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Monrovia

$762+ Cheap flights from Dulles Intl (IAD) to Monrovia (ROB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ROB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Monrovia Roberts Intl are usually found in April or September, booked 7 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Dulles Intl to Monrovia

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Monrovia (ROB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$1,040
(oojo)

One-way from

$762
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$1,202
From Washington, D.C. Dulles Intl to Monrovia Roberts Intl
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One-way flight from Washington, D.C. Dulles Intl to Monrovia Roberts Intl
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Highest demand for flights based on searches. 8% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Monrovia

Cheapest flights from Dulles Intl to Monrovia
Explore the most affordable flight options available from Dulles Intl to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Tue 10/1411:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/15$1,040
This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Tue 10/2111:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/16$1,043
This Gurufare deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Thu 10/1611:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/15$1,061
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:00 amIAD - ROB
1 stop23h 45mEthiopian Air
Mon 11/1011:05 amROB - IAD
2 stops25h 55mEthiopian Air
Deal found 9/15$1,085
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:45 pmIAD - ROB
2 stops22h 05mBrussels Airlines
Tue 10/149:10 pmROB - IAD
1 stop21h 15mBrussels Airlines
Deal found 9/15$1,089
This Ethiopian Air deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:55 amIAD - ROB
1 stop23h 50mEthiopian Air
Sun 10/1911:05 amROB - IAD
2 stops25h 50mEthiopian Air
Deal found 9/15$1,091
This Ovago deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:45 pmIAD - ROB
1 stop22h 05mBrussels Airlines
Wed 10/159:10 pmROB - IAD
1 stop21h 15mBrussels Airlines
Deal found 9/15$1,094
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:45 pmIAD - ROB
2 stops22h 05mUnited Airlines
Wed 10/159:10 pmROB - IAD
1 stop21h 15mUnited Airlines
Deal found 9/15$1,095
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:21 amIAD - ROB
3 stops31h 29mUnited Airlines
Tue 10/149:10 pmROB - IAD
1 stop21h 15mUnited Airlines
Deal found 9/15$1,099
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:20 pmIAD - ROB
3 stops26h 30mUnited Airlines
Tue 10/149:10 pmROB - IAD
2 stops31h 11mUnited Airlines
Deal found 9/16$1,110
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:15 pmIAD - ROB
3 stops46h 35mUnited Airlines
Wed 10/159:10 pmROB - IAD
1 stop21h 15mUnited Airlines
Deal found 9/15$1,111

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Monrovia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Monrovia that are best for you.

Fly from

Dulles Intl

Fly to

Monrovia

Route

Depart

Return

Price

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 10/7

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Sun 10/19

11:05 am-8:55 am

2 stops25h 50m

$1,091

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sun 10/5

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Mon 10/13

11:05 am-8:55 am

2 stops25h 50m

$1,091

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 10/6

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-2:25 pm

1 stop21h 15m

$1,095

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 10/6

9:35 am-7:50 pm

3 stops30h 15m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-2:25 pm

1 stop21h 15m

$1,095

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 10/7

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-2:25 pm

1 stop21h 15m

$1,095

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sun 10/5

6:50 pm-7:50 pm

3 stops45h 00m

Monrovia Roberts Intl

Wed 10/15

9:10 pm-2:25 pm

1 stop21h 15m

$1,111

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sun 11/9

10:30 pm-2:45 pm

3 stops59h 15m

$762

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 11/10

5:45 pm-9:15 pm

2 stops22h 30m

$766

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 11/10

9:45 am-9:15 pm

3 stops30h 30m

$766

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Thu 10/30

6:45 pm-6:45 pm

1 stop20h 00m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 15 results
1
2

Best time to book a flight from Dulles Intl to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Monrovia

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Monrovia?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Monrovia. Price data was last updated on September 12, 2025.

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Monrovia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Monrovia?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Monrovia (average of $1,197). Flying from Washington, D.C. Dulles Intl Airport to Monrovia in May is currently the most expensive (average of $1,845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Monrovia?

Reviews of airlines servicing Monrovia

Get insights into the airlines that provide service to Monrovia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Monrovia. Reviews last updated September 17, 2025.
See what other customers who have flown with United Airlines, Brussels Airlines, and Ethiopian Air from Washington, D.C. Dulles Intl Airport to Monrovia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Brussels Airlines
7.3
Good
359 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Ethiopian Air
7.2
Good
862 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Royal Air Maroc
6.2
Okay
511 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Monrovia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Monrovia from Washington, D.C. Dulles Intl?

    If you book a flight to Monrovia from Washington, D.C. Dulles Intl, you will be flying to Roberts Intl, which is the city’s only airport. Monrovia Roberts Intl (ROB) is located 30.2 mi from the center of Monrovia. There are 0 flights from Washington, D.C. Dulles Intl to Roberts Intl per day from 4 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Monrovia?

    A quick flight from Washington, D.C. Dulles Intl Airport to Monrovia can take about 22h 05m. Ethiopian Air provides one of the quickest options available for as low as $1,095. There are 4718 mi between Washington, D.C. Dulles Intl Airport and Monrovia. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Monrovia round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Monrovia is United Airlines. Our recent data shows that you can find tickets from as low as $894 on this airline. Additional options worth looking into are Ethiopian Air and Royal Air Maroc, starting at $1,020 and $1,090 round-trip. United Airlines is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Dulles Intl to Monrovia that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Monrovia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Monrovia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Monrovia.

  • Can I find deals for business class flights from Dulles Intl to Monrovia?

    Yes. Cheapflights offers flight deals from Dulles Intl to Monrovia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Monrovia?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Monrovia (average of $1,197). Flying from Washington, D.C. Dulles Intl Airport to Monrovia in May is currently the most expensive (average of $1,845). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Monrovia

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Monrovia flights
Baltimore to Monrovia flights

Top 4 airlines flying from Dulles Intl to Monrovia

Discover the top 4 airlines that operate flights from Dulles Intl to Monrovia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$894Average$1,790FlexibilityNo cancel feeOn-time69%
Ethiopian AirCheapest$1,020Average$1,304FlexibilityNo cancel feeOn-time72%
Royal Air MarocCheapest$1,090Average$1,574FlexibilityNo cancel feeOn-time75%
Brussels AirlinesCheapest$1,272Average$1,596FlexibilityNo cancel feeOn-timeN/A

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