Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to Denver from $87

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 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buffalo to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:35 am - 10:05 pm
BUF
-
DEN
12h 30m
1 stop
Frontier Logo
11:42 pm - 1:55 pm
DEN
-
BUF
12h 13m
1 stop
$230Frontier
Thu, Aug 13 - Tue, Aug 18
Frontier Logo
11:36 am - 10:24 pm
BUF
-
DEN
12h 48m
1 stop
Frontier Logo
6:30 am - 1:54 pm
DEN
-
BUF
29h 24m
2 stops
$231Frontier
Tue, Jun 2 - Thu, Jun 4
Frontier Logo
7:52 pm - 8:24 am
BUF
-
DEN
14h 32m
1 stop
Frontier Logo
6:03 am - 8:04 pm
DEN
-
BUF
12h 01m
1 stop
$234Frontier
Wed, May 27 - Thu, Jun 4
Frontier Logo
11:50 am - 10:05 pm
BUF
-
DEN
12h 15m
1 stop
Frontier Logo
11:46 pm - 1:53 pm
DEN
-
BUF
12h 07m
1 stop
$235Frontier
Tue, Aug 4 - Thu, Aug 13
Frontier Logo
11:50 am - 12:30 am
BUF
-
DEN
14h 40m
2 stops
Frontier Logo
6:30 am - 10:40 am
DEN
-
BUF
26h 10m
1 stop
$236Frontier
Tue, Aug 11 - Wed, Aug 19
Frontier Logo
12:41 pm - 10:24 pm
BUF
-
DEN
11h 43m
1 stop
Frontier Logo
11:54 pm - 10:41 am
DEN
-
BUF
8h 47m
1 stop
$238Frontier
Sat, May 30 - Sat, May 30
Frontier Logo
11:50 am - 12:30 am
BUF
-
DEN
14h 40m
2 stops
Frontier Logo
6:30 am - 10:39 am
DEN
-
BUF
26h 09m
1 stop
$239Frontier
Tue, Aug 11 - Sat, Aug 15
Frontier Logo
7:57 pm - 11:00 pm
BUF
-
DEN
29h 03m
1 stop
Frontier Logo
11:46 pm - 1:53 pm
DEN
-
BUF
12h 07m
1 stop
$240Frontier
Wed, Jul 8 - Sun, Jul 12
Frontier Logo
2:50 pm - 8:58 am
BUF
-
DEN
20h 08m
1 stop
Frontier Logo
10:11 am - 10:40 am
DEN
-
BUF
22h 29m
2 stops
$241Frontier
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
2:50 pm - 8:14 am
BUF
-
DEN
19h 24m
2 stops
Frontier Logo
11:42 pm - 1:55 pm
DEN
-
BUF
12h 13m
1 stop
$242Frontier
Wed, Aug 12 - Tue, Aug 18

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Jul 28
BUF11:50 amBuffalo
12h 15m
1 stop
DEN10:05 pmDenver Intl
Jul 31
DEN6:00 amDenver Intl
11h 06m
1 stop
BUF7:06 pmBuffalo
$230
Frontier
Jul 28
BUF11:50 amBuffalo
12h 15m
1 stop
DEN10:05 pmDenver Intl
Aug 6
DEN8:52 pmDenver Intl
36h 41m
2 stops
BUF11:33 amBuffalo
$233
Frontier
May 27
BUF7:52 pmBuffalo
14h 32m
1 stop
DEN8:24 amDenver Intl
Jun 4
DEN6:03 amDenver Intl
12h 01m
1 stop
BUF8:04 pmBuffalo
$234

United Airlines flights from Buffalo to Denver

Our best United Airlines deals on Buffalo to Denver flight tickets
United Airlines
May 26
BUF6:00 amBuffalo
8h 18m
1 stop
DEN12:18 pmDenver Intl
Jun 1
DEN5:40 pmDenver Intl
3h 18m
BUF10:58 pmBuffalo
$501
United Airlines
May 23
BUF9:00 amBuffalo
3h 35m
DEN10:35 amDenver Intl
May 25
DEN5:40 pmDenver Intl
3h 18m
BUF10:58 pmBuffalo
$565

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 May 12, 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 8/13

11:35 am-10:05 pm

1 stop12h 30m

Denver Intl

Tue 8/18

11:42 pm-1:55 pm

1 stop12h 13m

$230

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 6/2

11:36 am-10:24 pm

1 stop12h 48m

Denver Intl

Thu 6/4

6:30 am-1:54 pm

2 stops29h 24m

$231

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 5/27

7:52 pm-8:24 am

1 stop14h 32m

Denver Intl

Thu 6/4

6:03 am-8:04 pm

1 stop12h 01m

$234

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 8/4

11:50 am-10:05 pm

1 stop12h 15m

Denver Intl

Thu 8/13

11:46 pm-1:53 pm

1 stop12h 07m

$235

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 8/11

11:50 am-12:30 am

2 stops14h 40m

Denver Intl

Wed 8/19

6:30 am-10:40 am

1 stop26h 10m

$236
Quickest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 5/30

12:41 pm-10:24 pm

1 stop11h 43m

Denver Intl

Sat 5/30

11:54 pm-10:41 am

1 stop8h 47m

$238

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 8/11

11:50 am-12:30 am

2 stops14h 40m

Denver Intl

Sat 8/15

6:30 am-10:39 am

1 stop26h 09m

$239

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 7/8

7:57 pm-11:00 pm

1 stop29h 03m

Denver Intl

Sun 7/12

11:46 pm-1:53 pm

1 stop12h 07m

$240

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 8/17

2:50 pm-8:58 am

1 stop20h 08m

Denver Intl

Mon 8/24

10:11 am-10:40 am

2 stops22h 29m

$241

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 8/12

2:50 pm-8:14 am

2 stops19h 24m

Denver Intl

Tue 8/18

11:42 pm-1:55 pm

1 stop12h 13m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $261, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until August to fly from Buffalo, when ticket prices are also cheap, with an average price of $266.

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 $306. 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 $507.

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 $226. 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 from Buffalo 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 $364 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 $248 on momondo.

Can stopping save me money on Buffalo to Denver flights?

You could potentially save up to 26% 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 May 2026, prices for Buffalo to Denver flights are approximately 45% 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

$233

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Buffalo in the past 72 hours is $233. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $465.
The fastest flight from Buffalo to Denver takes 3h 35m
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 35m 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 $98Free CancellationRating
5.6
2,950 reviews
Search Frontier flights
American AirlinesPriceFrom $190Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,446 reviews
Search Delta flights
SouthwestPriceFrom $252Free CancellationRating
8.0
4,295 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 $411, with the best United Airlines deals starting from $210 round-trip. 9,701 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
Lakewood
Westminster
Cripple Creek
Thornton
Frisco
Centennial
Englewood
Winter Park
Grand Lake
Copper Mountain

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.

An easier way to manage your Denver 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/11
Thu 6/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States