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Find the best flight to Irwindale

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Great deals to Ontario
We’ve searched 100s of deals recently found by travelers.*
Washington DC, DC (WAS) Ontario, CA (ONT)
Wed, 10/3 - Sat, 10/13
Frontier Airlines - 1 Stop, Roundtrip, Economy
$216
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Washington DC, DC (WAS) Ontario, CA (ONT)
Tue, 10/2 - Sat, 10/13
Frontier Airlines - 1 Stop, Roundtrip, Economy
$216
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Washington DC, DC (WAS) Ontario, CA (ONT)
Tue, 10/9 - Sat, 10/20
Frontier Airlines - 1 Stop, Roundtrip, Economy
$226
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Washington DC, DC (WAS) Ontario, CA (ONT)
Thu, 10/11 - Sat, 10/20
Frontier Airlines - 1 Stop, Roundtrip, Economy
$269
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Washington DC, DC (WAS) Ontario, CA (ONT)
Fri, 10/12 - Sat, 10/20
Frontier Airlines - 1 Stop, Roundtrip, Economy
$269
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Washington DC, DC (WAS) Ontario, CA (ONT)
Mon, 10/1 - Fri, 10/5
Frontier Airlines - 1 Stop, Roundtrip, Economy
$279
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Washington DC, DC (WAS) Ontario, CA (ONT)
Sun, 12/2 - Fri, 12/14
American Airlines - 1 Stop, Roundtrip, Economy
$327
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Washington DC, DC (WAS) Ontario, CA (ONT)
Fri, 10/5 - Sat, 10/13
Multiple Airlines - 1 Stop, Roundtrip, Economy
$391
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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 travelers 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.
Flight stats for Irwindale - did you know?
  • Irwindale is 19 mi from Ontario Intl Airport (Ontario, CA).
  • 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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