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$1,408+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROB
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,408
(StudentUniverse)

Popular in

December

Cheapest in

April

Average price

$1,725
Provider with most accurate pricing for Chicago (CHI)-Monrovia Roberts Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Monrovia Roberts Intl flights.
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From Illinois to Monrovia Roberts Intl
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Highest demand for flights based on searches. 2% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2110:15 amORD - ROB
2 stops26h 35mEthiopian Air
Sun 5/410:45 amROB - ORD
1 stop26h 30mEthiopian Air
Deal found 3/31$1,408
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Tue 7/152:07 pmORD - ROB
3 stops24h 43mMultiple Airlines
Wed 8/69:10 pmROB - ORD
2 stops22h 41mMultiple Airlines
Deal found 3/31$1,590
This Gurufare deal was found by Cheapflights users on 3/31. 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 7/155:55 pmORD - ROB
1 stop20h 55mBrussels Airlines
Wed 8/69:10 pmROB - ORD
2 stops25h 10mBrussels Airlines
Deal found 3/31$1,678
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/149:05 pmORD - ROB
3 stops41h 45mUnited Airlines
Wed 5/219:10 pmROB - ORD
1 stop19h 45mUnited Airlines
Deal found 3/30$1,908

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 March 31, 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 4/21

10:15 am-5:50 pm

2 stops26h 35m

Monrovia Roberts Intl

Sun 5/4

10:45 am-8:15 am

1 stop26h 30m

$1,408

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 7/15

2:07 pm-7:50 pm

3 stops24h 43m

Monrovia Roberts Intl

Wed 8/6

9:10 pm-2:51 pm

2 stops22h 41m

$1,590

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 7/15

5:55 pm-7:50 pm

1 stop20h 55m

Monrovia Roberts Intl

Wed 8/6

9:10 pm-5:20 pm

2 stops25h 10m

$1,678

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Wed 5/14

9:05 pm-7:50 pm

3 stops41h 45m

Monrovia Roberts Intl

Wed 5/21

9:10 pm-11:55 am

1 stop19h 45m

$1,908

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 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 $1,865). 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.

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 March 31, 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.

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 March 31, 2025.
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,614 reviews
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Brussels Airlines
7.4
Good
345 reviews
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Ethiopian Air
7.2
Good
764 reviews
United Airlines
7.4
Good
8,614 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $1,865). 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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Top airline flying from Illinois to Monrovia

Discover the top airline 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Ethiopian AirCheapest$1,155Average$1,381FlexibilityNo cancel feeOn-time72%
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