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Monrovia

$765+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ROB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,119
(United Airlines)

One-way from

$765
(FlightHub)

Popular in

June

Cheapest in

April

Average price

$1,876
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. 10% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 12/510:00 amIAD - ROB
1 stop23h 45mEthiopian Air
Mon 12/2211:05 amROB - IAD
2 stops25h 55mEthiopian Air
Deal found 6/10$1,087
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:37 pmIAD - ROB
3 stops46h 13mMultiple Airlines
Sun 11/910:35 pmROB - IAD
2 stops26h 04mMultiple Airlines
Deal found 6/11$1,093
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/85:45 pmIAD - ROB
2 stops22h 05mUnited Airlines
Tue 9/239:10 pmROB - IAD
1 stop21h 15mUnited Airlines
Deal found 6/12$1,119
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:45 pmIAD - ROB
3 stops43h 25mSWISS
Tue 11/1110:35 pmROB - IAD
2 stops46h 55mSWISS
Deal found 6/10$1,132
This Gurufare deal was found by Cheapflights users on 6/12. 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.
Tue 7/85:45 pmIAD - ROB
1 stop22h 05mBrussels Airlines
Tue 9/239:10 pmROB - IAD
1 stop21h 15mBrussels Airlines
Deal found 6/12$1,156
This oojo deal was found by Cheapflights users on 6/10. 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.
Mon 7/289:05 pmIAD - ROB
1 stop27h 05mRoyal Air Maroc
Fri 10/36:35 amROB - IAD
1 stop16h 30mRoyal Air Maroc
Deal found 6/10$1,505
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/191:03 pmIAD - ROB
3 stops26h 47mAir Canada
Fri 11/148:05 pmROB - IAD
3 stops28h 34mAir Canada
Deal found 6/10$1,755

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 June 12, 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 7/8

5:45 pm-7:50 pm

2 stops22h 05m

Monrovia Roberts Intl

Tue 9/23

9:10 pm-2:25 pm

1 stop21h 15m

$1,119

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 7/8

8:35 am-7:50 pm

3 stops31h 15m

Monrovia Roberts Intl

Tue 9/23

9:10 pm-4:18 pm

2 stops23h 08m

$1,124

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sat 8/23

10:55 am-2:45 pm

1 stop23h 50m

Monrovia Roberts Intl

Thu 9/4

11:05 am-8:55 am

2 stops25h 50m

$1,141

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Tue 7/8

5:45 pm-7:50 pm

1 stop22h 05m

Monrovia Roberts Intl

Tue 9/23

9:10 pm-2:25 pm

1 stop21h 15m

$1,156

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Fri 7/18

8:45 pm-7:50 pm

3 stops43h 05m

Monrovia Roberts Intl

Wed 10/1

9:10 pm-3:25 pm

2 stops22h 15m

$1,351

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 7/28

9:05 pm-4:10 am

1 stop27h 05m

Monrovia Roberts Intl

Fri 10/3

6:35 am-7:05 pm

1 stop16h 30m

$1,505

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sat 7/19

1:03 pm-7:50 pm

3 stops26h 47m

Monrovia Roberts Intl

Fri 11/14

8:05 pm-7:39 pm

3 stops28h 34m

$1,755

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Mon 8/25

12:13 pm-5:40 pm

3 stops49h 27m

Monrovia Roberts Intl

Mon 9/1

6:40 pm-12:02 pm

3 stops45h 22m

$1,884

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sat 9/6

5:45 pm-7:50 pm

1 stop22h 05m

$765

Washington, D.C.Monrovia

IAD - ROB

IADROB

Washington, D.C. Dulles Intl

Sat 9/6

9:45 am-7:50 pm

3 stops30h 05m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 14 results
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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 June 9, 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 $1,858). 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.

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 June 12, 2025.
See what other customers who have flown with SWISS, Brussels Airlines and United Airlines from Washington, D.C. to Monrovia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,623 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Brussels Airlines
7.4
Good
355 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
United Airlines
7.4
Good
8,790 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Ethiopian Air
7.2
Good
781 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Air Canada
7.1
Good
9,531 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.7

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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 3 different airlines.

  • 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 $1,119 on this airline. Additional options worth looking into are Ethiopian Air and Brussels Airlines, starting at $1,141 and $1,156 round-trip. United Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Monrovia one-way?

    The cheapest airline one-way is Brussels Airlines, with whom users have recently found tickets for as low as $765. However, be on the lookout for offers from Air Canada and Ethiopian Air, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Monrovia for a low price.

  • 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 $1,858). 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.
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Top 3 airlines flying from Dulles Intl to Monrovia

Discover the top 3 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Ethiopian AirCheapest$1,021Average$1,421FlexibilityNo cancel feeOn-time72%
Royal Air MarocCheapest$1,064Average$1,493FlexibilityNo cancel feeOn-time75%
Brussels AirlinesCheapest$1,384Average$1,599FlexibilityNo cancel feeOn-timeN/A

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