$60 Cheap Frontier Airlines flights Raleigh (RDU) to Buffalo (BUF)

You’ll discover affordable round-trip Frontier Airlines flights from $120 from RDU to BUF by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $60 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to jet off to Buffalo with Frontier Airlines. You could also find great deals on one-way and return fares in February.

Search for cheap Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Buffalo Niagara Intl. Airport (BUF) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct route from RDU to BUF with Frontier Airlines or other carriers, use our “Nonstop” filter when searching for flights.

Search Frontier Airlines’s earliest flights from RDU to BUF by checking our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Buffalo arrive at Buffalo Niagara Intl. Airport (BUF). This is the main gateway to this city.

Journey from RDU to BUF with Frontier Airlines and look forward to a host of benefits starting with a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can reschedule or cancel your flight, although there may be a charge if your booking was made more than 24 hours ago. Need to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to adjust your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.