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Detroit to Ontario Flights (DTW-ONT) in December 2026

Detroit (DTW) → Ontario (ONT)

Detroit (DTW) to Ontario (ONT) in December 2026

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Finding fares for December and January…

Detroit (DTW) to Ontario (ONT) by month

November 2026
December 2026
January 2027
February 2027
March 2027
April 2027
May 2027
June 2027
July 2027
August 2027
September 2027
October 2027

Other Options for This Route

ONT destination

Economy Roundtrip to Ontario (ONT)

Detroit (DTW) to Ontario (ONT) in August

Other Destinations

FLL destination

Economy Roundtrip to Fort Lauderdale (FLL)

Detroit (DTW) to Fort Lauderdale (FLL) in December

LAS destination

Economy Roundtrip to Las Vegas (LAS)

Detroit (DTW) to Las Vegas (LAS) in December

EWR destination

Economy Roundtrip to Newark (EWR)

Detroit (DTW) to Newark (EWR) in December

PHXA destination

Economy Roundtrip to Phoenix (Any)

Detroit (DTW) to Phoenix (Any) in December

JFK destination

Economy Roundtrip to New York (JFK)

Detroit (DTW) to New York (JFK) in December

RSW destination

Economy Roundtrip to Fort Myers (RSW)

Detroit (DTW) to Fort Myers (RSW) in December

Flights from Other Cities

ONT destination

Economy One-way to Ontario (ONT)

Atlanta (ATL) to Ontario (ONT) in September

ONT destination

Economy Roundtrip to Ontario (ONT)

Dallas (DFW) to Ontario (ONT) in October

Cheap economy Class Flights from Detroit (DTW) to Ontario (ONT) December

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Why Choose Economy Class Flights from Detroit (DTW) to Ontario (ONT)?

Fares across the airlines on the route in one search
Nonstop and connecting flights side by side
A month of fares at a glance for december travel
Price alerts: we watch the fare and alert you when it drops

Planning a trip from Detroit (DTW) to Ontario (ONT) in december? SlickTrip shows the cheapest economy fares across airlines, nonstop or with stops. Set an alert and we watch the route for you, then email you when the price drops. Booking happens on the airline's or travel site's own page.