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Cheap flights from Buffalo to Denver from C$ 164

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 8/7. 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

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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
11:35 a.m. - 10:16 p.m.
BUF
-
DEN
12h 41m
1 stop
Frontier Logo
11:42 p.m. - 10:40 a.m.
DEN
-
BUF
8h 58m
1 stop
C$ 373Frontier
Tue, 25 Aug - Wed, 26 Aug
Frontier Logo
11:35 a.m. - 10:16 p.m.
BUF
-
DEN
12h 41m
1 stop
Frontier Logo
11:42 p.m. - 10:40 a.m.
DEN
-
BUF
8h 58m
1 stop
C$ 374Frontier
Tue, 25 Aug - Wed, 26 Aug
Frontier Logo
11:35 a.m. - 10:16 p.m.
BUF
-
DEN
12h 41m
1 stop
Frontier Logo
11:42 p.m. - 10:40 a.m.
DEN
-
BUF
8h 58m
1 stop
C$ 376Frontier
Tue, 25 Aug - Wed, 26 Aug
Frontier Logo
7:57 p.m. - 7:33 a.m.
BUF
-
DEN
13h 36m
1 stop
Frontier Logo
6:03 a.m. - 8:44 p.m.
DEN
-
BUF
12h 41m
1 stop
C$ 381Frontier
Wed, 8 Jul - Thu, 16 Jul
Frontier Logo
7:57 p.m. - 8:07 a.m.
BUF
-
DEN
14h 10m
1 stop
Frontier Logo
6:03 a.m. - 8:44 p.m.
DEN
-
BUF
12h 41m
1 stop
C$ 387Frontier
Mon, 6 Jul - Thu, 16 Jul
Frontier Logo
9:29 p.m. - 7:33 a.m.
BUF
-
DEN
12h 04m
1 stop
Frontier Logo
11:59 p.m. - 10:29 a.m.
DEN
-
BUF
8h 30m
1 stop
C$ 391Frontier
Thu, 6 Aug - Mon, 10 Aug
Frontier Logo
11:29 a.m. - 11:57 p.m.
BUF
-
DEN
14h 28m
2 stops
Frontier Logo
11:59 p.m. - 10:29 a.m.
DEN
-
BUF
8h 30m
1 stop
C$ 392Frontier
Tue, 7 Jul - Sat, 11 Jul
Frontier Logo
11:29 a.m. - 10:05 p.m.
BUF
-
DEN
12h 36m
1 stop
Frontier Logo
6:03 a.m. - 8:44 p.m.
DEN
-
BUF
12h 41m
1 stop
C$ 394Frontier
Tue, 7 Jul - Thu, 9 Jul
Frontier Logo
11:29 a.m. - 10:05 p.m.
BUF
-
DEN
12h 36m
1 stop
Frontier Logo
11:46 p.m. - 1:53 p.m.
DEN
-
BUF
12h 07m
1 stop
C$ 402Frontier
Tue, 7 Jul - Sun, 12 Jul
Frontier Logo
7:57 p.m. - 7:33 a.m.
BUF
-
DEN
13h 36m
1 stop
Frontier Logo
11:59 p.m. - 11:33 a.m.
DEN
-
BUF
9h 34m
1 stop
C$ 404Frontier
Wed, 8 Jul - Fri, 17 Jul

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
25 Aug
BUF11:35 a.m.Buffalo
12h 41m
1 stop
DEN10:16 p.m.Denver Intl
26 Aug
DEN11:42 p.m.Denver Intl
8h 58m
1 stop
BUF10:40 a.m.Buffalo
C$ 373
Frontier
25 Aug
BUF11:35 a.m.Buffalo
12h 41m
1 stop
DEN10:16 p.m.Denver Intl
26 Aug
DEN11:42 p.m.Denver Intl
8h 58m
1 stop
BUF10:40 a.m.Buffalo
C$ 374
Frontier
25 Aug
BUF11:35 a.m.Buffalo
12h 41m
1 stop
DEN10:16 p.m.Denver Intl
26 Aug
DEN11:42 p.m.Denver Intl
8h 58m
1 stop
BUF10:40 a.m.Buffalo
C$ 376

United Airlines flights from Buffalo to Denver

Our best United Airlines deals on Buffalo to Denver flight tickets
United Airlines
18 Aug
BUF8:55 a.m.Buffalo
3h 37m
DEN10:32 a.m.Denver Intl
25 Aug
DEN5:25 p.m.Denver Intl
3h 12m
BUF10:37 p.m.Buffalo
C$ 553
United Airlines
10 Oct
BUF8:30 a.m.Buffalo
3h 45m
DEN10:15 a.m.Denver Intl
14 Oct
DEN5:30 p.m.Denver Intl
3h 15m
BUF10:45 p.m.Buffalo
C$ 569
United Airlines
17 Jun
BUF9:00 a.m.Buffalo
3h 35m
DEN10:35 a.m.Denver Intl
20 Jun
DEN5:40 p.m.Denver Intl
3h 18m
BUF10:58 p.m.Buffalo
C$ 731

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 96,600 searches. Data last updated 4 June 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

Tue 25/8

11:35 a.m.-10:16 p.m.

1 stop12h 41m

Denver Intl

Wed 26/8

11:42 p.m.-10:40 a.m.

1 stop8h 58m

C$ 373

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 25/8

11:35 a.m.-10:16 p.m.

1 stop12h 41m

Denver Intl

Wed 26/8

11:42 p.m.-10:40 a.m.

1 stop8h 58m

C$ 374

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 25/8

11:35 a.m.-10:16 p.m.

1 stop12h 41m

Denver Intl

Wed 26/8

11:42 p.m.-10:40 a.m.

1 stop8h 58m

C$ 376

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 8/7

7:57 p.m.-7:33 a.m.

1 stop13h 36m

Denver Intl

Thu 16/7

6:03 a.m.-8:44 p.m.

1 stop12h 41m

C$ 381

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 6/7

7:57 p.m.-8:07 a.m.

1 stop14h 10m

Denver Intl

Thu 16/7

6:03 a.m.-8:44 p.m.

1 stop12h 41m

C$ 387
Quickest round-trip

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 6/8

9:29 p.m.-7:33 a.m.

1 stop12h 04m

Denver Intl

Mon 10/8

11:59 p.m.-10:29 a.m.

1 stop8h 30m

C$ 391

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 7/7

11:29 a.m.-11:57 p.m.

2 stops14h 28m

Denver Intl

Sat 11/7

11:59 p.m.-10:29 a.m.

1 stop8h 30m

C$ 392

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 7/7

11:29 a.m.-10:05 p.m.

1 stop12h 36m

Denver Intl

Thu 9/7

6:03 a.m.-8:44 p.m.

1 stop12h 41m

C$ 394

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 7/7

11:29 a.m.-10:05 p.m.

1 stop12h 36m

Denver Intl

Sun 12/7

11:46 p.m.-1:53 p.m.

1 stop12h 07m

C$ 402

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 8/7

7:57 p.m.-7:33 a.m.

1 stop13h 36m

Denver Intl

Fri 17/7

11:59 p.m.-11:33 a.m.

1 stop9h 34m

C$ 404

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?

In general, October is the cheapest month to fly from Buffalo to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 362. If you aren’t able to travel during the month of October, then book flights to Denver from Buffalo during August instead. Flights to Denver in August, while not as cheap as those in October, still average around C$ 370.

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

The cheapest day to depart from Buffalo to Denver is on a Friday. Travellers who choose to depart for Denver on a Friday will often find tickets for as low as C$ 341. On the other hand, Tuesday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 880.

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

Our most recent data shows that the best time of day to fly to Denver is in the afternoon. Flights from Buffalo to Denver during this time can be as low as C$ 345. Try not to purchase tickets in the morning because they tend to be around C$ 593. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 511 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 C$ 340 on momondo.

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

There are 2 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 28% 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 28% 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

C$ 652

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Denver

1 airport
The best flight deal from Buffalo to Denver found on momondo in the last 72 hours is C$ 652
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?

    A flight from Buffalo to Denver Intl will travel around 2197.7 km. Flights usually cover this in 3h 35m, depending on flying conditions and air traffic around both airports.

  • 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 updated daily.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
United AirlinesPriceFrom C$ 192Free CancellationRating
7.4
9,773 reviews
Search United Airlines flights
FrontierPriceFrom C$ 207Free CancellationRating
5.6
2,914 reviews
Search Frontier flights
SouthwestPriceFrom C$ 370Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to Denver

    Southwest flight deals from Buffalo to Denver start from C$ 370 round-trip. Over the 3 Southwest flights for this route in a normal week, average airfare is usually C$ 642 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Buffalo to Denver

    C$ 192 is the best United Airlines flight deal from Buffalo to Denver found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to C$ 627, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,773 user reviews) flies into Denver from Buffalo 7 times in an average week so prices can vary.

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Keystone
Wheat Ridge
Winter Park
Estes Park
Lakewood
Longmont
Silverthorne
Breckenridge
Boulder
Englewood
Glendale

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Buffalo.

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

Flights from Buffalo to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Denver from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Denver from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

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