What is the cheapest airline that flies from Washington, D.C. to Monrovia Roberts Intl?

Royal Air Maroc, Ethiopian Air, and SWISS are the most popular carriers operating from Washington, D.C. to Monrovia Roberts Intl

How long does it take to fly to Monrovia?

The flight from Washington, D.C. to Monrovia depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Monrovia (the most popular airport in Monrovia), then the flight time is 16h 40m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Monrovia, then the average flight time is 28h 40m.

What airlines fly to Monrovia?

Ethiopian Air, Brussels Airlines and Royal Air Maroc are the top three most popular airlines that fly to Monrovia from Washington, D.C. according to our data. Ethiopian Air is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Monrovia. Keep in mind that there are 4 different airlines that fly to Monrovia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Monrovia Roberts Intl Airport?

Prices for flights from Washington, D.C. to Monrovia Roberts Intl Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to Monrovia Roberts Intl Airport?

As of August 2026, there are 4 operators available to choose from for flights from Washington, D.C. to Monrovia Roberts Intl Airport.

How old do you have to be to fly from Washington, D.C. to Monrovia Roberts Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Monrovia Roberts Intl Airport.

What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?

The necessary travel and health documents for your Monrovia Roberts Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$833 Cheap Flights from Washington, D.C. to Monrovia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Monrovia

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10:00 am - 2:45 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

23h 45m1 stop Addis Ababa Bole

11:05 am - 8:00 amROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

25h 55m2 stops Addis Ababa Bole Rome Fiumicino

$1,109Ethiopian Air

Tue, Nov 10 - Thu, Nov 26

10:55 am - 2:45 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

23h 50m1 stop Addis Ababa Bole

11:05 am - 9:00 amROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

25h 55m2 stops Addis Ababa Bole Rome Fiumicino

$1,139Ethiopian Air

Fri, Oct 23 - Mon, Oct 26

9:00 pm - 4:35 amIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

27h 35m1 stop Casablanca Mohamed V

5:45 am - 7:00 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

17h 15m1 stop Casablanca Mohamed V

$1,141Royal Air Maroc

Fri, Sep 25 - Sun, Oct 11

9:05 pm - 2:25 amIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

24h 20m1 stop Casablanca Mohamed V

3:25 am - 7:05 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

20h 40m1 stop Casablanca Mohamed V

$1,158Royal Air Maroc

Wed, Dec 9 - Tue, Dec 22

10:55 am - 2:45 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

23h 50m1 stop Addis Ababa Bole

7:30 am - 8:05 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

16h 35m2 stops Accra Kotoka Lome

$1,206Multiple Airlines

Fri, Oct 23 - Mon, Oct 26

9:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

16h 30m2 stops Lome Accra Kotoka

11:05 am - 8:55 amROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

25h 50m2 stops Addis Ababa Bole Rome Fiumicino

$1,221Multiple Airlines

Sat, Sep 12 - Tue, Sep 22

5:40 pm - 7:50 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

22h 10m2 stops Brussels Bruxelles-National Freetown Lungi Intl

9:10 pm - 2:20 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

21h 10m1 stop Brussels Bruxelles-National

$1,314United Airlines

Mon, Aug 24 - Tue, Sep 8

5:40 pm - 7:50 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

22h 10m2 stops Brussels Bruxelles-National Freetown Lungi Intl

9:10 pm - 2:20 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

21h 10m1 stop Brussels Bruxelles-National

$1,314United Airlines

Mon, Aug 24 - Wed, Sep 9

5:45 pm - 9:15 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

22h 30m2 stops Brussels Bruxelles-National Freetown Lungi Intl

10:45 pm - 2:30 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

20h 45m1 stop Brussels Bruxelles-National

$1,372Brussels Airlines

Wed, Nov 11 - Thu, Nov 26

5:45 pm - 7:50 pmIAD Washington, D.C. Dulles Intl-ROB Monrovia Roberts Intl

22h 05m2 stops Brussels Bruxelles-National Freetown Lungi Intl

9:10 pm - 2:20 pmROB Monrovia Roberts Intl-IAD Washington, D.C. Dulles Intl

21h 10m1 stop Brussels Bruxelles-National

$1,434Brussels Airlines

Sat, Sep 12 - Tue, Sep 22

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Ethiopian Air flights from Washington, D.C. to Monrovia

Our best Ethiopian Air deals on Washington, D.C. to Monrovia flight tickets

Ethiopian Air

Oct 23

IAD10:55 amWashington, D.C. Dulles Intl

23h 50m

1 stop

ROB2:45 pmMonrovia Roberts Intl

Oct 26

ROB11:05 amMonrovia Roberts Intl

25h 55m

2 stops

IAD9:00 amWashington, D.C. Dulles Intl

$1,139

Ethiopian Air

Oct 23

IAD10:55 amWashington, D.C. Dulles Intl

23h 50m

1 stop

ROB2:45 pmMonrovia Roberts Intl

Oct 26

ROB11:05 amMonrovia Roberts Intl

25h 55m

2 stops

IAD9:00 amWashington, D.C. Dulles Intl

$1,148

Ethiopian Air

Aug 22

IAD10:55 amWashington, D.C. Dulles Intl

23h 50m

1 stop

ROB2:45 pmMonrovia Roberts Intl

Sep 7

ROB11:05 amMonrovia Roberts Intl

25h 50m

2 stops

IAD8:55 amWashington, D.C. Dulles Intl

$1,150

Royal Air Maroc flights from Washington, D.C. to Monrovia

Our best Royal Air Maroc deals on Washington, D.C. to Monrovia flight tickets

Royal Air Maroc

Sep 25

IAD9:00 pmWashington, D.C. Dulles Intl

27h 35m

1 stop

ROB4:35 amMonrovia Roberts Intl

Oct 11

ROB5:45 amMonrovia Roberts Intl

17h 15m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

$1,141

Royal Air Maroc

Sep 16

IAD9:00 pmWashington, D.C. Dulles Intl

27h 35m

1 stop

ROB4:35 amMonrovia Roberts Intl

Oct 16

ROB5:45 amMonrovia Roberts Intl

17h 15m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

$1,142

Royal Air Maroc

Sep 11

IAD9:00 pmWashington, D.C. Dulles Intl

27h 35m

1 stop

ROB4:35 amMonrovia Roberts Intl

Sep 25

ROB5:45 amMonrovia Roberts Intl

17h 15m

1 stop

IAD7:00 pmWashington, D.C. Dulles Intl

$1,177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Tue 11/10

10:00 am-2:45 pm

1 stop23h 45m

Monrovia Roberts Intl

Thu 11/26

11:05 am-8:00 am

2 stops25h 55m

$1,109

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Fri 10/23

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Mon 10/26

11:05 am-9:00 am

2 stops25h 55m

$1,139

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Fri 9/25

9:00 pm-4:35 am

1 stop27h 35m

Monrovia Roberts Intl

Sun 10/11

5:45 am-7:00 pm

1 stop17h 15m

$1,141

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Wed 12/9

9:05 pm-2:25 am

1 stop24h 20m

Monrovia Roberts Intl

Tue 12/22

3:25 am-7:05 pm

1 stop20h 40m

$1,158

Quickest round-trip

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Fri 10/23

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Mon 10/26

7:30 am-8:05 pm

2 stops16h 35m

$1,206

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Sat 9/12

9:20 pm-5:50 pm

2 stops16h 30m

Monrovia Roberts Intl

Tue 9/22

11:05 am-8:55 am

2 stops25h 50m

$1,221

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Mon 8/24

5:40 pm-7:50 pm

2 stops22h 10m

Monrovia Roberts Intl

Tue 9/8

9:10 pm-2:20 pm

1 stop21h 10m

$1,314

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Mon 8/24

5:40 pm-7:50 pm

2 stops22h 10m

Monrovia Roberts Intl

Wed 9/9

9:10 pm-2:20 pm

1 stop21h 10m

$1,314

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Wed 11/11

5:45 pm-9:15 pm

2 stops22h 30m

Monrovia Roberts Intl

Thu 11/26

10:45 pm-2:30 pm

1 stop20h 45m

$1,372

Washington, D.C.Monrovia

IAD Washington, D.C. Dulles Intl - ROB Monrovia Roberts Intl

IADROB

Washington, D.C. Dulles Intl

Sat 9/12

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Tue 9/22

9:10 pm-2:20 pm

1 stop21h 10m

$1,434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Monrovia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Monrovia?

Prices are currently low for flights on this route.

Typical prices usually range from $1,544 to $1,641.
The lowest price recently found on this route was $1,139.

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in April, then October is your next best option. Flight prices from Washington, D.C. to Monrovia during October average around $1,159.

How far in advance should I book a flight from Washington, D.C. to Monrovia?

You are more likely to see cheaper flights to Monrovia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Monrovia for around $1,371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Monrovia from Washington, D.C. for as low as $1,059 on momondo.

Can stopping save me money on Washington, D.C. to Monrovia flights?

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. to Monrovia flight.

When to book flights from Washington, D.C. to Monrovia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Monrovia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Monrovia (WAS to ROB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Monrovia

Fastest flight time	16h 00m
Direct flights	None

The fastest flight from Washington, D.C. to Monrovia takes 16h 00m

There are no direct flights from Washington, D.C. to Monrovia. There are no popular flight routes from Washington, D.C. to Monrovia.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Monrovia

How far is Washington, D.C. to Monrovia Roberts Intl by plane?
Washington, D.C. and Monrovia Roberts Intl are 4669.5 mi apart from one another. In terms of flight time, this usually takes a little over 16h 00m.
When did momondo last update prices for flights from Washington, D.C. to Monrovia Roberts Intl Airport?
Prices for flights from Washington, D.C. to Monrovia Roberts Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Monrovia Roberts Intl Airport?
As of August 2026, there are 4 operators available to choose from for flights from Washington, D.C. to Monrovia Roberts Intl Airport.
How old do you have to be to fly from Washington, D.C. to Monrovia Roberts Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Monrovia Roberts Intl Airport.
What documentation or ID do you need to fly to Monrovia Roberts Intl Airport?
The necessary travel and health documents for your Monrovia Roberts Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Monrovia?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Monrovia is Ethiopian Air (57% of total bookings). The next most popular airlines are Brussels Airlines (21%), United Airlines (13%), and Royal Air Maroc (8%).

Best airlines flying from Washington, D.C. to Monrovia

Compare and see reviews for airlines that fly from Washington, D.C. to Monrovia with momondo

Airline	Rating	Free Cancellation	Price
Royal Air Maroc	PriceFrom $986	Free Cancellation	Rating 6.2 627 reviews	Search Royal Air Maroc flights
Ethiopian Air	PriceFrom $1,050	Free Cancellation	Rating 7.2 1,016 reviews	Search Ethiopian Air flights
United Airlines	PriceFrom $1,104	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $1,112	Free Cancellation	Rating 7.3 431 reviews	Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Monrovia?

Finding the right flight to Monrovia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Monrovia quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Monrovia with flexible booking policies on momondo?

Yes. All flights to Monrovia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Monrovia?

momondo helps you find the best flight between Washington, D.C. and Monrovia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Monrovia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Monrovia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington, D.C. to Monrovia from $833

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Monrovia departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Ethiopian Air flights from Washington, D.C. to Monrovia

Our best Ethiopian Air deals on Washington, D.C. to Monrovia flight tickets

Royal Air Maroc flights from Washington, D.C. to Monrovia

Our best Royal Air Maroc deals on Washington, D.C. to Monrovia flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to Monrovia

What is the typical price of a round-trip flight between Washington, D.C. and Monrovia?

What is the cheapest month to fly to Monrovia?

How far in advance should I book a flight from Washington, D.C. to Monrovia?

Can stopping save me money on Washington, D.C. to Monrovia flights?

What is the cheapest airline that flies from Washington, D.C. to Monrovia Roberts Intl?

What airlines fly to Monrovia?

How long does it take to fly to Monrovia?

When to book flights from Washington, D.C. to Monrovia

Cheap Washington, D.C. to Monrovia (WAS to ROB) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Monrovia

Best airlines flying from Washington, D.C. to Monrovia

Compare and see reviews for airlines that fly from Washington, D.C. to Monrovia with momondo

Why use momondo?

An easier way to manage your Monrovia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Liberia

Fly your favorite airline to Monrovia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Monrovia

List of cabin classes available on flights landing in Monrovia. Availability may vary depending on flight origin and airline.

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