Cheap flights from Ottawa, Canada to Buffalo, NY

Travelers frequently search for route combinations, such as Ottawa and Halifax, Toronto, Amsterdam, Moncton, Istanbul, Geneva, Lisbon, Barcelona, Berlin, Madrid, Athens, Calgary, New York, Paris, Vienna, Miami, Montreal, London, Glasgow, Orlando.

Travelers frequently search for route combinations, such as Buffalo and Orlando, Tampa, Fort Myers, Denver, London, New York, Boston, Dallas, Rome, San Juan, Toronto, San Francisco, Washington, D.C., Houston, Paris, Seattle, Raleigh, Fort Lauderdale, Athens, Tallinn.

Ottawa is mainly served by Ottawa Macdonald–Cartier International. But there are other airports nearby, including Ottawa / Rockcliffe Airport.

The main airport in Ottawa is Ottawa Macdonald–Cartier International. It is also served by Montréal–Pierre Elliott Trudeau International, Syracuse Hancock International, Plattsburgh International, Ogdensburg International, Massena International, Montreal Saint-Hubert Longueuil, Adirondack Regional, Watertown International.

The main airport in Buffalo is Buffalo Niagara International. It is also served by Toronto Pearson International, Billy Bishop Toronto City, Buffalo Niagara International, Syracuse Hancock International, Greater Rochester International, Region of Waterloo International, John C. Munro Hamilton International, London International, DuBois Regional, Elmira/Corning Regional.

Yes, it's possible to combine different modes of transport between Ottawa and Buffalo thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ottawa and Buffalo can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Ottawa and Buffalo with JetBlue Airways, Air Canada, Porter Airlines, United Airlines, Frontier Airlines.

If you don’t have specific dates for your trip between Ottawa and Buffalo, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.