$670 Cheap Flights from Detroit (DTW) to Monrovia (ROB)

View $670 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Monrovia (ROB-Roberts Intl.)

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Cheap Flights from Detroit to Monrovia (DTW-ROB)

Prices were available within the past 7 days and start at $670 for one-way flights and $1,009 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 13 - Wed, Feb 25
DTW
Detroit
ROB
Monrovia
$1,009 Roundtrip, found 3 hours ago
$1,009
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 13 from Detroit to Monrovia, returning Wed, Feb 25, priced at $1,009 found 3 hours ago
United
Tue, Jan 13 - Wed, Feb 25
DTW
Detroit
ROB
Monrovia
$1,014 Roundtrip, found 3 hours ago
$1,014
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 13 from Detroit to Monrovia, returning Wed, Feb 25, priced at $1,014 found 3 hours ago
United
Tue, Jan 13 - Wed, Feb 25
DTW
Detroit
ROB
Monrovia
$1,014 Roundtrip, found 3 hours ago
$1,014
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 13 from Detroit to Monrovia, returning Wed, Feb 25, priced at $1,014 found 3 hours ago
United
Wed, Jan 14 - Wed, Jan 28
DTW
Detroit
ROB
Monrovia
$1,020 Roundtrip, found 4 hours ago
$1,020
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Jan 14 from Detroit to Monrovia, returning Wed, Jan 28, priced at $1,020 found 4 hours ago
United
Thu, Mar 5 - Wed, Mar 18
DTW
Detroit
ROB
Monrovia
$1,028 Roundtrip, found 6 days ago
$1,028
Roundtrip
found 6 days ago
Select United flight, departing Thu, Mar 5 from Detroit to Monrovia, returning Wed, Mar 18, priced at $1,028 found 6 days ago
United
Tue, Jan 13 - Wed, Feb 25
DTW
Detroit
ROB
Monrovia
$1,051 Roundtrip, found 3 hours ago
$1,051
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 13 from Detroit to Monrovia, returning Wed, Feb 25, priced at $1,051 found 3 hours ago
Brussels Airlines
Tue, Jan 13 - Wed, Feb 25
DTW
Detroit
ROB
Monrovia
$1,059 Roundtrip, found 3 hours ago
$1,059
Roundtrip
found 3 hours ago
Select Brussels Airlines flight, departing Tue, Jan 13 from Detroit to Monrovia, returning Wed, Feb 25, priced at $1,059 found 3 hours ago
Air Canada
Sun, Mar 29 - Sun, Apr 19
DTW
Detroit
ROB
Monrovia
$1,211 Roundtrip, found 5 days ago
$1,211
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Mar 29 from Detroit to Monrovia, returning Sun, Apr 19, priced at $1,211 found 5 days ago
Delta
Wed, Nov 19 - Thu, Dec 4
DTW
Detroit
ROB
Monrovia
$1,672 Roundtrip, found 6 days ago
$1,672
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 19 from Detroit to Monrovia, returning Thu, Dec 4, priced at $1,672 found 6 days ago
American Airlines
Wed, Jan 14 - Wed, Jan 28
DTW
Detroit
ROB
Monrovia
$1,976 Roundtrip, found 4 hours ago
$1,976
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jan 14 from Detroit to Monrovia, returning Wed, Jan 28, priced at $1,976 found 4 hours ago

Alternative airports near Monrovia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Roberts Intl. ROB. Cheapest option available. Average driving time to city center is 49 minutes. Flights from $1,334
ROB
Roberts Intl.
Cheapest
Average driving time to city center49 min
Flights from $1,334
Flights from Detroit (DTW) to Monrovia (ROB)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Roberts Intl.
Airlines serving
American Airlines, Brussels Airlines, Delta, United
Roundtrip price
$1,009
Distance
5060 mi

Detroit to Monrovia Flights

The cheapest times to fly from Detroit to Monrovia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Monrovia are during the month of January. You can find some of the cheapest flights from Detroit to Monrovia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Monrovia

Sunday is one of the best days to book for cheap flights from Detroit to Monrovia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Monrovia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Monrovia in 2025. You can also book with separate airlines for your outbound and return journeys, from $670 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Monrovia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Monrovia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB) cost?
Snag a cheap one-way flight from $670 or cheap return flight from $1,009 from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB)?
The cheapest month to fly from DTW to ROB is January, when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DTW to ROB flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB)?
You'll need to book a flight with a layover when traveling from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from DTW to ROB?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB)?
To reach Roberts Intl. Airport (ROB) on schedule, book a flight that leaves Detroit Metropolitan Wayne County Airport (DTW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB) last-minute?
Last-minute fares from DTW to ROB are typically more expensive. To lock in the lowest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your journey.
Is it cheaper to book a DTW to ROB flight and hotel package?
Securing a DTW to ROB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Roberts Intl. Airport (ROB)?
Typically, it's possible to reschedule or cancel your DTW to ROB flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.