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$1,309+ Cheap flights from Washington to Monrovia (ROB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ROB
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Washington to Monrovia

Best flights from Washington to Monrovia
Discover carefully curated flight deals from Washington to Monrovia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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.
Fri 2/2010:56 amPDX - ROB
3 stops26h 19mUnited Airlines
Tue 2/2410:45 pmROB - PDX
2 stops28h 04mUnited Airlines
Deal found 12/25$1,309

Find flight deals from Washington to Monrovia

Keep the following information in mind while searching for Washington to Monrovia flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,309
(United Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Monrovia Roberts Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Monrovia Roberts Intl flights.
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From Washington to Monrovia Roberts Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 December 28, 2025.
Use the filters below to find and compare flights from Washington to Monrovia that are best for you.

Fly from

Washington

Fly to

Monrovia

Route

Depart

Return

Price

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Fri 2/20

10:56 am-9:15 pm

3 stops26h 19m

Monrovia Roberts Intl

Tue 2/24

10:45 pm-6:49 pm

2 stops28h 04m

$1,309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Best time to book a flight from Washington to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Washington 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 to Monrovia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Most people fly into Monrovia Roberts Intl (ROB) if they book a flight to Monrovia from Washington. Roberts Intl is conveniently located just 30.2 mi from Monrovia’s city center.

  • How long is the flight from State of Washington to Monrovia?

    A quick flight from State of Washington to Monrovia can take about 26h 19m. United Airlines provides one of the quickest options available for as low as $1,309. State of Washington and Monrovia are separated by a distance of 6953 mi.

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

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

  • How can I find direct flights from Washington to Monrovia?

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

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Alternative routes for Washington to Monrovia

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Top airline flying from Washington to Monrovia

Discover the top airline that operate flights from Washington 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$1,498Average$1,969FlexibilityNo cancel feeOn-timeN/A

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