Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Buffalo from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Buffalo departing on 3/4. 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 Denver to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:59 pm - 11:34 am
DEN
-
BUF
9h 35m1 stop
Frontier Logo
12:00 pm - 9:35 pm
BUF
-
DEN
11h 35m1 stop
$155Frontier
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
12:59 am - 12:54 pm
DEN
-
BUF
9h 55m1 stop
Frontier Logo
1:48 pm - 9:41 pm
BUF
-
DEN
9h 53m1 stop
$182Frontier
Wed, Feb 18 - Mon, Feb 23
Frontier Logo
6:32 pm - 7:04 pm
DEN
-
BUF
22h 32m1 stop
Frontier Logo
12:29 pm - 12:28 pm
BUF
-
DEN
25h 59m1 stop
$183Frontier
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
5:55 pm - 11:10 pm
DEN
-
BUF
3h 15mnonstop
United Airlines Logo
8:17 am - 10:01 am
BUF
-
DEN
3h 44mnonstop
$199United Airlines
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
11:35 am - 11:47 pm
DEN
-
BUF
10h 12m1 stop
Multiple Airlines Logo
1:39 pm - 9:45 pm
BUF
-
DEN
10h 06m1 stop
$206Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
4:00 pm - 11:42 pm
DEN
-
BUF
5h 42m1 stop
United Airlines Logo
8:17 am - 10:01 am
BUF
-
DEN
3h 44mnonstop
$209United Airlines
Wed, Mar 18 - Mon, Mar 23
Frontier Logo
12:59 am - 12:54 pm
DEN
-
BUF
9h 55m1 stop
Frontier Logo
10:47 am - 7:55 am
BUF
-
DEN
23h 08m1 stop
$218Frontier
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
1:30 pm - 8:29 pm
DEN
-
BUF
4h 59m1 stop
United Airlines Logo
9:55 am - 4:37 pm
BUF
-
DEN
8h 42m1 stop
$219United Airlines
Tue, Feb 3 - Sun, Feb 8
American Airlines Logo
11:33 am - 10:40 pm
DEN
-
BUF
9h 07m2 stops
American Airlines Logo
6:53 am - 2:14 pm
BUF
-
DEN
9h 21m1 stop
$224American Airlines
Tue, Feb 3 - Sun, Feb 8
American Airlines Logo
12:52 pm - 11:42 pm
DEN
-
BUF
8h 50m2 stops
American Airlines Logo
6:05 am - 3:21 pm
BUF
-
DEN
11h 16m2 stops
$229American Airlines
Tue, Feb 3 - Sun, Feb 8

American Airlines flights from Denver to Buffalo

Our best American Airlines deals on Denver to Buffalo flight tickets
American Airlines
Feb 3
DEN11:33 amDenver Intl
9h 07m
2 stops
BUF10:40 pmBuffalo
Feb 8
BUF6:53 amBuffalo
9h 21m
1 stop
DEN2:14 pmDenver Intl
$224
Find similar
American Airlines
Feb 3
DEN12:52 pmDenver Intl
8h 50m
2 stops
BUF11:42 pmBuffalo
Feb 8
BUF6:05 amBuffalo
11h 16m
2 stops
DEN3:21 pmDenver Intl
$229
Find similar
American Airlines
Feb 19
DEN7:00 amDenver Intl
8h 18m
1 stop
BUF5:18 pmBuffalo
Feb 23
BUF3:53 pmBuffalo
8h 43m
2 stops
DEN10:36 pmDenver Intl
$243
Find similar

United Airlines flights from Denver to Buffalo

Our best United Airlines deals on Denver to Buffalo flight tickets
United Airlines
Mar 18
DEN5:55 pmDenver Intl
3h 15m
BUF11:10 pmBuffalo
Mar 23
BUF8:17 amBuffalo
3h 44m
DEN10:01 amDenver Intl
$199
Find similar
United Airlines
Mar 18
DEN4:00 pmDenver Intl
5h 42m
1 stop
BUF11:42 pmBuffalo
Mar 23
BUF8:17 amBuffalo
3h 44m
DEN10:01 amDenver Intl
$209
Find similar
United Airlines
Feb 3
DEN1:30 pmDenver Intl
4h 59m
1 stop
BUF8:29 pmBuffalo
Feb 8
BUF9:55 amBuffalo
8h 42m
1 stop
DEN4:37 pmDenver Intl
$219
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Buffalo 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 December 23, 2025.
Use the filters below to find and compare flights from Denver to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/25

11:59 pm-11:34 am

1 stop9h 35m

Buffalo

Sat 2/28

12:00 pm-9:35 pm

1 stop11h 35m

$155

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/18

12:59 am-12:54 pm

1 stop9h 55m

Buffalo

Mon 2/23

1:48 pm-9:41 pm

1 stop9h 53m

$182

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 1/21

6:32 pm-7:04 pm

1 stop22h 32m

Buffalo

Sat 1/24

12:29 pm-12:28 pm

1 stop25h 59m

$183

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 3/18

5:55 pm-11:10 pm

Nonstop3h 15m

Buffalo

Mon 3/23

8:17 am-10:01 am

Nonstop3h 44m

$199

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/22

11:35 am-11:47 pm

1 stop10h 12m

Buffalo

Mon 1/26

1:39 pm-9:45 pm

1 stop10h 06m

$206

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 3/18

4:00 pm-11:42 pm

1 stop5h 42m

Buffalo

Mon 3/23

8:17 am-10:01 am

Nonstop3h 44m

$209

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/25

12:59 am-12:54 pm

1 stop9h 55m

Buffalo

Sun 3/1

10:47 am-7:55 am

1 stop23h 08m

$218

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 2/3

1:30 pm-8:29 pm

1 stop4h 59m

Buffalo

Sun 2/8

9:55 am-4:37 pm

1 stop8h 42m

$219

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 2/3

11:33 am-10:40 pm

2 stops9h 07m

Buffalo

Sun 2/8

6:53 am-2:14 pm

1 stop9h 21m

$224

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 2/3

12:52 pm-11:42 pm

2 stops8h 50m

Buffalo

Sun 2/8

6:05 am-3:21 pm

2 stops11h 16m

$229

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Buffalo from

How to get the cheapest flight ticket from Denver to Buffalo

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 cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of October, then book flights to Buffalo from Denver during September instead. Flights to Buffalo in September, while not as cheap as those in October, still average around $244.

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

Our data shows that Friday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $235. Flights from Denver to Buffalo on a Saturday will generally be more expensive and average around $447. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the morning is the cheapest time of day to fly from Denver to Buffalo when you can find flight prices for as low as $236. Flying to Buffalo in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $545 per ticket.

What is the cheapest Denver Intl to Buffalo flight route?

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

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

You are more likely to see cheaper flights to Buffalo from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Denver for as low as $225 on momondo.

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

There are 2 cabin classes available to choose from on Denver Intl to Buffalo 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 Denver to Buffalo flights?

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

How have Denver to Buffalo flight prices changed over time?

As of December 2025, prices for Denver to Buffalo flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Buffalo

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

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

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

Best Price Found

$279

Fastest flight time

3h 00m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Buffalo

1 airport
The best flight deal from Denver to Buffalo found on momondo in the last 72 hours is $279
The fastest flight from Denver to Buffalo takes 3h 00m
Direct flights go from Denver to Buffalo on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Buffalo. From Denver there are direct flights to Buffalo (BUF).
Search flight deals

  • How far is Denver Intl to Buffalo by plane?

    The straight-line distance from Denver Intl to Buffalo is 1365.6 mi. In terms of flight time, this usually takes a little over 3h 00m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Buffalo Airport.

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

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Denver to Buffalo

Compare and see reviews for airlines that fly from Denver to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $118Free CancellationRating
5.8
3,075 reviews
Search Frontier flights
JetBluePriceFrom $129Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,014 reviews
Search Delta flights
SouthwestPriceFrom $273Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

  • Southwest Flights From Denver to Buffalo

    Southwest is one of the most popular airlines flying from Denver to Buffalo, operating 4 flights/week on average for this route. A good Southwest flight deal for Denver to Buffalo starts from $273 round-trip, up to an average price of $456. Our users have rated Southwest at 8.0/10.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Orchard Park
Lockport
West Seneca
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

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

Finding the right flight to Buffalo from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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

All flight searches from Denver to Buffalo on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from Denver.

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

If you are simply researching potential flights to Buffalo, momondo offers a useful price alert feature which will track prices for flights to Buffalo from Denver and alert you when they change.

An easier way to manage your Buffalo 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 1/22
Thu 1/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States