App
Customer Support
INR
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
California
>
Ontario
>
Flights from Butte to Ontario
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Book flight tickets from Butte to Ontario starting at ₹ 19,129

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

  • One way
  • Round-trip
      • BTM18:20
        6h 31m
        1 stop
        ONT23:51
        Tue, Feb 25|Butte - Ontario|Delta Air Lines
        ₹ 19,129₹ 53,686
        64% OFF
        64% OFF
        ₹ 53,686₹ 19,129

        Choose Delta Air Lines flights from Butte to Ontario. The one-way connecting flight with Delta Air Lines departs from Bert Mooney Airport on Tue, Feb 25, arriving at Ontario International Airport. One-way ticket prices start from ₹ 19,129 including taxes and charges.

      • BTM18:20
        6h 21m
        1 stop
        ONT23:41
        Fri, Apr 18|Butte - Ontario|Delta Air Lines
        ₹ 19,296₹ 53,686
        64% OFF
        64% OFF
        ₹ 53,686₹ 19,296

        Choose Delta Air Lines flights from Butte to Ontario. The one-way connecting flight with Delta Air Lines departs from Bert Mooney Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way ticket prices start from ₹ 19,296 including taxes and charges.

      • BTM10:00
        15h 9m
        1 stop
        ONT00:09
        Fri, Feb 21|Butte - Ontario|United Airlines
        ₹ 19,380₹ 53,686
        64% OFF
        64% OFF
        ₹ 53,686₹ 19,380

        Choose United Airlines flights from Butte to Ontario. The one-way connecting flight with United Airlines departs from Bert Mooney Airport on Fri, Feb 21, arriving at Ontario International Airport. One-way ticket prices start from ₹ 19,380 including taxes and charges.

      • BTM10:15
        14h 44m
        1 stop
        ONT23:59
        Fri, Apr 4|Butte - Ontario|United Airlines
        ₹ 19,894
        ₹ 19,894

        Choose United Airlines flights from Butte to Ontario. The one-way connecting flight with United Airlines departs from Bert Mooney Airport on Fri, Apr 4, arriving at Ontario International Airport. One-way ticket prices start from ₹ 19,894 including taxes and charges.

      • BTM10:15
        6h 2m
        1 stop
        ONT15:17
        Fri, Apr 18|Butte - Ontario|United Airlines
        ₹ 22,224
        ₹ 22,224

        Choose United Airlines flights from Butte to Ontario. The one-way connecting flight with United Airlines departs from Bert Mooney Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way ticket prices start from ₹ 22,224 including taxes and charges.

      • BTM18:20
        6h 32m
        1 stop
        ONT23:52
        Fri, Apr 4|Butte - Ontario|Delta Air Lines
        ₹ 28,210
        ₹ 28,210

        Choose Delta Air Lines flights from Butte to Ontario. The one-way connecting flight with Delta Air Lines departs from Bert Mooney Airport on Fri, Apr 4, arriving at Ontario International Airport. One-way ticket prices start from ₹ 28,210 including taxes and charges.

      • BTM10:00
        14h 59m
        1 stop
        ONT23:59
        Mon, Feb 24|Butte - Ontario|United Airlines
        ₹ 33,120
        ₹ 33,120

        Choose United Airlines flights from Butte to Ontario. The one-way connecting flight with United Airlines departs from Bert Mooney Airport on Mon, Feb 24, arriving at Ontario International Airport. One-way ticket prices start from ₹ 33,120 including taxes and charges.

      • BTM18:20
        6h 31m
        1 stop
        ONT23:51
        Mon, Feb 24|Butte - Ontario|Delta Air Lines
        ₹ 39,728
        ₹ 39,728

        Choose Delta Air Lines flights from Butte to Ontario. The one-way connecting flight with Delta Air Lines departs from Bert Mooney Airport on Mon, Feb 24, arriving at Ontario International Airport. One-way ticket prices start from ₹ 39,728 including taxes and charges.

      • BTM01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Fri, Feb 28|Butte - 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.

Butte to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5017

    United Airlines

    10:00

    BTM

    2.0h

    12:01

    DEN

    SMTWTFS
    Search

  2. UA430

    United Airlines

    11:15

    DEN

    2.3h

    12:31

    ONT

    SMTWTFS

  3. UA5017

    United Airlines

    10:00

    BTM

    2.0h

    12:01

    DEN

    SMTWTFS
    Search

  4. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  5. UA5017

    United Airlines

    10:00

    BTM

    2.0h

    12:01

    DEN

    SMTWTFS
    Search

  6. F92907

    Frontier Airlines

    09:30

    DEN

    2.5h

    11:00

    ONT

    S------

  7. UA5017

    United Airlines

    10:00

    BTM

    2.0h

    12:01

    DEN

    SMTWTFS
    Search

  8. UA316

    United Airlines

    13:55

    DEN

    2.5h

    17:25

    IAH

    SMTWTFS

  9. UA1563

    United Airlines

    19:50

    IAH

    3.3h

    21:10

    ONT

    SMTWTFS

  10. UA5017

    United Airlines

    10:00

    BTM

    2.0h

    12:01

    DEN

    SMTWTFS
    Search

  11. UA351

    United Airlines

    19:25

    DEN

    2.5h

    20:52

    ONT

    SMTWTFS

  12. DL4312

    Delta Air Lines

    18:10

    BTM

    1.4h

    19:35

    SLC

    SMTWT-S
    Search

  13. DL2998

    Delta Air Lines

    21:45

    SLC

    2.5h

    23:15

    SEA

    SMTWTFS

  14. DL4031

    Delta Air Lines

    14:35

    SEA

    2.6h

    17:14

    ONT

    SMTWTFS

  15. DL4312

    Delta Air Lines

    18:10

    BTM

    1.4h

    19:35

    SLC

    SMTWT-S
    Search

  16. DL1614

    Delta Air Lines

    22:30

    SLC

    1.9h

    23:26

    ONT

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Butte to Ontario

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Ontario from Butte have changed and are set to move below.

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

FAQ

  • When are flight tickets from Butte (BTM) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Butte to Ontario 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 Butte (BTM) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around ₹ 33,765.

How to find a cheap flight from Butte 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 Information from Butte to Ontario

Cheapest nonstop flight price₹ 19,128
Off-season for travelNovember
Peak season for travelNovember
Flight distance11,723.04 km
Popular airlineUnited Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.