Cheap flights from Ontario, CA to Buffalo, NY
Choose between JetBlue Airways, Frontier Airlines, or United Airlines to find the best price
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Buffalo
Cheapest nonstop round-trip | £149 |
---|---|
Most popular airline | JetBlue Airways |
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Buffalo. The most popular airlines for this route are JetBlue Airways, Frontier Airlines, United Airlines, Spirit Airlines, and Alaska Airlines. Ontario and Buffalo have 112 direct flights per week.
Check-in for a flight from Ontario to Buffalo
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Buffalo
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -6°C |
February | 0°C | -6°C |
March | 5°C | -2°C |
April | 11°C | 3°C |
May | 19°C | 9°C |
June | 23°C | 14°C |
July | 26°C | 18°C |
August | 25°C | 17°C |
September | 22°C | 14°C |
October | 15°C | 8°C |
November | 8°C | 2°C |
December | 2°C | -1°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Ontario
- Flights from Ontario to Orlando
- Flights from Ontario to New York
- Flights from Ontario to Denver
- Flights from Ontario to London
- Flights from Ontario to Austin
- Flights from Ontario to Las Vegas
- Flights from Ontario to Boston
- Flights from Ontario to San Francisco
- Flights from Ontario to Stockton
- Flights from Ontario to Richmond
- Flights from Ontario to Jacksonville
- Flights from Ontario to Detroit
- Flights from Ontario to Manchester
- Flights from Ontario to Indianapolis
- Flights from Ontario to Bengaluru
- Flights from Ontario to Minneapolis
- Flights from Ontario to Boise
- Flights from Ontario to Cincinnati
- Flights from Ontario to Oklahoma City
- Flights from Ontario to Guatemala City
Flights to Buffalo
- Flights from Orlando to Buffalo
- Flights from Tampa to Buffalo
- Flights from Fort Myers to Buffalo
- Flights from Denver to Buffalo
- Flights from London to Buffalo
- Flights from New York to Buffalo
- Flights from Boston to Buffalo
- Flights from Dallas to Buffalo
- Flights from Rome to Buffalo
- Flights from San Juan to Buffalo
- Flights from Toronto to Buffalo
- Flights from San Francisco to Buffalo
- Flights from Washington, D.C. to Buffalo
- Flights from Houston to Buffalo
- Flights from Paris to Buffalo
- Flights from Seattle to Buffalo
- Flights from Raleigh to Buffalo
- Flights from Fort Lauderdale to Buffalo
- Flights from Athens to Buffalo
- Flights from Tallinn to Buffalo
Popular routes
- Flights from Chiang Mai to Bangkok
- Flights from Venice to Bucaramanga
- Flights from Phuket City to Bangkok
- Flights from Tulsa to Hartford
- Flights from Hartford to Tulsa
- Flights from Bucaramanga to Venice
- Flights from Atlanta to Allentown
- Flights from Indianapolis to Springfield
- Flights from Springfield to Indianapolis
- Flights from Johannesburg to Kabul
- Flights from Nadi to Minneapolis
- Flights from Malé to Georgetown