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Flights from Sioux City to Ontario
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Flights from Sioux City to Ontario Starting at €154

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

  • One way
  • Round-trip
      • SUX17:15
        8h 54m
        1 stop
        ONT00:09
        Thu, Feb 27|Sioux City - Ontario|United Airlines
        €154€380
        60% OFF
        60% OFF
        €380€154

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Thu, Feb 27, arriving at Ontario International Airport. One-way Prices start from €154 including taxes and charges.

      • SUX15:31
        10h 28m
        1 stop
        ONT23:59
        Thu, Apr 10|Sioux City - Ontario|United Airlines
        €155€380
        59% OFF
        59% OFF
        €380€155

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Thu, Apr 10, arriving at Ontario International Airport. One-way Prices start from €155 including taxes and charges.

      • SUX15:20
        10h 49m
        1 stop
        ONT00:09
        Sat, Mar 15|Sioux City - Ontario|United Airlines
        €157€380
        59% OFF
        59% OFF
        €380€157

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Sat, Mar 15, arriving at Ontario International Airport. One-way Prices start from €157 including taxes and charges.

      • SUX17:15
        21h 27m
        1 stop
        ONT12:42
        Tue, Mar 4|Sioux City - Ontario|United Airlines
        €256
        €256

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Tue, Mar 4, arriving at Ontario International Airport. One-way Prices start from €256 including taxes and charges.

      • SUX17:15
        5h 37m
        1 stop
        ONT20:52
        Wed, Feb 26|Sioux City - Ontario|United Airlines
        €274
        €274

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Wed, Feb 26, arriving at Ontario International Airport. One-way Prices start from €274 including taxes and charges.

      • SUX17:15
        8h 44m
        1 stop
        ONT23:59
        Mon, Feb 17|Sioux City - Ontario|United Airlines
        €334
        €334

        Choose United Airlines flights from Sioux City to Ontario. The one-way connecting flight with United Airlines departs from Sioux Gateway Airport on Mon, Feb 17, arriving at Ontario International Airport. One-way Prices start from €334 including taxes and charges.

      • SUX01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Sun, Feb 23|Sioux City - Ontario|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.

Sioux City to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA5077

    United Airlines

    10:00

    SUX

    1.7h

    11:40

    ORD

    SMTWTFS
    Search

  2. UA1878

    United Airlines

    12:45

    ORD

    5.0h

    15:45

    SFO

    SMTWTFS

  3. UA5587

    United Airlines

    17:00

    SFO

    1.5h

    18:31

    ONT

    SMTWTFS

  4. UA5118

    United Airlines

    17:15

    SUX

    1.8h

    18:04

    DEN

    SMTWTFS
    Search

  5. UA430

    United Airlines

    11:15

    DEN

    2.4h

    12:38

    ONT

    SMTWTFS

  6. UA5118

    United Airlines

    17:15

    SUX

    1.8h

    18:04

    DEN

    SMTWTFS
    Search

  7. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  8. UA5118

    United Airlines

    17:15

    SUX

    1.8h

    18:04

    DEN

    SMTWTFS
    Search

  9. F92907

    Frontier Airlines

    22:27

    DEN

    2.5h

    23:59

    ONT

    S-T-T--

  10. UA5118

    United Airlines

    17:15

    SUX

    1.8h

    18:04

    DEN

    SMTWTFS
    Search

  11. F93825

    Frontier Airlines

    22:22

    DEN

    2.5h

    23:54

    ONT

    ------S

  12. UA5118

    United Airlines

    17:15

    SUX

    1.8h

    18:04

    DEN

    SMTWTFS
    Search

  13. UA351

    United Airlines

    19:25

    DEN

    2.5h

    20:52

    ONT

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Sioux City to Ontario

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.

FAQ

  • When are flight tickets from Sioux City (SUX) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Sioux City 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 Sioux City (SUX) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around €370.

How to find a cheap flight from Sioux City to Ontario

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 Sioux City to Ontario. 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 Sioux City to Ontario

Cheapest nonstop flight price€153
Off-season for travelOctober
Flight distance10,531.27 km
Popular airlineUnited Airlines

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