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

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

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 47% 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.

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 20h 17m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Monrovia, then the average flight time is 27h 40m.

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 June 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.

$731 Cheap Flights from Washington, D.C. to Monrovia in 2026

Q: 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 $1,626 to $1,772. The lowest price recently found on this route was $1,336.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 7:30 pm

IAD

ROB

42h 30m

3 stops

8:15 am - 3:40 pm

ROB

IAD

35h 25m

3 stops

$1,336Multiple Airlines

Wed, Sep 30 - Wed, Oct 21

5:45 pm - 7:50 pm

IAD

ROB

22h 05m

2 stops

9:10 pm - 1:30 pm

ROB

IAD

20h 20m

1 stop

$1,364United Airlines

Tue, Sep 22 - Tue, Sep 29

9:45 am - 7:50 pm

IAD

ROB

30h 05m

3 stops

9:10 pm - 2:15 pm

ROB

IAD

21h 05m

1 stop

$1,368Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

9:40 am - 7:50 pm

DCA

ROB

30h 10m

3 stops

9:10 pm - 3:40 pm

ROB

DCA

22h 30m

2 stops

$1,371Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

9:45 am - 7:50 pm

IAD

ROB

30h 05m

3 stops

9:10 pm - 3:00 pm

ROB

IAD

21h 50m

2 stops

$1,371Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

12:10 pm - 7:50 pm

BWI

ROB

27h 40m

3 stops

9:10 pm - 9:02 pm

ROB

BWI

27h 52m

2 stops

$1,379United Airlines

Tue, Sep 22 - Tue, Sep 29

11:57 am - 7:50 pm

DCA

ROB

27h 53m

3 stops

9:10 pm - 9:59 pm

ROB

DCA

28h 49m

2 stops

$1,379United Airlines

Tue, Sep 1 - Wed, Sep 30

8:20 pm - 7:50 pm

IAD

ROB

43h 30m

3 stops

9:10 pm - 2:15 pm

ROB

IAD

21h 05m

1 stop

$1,404SWISS

Wed, Sep 30 - Wed, Oct 21

8:16 am - 7:50 pm

BWI

ROB

31h 34m

3 stops

9:10 pm - 5:36 pm

ROB

BWI

24h 26m

2 stops

$2,085Brussels Airlines

Mon, Jul 13 - Tue, Jul 21

6:15 am - 7:50 pm

BWI

ROB

33h 35m

3 stops

9:10 pm - 5:36 pm

ROB

BWI

24h 26m

3 stops

$2,125SWISS

Mon, Jul 13 - Tue, Jul 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Washington, D.C. to Monrovia

Our best United Airlines deals on Washington, D.C. to Monrovia flight tickets

United Airlines

Sep 22

IAD5:45 pmWashington, D.C. Dulles Intl

22h 05m

2 stops

ROB7:50 pmMonrovia Roberts Intl

Sep 29

ROB9:10 pmMonrovia Roberts Intl

20h 20m

1 stop

IAD1:30 pmWashington, D.C. Dulles Intl

$1,364

United Airlines

Sep 1

DCA11:57 amWashington, D.C. Reagan-National

27h 53m

3 stops

ROB7:50 pmMonrovia Roberts Intl

Sep 30

ROB9:10 pmMonrovia Roberts Intl

28h 49m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$1,379

United Airlines

Sep 27

IAD5:50 pmWashington, D.C. Dulles Intl

46h 00m

3 stops

ROB7:50 pmMonrovia Roberts Intl

Oct 20

ROB9:10 pmMonrovia Roberts Intl

21h 05m

1 stop

IAD2:15 pmWashington, D.C. Dulles Intl

$1,380

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

Jul 8

IAD9:00 pmWashington, D.C. Dulles Intl

27h 35m

1 stop

ROB4:35 amMonrovia Roberts Intl

Oct 27

ROB3:25 amMonrovia Roberts Intl

20h 40m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$1,570

Royal Air Maroc

Jul 10

IAD9:00 pmWashington, D.C. Dulles Intl

27h 35m

1 stop

ROB4:35 amMonrovia Roberts Intl

Oct 27

ROB3:25 amMonrovia Roberts Intl

20h 40m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$1,608

Royal Air Maroc

Aug 20

DCA6:10 amWashington, D.C. Reagan-National

18h 25m

2 stops

ROB4:35 amMonrovia Roberts Intl

Aug 30

ROB5:45 amMonrovia Roberts Intl

45h 14m

2 stops

DCA10:59 pmWashington, D.C. Reagan-National

$1,794

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Wed 9/30

9:00 pm-7:30 pm

3 stops42h 30m

Monrovia Roberts Intl

Wed 10/21

8:15 am-3:40 pm

3 stops35h 25m

$1,336

Quickest round-trip

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 9/22

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-1:30 pm

1 stop20h 20m

$1,364

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 9/22

9:45 am-7:50 pm

3 stops30h 05m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-2:15 pm

1 stop21h 05m

$1,368

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Tue 9/22

9:40 am-7:50 pm

3 stops30h 10m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-3:40 pm

2 stops22h 30m

$1,371

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 9/22

9:45 am-7:50 pm

3 stops30h 05m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-3:00 pm

2 stops21h 50m

$1,371

BaltimoreMonrovia

BWI - ROB

BWIROB

Baltimore/Washington

Tue 9/22

12:10 pm-7:50 pm

3 stops27h 40m

Monrovia Roberts Intl

Tue 9/29

9:10 pm-9:02 pm

2 stops27h 52m

$1,379

Washington, D.C.Monrovia

DCA - ROB

DCAROB

Washington, D.C. Reagan-National

Tue 9/1

11:57 am-7:50 pm

3 stops27h 53m

Monrovia Roberts Intl

Wed 9/30

9:10 pm-9:59 pm

2 stops28h 49m

$1,379

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Wed 9/30

8:20 pm-7:50 pm

3 stops43h 30m

Monrovia Roberts Intl

Wed 10/21

9:10 pm-2:15 pm

1 stop21h 05m

$1,404

BaltimoreMonrovia

BWI - ROB

BWIROB

Baltimore/Washington

Mon 7/13

8:16 am-7:50 pm

3 stops31h 34m

Monrovia Roberts Intl

Tue 7/21

9:10 pm-5:36 pm

2 stops24h 26m

$2,085

BaltimoreMonrovia

BWI - ROB

BWIROB

Baltimore/Washington

Mon 7/13

6:15 am-7:50 pm

3 stops33h 35m

Monrovia Roberts Intl

Tue 7/21

9:10 pm-5:36 pm

3 stops24h 26m

$2,125

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?

What is the cheapest month to fly to Monrovia?

If you’re not able to fly to Monrovia in November, then April is your next best option. Flight prices from Washington, D.C. to Monrovia during April average around $937.

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 $1,359 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 21% 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	18h 25m
Direct flights	None

The fastest flight from Washington, D.C. to Monrovia takes 18h 25m

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 18h 25m.
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 June 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 (50% of total bookings). The next most popular airlines are Brussels Airlines (30%) and United Airlines (20%).

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 6.2 618 reviews	Search Royal Air Maroc flights
United Airlines	PriceFrom $1,045	Free Cancellation	Rating 7.4 9,875 reviews	Search United Airlines flights
Ethiopian Air	PriceFrom $1,050	Free Cancellation	Rating 7.2 1,007 reviews	Search Ethiopian Air flights
Brussels Airlines	PriceFrom $1,112	Free Cancellation	Rating 7.2 413 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 7/23

Thu 7/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Liberia

Airlines

Cabin classes

Other flights from Washington, D.C.

Complete your trip

Feeling lucky

Fly your favorite airline to Monrovia

Cheap flights from Washington, D.C. to Monrovia from $731

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Washington, D.C. to Monrovia

Our best United Airlines 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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Monrovia that are best for you.

See travel insights to Monrovia from

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

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

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.

Fly to other destinations from Washington, D.C.

According to popular flight searches on momondo this year

Complete your trip to Monrovia

Explore popular destinations other users love

According to popular flight searches on momondo this year