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Find the best flight to Ontario

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Great deals to Ontario

We’ve searched 100s of deals recently found by travellers.*
Washington DC, DC (WAS) Ontario, CA (ONT)
Fri, 1/2 - Wed, 6/2
American Airlines - 1 Stop, Roundtrip, Economy
US$336
Washington DC, DC (WAS) Ontario, CA (ONT)
Thu, 31/1 - Wed, 6/2
American Airlines - 1 Stop, Roundtrip, Economy
US$367
Washington DC, DC (WAS) Ontario, CA (ONT)
Tue, 19/2 - Tue, 26/2
Alaska Airlines - 1 Stop, Roundtrip, Economy
US$379
Washington DC, DC (WAS) Ontario, CA (ONT)
Mon, 11/2 - Thu, 21/2
United Airlines - 1 Stop, Roundtrip, Economy
US$393
Washington DC, DC (WAS) Ontario, CA (ONT)
Wed, 9/1 - Tue, 15/1
Alaska Airlines - 1 Stop, Roundtrip, Economy
US$399
Washington DC, DC (WAS) Ontario, CA (ONT)
Tue, 8/1 - Wed, 16/1
Alaska Airlines - 1 Stop, Roundtrip, Economy
US$418
Washington DC, DC (WAS) Ontario, CA (ONT)
Mon, 14/1 - Wed, 23/1
Alaska Airlines - 1 Stop, Roundtrip, Economy
US$418
Washington DC, DC (WAS) Ontario, CA (ONT)
Wed, 6/2 - Wed, 13/2
Alaska Airlines - 1 Stop, Roundtrip, Economy
US$418
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.
Best value hotels in Ontario
Comfort Suites Ontario Convention Center
Comfort Suites Ontario Convention Center
565 Reviews
Ontario, CA
from
Hampton Inn & Suites Ontario
Hampton Inn & Suites Ontario
540 Reviews
Ontario, CA
from
Residence Inn Ontario Airport
Residence Inn Ontario Airport
426 Reviews
Ontario, CA
from

Flight stats for Ontario - did you know?

  • Ontario Intl Airport is the closest major airport to Ontario.
  • Ontario Intl Airport (Ontario, CA)
    • Right now, 15 airlines operate out of Ontario Intl Airport.
    • Ontario Intl Airport offers nonstop flights to 16 cities.
    • Every week, at least 334 domestic flights and 8 international flights depart from Ontario Intl Airport.
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