,578 reviews
Search American Airlines flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
9,582 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,406 reviews
Search Delta flights
SouthwestPriceFrom $252Free CancellationRating
8.0
4,328 reviews
Search Southwest flights

  • United Airlines Flights From Buffalo to Denver

    Across 6 United Airlines flights from Buffalo to Denver this week, the average price was $379, with the best United Airlines deals starting from $202 round-trip. 9,582 users have rated United Airlines on momondo, with an average score of 7.4/10.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Boulder
Longmont
Greeley
Keystone
Cripple Creek
Lakewood
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
Littleton

Why use momondo?

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

It is quick and easy to find Buffalo to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

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

Yes. momondo allows you to filter the results for Buffalo to Denver flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Buffalo and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Buffalo to Denver 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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