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$271+ Cheap flights from Fort Smith (FSM) to Illinois

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — ORD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Fort Smith to Illinois

Cheapest flights from Fort Smith to Illinois
Explore the most affordable flight options available from Fort Smith to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:24 pm
FSM
-
ORD
1 stop6h 31m
American Airlines
Wed 2/255:00 am
ORD
-
FSM
1 stop4h 49m
American Airlines
Deal found 1/27$271
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:34 am
FSM
-
ORD
1 stop5h 03m
American Airlines
Sun 2/155:00 am
ORD
-
FSM
1 stop4h 49m
American Airlines
Deal found 1/27$309
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:07 am
FSM
-
ORD
1 stop6h 57m
American Airlines
Fri 3/206:49 pm
ORD
-
FSM
1 stop5h 00m
American Airlines
Deal found 1/28$751
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:07 am
FSM
-
ORD
2 stops7h 53m
American Airlines
Mon 2/165:00 am
ORD
-
FSM
1 stop4h 49m
American Airlines
Deal found 1/28$803
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2010:19 am
FSM
-
ORD
1 stop13h 17m
American Airlines
Sun 3/299:13 pm
ORD
-
FSM
1 stop12h 36m
American Airlines
Deal found 1/28$886

Find flight deals from Fort Smith to Illinois

Keep the following information in mind while searching for Fort Smith to Illinois flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(American Airlines)
Provider with most accurate pricing for Fort Smith-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Fort Smith-Chicago (CHI) flights.
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From Fort Smith to Illinois
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Smith to Illinois 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 January 29, 2026.
Use the filters below to find and compare flights from Fort Smith to Illinois that are best for you.

Fly from

Fort Smith

Fly to

Illinois

Route

Depart

Return

Price

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Thu 2/19

6:24 pm-12:55 am

1 stop6h 31m

Chicago O'Hare Intl

Wed 2/25

5:00 am-9:49 am

1 stop4h 49m

$271

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Thu 2/12

6:24 pm-11:36 pm

1 stop5h 12m

Chicago O'Hare Intl

Mon 2/16

5:00 am-9:49 am

1 stop4h 49m

$309

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Wed 2/11

10:34 am-3:37 pm

1 stop5h 03m

Chicago O'Hare Intl

Sun 2/15

5:00 am-9:49 am

1 stop4h 49m

$309

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Wed 3/18

6:07 am-1:04 pm

1 stop6h 57m

Chicago O'Hare Intl

Fri 3/20

6:49 pm-11:49 pm

1 stop5h 00m

$751

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Fri 3/20

10:19 am-11:36 pm

1 stop13h 17m

Chicago O'Hare Intl

Sun 3/29

9:13 pm-9:49 am

1 stop12h 36m

$886

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Wed 2/11

6:21 am-1:55 pm

1 stop7h 34m

$449

Fort SmithChicago

FSM - ORD

FSMORD

Fort Smith

Thu 2/12

6:24 pm-11:36 pm

1 stop5h 12m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Fort Smith to Illinois

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

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

Currently, January is the cheapest month in which you can book a flight from Fort Smith to Illinois (average of $209). Flying from Fort Smith to Illinois in June is currently the most expensive (average of $238). 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 Fort Smith to Illinois. 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 from for flights from Fort Smith to Illinois?

    Fort Smith (FSM) is the airport you will fly out of if you book a flight from Fort Smith to Illinois. It is only a 3.8 mi journey to Fort Smith (FSM) from Fort Smith’s city center.

  • How long is the flight from Fort Smith to Illinois?

    Departing from Fort Smith to Illinois will take you 6h 31m. There are 576 mi between Fort Smith and Illinois.

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

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

  • How can I find direct flights from Fort Smith to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Fort Smith to Illinois 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 Fort Smith to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Fort Smith to Illinois (average of $209). Flying from Fort Smith to Illinois in June is currently the most expensive (average of $238). 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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