$746 Cheap Flights from Washington (DCA) to Monrovia (ROB)

View $746 flight on Thu, May 21, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Monrovia (ROB-Roberts Intl.)

Cheap Flights from Washington to Monrovia (DCA-ROB)

Prices were available within the past 7 days and start at $746 for one-way flights and $1,114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Feb 1 - Wed, Feb 18
DCA
Washington
ROB
Monrovia
$1,114 Roundtrip, found 10 hours ago
$1,114
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Feb 1 from Washington to Monrovia, returning Wed, Feb 18, priced at $1,114 found 10 hours ago
Air Canada
Mon, Feb 23 - Sun, Mar 8
DCA
Washington
ROB
Monrovia
$1,155 Roundtrip, found 20 hours ago
$1,155
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Mon, Feb 23 from Washington to Monrovia, returning Sun, Mar 8, priced at $1,155 found 20 hours ago
United
Mon, Feb 23 - Fri, Mar 6
DCA
Washington
ROB
Monrovia
$1,159 Roundtrip, found 20 hours ago
$1,159
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Feb 23 from Washington to Monrovia, returning Fri, Mar 6, priced at $1,159 found 20 hours ago
United
Sun, Feb 1 - Fri, Feb 20
DCA
Washington
ROB
Monrovia
$1,164 Roundtrip, found 10 hours ago
$1,164
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Feb 1 from Washington to Monrovia, returning Fri, Feb 20, priced at $1,164 found 10 hours ago
Air Canada
Mon, Jan 19 - Sun, Feb 8
DCA
Washington
ROB
Monrovia
$1,180 Roundtrip, found 20 hours ago
$1,180
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Mon, Jan 19 from Washington to Monrovia, returning Sun, Feb 8, priced at $1,180 found 20 hours ago
United
Sun, Mar 1 - Sun, Mar 15
DCA
Washington
ROB
Monrovia
$1,188 Roundtrip, found 5 hours ago
$1,188
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Mar 1 from Washington to Monrovia, returning Sun, Mar 15, priced at $1,188 found 5 hours ago
United
Mon, Mar 30 - Fri, May 8
DCA
Washington
ROB
Monrovia
$1,190 Roundtrip, found 3 hours ago
$1,190
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Mar 30 from Washington to Monrovia, returning Fri, May 8, priced at $1,190 found 3 hours ago
Delta
Tue, Feb 3 - Mon, Apr 6
DCA
Washington
ROB
Monrovia
$1,879 Roundtrip, found 2 days ago
$1,879
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 3 from Washington to Monrovia, returning Mon, Apr 6, priced at $1,879 found 2 days ago
Kenya Airways
Wed, Jan 28 - Mon, Feb 2
DCA
Washington
ROB
Monrovia
$1,924 Roundtrip, found 15 hours ago
$1,924
Roundtrip
found 15 hours ago
Select Kenya Airways flight, departing Wed, Jan 28 from Washington to Monrovia, returning Mon, Feb 2, priced at $1,924 found 15 hours ago
American Airlines
Thu, Aug 20 - Fri, Aug 21
DCA
Washington
ROB
Monrovia
$1,974 Roundtrip, found 3 days ago
$1,974
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 20 from Washington to Monrovia, returning Fri, Aug 21, priced at $1,974 found 3 days ago

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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 $1,873
ROB
Roberts Intl.
Cheapest
Average driving time to city center49 min
Flights from $1,873
Flights from Washington (DCA) to Monrovia (ROB)
Origin airport
Ronald Reagan Washington National
Destination airport
Roberts Intl.
Airlines serving
Air Canada, American Airlines, Delta, Kenya Airways, United
Roundtrip price
$1,114
Distance
4698 mi

Washington to Monrovia Flights

The cheapest times to fly from Washington 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 Washington to Monrovia are during the month of February. You can find some of the cheapest flights from Washington to Monrovia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Monrovia

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Monrovia in 2026. You can also book with separate airlines for your outbound and return journeys, from $746 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 Washington 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 Washington 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 Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB) cost?
Snag a cheap one-way flight from $746 or cheap return flight from $1,114 from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB)?
February is the most affordable month to fly from DCA to ROB. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DCA to ROB flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB)?
There are no daily direct flights departing from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from DCA to ROB?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB) last-minute?
Waiting until just before your departure to book a ticket from DCA to ROB often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a DCA to ROB flight and hotel package?
Securing a DCA to ROB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Roberts Intl. Airport (ROB)?
In most cases, you can modify or cancel your DCA to ROB flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.