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Cheap Flights from DuBois to Ontario starting at S$ 421

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

  • One way
  • Round-trip

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

Cheapest time to fly from DuBois to Ontario

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from DuBois to Ontario

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Southern Airways Express, Llc
From S$ 421
ANA airlines

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Alternative Routes from DuBois to Ontario

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from DuBois to Ontario.

  • Cheapest
    Southern Airways Express, Llc
    DUJ
    06:25
    9h 17m
    2 transfer
    ONT
    12:42
    Dubois Regional Airport - Ontario International Airport
    Sat, Mar 30Southern Airways Express, Llc
    S$ 421
  • Southern Airways Express, Llc
    DUJ
    06:25
    9h 17m
    2 transfer
    ONT
    12:42
    Dubois Regional Airport - Ontario International Airport
    Sat, Mar 30Southern Airways Express, Llc
    S$ 421
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Frequently Asked Questions

  • When to buy flight tickets from DuBois (DUJ) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from DuBois to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from DuBois (DUJ) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around S$ 1,103.

Find cheapest flight ticket from DuBois to Ontario

Cheapest month

November