$1,484+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ROB
Dec 2 — Dec 91
1 adult, Economy
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Find cheap flights from Oregon to Monrovia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 November 2, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,484 (United Airlines) |
Find flight deals from Oregon to Monrovia
Cheapest flights from Oregon to MonroviaExplore 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 November 2, 2025.
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 November 2, 2025.
This Gurufare deal was found by Cheapflights users on 11/1. 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 11/1110:52 amPDX - ROB
3 stops26h 23mBrussels Airlines
Sat 1/310:45 pmROB - PDX
2 stops30h 03mBrussels Airlines
Deal found 11/1![Brussels Airlines logo]()
$4,783
This Brussels Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/1210:52 amPDX - ROB
3 stops47h 53mBrussels Airlines
Sat 1/310:45 pmROB - PDX
2 stops28h 16mBrussels Airlines
Deal found 11/1![Brussels Airlines logo]()
$4,953
This United deal was found by Cheapflights users on 11/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:12 pmPDX - ROB
2 stops35h 33mMultiple Airlines
Sat 1/310:45 pmROB - PDX
2 stops28h 16mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$4,959
This Ovago deal was found by Cheapflights users on 11/1. 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 11/1110:52 amPDX - ROB
3 stops26h 23mMultiple Airlines
Sat 1/35:35 amROB - PDX
3 stops44h 27mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$7,646
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 November 2, 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
Thu 3/5
11:10 pm-9:15 pm
3 stops38h 05m
Monrovia Roberts Intl
Sun 3/8
10:45 pm-7:00 pm
2 stops27h 15m
$1,484
PortlandMonrovia
PDX - ROB
PDXROB
Portland
Wed 11/12
10:52 am-6:45 pm
3 stops47h 53m
Monrovia Roberts Intl
Sat 1/3
10:45 pm-7:01 pm
2 stops28h 16m
$4,953
PortlandMonrovia
PDX - ROB
PDXROB
Portland
Wed 11/12
11:12 pm-6:45 pm
2 stops35h 33m
Monrovia Roberts Intl
Sat 1/3
10:45 pm-7:01 pm
2 stops28h 16m
$4,959
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 November 2, 2025.
When flying from Oregon to Monrovia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight in the evening.