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 $336 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $336/RT are provided by Cheapoair.com. Outbound flight is leaving on 11/23/2021, 07:00 am from Reagan National (DCA) airport and arrives at Ontario Int`l (ONT) at 04:07 pm. The flight time is 9 hours and 7 minutes. The Returning flight departes on 11/29/2021, 10:00 pm (other return dates are also available). Date posted: 25 Sep 2021

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

  • $336Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)11/23/202107:00 am
    Ontario, CA (ONT)Washington DC, DC (DCA)11/29/202110:00 pm
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  • $357Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)11/23/202111:05 am
    Ontario, CA (ONT)Washington DC, DC (IAD)11/29/202110:00 pm
    cheapoair.com check price
  • $578Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)11/23/202107:00 am
    Ontario, CA (ONT)Washington DC, DC (DCA)11/29/202101:15 pm
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  • $599Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)11/23/202111:05 am
    Ontario, CA (ONT)Washington DC, DC (IAD)11/29/202101:15 pm
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  • $224Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)11/19/202101:14 pm
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  • $337Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Ontario, CA (ONT)11/19/202107:05 pm
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  • $347Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Washington DC, DC (DCA)Ontario, CA (ONT)11/19/202108:00 am
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Specify your search details. Browse the cheapest flights from Washington DC to Ontario, Ontario hotel rooms and Washington DC to Ontario vacation packages from the most popular providers, airline consolidators and travel search engines.

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 Tongva [...]
Ontario Sightseeing Ontario - a magical city Ontario has something in store for all the vacationers that can give them a mesmerizing experience. Historically well known as “Sportsman’s paradise”, Ontario has ultra modern amenities for various [...]
Ontario Nightlife Ontario has been noted for its unmatchable nightlife throughout the world. When the sun sets, the city starts radiating with an overweening vigor. All the travelers who have a taste for nightlife swear that Ontario is a city where life starts [...]

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