Cheap flights from Buffalo to Denver from $75

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 8/26. 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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Cheap round-trip flights

United Airlines Logo
8:33 am - 10:09 amBUF-DEN
3h 36mnonstop
United Airlines Logo
5:40 pm - 10:56 pmDEN-BUF
3h 16mnonstop
$149United Airlines
Find Deal
Sat, Aug 30 - Wed, Sep 3
Frontier Logo
4:57 pm - 6:38 pmBUF-DEN
3h 41mnonstop
Frontier Logo
10:48 am - 4:02 pmDEN-BUF
3h 14mnonstop
$150Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
Frontier Logo
4:57 pm - 6:38 pmBUF-DEN
3h 41mnonstop
Frontier Logo
10:48 am - 4:02 pmDEN-BUF
3h 14mnonstop
$155Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
Southwest Logo
7:10 am - 8:35 amBUF-DEN
3h 25mnonstop
Southwest Logo
6:45 am - 3:10 pmDEN-BUF
6h 25m1 stop
$159Southwest
Find Deal
Sat, Aug 30 - Wed, Sep 3
Southwest Logo
7:10 am - 8:35 amBUF-DEN
3h 25mnonstop
Southwest Logo
7:00 am - 5:55 pmDEN-BUF
8h 55m2 stops
$164Southwest
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
7:35 am - 2:41 pmBUF-DEN
9h 06m1 stop
American Airlines Logo
9:41 am - 5:10 pmDEN-BUF
5h 29m1 stop
$168American Airlines
Find Deal
Tue, Aug 12 - Tue, Aug 19
Southwest Logo
7:40 am - 1:25 pmBUF-DEN
7h 45m1 stop
Southwest Logo
2:50 pm - 11:00 pmDEN-BUF
6h 10m1 stop
$169Southwest
Find Deal
Tue, Aug 26 - Wed, Sep 3
Frontier Logo
2:09 pm - 3:54 pmBUF-DEN
3h 45mnonstop
Frontier Logo
8:00 am - 1:14 pmDEN-BUF
3h 14mnonstop
$170Frontier
Find Deal
Fri, Oct 10 - Fri, Oct 17
Frontier Logo
4:55 pm - 6:38 pmBUF-DEN
3h 43mnonstop
Frontier Logo
10:48 am - 4:02 pmDEN-BUF
3h 14mnonstop
$172Frontier
Find Deal
Fri, Aug 29 - Mon, Sep 8
American Airlines Logo
6:33 pm - 10:55 pmBUF-DEN
6h 22m1 stop
American Airlines Logo
7:02 am - 5:41 pmDEN-BUF
8h 39m1 stop
$176American Airlines
Find Deal
Wed, Aug 13 - Mon, Aug 18

American Airlines flights from Buffalo to Denver

Our best American Airlines deals on Buffalo to Denver flight tickets
American Airlines
Aug 12
BUF7:35 amBuffalo
9h 06m
1 stop
DEN2:41 pmDenver Intl
Aug 19
DEN9:41 amDenver Intl
5h 29m
1 stop
BUF5:10 pmBuffalo
American Airlines
Aug 13
BUF6:33 pmBuffalo
6h 22m
1 stop
DEN10:55 pmDenver Intl
Aug 18
DEN7:02 amDenver Intl
8h 39m
1 stop
BUF5:41 pmBuffalo
American Airlines
Aug 23
BUF10:04 amBuffalo
8h 38m
2 stops
DEN4:42 pmDenver Intl
Aug 25
DEN7:02 amDenver Intl
8h 39m
1 stop
BUF5:41 pmBuffalo

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Sep 5
BUF4:57 pmBuffalo
3h 41m
DEN6:38 pmDenver Intl
Sep 7
DEN10:48 amDenver Intl
3h 14m
BUF4:02 pmBuffalo
Frontier
Sep 5
BUF4:57 pmBuffalo
3h 41m
DEN6:38 pmDenver Intl
Sep 7
DEN10:48 amDenver Intl
3h 14m
BUF4:02 pmBuffalo
Frontier
Oct 10
BUF2:09 pmBuffalo
3h 45m
DEN3:54 pmDenver Intl
Oct 17
DEN8:00 amDenver Intl
3h 14m
BUF1:14 pmBuffalo

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 cheapest month to fly to Denver?

The cheapest month to fly to Denver from Buffalo is in September. Flight prices, which tend to average around $270, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until August to fly from Buffalo, when ticket prices are also cheap, with an average price of $273.

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 Wednesday when prices can be found for as low as $316. 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 $473.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $249. Flights in the morning are often more expensive with an average ticket price of $444.

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 $330 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 $237 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 July 2025, 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

$75

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 $75. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $149.
The fastest flight from Buffalo to Denver takes 3h 25m
Direct flights go from Buffalo to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

  • 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 $113Free CancellationRating
5.9
3,267 reviews
Search Frontier flights
JetBluePriceFrom $188Free CancellationRating
7.3
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
8,850 reviews
Search United Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $220Free CancellationRating
8.0
7,951 reviews
Search Delta flights
SouthwestPriceFrom $295Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
  • Southwest Flights From Buffalo to Denver

    Across 5 Southwest flights from Buffalo to Denver this week, the average price was $431, with the best Southwest deals starting from $295 round-trip. 4,246 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Buffalo to Denver

    United Airlines (7.4/10 from 8,850 reviews) operates around 7 flights from Buffalo to Denver in any given week. The average United Airlines airfare for this route is around $324, with deals from around $211 rare but found on momondo. Referenced prices are for round-trip Buffalo to Denver flight searches in the last 72 hours.


Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Longmont
Boulder
Lakewood
Manitou Springs
Greeley
Westminster
Thornton
Winter Park
Silverthorne
Copper Mountain
Grand Lake
Golden
Frisco

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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1 adult
Thu 7/17
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