Cheap flights from Buffalo to Denver from $95

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 8/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:02 pm - 7:33 am
BUF
-
DEN
11h 31m
1 stop
Frontier Logo
6:00 am - 9:07 pm
DEN
-
BUF
13h 07m
1 stop
$274Frontier
Sat, Jul 18 - Sat, Jul 25
Frontier Logo
11:29 am - 10:05 pm
BUF
-
DEN
12h 36m
1 stop
Frontier Logo
11:59 pm - 9:23 am
DEN
-
BUF
7h 24m
1 stop
$277Frontier
Sun, Aug 16 - Mon, Aug 24
Frontier Logo
9:29 pm - 7:33 am
BUF
-
DEN
12h 04m
1 stop
Frontier Logo
11:59 pm - 10:29 am
DEN
-
BUF
8h 30m
1 stop
$280Frontier
Sun, Aug 2 - Wed, Aug 19
Multiple Airlines Logo
3:52 pm - 10:59 pm
BUF
-
DEN
9h 07m
1 stop
Multiple Airlines Logo
11:59 pm - 10:29 am
DEN
-
BUF
8h 30m
1 stop
$281Multiple Airlines
Wed, Aug 19 - Sun, Aug 23
Frontier Logo
7:52 pm - 2:19 pm
BUF
-
DEN
20h 27m
1 stop
Frontier Logo
6:03 am - 8:44 pm
DEN
-
BUF
12h 41m
1 stop
$282Frontier
Tue, Jul 14 - Thu, Jul 16
Frontier Logo
7:57 pm - 7:33 am
BUF
-
DEN
13h 36m
1 stop
Frontier Logo
6:03 am - 8:14 pm
DEN
-
BUF
12h 11m
1 stop
$283Frontier
Wed, Jul 8 - Tue, Jul 14
Frontier Logo
7:57 pm - 7:33 am
BUF
-
DEN
13h 36m
1 stop
Frontier Logo
11:59 pm - 10:29 am
DEN
-
BUF
8h 30m
1 stop
$284Frontier
Wed, Jul 22 - Mon, Jul 27
JetBlue Logo
4:01 pm - 10:42 pm
BUF
-
DEN
8h 41m
1 stop
JetBlue Logo
11:37 pm - 9:35 am
DEN
-
BUF
7h 58m
1 stop
$285JetBlue
Sat, Jul 25 - Mon, Jul 27
Frontier Logo
12:28 pm - 10:28 pm
BUF
-
DEN
12h 00m
1 stop
Frontier Logo
11:59 pm - 11:33 am
DEN
-
BUF
9h 34m
1 stop
$286Frontier
Sat, Jul 25 - Fri, Jul 31
Frontier Logo
2:48 pm - 9:03 am
BUF
-
DEN
20h 15m
1 stop
Frontier Logo
11:59 pm - 10:29 am
DEN
-
BUF
8h 30m
1 stop
$287Frontier
Fri, Jul 31 - Mon, Aug 3

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Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Jul 18
BUF10:02 pmBuffalo
11h 31m
1 stop
DEN7:33 amDenver Intl
Jul 25
DEN6:00 amDenver Intl
13h 07m
1 stop
BUF9:07 pmBuffalo
$274
Frontier
Aug 16
BUF11:29 amBuffalo
12h 36m
1 stop
DEN10:05 pmDenver Intl
Aug 24
DEN11:59 pmDenver Intl
7h 24m
1 stop
BUF9:23 amBuffalo
$277
Frontier
Aug 2
BUF9:29 pmBuffalo
12h 04m
1 stop
DEN7:33 amDenver Intl
Aug 19
DEN11:59 pmDenver Intl
8h 30m
1 stop
BUF10:29 amBuffalo
$280

JetBlue flights from Buffalo to Denver

Our best JetBlue deals on Buffalo to Denver flight tickets
JetBlue
Jul 25
BUF4:01 pmBuffalo
8h 41m
1 stop
DEN10:42 pmDenver Intl
Jul 27
DEN11:37 pmDenver Intl
7h 58m
1 stop
BUF9:35 amBuffalo
$285
JetBlue
Jul 8
BUF6:35 amBuffalo
8h 36m
1 stop
DEN1:11 pmDenver Intl
Jul 12
DEN11:37 pmDenver Intl
8h 09m
1 stop
BUF9:46 amBuffalo
$315

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 June 23, 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

Sat 7/18

10:02 pm-7:33 am

1 stop11h 31m

Denver Intl

Sat 7/25

6:00 am-9:07 pm

1 stop13h 07m

$274

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 8/16

11:29 am-10:05 pm

1 stop12h 36m

Denver Intl

Mon 8/24

11:59 pm-9:23 am

1 stop7h 24m

$277

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 8/2

9:29 pm-7:33 am

1 stop12h 04m

Denver Intl

Wed 8/19

11:59 pm-10:29 am

1 stop8h 30m

$280

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 8/19

3:52 pm-10:59 pm

1 stop9h 07m

Denver Intl

Sun 8/23

11:59 pm-10:29 am

1 stop8h 30m

$281

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 7/14

7:52 pm-2:19 pm

1 stop20h 27m

Denver Intl

Thu 7/16

6:03 am-8:44 pm

1 stop12h 41m

$282

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 7/8

7:57 pm-7:33 am

1 stop13h 36m

Denver Intl

Tue 7/14

6:03 am-8:14 pm

1 stop12h 11m

$283

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 7/22

7:57 pm-7:33 am

1 stop13h 36m

Denver Intl

Mon 7/27

11:59 pm-10:29 am

1 stop8h 30m

$284
Quickest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 7/25

4:01 pm-10:42 pm

1 stop8h 41m

Denver Intl

Mon 7/27

11:37 pm-9:35 am

1 stop7h 58m

$285

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 7/25

12:28 pm-10:28 pm

1 stop12h 00m

Denver Intl

Fri 7/31

11:59 pm-11:33 am

1 stop9h 34m

$286

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 7/31

2:48 pm-9:03 am

1 stop20h 15m

Denver Intl

Mon 8/3

11:59 pm-10:29 am

1 stop8h 30m

$287

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 October. Flight prices, which tend to average around $257, 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 $278.

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 $346. 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 $516.

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 $225. Flights in the morning are often more expensive with an average ticket price of $473.

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 $375 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 $280 on momondo.

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

There are 4 cabin classes available to choose from on Buffalo to Denver 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 12% 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 June 2026, prices for Buffalo to Denver flights are approximately 38% 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

$244

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 $244. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $457.
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).

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 $102Free CancellationRating
5.6
2,870 reviews
Search Frontier flights
American AirlinesPriceFrom $176Free CancellationRating
7.1
11,746 reviews
Search American Airlines flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.8
8,424 reviews
Search Delta flights
SouthwestPriceFrom $257Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
  • Southwest Flights From Buffalo to Denver

    Across 7 Southwest flights from Buffalo to Denver this week, the average price was $457, with the best Southwest deals starting from $257 round-trip. 4,242 users have rated Southwest on momondo, with an average score of 7.9/10.

  • United Airlines Flights From Buffalo to Denver

    United Airlines (7.4/10 from 9,875 reviews) operates around 7 flights from Buffalo to Denver in any given week. The average United Airlines airfare for this route is around $436, with deals from around $217 rare but found on momondo. Referenced prices are for round-trip Buffalo to Denver flight searches in the last 72 hours.

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
Longmont
Boulder
Manitou Springs
Westminster
Greeley
Lakewood
Keystone
Thornton
Cripple Creek
Englewood
Frisco
Centennial
Winter Park
Littleton
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.

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1 adult
Thu 7/23
Thu 7/30

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