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Latest Flight Deals from Ontario to Buffalo

Book one-way or return flights from Ontario to Buffalo from as little as NZD 142. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • ONT09:44
        9h 10m
        1 stop
        BUF21:54
        Sat, Jun 22|Ontario - Buffalo|Frontier Airlines
        NZD 142NZD 273
        48% OFF
        48% OFF
        NZD 273NZD 142
      • ONT07:26
        10h 27m
        1 stop
        BUF20:53
        Wed, May 8|Ontario - Buffalo|Frontier Airlines
        NZD 144NZD 273
        47% OFF
        47% OFF
        NZD 273NZD 144
      • ONT00:59
        14h 3m
        1 stop
        BUF18:02
        Mon, May 13|Ontario - Buffalo|Frontier Airlines
        NZD 146NZD 273
        47% OFF
        47% OFF
        NZD 273NZD 146
      • ONT00:59
        17h 57m
        1 stop
        BUF21:56
        Wed, May 22|Ontario - Buffalo|Frontier Airlines
        NZD 146
        NZD 146
      • ONT00:49
        18h 5m
        1 stop
        BUF21:54
        Sat, Jun 15|Ontario - Buffalo|Frontier Airlines
        NZD 154
        NZD 154
      • ONT20:56
        18h 11m
        1 stop
        BUF18:07
        Fri, May 17|Ontario - Buffalo|Frontier Airlines
        NZD 163
        NZD 163
      • ONT00:59
        14h 3m
        1 stop
        BUF18:02
        Mon, Apr 29|Ontario - Buffalo|Frontier Airlines
        NZD 172
        NZD 172
      • ONT20:54
        18h 8m
        1 stop
        BUF18:02
        Fri, May 24|Ontario - Buffalo|Frontier Airlines
        NZD 173
        NZD 173
      • ONT07:26
        10h 27m
        1 stop
        BUF20:53
        Wed, May 15|Ontario - Buffalo|Frontier Airlines
        NZD 187
        NZD 187
      • ONT07:26
        7h 46m
        1 stop
        BUF18:12
        Sat, May 4|Ontario - Buffalo|Frontier Airlines
        NZD 190
        NZD 190
      • ONT13:00
        3h 5m
        Direct
        BUF14:00
        Sun, May 5|Ontario - Buffalo|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Ontario to Buffalo? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Ontario to Buffalo. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Ontario to Buffalo

View airlines operating flights from Ontario to Buffalo. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 142
Delta Air Lines
From NZD 241
Alaska Airlines
From NZD 266
Jetblue Airways
From NZD 271
United Airlines
From NZD 318
Southwest Airlines
From NZD 360
American Airlines
From NZD 536
ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to Buffalo

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to Buffalo.

  • Cheapest
    Frontier Airlines
    ONT
    09:44
    9h 10m
    1 transfer
    BUF
    21:54
    Ontario International Airport - Buffalo Niagara International Airport
    Sat, Jun 22Frontier Airlines
    NZD 142
  • Frontier Airlines
    ONT
    09:44
    9h 10m
    1 transfer
    BUF
    21:54
    Ontario International Airport - Buffalo Niagara International Airport
    Sat, Jun 22Frontier Airlines
    NZD 142
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Ontario (ONT) to Buffalo (BUF) the cheapest?

    Airlines adjust prices for flights from Ontario to Buffalo based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ontario (ONT) to Buffalo (BUF) cost?

    According to Trip.com's data, the lowest price is around NZD 716.

How to find a cheap flight from Ontario to Buffalo

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Buffalo. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Ontario to Buffalo

Cheapest nonstop flight price

NZD 142

Cheapest round-trip ticket price

NZD 334

Off-season for travel

November

Peak season for travel

April

Flight distance

9,093.09km

Popular airline

American Airlines

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