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Monrovia

$959+ Cheap flights from Illinois 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Monrovia

Keep the following information in mind while searching for Illinois to Monrovia flight deals. Data was last updated September 17, 2025.

Round-trip from

$959
(FlightHub)

Popular in

May

Cheapest in

October

Average price

$1,080
From Illinois to Monrovia Roberts Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($265 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($70 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 Illinois to Monrovia

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

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:15 amORD - ROB
1 stop23h 30mEthiopian Air
Sun 11/211:05 amROB - ORD
2 stops26h 35mEthiopian Air
Deal found 9/16$959
This Ethiopian Air 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:15 amORD - ROB
1 stop23h 30mEthiopian Air
Thu 11/611:05 amROB - ORD
2 stops26h 35mEthiopian Air
Deal found 9/16$997
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:15 amORD - ROB
1 stop23h 30mEthiopian Air
Tue 11/411:05 amROB - ORD
2 stops26h 35mEthiopian Air
Deal found 9/16$1,021
This Ethiopian Air 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:15 amORD - ROB
1 stop23h 30mEthiopian Air
Tue 10/2811:05 amROB - ORD
2 stops26h 35mEthiopian Air
Deal found 9/16$1,047
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:55 pmORD - ROB
2 stops20h 55mBrussels Airlines
Tue 10/2810:45 pmROB - ORD
1 stop19h 25mBrussels Airlines
Deal found 9/16$1,089
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 10/65:55 pmORD - ROB
2 stops20h 55mUnited Airlines
Wed 10/2910:45 pmROB - ORD
1 stop19h 25mUnited Airlines
Deal found 9/16$1,095
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.
Sun 10/59:20 pmORD - ROB
3 stops41h 30mUnited Airlines
Wed 10/2910:45 pmROB - ORD
1 stop19h 25mUnited Airlines
Deal found 9/16$1,111
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:45 pmORD - ROB
3 stops23h 05mMultiple Airlines
Tue 11/410:45 pmROB - ORD
2 stops22h 10mMultiple Airlines
Deal found 9/16$1,114
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.
Sun 10/59:20 pmORD - ROB
3 stops41h 30mUnited Airlines
Tue 10/2810:45 pmROB - ORD
2 stops29h 58mUnited Airlines
Deal found 9/16$1,115
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:55 pmORD - ROB
1 stop20h 55mBrussels Airlines
Tue 10/2810:45 pmROB - ORD
1 stop19h 25mBrussels Airlines
Deal found 9/16$1,119

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 Illinois to Monrovia that are best for you.

Fly from

Illinois

Fly to

Monrovia

Route

Depart

Return

Price

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Mon 3/9

5:55 pm-9:15 pm

2 stops22h 20m

Monrovia Roberts Intl

Wed 4/15

9:10 pm-11:12 pm

2 stops31h 02m

$1,105

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sun 10/5

9:20 pm-7:50 pm

3 stops41h 30m

Monrovia Roberts Intl

Tue 10/28

10:45 pm-1:10 pm

1 stop19h 25m

$1,111

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 10/7

5:55 pm-7:50 pm

2 stops20h 55m

Monrovia Roberts Intl

Sun 10/26

10:45 pm-12:00 pm

2 stops42h 15m

$1,138

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Thu 11/6

12:50 pm-6:45 pm

2 stops23h 55m

Monrovia Roberts Intl

Wed 11/19

10:45 pm-11:18 am

2 stops42h 33m

$1,148

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Thu 11/6

6:00 am-6:45 pm

2 stops30h 45m

Monrovia Roberts Intl

Wed 11/19

10:45 pm-12:10 pm

1 stop19h 25m

$1,148

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sat 10/11

10:41 am-7:50 pm

3 stops28h 09m

Monrovia Roberts Intl

Tue 11/4

10:45 pm-7:25 pm

2 stops26h 40m

$1,160

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sun 10/12

7:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-3:55 pm

2 stops23h 45m

$1,215

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Wed 3/4

6:16 pm-6:45 pm

2 stops42h 29m

Monrovia Roberts Intl

Wed 3/18

10:45 pm-11:12 pm

2 stops29h 27m

$1,240

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Mon 10/13

5:55 pm-7:50 pm

2 stops20h 55m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-12:00 pm

1 stop19h 50m

$1,245

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 10/14

9:00 am-7:50 pm

3 stops29h 50m

Monrovia Roberts Intl

Sun 11/2

10:45 pm-12:10 pm

1 stop19h 25m

$1,299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Illinois to Monrovia

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

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

Find hourly flight availability from Illinois 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 17, 2025.

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

Related info for your journey

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

    Monrovia Roberts Intl (ROB) is the airport you will fly into if you book a flight from Illinois to Monrovia. It is only a 30.2 mi journey from Roberts Intl (ROB) to Monrovia’s city center.

  • How long is the flight from Illinois to Monrovia?

    United Airlines and Brussels Airlines can get you from Illinois to Monrovia in just under 20h 55m. Your travel time can differ by up to 1h 25m. Illinois and Monrovia are separated by a distance of 5288 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

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

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Top 2 airlines flying from Illinois to Monrovia

Discover the top 2 airlines that operate flights from Illinois 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
Brussels AirlinesCheapest$996Average$1,574FlexibilityNo cancel feeOn-timeN/A
Ethiopian AirCheapest$1,155Average$1,372FlexibilityNo cancel feeOn-time72%

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