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Cheap flights from Denver to Buffalo from $90

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 12/10. 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
12:14 am - 6:19 pmDEN-BUF
16h 05m1 stop
Frontier Logo
8:58 pm - 8:20 amBUF-DEN
13h 22m1 stop
$201Frontier
Find Deal
Wed, Jan 14 - Sun, Jan 18
Frontier Logo
11:00 pm - 4:00 pmDEN-BUF
15h 00m1 stop
Frontier Logo
12:05 pm - 9:02 amBUF-DEN
22h 57m1 stop
$203Frontier
Find Deal
Wed, Dec 10 - Sun, Dec 14
Frontier Logo
11:00 pm - 4:00 pmDEN-BUF
15h 00m1 stop
Frontier Logo
12:37 pm - 11:04 pmBUF-DEN
12h 27m1 stop
$207Frontier
Find Deal
Wed, Dec 10 - Fri, Dec 12
Frontier Logo
6:32 pm - 10:07 amDEN-BUF
13h 35m1 stop
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
$217Frontier
Find Deal
Sat, Feb 7 - Sun, Feb 8
Frontier Logo
6:32 pm - 11:34 amDEN-BUF
15h 02m1 stop
Frontier Logo
7:31 pm - 2:28 pmBUF-DEN
20h 57m2 stops
$218Frontier
Find Deal
Fri, Feb 6 - Mon, Feb 9
Delta Logo
11:25 am - 10:52 pmDEN-BUF
9h 27m1 stop
Delta Logo
12:13 pm - 7:28 pmBUF-DEN
9h 15m1 stop
$219Delta
Find Deal
Thu, Jan 8 - Fri, Jan 9
Frontier Logo
11:59 pm - 11:51 amDEN-BUF
9h 52m1 stop
Frontier Logo
3:18 pm - 11:04 pmBUF-DEN
9h 46m1 stop
$220Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
3:06 pm - 6:36 pmDEN-BUF
25h 30m2 stops
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
$222Frontier
Find Deal
Thu, Feb 5 - Mon, Feb 9
Frontier Logo
9:34 am - 2:23 pmDEN-BUF
26h 49m1 stop
Frontier Logo
3:18 pm - 11:04 pmBUF-DEN
9h 46m1 stop
$224Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 8
Frontier Logo
12:59 am - 10:45 amDEN-BUF
7h 46m1 stop
Frontier Logo
12:37 pm - 11:04 pmBUF-DEN
12h 27m1 stop
$228Frontier
Find Deal
Sun, Dec 7 - Fri, Dec 12

Delta flights from Denver to Buffalo

Our best Delta deals on Denver to Buffalo flight tickets
Delta
Jan 8
DEN7:05 amDenver Intl
8h 34m
1 stop
BUF5:39 pmBuffalo
Jan 9
BUF3:38 pmBuffalo
9h 08m
1 stop
DEN10:46 pmDenver Intl
$219
Find similar
Delta
Dec 10
DEN1:16 pmDenver Intl
8h 43m
1 stop
BUF11:59 pmBuffalo
Jan 6
BUF3:38 pmBuffalo
9h 08m
1 stop
DEN10:46 pmDenver Intl
$238
Find similar
Delta
Dec 8
DEN7:10 amDenver Intl
6h 05m
1 stop
BUF3:15 pmBuffalo
Dec 10
BUF6:00 amBuffalo
8h 11m
1 stop
DEN12:11 pmDenver Intl
$257
Find similar

Southwest flights from Denver to Buffalo

Our best Southwest deals on Denver to Buffalo flight tickets
Southwest
Dec 13
DEN5:45 amDenver Intl
5h 10m
1 stop
BUF12:55 pmBuffalo
Dec 20
BUF8:20 pmBuffalo
3h 40m
DEN10:00 pmDenver Intl
$359
Find similar
Southwest
Jan 10
DEN5:05 pmDenver Intl
3h 00m
BUF10:05 pmBuffalo
Jan 13
BUF12:10 pmBuffalo
9h 15m
1 stop
DEN7:25 pmDenver Intl
$362
Find similar
Southwest
Jan 15
DEN4:35 pmDenver Intl
3h 00m
BUF9:35 pmBuffalo
Jan 18
BUF6:20 amBuffalo
5h 40m
1 stop
DEN10:00 amDenver Intl
$366
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 November 25, 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 1/14

12:14 am-6:19 pm

1 stop16h 05m

Buffalo

Sun 1/18

8:58 pm-8:20 am

1 stop13h 22m

$201

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 12/10

11:00 pm-4:00 pm

1 stop15h 00m

Buffalo

Sun 12/14

12:05 pm-9:02 am

1 stop22h 57m

$203

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 12/10

11:00 pm-4:00 pm

1 stop15h 00m

Buffalo

Fri 12/12

12:37 pm-11:04 pm

1 stop12h 27m

$207

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 2/7

6:32 pm-10:07 am

1 stop13h 35m

Buffalo

Sun 2/8

1:39 pm-9:45 pm

1 stop10h 06m

$217

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 2/6

6:32 pm-11:34 am

1 stop15h 02m

Buffalo

Mon 2/9

7:31 pm-2:28 pm

2 stops20h 57m

$218

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/8

11:25 am-10:52 pm

1 stop9h 27m

Buffalo

Fri 1/9

12:13 pm-7:28 pm

1 stop9h 15m

$219

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 12/4

11:59 pm-11:51 am

1 stop9h 52m

Buffalo

Mon 12/8

3:18 pm-11:04 pm

1 stop9h 46m

$220

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 2/5

3:06 pm-6:36 pm

2 stops25h 30m

Buffalo

Mon 2/9

1:39 pm-9:45 pm

1 stop10h 06m

$222

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 12/6

9:34 am-2:23 pm

1 stop26h 49m

Buffalo

Mon 12/8

3:18 pm-11:04 pm

1 stop9h 46m

$224

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sun 12/7

12:59 am-10:45 am

1 stop7h 46m

Buffalo

Fri 12/12

12:37 pm-11:04 pm

1 stop12h 27m

$228

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 $428. 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 $234. 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 $330 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 November 2025, prices for Denver to Buffalo flights are approximately 21% 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

$208

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Denver in the past 72 hours is $208. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $372.
The fastest flight from Denver to Buffalo takes 3h 05m
Direct flights go from Denver to Buffalo every day.
There is 1 airport near Buffalo: 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 $120Free CancellationRating
5.8
3,097 reviews
Search Frontier flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,044 reviews
Search United Airlines flights
JetBluePriceFrom $230Free CancellationRating
7.2
2,904 reviews
Search JetBlue flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,998 reviews
Search Delta flights
SouthwestPriceFrom $278Free CancellationRating
8.0
4,252 reviews
Search Southwest flights

  • Southwest Flights From Denver to Buffalo

    Southwest is one of the most popular airlines flying from Denver to Buffalo, operating 7 flights/week on average for this route. A good Southwest flight deal for Denver to Buffalo starts from $278 round-trip, up to an average price of $446. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Denver to Buffalo

    United Airlines (7.4/10 from 9,044 reviews) operates around 6 flights from Denver to Buffalo in any given week. The average United Airlines airfare for this route is around $335, with deals from around $186 rare but found on momondo. Referenced prices are for round-trip Denver to Buffalo flight searches in the last 72 hours.

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
East Aurora
Bowmansville
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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