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Cheap flight deals from Ontario to Rosario Starting at AED 2,391

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

  • One way
  • Round-trip
      • ONT06:00
        28h 25m
        2 stops
        ROS14:25
        Sun, Mar 16|Ontario - Rosario|United Airlines
        AED 2,391AED 4,884
        51% OFF
        51% OFF
        AED 4,884AED 2,391

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Sun, Mar 16, arriving at Rosario International Airport. One-way Prices start from AED 2,391 including taxes and charges.

      • ONT06:05
        39h 40m
        2 stops
        ROS01:45
        Mon, Apr 28|Ontario - Rosario|United Airlines
        AED 2,399AED 4,884
        51% OFF
        51% OFF
        AED 4,884AED 2,399

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Mon, Apr 28, arriving at Rosario International Airport. One-way Prices start from AED 2,399 including taxes and charges.

      • ONT06:00
        26h 15m
        2 stops
        ROS13:15
        Fri, Mar 7|Ontario - Rosario|United Airlines
        AED 2,404AED 4,884
        51% OFF
        51% OFF
        AED 4,884AED 2,404

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Mar 7, arriving at Rosario International Airport. One-way Prices start from AED 2,404 including taxes and charges.

      • ONT06:00
        26h 15m
        2 stops
        ROS13:15
        Sat, Feb 22|Ontario - Rosario|United Airlines
        AED 2,424
        AED 2,424

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Sat, Feb 22, arriving at Rosario International Airport. One-way Prices start from AED 2,424 including taxes and charges.

      • ONT06:00
        33h 20m
        2 stops
        ROS19:20
        Tue, Mar 25|Ontario - Rosario|United Airlines
        AED 2,705
        AED 2,705

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Tue, Mar 25, arriving at Rosario International Airport. One-way Prices start from AED 2,705 including taxes and charges.

      • ONT06:00
        44h 50m
        2 stops
        ROS07:50
        Wed, Feb 26|Ontario - Rosario|United Airlines
        AED 2,820
        AED 2,820

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Wed, Feb 26, arriving at Rosario International Airport. One-way Prices start from AED 2,820 including taxes and charges.

      • ONT06:00
        46h 30m
        2 stops
        ROS08:30
        Mon, Mar 24|Ontario - Rosario|United Airlines
        AED 2,871
        AED 2,871

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Mon, Mar 24, arriving at Rosario International Airport. One-way Prices start from AED 2,871 including taxes and charges.

      • ONT06:05
        45h 45m
        2 stops
        ROS07:50
        Tue, Apr 15|Ontario - Rosario|United Airlines
        AED 2,911
        AED 2,911

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Tue, Apr 15, arriving at Rosario International Airport. One-way Prices start from AED 2,911 including taxes and charges.

      • ONT06:05
        33h 15m
        2 stops
        ROS19:20
        Wed, Apr 2|Ontario - Rosario|United Airlines
        AED 3,052
        AED 3,052

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Wed, Apr 2, arriving at Rosario International Airport. One-way Prices start from AED 3,052 including taxes and charges.

      • ONT06:00
        27h 25m
        2 stops
        ROS14:25
        Sun, Feb 16|Ontario - Rosario|United Airlines
        AED 3,241
        AED 3,241

        Choose United Airlines flights from Ontario to Rosario. The one-way connecting flight with United Airlines departs from Ontario International Airport on Sun, Feb 16, arriving at Rosario International Airport. One-way Prices start from AED 3,241 including taxes and charges.

      • ONT01:00 pm
        3h 5m
        Nonstop
        ROS02:00 pm
        Sat, Feb 22|Ontario - Rosario|United 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 Rosario flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  2. UA831

    United Airlines

    18:30

    IAH

    10.8h

    07:20

    EZE

    SMTWTFS

  3. AR1708

    Aerolineas Argentinas

    06:50

    AEP

    1.0h

    07:50

    ROS

    SMTWTF-

  4. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  5. UA129

    United Airlines

    20:20

    IAH

    10.3h

    09:35

    GIG

    SMTWTFS

  6. G37722

    Gol Linhas Aereas Inteligentes

    22:30

    GIG

    3.6h

    02:05

    ROS

    SMTWTFS

  7. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  8. UA819

    United Airlines

    20:15

    IAH

    9.8h

    08:00

    EZE

    SMTWTFS

  9. AR1712

    Aerolineas Argentinas

    06:40

    AEP

    1.0h

    07:40

    ROS

    S-T--FS

  10. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  11. UA819

    United Airlines

    20:15

    IAH

    9.8h

    08:00

    EZE

    SMTWTFS

  12. AR1718

    Aerolineas Argentinas

    17:45

    AEP

    1.0h

    18:45

    ROS

    ---W--S

  13. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  14. UA831

    United Airlines

    18:30

    IAH

    10.8h

    07:20

    EZE

    SMTWTFS

  15. AR1716

    Aerolineas Argentinas

    12:05

    AEP

    1.0h

    13:05

    ROS

    S-T-T--

  16. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  17. UA819

    United Airlines

    20:15

    IAH

    9.8h

    08:00

    EZE

    SMTWTFS

  18. AR1378

    Aerolineas Argentinas

    12:55

    AEP

    1.0h

    13:55

    ROS

    ----T--

  19. UA722

    United Airlines

    06:00

    ONT

    3.0h

    11:02

    IAH

    SMTWTFS
    Search

  20. UA831

    United Airlines

    18:30

    IAH

    10.8h

    07:20

    EZE

    SMTWTFS

  21. AR1712

    Aerolineas Argentinas

    06:40

    AEP

    1.0h

    07:40

    ROS

    S-T--FS

  22. DL761

    Delta Air Lines

    07:00

    ONT

    4.2h

    14:09

    ATL

    SMTWTFS
    Search

  23. DL151

    Delta Air Lines

    15:35

    ATL

    6.5h

    21:05

    LIM

    SMTWTFS

  24. LA2432

    LATAM Airlines

    00:05

    LIM

    4.0h

    06:05

    ROS

    --T-T-S

  25. DL665

    Delta Air Lines

    13:00

    ONT

    4.2h

    20:10

    ATL

    SMTWTFS
    Search

  26. LA2483

    LATAM Airlines

    23:20

    ATL

    6.7h

    05:00

    LIM

    SMTWTFS

  27. LA2432

    LATAM Airlines

    00:05

    LIM

    4.0h

    06:05

    ROS

    --T-T-S

  28. AA2635

    American Airlines

    14:54

    ONT

    2.9h

    19:47

    DFW

    SMTWTFS
    Search

  29. AA997

    American Airlines

    20:40

    DFW

    10.5h

    09:10

    EZE

    SMTWTFS

  30. AR1718

    Aerolineas Argentinas

    17:45

    AEP

    1.0h

    18:45

    ROS

    ---W--S
Find more flights and airlines

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

These price trend charts carefully monitor and predict how flight prices from Ontario to Rosario 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 Ontario (ONT) to Rosario (ROS) the cheapest?

    Airlines adjust prices for flights from Ontario to Rosario 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 Ontario (ONT) to Rosario (ROS) cost?

    According to Trip.com's data, the lowest price is around AED 4,665.

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

    • The distance from Rosario - Islas Malvinas International Airport to downtown is about 12 km, by taxi about 30 minutes.

  • How many airports are there in Rosario (ROS)?

    There are 1 airport(s) near Rosario (ROS): Rosario - Islas Malvinas International Airport.

How to find a cheap flight from Ontario to Rosario

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 | Ontario to Rosario

Flight distance7,317.49 km
Popular airlineDelta Air Lines

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