
$49 Cheap flight deals from Detroit (DTT) to Merrillville (RFD)
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This Weekend's Flight Deals from Detroit to Merrillville
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $49 One Way, $97 Round Trip from Detroit to Merrillville
Prices starting at $97 for return flights and $49 for one-way flights to Merrillville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Merrillville economy flight packages

The Westin Michigan Avenue Chicago
Dec 14 - Dec 16
Detroit (DTT) to Chicago (ORD)
Reviewed on Oct 18, 2025

Park Hyatt Chicago
Dec 31 - Jan 2
Detroit (DTW) to Chicago (ORD)
Reviewed on Sep 13, 2024

More About Flying To Merrillville from Detroit
Route Information for Flights from Detroit to Merrillville
Origin Airport IATA Code | DTT |
|---|---|
Destination Airport IATA Code | RFD |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Detroit to Merrillville
Orbitz is your one-stop source for great online deals on {origin.name} to Merrillville flights. With our cutting-edge mobile tools and low fares, you are never far from finding fantastic savings on flights from Detroit to Merrillville.
Unbeatable Deals for Flights From Detroit to Merrillville
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Easy Flight Cancellation
In most cases, you can cancel flights from Detroit to Merrillville online with the same ease as you booked them.
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.




