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Liberia

$719+ Cheap flights from Illinois to Liberia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ROB
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap flight deals from Illinois to Liberia

Cheapest flights from Illinois to Liberia
Explore the most affordable flight options available from Illinois to Liberia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 1, 2026.

This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:15 pm
ORD
-
ROB
2 stops39h 30m
Brussels Airlines
Wed 3/1810:45 pm
ROB
-
ORD
1 stop19h 25m
Brussels Airlines
Deal found 2/1$1,054
This Gurufare deal was found by Cheapflights users on 1/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:50 pm
ORD
-
ROB
2 stops41h 55m
SWISS
Wed 3/1810:45 pm
ROB
-
ORD
2 stops23h 35m
SWISS
Deal found 1/30$1,076
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Tue 2/245:55 pm
ORD
-
ROB
2 stops21h 20m
United Airlines
Wed 4/19:10 pm
ROB
-
ORD
2 stops39h 16m
United Airlines
Deal found 1/30$1,156
This Ovago deal was found by Cheapflights users on 1/29. 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.
Sun 3/810:15 am
ORD
-
ROB
1 stop23h 30m
Ethiopian Air
Sun 4/511:05 am
ROB
-
ORD
2 stops26h 10m
Ethiopian Air
Deal found 1/29$1,211
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:50 pm
ORD
-
ROB
3 stops44h 25m
SWISS
Sun 5/249:10 pm
ROB
-
ORD
2 stops47h 45m
SWISS
Deal found 1/31$1,227
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:00 pm
ORD
-
ROB
2 stops20h 50m
United Airlines
Tue 8/189:10 pm
ROB
-
ORD
2 stops24h 27m
United Airlines
Deal found 1/31$1,257
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 pm
ORD
-
ROB
3 stops44h 50m
United Airlines
Tue 8/189:10 pm
ROB
-
ORD
2 stops28h 55m
United Airlines
Deal found 1/31$1,268
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/272:30 pm
ORD
-
ROB
3 stops24h 45m
United Airlines
Fri 3/68:05 pm
ROB
-
ORD
2 stops22h 05m
United Airlines
Deal found 1/30$1,270
This FlightHub deal was found by Cheapflights users on 1/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/53:40 pm
ORD
-
ROB
3 stops47h 10m
Multiple Airlines
Sun 8/169:10 pm
ROB
-
ORD
2 stops47h 45m
Multiple Airlines
Deal found 1/31$1,271

Find flight deals from Illinois to Liberia

Keep the following information in mind while searching for Illinois to Liberia flight deals. Data was last updated February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,054
(KAYAK)

One-way from

$719
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$1,602
Provider with most accurate pricing for Chicago (CHI)-Monrovia Roberts Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Monrovia Roberts Intl flights.
Search Deals
From Illinois to Liberia
Search Deals
One-way flight from Illinois to Liberia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Liberia 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 February 1, 2026.
Use the filters below to find and compare flights from Illinois to Liberia that are best for you.

Fly from

Illinois

Fly to

Liberia

Route

Depart

Return

Price

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Wed 3/4

6:50 pm-6:45 pm

2 stops41h 55m

Monrovia Roberts Intl

Wed 3/18

10:45 pm-5:20 pm

2 stops23h 35m

$1,077

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 2/24

5:55 pm-9:15 pm

2 stops21h 20m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-7:26 am

2 stops39h 16m

$1,156

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Thu 3/19

1:06 pm-6:45 pm

2 stops24h 39m

Monrovia Roberts Intl

Wed 4/1

9:10 pm-7:26 am

2 stops39h 16m

$1,211

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Mon 7/6

6:00 pm-7:50 pm

2 stops20h 50m

Monrovia Roberts Intl

Tue 8/18

9:10 pm-4:37 pm

2 stops24h 27m

$1,257

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sun 7/5

6:00 pm-7:50 pm

3 stops44h 50m

Monrovia Roberts Intl

Tue 8/18

9:10 pm-9:05 pm

2 stops28h 55m

$1,268

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Fri 2/27

2:30 pm-9:15 pm

3 stops24h 45m

Monrovia Roberts Intl

Fri 3/6

8:05 pm-12:10 pm

2 stops22h 05m

$1,270

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Tue 3/10

12:50 pm-9:15 pm

3 stops27h 25m

Monrovia Roberts Intl

Tue 3/24

10:45 pm-5:01 pm

2 stops23h 16m

$1,282

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Mon 7/6

7:05 pm-7:50 pm

3 stops43h 45m

Monrovia Roberts Intl

Wed 8/19

9:10 pm-12:35 pm

2 stops44h 25m

$1,288

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sun 3/8

7:50 pm-9:15 pm

3 stops44h 25m

Monrovia Roberts Intl

Sun 4/5

9:10 pm-3:55 pm

2 stops47h 45m

$1,296

ChicagoMonrovia

ORD - ROB

ORDROB

Chicago O'Hare Intl

Sun 2/15

6:20 pm-9:15 pm

3 stops44h 55m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 14 results
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Best time to book a flight from Illinois to Liberia

Have a flexible travel schedule? Discover the best time to fly to Liberia 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 Liberia

What is the cheapest month to book a flight from Illinois to Liberia?

Currently, October is the cheapest month in which you can book a flight from Illinois to Liberia (average of $967). Flying from Illinois to Liberia in June is currently the most expensive (average of $1,847). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Liberia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Liberia?

    A quick flight from Illinois to Liberia can take about 21h 20m. SWISS provides one of the quickest options available for as low as $1,156. The distance from Illinois to Liberia is about 5288 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Liberia one-way?

    $50 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from $57 and $58, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Liberia (average of $967). Flying from Illinois to Liberia in June is currently the most expensive (average of $1,847). 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 Liberia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Liberia

Discover the top 3 airlines that operate flights from Illinois to Liberia. 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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$996Average$1,267FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,029Average$1,198FlexibilityNo cancel feeOn-time69%
Ethiopian AirCheapest$1,132Average$1,393FlexibilityNo cancel feeOn-time72%

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