Cheap flights from Washington DC to Ontario

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Check our current prices for flights from Washington DC to Ontario. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Washington DC to Ontario, you will need to run a search below.

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From $200 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $200/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/01/2024, 07:00 am from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 03:49 pm. The flight time is 8 hours and 49 minutes. The Returning flight departes on 03/12/2024, 10:50 pm (other return dates are also available). Date posted: 23 Jan 2024

Price evolution for flights From Washington DC To Ontario

Price overview for flights from Washington DC to Ontario

Recent Deals on Flights from Washington DC to Ontario:Roundtrip / Oneway

  • $200Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/01/202407:00 am
    Ontario, CA (ONT)Washington DC, DC (DCA)03/12/202410:50 pm
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  • $227Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/01/202407:00 am
    Ontario, CA (ONT)Washington DC, DC (DCA)03/12/202409:40 pm
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  • $298Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/17/202406:43 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)04/01/202407:19 pm
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  • $298Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/05/202407:00 am
    Ontario, CA (ONT)Washington DC, DC (DCA)03/11/202407:27 am
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  • $318Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/17/202406:43 pm
    Ontario, CA (ONT)Washington DC, DC (DCA)04/01/202407:27 am
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  • $105Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)04/10/202412:46 pm
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  • $120Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/15/202401:46 pm
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  • $500Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/23/202406:43 pm
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  • $696Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)03/22/202407:00 pm
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  • $736Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)03/23/202405:55 pm
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Know what to do when flying to Ontario?

Ontario Travel Guide A city in the San Bernardino County in California, Ontario offers wonderful living conditions for its residents. Over the years its reputation as a significant tourist attraction has also grown considerably. The city got the name of Ontario [...]
Ontario History   Ontario City is situated in the San Bernardino County (California) which is in United States. According to 2000 census, recorded population in Ontario was 170,373. The lands of Ontario were earlier used for foraging and hunting by the [...]
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