Denver, CO to Buffalo, NY flights

Flights starting at £97. Choose between American Airlines, Frontier Airlines, or Spirit Airlines to find the best price.

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Tips to know when travelling to Buffalo

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Travelers usually depart from Denver International, or Denver Union Station when they travel from Denver to Buffalo. Book your trip to arrive at Buffalo Niagara International, Buffalo Downtown Terminal, or Buffalo - Exchange Street. The most popular airlines for this route are American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, and Sun Country Airlines. Denver and Buffalo have 275 direct flights per week.

Check-in for a flight from Denver to Buffalo

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAANoNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Sun Country AirlinesSCXSYYesNo

Buffalo travel tips

1) Spot current residence of outstanding people on the Forest Lawn Cemetery in Buffalo
2) Stock up with vintage stuff on The Peddler flea market in Buffalo
3) Shop with locals at Southgate Plaza in Buffalo
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

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