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Cheap flights from Buffalo to Denver from $81

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 5/5. 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

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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
8:57 pm - 10:54 pm
BUF
-
DEN
27h 57m
1 stop
Frontier Logo
11:42 pm - 10:40 am
DEN
-
BUF
8h 58m
1 stop
$281Frontier
Thu, Jun 11 - Mon, Jun 15
Frontier Logo
12:41 pm - 9:05 am
BUF
-
DEN
22h 24m
1 stop
Frontier Logo
11:59 pm - 10:41 am
DEN
-
BUF
32h 42m
2 stops
$282Frontier
Sat, May 9 - Sun, May 17
Multiple Airlines Logo
11:44 am - 8:21 am
BUF
-
DEN
22h 37m
1 stop
Multiple Airlines Logo
11:28 pm - 11:02 pm
DEN
-
BUF
21h 34m
1 stop
$288Multiple Airlines
Sat, Apr 25 - Sat, May 2
JetBlue Logo
1:31 pm - 10:18 pm
BUF
-
DEN
10h 47m
1 stop
JetBlue Logo
11:15 pm - 9:10 am
DEN
-
BUF
7h 55m
1 stop
$289JetBlue
Thu, Jul 2 - Fri, Jul 10
Frontier Logo
2:50 pm - 10:16 pm
BUF
-
DEN
9h 26m
1 stop
Frontier Logo
11:42 pm - 10:40 am
DEN
-
BUF
8h 58m
1 stop
$290Frontier
Mon, Aug 10 - Mon, Aug 17
Delta Logo
12:50 pm - 5:21 pm
BUF
-
DEN
6h 31m
1 stop
Delta Logo
12:55 am - 11:01 am
DEN
-
BUF
8h 06m
1 stop
$293Delta
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
1:31 pm - 10:18 pm
BUF
-
DEN
10h 47m
1 stop
Multiple Airlines Logo
9:15 am - 7:07 pm
DEN
-
BUF
7h 52m
1 stop
$295Multiple Airlines
Fri, Jul 3 - Tue, Jul 7
Frontier Logo
8:57 pm - 7:19 pm
BUF
-
DEN
24h 22m
2 stops
Frontier Logo
11:42 pm - 11:34 am
DEN
-
BUF
9h 52m
1 stop
$296Frontier
Tue, Jun 9 - Fri, Jun 12
Multiple Airlines Logo
8:08 pm - 9:44 pm
BUF
-
DEN
27h 36m
1 stop
Multiple Airlines Logo
11:59 pm - 1:32 pm
DEN
-
BUF
11h 33m
2 stops
$299Multiple Airlines
Sun, May 3 - Tue, May 5
Multiple Airlines Logo
1:31 pm - 10:18 pm
BUF
-
DEN
10h 47m
1 stop
Multiple Airlines Logo
9:15 am - 7:07 pm
DEN
-
BUF
7h 52m
1 stop
$300Multiple Airlines
Fri, Jul 3 - Tue, Jul 7

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Jun 11
BUF8:57 pmBuffalo
27h 57m
1 stop
DEN10:54 pmDenver Intl
Jun 15
DEN11:42 pmDenver Intl
8h 58m
1 stop
BUF10:40 amBuffalo
$281
Frontier
May 9
BUF12:41 pmBuffalo
22h 24m
1 stop
DEN9:05 amDenver Intl
May 17
DEN11:59 pmDenver Intl
32h 42m
2 stops
BUF10:41 amBuffalo
$282
Frontier
Apr 4
BUF1:09 pmBuffalo
11h 55m
1 stop
DEN11:04 pmDenver Intl
Apr 6
DEN11:59 pmDenver Intl
10h 18m
1 stop
BUF12:17 pmBuffalo
$285

JetBlue flights from Buffalo to Denver

Our best JetBlue deals on Buffalo to Denver flight tickets
JetBlue
Jul 2
BUF1:31 pmBuffalo
10h 47m
1 stop
DEN10:18 pmDenver Intl
Jul 10
DEN11:15 pmDenver Intl
7h 55m
1 stop
BUF9:10 amBuffalo
$289
JetBlue
Jul 1
BUF10:00 amBuffalo
8h 57m
1 stop
DEN4:57 pmDenver Intl
Jul 11
DEN11:15 pmDenver Intl
7h 55m
1 stop
BUF9:10 amBuffalo
$325
JetBlue
Aug 10
BUF10:00 amBuffalo
8h 57m
1 stop
DEN4:57 pmDenver Intl
Aug 18
DEN11:15 pmDenver Intl
7h 55m
1 stop
BUF9:10 amBuffalo
$326

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 March 30, 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 6/11

8:57 pm-10:54 pm

1 stop27h 57m

Denver Intl

Mon 6/15

11:42 pm-10:40 am

1 stop8h 58m

$281

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 5/9

12:41 pm-9:05 am

1 stop22h 24m

Denver Intl

Sun 5/17

11:59 pm-10:41 am

2 stops32h 42m

$282

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 4/25

11:44 am-8:21 am

1 stop22h 37m

Denver Intl

Sat 5/2

11:28 pm-11:02 pm

1 stop21h 34m

$288

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 7/2

1:31 pm-10:18 pm

1 stop10h 47m

Denver Intl

Fri 7/10

11:15 pm-9:10 am

1 stop7h 55m

$289

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 8/10

2:50 pm-10:16 pm

1 stop9h 26m

Denver Intl

Mon 8/17

11:42 pm-10:40 am

1 stop8h 58m

$290
Quickest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 4/22

12:50 pm-5:21 pm

1 stop6h 31m

Denver Intl

Tue 4/28

12:55 am-11:01 am

1 stop8h 06m

$293

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 7/3

1:31 pm-10:18 pm

1 stop10h 47m

Denver Intl

Tue 7/7

9:15 am-7:07 pm

1 stop7h 52m

$295

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 6/9

8:57 pm-7:19 pm

2 stops24h 22m

Denver Intl

Fri 6/12

11:42 pm-11:34 am

1 stop9h 52m

$296

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 5/3

8:08 pm-9:44 pm

1 stop27h 36m

Denver Intl

Tue 5/5

11:59 pm-1:32 pm

2 stops11h 33m

$299

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 7/3

1:31 pm-10:18 pm

1 stop10h 47m

Denver Intl

Tue 7/7

9:15 am-7:07 pm

1 stop7h 52m

$300

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 $268, 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 $474.

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 $221. 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 $349 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 $262 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?

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

How have Buffalo to Denver flight prices changed over time?

As of March 2026, prices for Buffalo to Denver flights are approximately 1% 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

$225

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 $225. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $375.
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

  • 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
5.7
3,010 reviews
Search Frontier flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,358 reviews
Search Delta flights
American AirlinesPriceFrom $190Free CancellationRating
7.1
11,530 reviews
Search American Airlines flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,329 reviews
Search Southwest flights

  • United Airlines Flights From Buffalo to Denver

    Across 5 United Airlines flights from Buffalo to Denver this week, the average price was $364, with the best United Airlines deals starting from $202 round-trip. 9,514 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
Longmont
Boulder
Greeley
Keystone
Cripple Creek
Lakewood
Westminster
Thornton
Frisco
Centennial
Grand Lake
Winter Park
Englewood
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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