Route guide · 435 miles
Cheap Flights from Sioux City to Chicago
SUX → ORD · Nonstop 1h 23m · Live round-trip fares
Looking for cheap flights from Sioux City to Chicago? You're in the right place. Airfare Deal tracks live fares on this 435-mile route around the clock. As a rule of thumb, booking 2–4 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
Live fares for SUX → ORD are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 23m
Nonstop, typical
Distance
435 mi
SUX → ORD
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
American Airlines
Nonstop flights from Sioux City to Chicago
Nonstop service links Sioux City and Chicago directly — flights are flown by American Airlines. Expect roughly 1h 23m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: Sioux City → Chicago
- Distance: 435 miles · nonstop flight time: 1h 23m.
- Cheapest upcoming week in the live data starts around Oct 15, with fares from $172.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
Cheapest month · Sioux City → Chicago
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$172
Cheapest: Sat, Oct 17 — $172
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Sioux City to Chicago: what you need to know
The flight
Sioux City to Chicago is a short hop — 435 miles, about 1h 23m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
American Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Sioux City (SUX)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Sioux City airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Chicago (ORD)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Chicago airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Chicago to Sioux City fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 435 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 23m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
Sioux City to Chicago flight FAQs
How long is the flight from SUX to ORD?
Plan on about 1h 23m in the air for a nonstop from Sioux City to Chicago — the route runs roughly 435 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Sioux City to Chicago?
Yes — look for American Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Sioux City to Chicago?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from SUX to ORD?
Book inside the final week and you'll usually pay a premium on SUX to ORD. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from Sioux City to Chicago?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Sioux City to Chicago?
The main carriers on this route are American Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Sioux City airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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