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$1,684+ Cheap flights from Oregon 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ROB
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Oregon to Monrovia

Keep the following information in mind while searching for Oregon to Monrovia flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,684
(Brussels Airlines)
From Oregon to Monrovia Roberts Intl
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Find flight deals from Oregon to Monrovia

Cheapest flights from Oregon to Monrovia
Explore the most affordable flight options available from Oregon to Monrovia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Brussels Airlines deal was found by Cheapflights users on 9/14. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:46 amPDX - ROB
3 stops26h 04mBrussels Airlines
Wed 10/19:10 pmROB - PDX
2 stops30h 10mBrussels Airlines
Deal found 9/14$1,684
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:25 pmPDX - ROB
2 stops45h 15mDelta
Wed 10/16:40 pmROB - PDX
2 stops33h 25mDelta
Deal found 9/14$2,622

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 16, 2025.
Use the filters below to find and compare flights from Oregon to Monrovia that are best for you.

Fly from

Oregon

Fly to

Monrovia

Route

Depart

Return

Price

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 9/27

10:46 am-7:50 pm

3 stops26h 04m

Monrovia Roberts Intl

Wed 10/1

9:10 pm-8:20 pm

2 stops30h 10m

$1,684

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 9/27

8:08 am-7:50 pm

3 stops28h 42m

Monrovia Roberts Intl

Wed 10/1

9:10 pm-10:45 pm

3 stops32h 35m

$1,684

PortlandMonrovia

PDX - ROB

PDXROB

Portland

Sat 9/27

1:25 pm-5:40 pm

2 stops45h 15m

Monrovia Roberts Intl

Wed 10/1

6:40 pm-9:05 pm

2 stops33h 25m

$2,622

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Oregon to Monrovia

Have a flexible travel schedule? Discover the best time to fly to Monrovia from Oregon 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 Oregon to Monrovia

What is the cheapest time of day to fly from OR to ROB?

Find hourly flight availability from Oregon to Monrovia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Monrovia as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oregon 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 Oregon?

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

  • How long is the flight from Oregon to Monrovia?

    A quick flight from Oregon to Monrovia can take about 26h 04m. Brussels Airlines provides one of the quickest options available for as low as $1,684. There are 6953 mi between Oregon and Monrovia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to Monrovia?

    Currently, September is the cheapest month in which you can book a flight from Oregon to Monrovia (average of $1,197). Flying from Oregon 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.

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