$404+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — ORD
ene. 15 — ene. 221
1 adult, Economy
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Cheapest flights from Fort Smith to IllinoisExplore 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 diciembre 16, 2025.
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 diciembre 16, 2025.
This American Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/306:00 amFSM - ORD
1 stop4h 54mAmerican Airlines
sáb. 1/32:50 pmORD - FSM
1 stop7h 37mAmerican Airlines
Deal found 12/15![American Airlines logo]()
$404
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 diciembre 16, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $404 (American Airlines) |
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 diciembre 16, 2025.
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
mar. 12/30
6:00 am-10:54 am
1 stop4h 54m
Chicago O'Hare Intl
sáb. 1/3
2:50 pm-10:27 pm
1 stop7h 37m
$404
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, April 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 March is currently the most expensive (average of $249). 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.