$784 Cheap Flights from Washington (IAD) to Monrovia (MLW)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Monrovia (MLW-Spriggs Payne)

Find available prices by choosing your travel dates.

Cheap Flights from Washington to Monrovia (IAD-MLW)

Prices were available within the past 7 days and start at $784 for one-way flights and $1,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ethiopian Airlines
Ethiopian Airlines
Ethiopian Airlines
Ethiopian Airlines
Ethiopian Airlines
Ethiopian Airlines
Royal Air Maroc
British Airways
Brussels Airlines
United
Flights from Washington (IAD) to Monrovia (ROB)
Origin airport
Washington Dulles Intl.
Destination airport
Roberts Intl.
Roundtrip price
$1,090
Distance
4721 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 October. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $784 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

Is it cheaper to buy a plane ticket from IAD to Spriggs Payne Airport (MLW) last minute?
When it’s time to book your flights, being prepared pays dividends. While it’s possible to find a deal on a Dulles Intl. Airport to Spriggs Payne Airport (MLW) flight at the last minute, tickets usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international travel it’s three to four months.
Can I change the date of my flight from IAD to James Spriggs Payne Airport?
We know life happens and plans change, so Expedia is here to help make amending your flight as easy as possible. To start, find your Dulles Intl. Airport to Spriggs Payne Airport (MLW) itinerary through the Expedia Trips portal and look up the ticket conditions and rules to see if change fees apply. If you booked in the last 24 hours, some airlines will allow you to cancel for free and organize new flights. If you booked your fare more than 24 hours ago, contact us via our Customer Service portal to find out what your options are.

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*Available to One Key members.