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Cheap flight deals from Buffalo to Ontario Starting at €148

Discover our range of affordable one-way and round-trip flights from Buffalo to Ontario and kick-start your next adventure today!

  • One way
  • Round-trip
      • BUF06:00
        8h 50m
        1 stop
        ONT11:50
        Tue, Feb 25|Buffalo - Ontario|Delta Air Lines
        €148€189
        22% OFF
        22% OFF
        €189€148

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Tue, Feb 25, arriving at Ontario International Airport. One-way Prices start from €148 including taxes and charges.

      • BUF06:00
        18h 22m
        1 stop
        ONT21:22
        Tue, May 13|Buffalo - Ontario|Jetblue Airways
        €148€189
        22% OFF
        22% OFF
        €189€148

        Choose Jetblue Airways flights from Buffalo to Ontario. The one-way connecting flight with Jetblue Airways departs from Buffalo Niagara International Airport on Tue, May 13, arriving at Ontario International Airport. One-way Prices start from €148 including taxes and charges.

      • BUF15:05
        9h 17m
        1 stop
        ONT21:22
        Thu, May 8|Buffalo - Ontario|Jetblue Airways
        €155€189
        18% OFF
        18% OFF
        €189€155

        Choose Jetblue Airways flights from Buffalo to Ontario. The one-way connecting flight with Jetblue Airways departs from Buffalo Niagara International Airport on Thu, May 8, arriving at Ontario International Airport. One-way Prices start from €155 including taxes and charges.

      • BUF06:00
        7h 57m
        1 stop
        ONT10:57
        Tue, Apr 29|Buffalo - Ontario|Delta Air Lines
        €156
        €156

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Tue, Apr 29, arriving at Ontario International Airport. One-way Prices start from €156 including taxes and charges.

      • BUF16:59
        8h 53m
        1 stop
        ONT22:52
        Sat, Feb 22|Buffalo - Ontario|Delta Air Lines
        €161
        €161

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Sat, Feb 22, arriving at Ontario International Airport. One-way Prices start from €161 including taxes and charges.

      • BUF06:00
        8h 36m
        1 stop
        ONT11:36
        Thu, Mar 13|Buffalo - Ontario|Delta Air Lines
        €163
        €163

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Thu, Mar 13, arriving at Ontario International Airport. One-way Prices start from €163 including taxes and charges.

      • BUF12:09
        10h 33m
        1 stop
        ONT19:42
        Tue, Apr 22|Buffalo - Ontario|Delta Air Lines
        €163
        €163

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Tue, Apr 22, arriving at Ontario International Airport. One-way Prices start from €163 including taxes and charges.

      • BUF12:09
        10h 33m
        1 stop
        ONT19:42
        Wed, Apr 23|Buffalo - Ontario|Delta Air Lines
        €163
        €163

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Wed, Apr 23, arriving at Ontario International Airport. One-way Prices start from €163 including taxes and charges.

      • BUF17:00
        9h 15m
        1 stop
        ONT23:15
        Mon, Apr 7|Buffalo - Ontario|Southwest Airlines
        €164
        €164

        Choose Southwest Airlines flights from Buffalo to Ontario. The one-way connecting flight with Southwest Airlines departs from Buffalo Niagara International Airport on Mon, Apr 7, arriving at Ontario International Airport. One-way Prices start from €164 including taxes and charges.

      • BUF06:00
        8h 29m
        1 stop
        ONT11:29
        Tue, Apr 8|Buffalo - Ontario|Delta Air Lines
        €165
        €165

        Choose Delta Air Lines flights from Buffalo to Ontario. The one-way connecting flight with Delta Air Lines departs from Buffalo Niagara International Airport on Tue, Apr 8, arriving at Ontario International Airport. One-way Prices start from €165 including taxes and charges.

      • BUF01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Sun, Feb 23|Buffalo - Ontario|Delta Air Lines
        Find More Flights
        Find More Flights

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

Buffalo to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2664

    Delta Air Lines

    06:00

    BUF

    2.5h

    08:27

    ATL

    SMTWTFS
    Search

  2. DL530

    Delta Air Lines

    09:41

    ATL

    3.6h

    11:15

    DEN

    SMTWTFS

  3. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  4. DL2664

    Delta Air Lines

    06:00

    BUF

    2.5h

    08:27

    ATL

    SMTWTFS
    Search

  5. DL665

    Delta Air Lines

    09:40

    ATL

    5.0h

    11:38

    ONT

    SMTWTFS

  6. F91691

    Frontier Airlines

    09:51

    BUF

    2.8h

    12:37

    MCO

    SMTWTFS
    Search

  7. F91733

    Frontier Airlines

    06:00

    MCO

    4.3h

    08:18

    DEN

    SMTWTFS

  8. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  9. UA4381

    United Airlines

    13:55

    BUF

    2.0h

    14:55

    ORD

    SMTWTFS
    Search

  10. UA1946

    United Airlines

    16:06

    ORD

    2.9h

    17:59

    DEN

    SMTWTFS

  11. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  12. F93851

    Frontier Airlines

    15:32

    BUF

    2.5h

    17:59

    ATL

    ---W-FS
    Search

  13. F91449

    Frontier Airlines

    21:11

    ATL

    3.8h

    22:58

    DEN

    SMTWTFS

  14. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WT-S

  15. F93851

    Frontier Airlines

    15:32

    BUF

    2.5h

    17:59

    ATL

    ---W-FS
    Search

  16. F91447

    Frontier Airlines

    08:30

    ATL

    5.8h

    11:19

    SFO

    ------S

  17. F92678

    Frontier Airlines

    08:34

    SFO

    1.5h

    10:02

    ONT

    S--WT-S

  18. F93851

    Frontier Airlines

    15:32

    BUF

    2.5h

    17:59

    ATL

    ---W-FS
    Search

  19. F92427

    Frontier Airlines

    16:55

    ATL

    4.6h

    18:32

    LAS

    S--WTFS

  20. F91283

    Frontier Airlines

    06:20

    LAS

    1.1h

    07:24

    ONT

    ---WT-S

  21. F93869

    Frontier Airlines

    15:55

    BUF

    2.3h

    18:12

    ATL

    --T----
    Search

  22. F91403

    Frontier Airlines

    07:22

    ATL

    2.5h

    08:50

    IAH

    S-TWTFS

  23. F93131

    Frontier Airlines

    12:18

    IAH

    3.5h

    13:45

    ONT

    S-T-T--

  24. F92545

    Frontier Airlines

    20:05

    BUF

    3.0h

    23:02

    TPA

    SMTWTFS
    Search

  25. F93517

    Frontier Airlines

    15:06

    TPA

    4.3h

    17:21

    DEN

    S-TWTFS

  26. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WT-S

  27. F91243

    Frontier Airlines

    20:27

    BUF

    2.8h

    23:16

    TPA

    S---TF-
    Search

  28. F91113

    Frontier Airlines

    06:30

    TPA

    4.2h

    08:41

    DEN

    SMTWTFS

  29. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WT-S
Find more flights and airlines

When is the cheapest time to fly from Buffalo to Ontario?

These price trend charts carefully monitor and predict how flight prices from Buffalo to Ontario will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

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

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

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

    According to Trip.com's data, the lowest price is around €330.

  • What's the most popular airline for non-stop flights from Buffalo (BUF) to Ontario (ONT)?

    Jetblue Airways operates 1 non-stop flights from Buffalo (BUF) to Ontario (ONT).

How to find a cheap flight from Buffalo to Ontario

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
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 Info | Buffalo to Ontario

Cheapest direct flight price€147
Cheapest return ticket price€277
Off-season for travelFebruary
Peak season for travelJuly
Flight distance9,093.09 km
Popular airlineFrontier Airlines

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