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Cheap flights from Denver to Buffalo from $83

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Frontier Logo
11:59 pm - 11:34 am
DEN
-
BUF
9h 35m1 stop
Frontier Logo
12:00 pm - 9:13 pm
BUF
-
DEN
11h 13m1 stop
$128Frontier
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
11:59 pm - 11:34 am
DEN
-
BUF
9h 35m1 stop
Frontier Logo
4:37 pm - 8:19 am
BUF
-
DEN
17h 42m2 stops
$190Frontier
Wed, Feb 25 - Sat, Feb 28
United Airlines Logo
5:44 pm - 11:02 pm
DEN
-
BUF
3h 18mnonstop
United Airlines Logo
8:25 am - 10:09 am
BUF
-
DEN
3h 44mnonstop
$199United Airlines
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
11:59 pm - 11:34 am
DEN
-
BUF
9h 35m1 stop
Multiple Airlines Logo
3:00 pm - 11:00 pm
BUF
-
DEN
10h 00m1 stop
$201Multiple Airlines
Wed, Feb 11 - Wed, Feb 18
Frontier Logo
6:32 pm - 6:36 pm
DEN
-
BUF
22h 04m1 stop
Frontier Logo
7:31 pm - 9:35 am
BUF
-
DEN
16h 04m1 stop
$204Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
12:14 am - 6:19 pm
DEN
-
BUF
16h 05m1 stop
Frontier Logo
1:39 pm - 12:19 pm
BUF
-
DEN
24h 40m1 stop
$208Frontier
Wed, Jan 14 - Thu, Jan 22
United Airlines Logo
7:46 am - 5:40 pm
DEN
-
BUF
7h 54m1 stop
United Airlines Logo
8:25 am - 10:09 am
BUF
-
DEN
3h 44mnonstop
$209United Airlines
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
11:35 am - 11:47 pm
DEN
-
BUF
10h 12m1 stop
Multiple Airlines Logo
1:15 pm - 9:38 pm
BUF
-
DEN
10h 23m1 stop
$212Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
12:14 am - 6:19 pm
DEN
-
BUF
16h 05m1 stop
Frontier Logo
10:11 am - 12:59 am
BUF
-
DEN
16h 48m1 stop
$213Frontier
Wed, Jan 14 - Sun, Jan 18

United Airlines flights from Denver to Buffalo

Our best United Airlines deals on Denver to Buffalo flight tickets
United Airlines
Feb 11
DEN5:44 pmDenver Intl
3h 18m
BUF11:02 pmBuffalo
Feb 18
BUF8:25 amBuffalo
3h 44m
DEN10:09 amDenver Intl
$199
Find similar
United Airlines
Feb 11
DEN7:46 amDenver Intl
7h 54m
1 stop
BUF5:40 pmBuffalo
Feb 18
BUF8:25 amBuffalo
3h 44m
DEN10:09 amDenver Intl
$209
Find similar
United Airlines
Jan 14
DEN7:50 amDenver Intl
6h 54m
1 stop
BUF4:44 pmBuffalo
Jan 21
BUF1:59 pmBuffalo
8h 14m
1 stop
DEN8:13 pmDenver Intl
$219
Find similar

American Airlines flights from Denver to Buffalo

Our best American Airlines deals on Denver to Buffalo flight tickets
American Airlines
Feb 3
DEN9:01 amDenver Intl
6h 46m
1 stop
BUF5:47 pmBuffalo
Feb 8
BUF6:00 amBuffalo
11h 16m
2 stops
DEN3:16 pmDenver Intl
$224
Find similar
American Airlines
Feb 3
DEN12:28 pmDenver Intl
9h 13m
2 stops
BUF11:41 pmBuffalo
Feb 8
BUF6:05 amBuffalo
11h 11m
2 stops
DEN3:16 pmDenver Intl
$229
Find similar
American Airlines
Jan 19
DEN6:00 amDenver Intl
7h 34m
1 stop
BUF3:34 pmBuffalo
Jan 21
BUF5:16 pmBuffalo
8h 00m
1 stop
DEN11:16 pmDenver Intl
$238
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 18, 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-9:13 pm

1 stop11h 13m

$128

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 2/25

11:59 pm-11:34 am

1 stop9h 35m

Buffalo

Sat 2/28

4:37 pm-8:19 am

2 stops17h 42m

$190

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/11

5:44 pm-11:02 pm

Nonstop3h 18m

Buffalo

Wed 2/18

8:25 am-10:09 am

Nonstop3h 44m

$199

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/11

11:59 pm-11:34 am

1 stop9h 35m

Buffalo

Wed 2/18

3:00 pm-11:00 pm

1 stop10h 00m

$201

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/22

6:32 pm-6:36 pm

1 stop22h 04m

Buffalo

Mon 1/26

7:31 pm-9:35 am

1 stop16h 04m

$204

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 1/14

12:14 am-6:19 pm

1 stop16h 05m

Buffalo

Thu 1/22

1:39 pm-12:19 pm

1 stop24h 40m

$208

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/11

7:46 am-5:40 pm

1 stop7h 54m

Buffalo

Wed 2/18

8:25 am-10:09 am

Nonstop3h 44m

$209

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 1/9

11:35 am-11:47 pm

1 stop10h 12m

Buffalo

Mon 1/12

1:15 pm-9:38 pm

1 stop10h 23m

$212

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 1/14

12:14 am-6:19 pm

1 stop16h 05m

Buffalo

Sun 1/18

10:11 am-12:59 am

1 stop16h 48m

$213

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 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 $234. 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 $332 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 10% 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

$428

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Denver in the past 72 hours is $428. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $326.
The fastest flight from Denver to Buffalo takes 3h 00m
Direct flights go from Denver to Buffalo every day.
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
3,081 reviews
Search Frontier flights
JetBluePriceFrom $129Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $274Free CancellationRating
7.9
4,249 reviews
Search Southwest flights

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.
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