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Cheap flight deals from Ontario to Milwaukee Starting at PHP 3,004

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • ONT05:13 pm
        14h 19m
        1 stop
        MKE09:32 am
        Mon, Feb 24|Ontario - Milwaukee|Frontier Airlines
        PHP 3,004PHP 8,466
        65% OFF
        65% OFF
        PHP 8,466PHP 3,004

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Mon, Feb 24, arriving at General Mitchell International Airport. One-way Prices start from PHP 3,004 including taxes and charges.

      • ONT05:13 pm
        14h 19m
        1 stop
        MKE09:32 am
        Mon, Mar 3|Ontario - Milwaukee|Frontier Airlines
        PHP 3,029PHP 8,466
        64% OFF
        64% OFF
        PHP 8,466PHP 3,029

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Mon, Mar 3, arriving at General Mitchell International Airport. One-way Prices start from PHP 3,029 including taxes and charges.

      • ONT12:59 am
        6h 33m
        1 stop
        MKE09:32 am
        Thu, Feb 13|Ontario - Milwaukee|Frontier Airlines
        PHP 3,633PHP 8,466
        56% OFF
        56% OFF
        PHP 8,466PHP 3,633

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Feb 13, arriving at General Mitchell International Airport. One-way Prices start from PHP 3,633 including taxes and charges.

      • ONT12:59 am
        6h 43m
        1 stop
        MKE09:42 am
        Sun, Feb 23|Ontario - Milwaukee|Frontier Airlines
        PHP 4,849
        PHP 4,849

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sun, Feb 23, arriving at General Mitchell International Airport. One-way Prices start from PHP 4,849 including taxes and charges.

      • ONT12:59 am
        6h 43m
        1 stop
        MKE09:42 am
        Sun, Feb 16|Ontario - Milwaukee|Frontier Airlines
        PHP 4,994
        PHP 4,994

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sun, Feb 16, arriving at General Mitchell International Airport. One-way Prices start from PHP 4,994 including taxes and charges.

      • ONT12:59 am
        6h 33m
        1 stop
        MKE09:32 am
        Thu, Feb 20|Ontario - Milwaukee|Frontier Airlines
        PHP 5,743
        PHP 5,743

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Thu, Feb 20, arriving at General Mitchell International Airport. One-way Prices start from PHP 5,743 including taxes and charges.

      • ONT06:47 pm
        12h 40m
        1 stop
        MKE09:27 am
        Sat, Apr 12|Ontario - Milwaukee|Frontier Airlines
        PHP 5,985
        PHP 5,985

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sat, Apr 12, arriving at General Mitchell International Airport. One-way Prices start from PHP 5,985 including taxes and charges.

      • ONT06:47 pm
        12h 40m
        1 stop
        MKE09:27 am
        Sat, Apr 5|Ontario - Milwaukee|Frontier Airlines
        PHP 6,114
        PHP 6,114

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sat, Apr 5, arriving at General Mitchell International Airport. One-way Prices start from PHP 6,114 including taxes and charges.

      • ONT12:59 am
        5h 33m
        1 stop
        MKE09:32 am
        Sun, Mar 9|Ontario - Milwaukee|Frontier Airlines
        PHP 6,847
        PHP 6,847

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Sun, Mar 9, arriving at General Mitchell International Airport. One-way Prices start from PHP 6,847 including taxes and charges.

      • ONT03:17 pm
        16h 10m
        1 stop
        MKE09:27 am
        Wed, Apr 16|Ontario - Milwaukee|Frontier Airlines
        PHP 7,789
        PHP 7,789

        Choose Frontier Airlines flights from Ontario to Milwaukee. The one-way connecting flight with Frontier Airlines departs from Ontario International Airport on Wed, Apr 16, arriving at General Mitchell International Airport. One-way Prices start from PHP 7,789 including taxes and charges.

      • ONT01:00 pm
        3h 5m
        Nonstop
        MKE02:00 pm
        Thu, Feb 6|Ontario - Milwaukee|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.

Los Angeles to Milwaukee Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1345

    Delta Air Lines

    01:21 pm

    ONT

    1.8h

    04:11 pm

    SLC

    SMTWTFS
    Search

  2. DL2619

    Delta Air Lines

    05:25 pm

    SLC

    3.0h

    09:25 pm

    MKE

    SMTWTFS

  3. F91358

    Frontier Airlines

    02:32 pm

    ONT

    1.2h

    03:46 pm

    LAS

    SMTWTFS
    Search

  4. F91994

    Frontier Airlines

    12:59 am

    LAS

    1.9h

    03:56 am

    DEN

    ------S

  5. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  6. F91358

    Frontier Airlines

    02:32 pm

    ONT

    1.2h

    03:46 pm

    LAS

    SMTWTFS
    Search

  7. F94612

    Frontier Airlines

    07:35 pm

    LAS

    2.0h

    10:37 pm

    DEN

    SMTWTFS

  8. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  9. F92908

    Frontier Airlines

    05:34 pm

    ONT

    2.3h

    08:51 pm

    DEN

    ----TF-
    Search

  10. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  11. F94206

    Frontier Airlines

    10:39 pm

    ONT

    1.3h

    11:59 pm

    LAS

    SMTWTFS
    Search

  12. F91994

    Frontier Airlines

    12:59 am

    LAS

    1.9h

    03:56 am

    DEN

    ------S

  13. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  14. F94206

    Frontier Airlines

    10:39 pm

    ONT

    1.3h

    11:59 pm

    LAS

    SMTWTFS
    Search

  15. F93844

    Frontier Airlines

    06:25 am

    LAS

    2.1h

    09:29 am

    DEN

    SMTWTFS

  16. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  17. F91262

    Frontier Airlines

    12:10 pm

    ONT

    2.4h

    03:32 pm

    DEN

    SMTWTFS
    Search

  18. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S

  19. DL665

    Delta Air Lines

    12:39 pm

    ONT

    4.3h

    07:57 pm

    ATL

    SMTWTFS
    Search

  20. DL1268

    Delta Air Lines

    10:55 pm

    ATL

    2.0h

    11:55 pm

    MKE

    SMTWT-S

  21. F91500

    Frontier Airlines

    12:59 am

    ONT

    2.3h

    04:16 am

    DEN

    SM-WTFS
    Search

  22. F93312

    Frontier Airlines

    06:00 am

    DEN

    3.5h

    11:32 am

    MCO

    SMTWTFS

  23. F91141

    Frontier Airlines

    03:36 pm

    MCO

    3.3h

    05:52 pm

    MKE

    SMTWTFS

  24. F91500

    Frontier Airlines

    12:59 am

    ONT

    2.3h

    04:16 am

    DEN

    SM-WTFS
    Search

  25. F91608

    Frontier Airlines

    11:55 am

    DEN

    2.4h

    03:20 pm

    MKE

    S---T-S
Find more flights and airlines

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

We monitor flight fares to help you find the best deals effortlessly

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 Ontario (ONT) to Milwaukee (MKE) the cheapest?

    Airlines adjust prices for flights from Ontario to Milwaukee 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 Milwaukee (MKE) cost?

    According to Trip.com's data, the lowest price is around PHP 21,167.

  • What is the transportation method from the main airport to downtown in Milwaukee?

    • The distance from General Mitchell International Airport to downtown is about 10 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Ontario to Milwaukee

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 Milwaukee. 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 Info | Ontario to Milwaukee

Cheapest nonstop flight pricePHP 3,004
Off-season for travelDecember
Peak season for travelAugust
Flight distance9,836.64 km
Popular airlineUnited Airlines

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