Cheap flights from Ontario to Detroit
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Check our current prices for flights from Ontario to Detroit. 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 Ontario to Detroit, you will need to run a search below.
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Cheap Detroit airfares from $300/RT are provided by Cheapoair.com. Outbound flight is leaving on 06/04/2025, 12:59 am from Ontario Int`l (ONT) airport and arrives at Detroit Wayne Co (DTW) at 12:41 am. The flight time is -1 hours and -18 minutes. The Returning flight departes on 06/10/2025, 09:54 pm (other return dates are also available). Date posted: 23 Feb 2025
Price evolution for flights From Ontario To Detroit

Recent Deals on Flights from Ontario to Detroit:Roundtrip / Oneway
- $300
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/04/2025 12:59 am Detroit, MI (DTW) Ontario, CA (ONT) 06/10/2025 09:54 pm - $465
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/11/2025 01:19 pm Detroit, MI (DTW) Ontario, CA (ONT) 06/18/2025 01:00 pm - $470
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/10/2025 07:58 pm Detroit, MI (DTW) Ontario, CA (ONT) 06/17/2025 01:03 pm - $570
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 05/14/2025 12:16 pm Detroit, MI (DTW) Ontario, CA (ONT) 05/27/2025 06:00 am - $745
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/11/2025 01:19 pm Detroit, MI (DTW) Ontario, CA (ONT) 06/18/2025 09:54 pm - $96
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 05/07/2025 01:19 pm - $101
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/03/2025 07:58 pm - $360
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 06/10/2025 01:19 pm - $360
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Detroit, MI (DTW) 05/27/2025 01:19 pm
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Know what to do when flying to Detroit?
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