Route guide · 1,520 miles
Cheap Flights from Chicago to Las Vegas
ORD → LAS · Nonstop 3h 35m · Live round-trip fares
Looking for cheap flights from Chicago to Las Vegas? You're in the right place. Airfare Deal tracks live fares on this 1,520-mile route around the clock. As a rule of thumb, booking 3–6 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
Live fares for ORD → LAS are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
3h 35m
Nonstop, typical
Distance
1,520 mi
ORD → LAS
Cheapest month
October 2026
Fares from $83
Nonstop airlines
3
Alaska Airlines, Delta Air Lines & more
Nonstop flights from Chicago to Las Vegas
Nonstop flights from Chicago to Las Vegas are flown by Alaska Airlines, Delta Air Lines, United Airlines. The 1,520-mile trip takes about 3h 35m gate to gate, and nonstops are usually cheapest when booked 3–6 weeks ahead.
Booking insights: Chicago → Las Vegas
- Distance: 1,520 miles · nonstop flight time: 3h 35m.
- Cheapest upcoming week in the live data starts around Oct 29, with fares from $83.
- Of the months we're tracking right now, October 2026 has the lowest fares, starting at $83.
- Fares tend to bottom out when you book about 3–6 weeks ahead — earlier than that rarely helps, later usually hurts.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Oct 29 is currently the cheapest window — about $62 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Chicago → Las Vegas
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$83
Cheapest: Thu, Oct 29 — $83 · Priciest: Oct 25 — $186
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 Chicago to Las Vegas: what you need to know
The flight
At 1,520 miles, this is a long domestic flight — about 3h 35m gate to gate on a nonstop. It deserves a bit of planning: eat before you board or buy early (popular items sell out), and pick your seat with the flight length in mind.
Airlines on this route
Alaska Airlines, Delta Air Lines and United Airlines fly 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 Chicago (ORD)
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 Chicago airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Las Vegas (LAS)
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 Las Vegas airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Las Vegas to Chicago fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, October 2026 is coming in cheapest for this route, with fares from $83. As a rule, booking 3–6 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- Nonstop time on this route is about 3h 35m — 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.
- October 2026 is currently the cheapest tracked month on this route — check those dates first if you're flexible.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
Chicago to Las Vegas flight FAQs
How long is the flight from ORD to LAS?
Nonstop flights from Chicago to Las Vegas take about 3h 35m and cover roughly 1,520 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from Chicago to Las Vegas?
Alaska Airlines, Delta Air Lines, United Airlines typically operate nonstop flights from ORD to LAS. Nonstops are usually cheapest when booked 3–6 weeks ahead of departure.
What is the cheapest month to fly from Chicago to Las Vegas?
Right now, October 2026 is shaping up cheapest for Chicago to Las Vegas — we've seen fares from $83 in that month. Prices move fast, so lock in when you see a number you like.
How much are last minute flights from ORD to LAS?
Book inside the final week and you'll usually pay a premium on ORD to LAS. Fares booked 3–6 weeks ahead are almost always kinder.
What is a good round-trip deal from Chicago to Las Vegas?
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 Chicago to Las Vegas?
You'll mainly see Alaska Airlines, Delta Air Lines, United Airlines on Chicago to Las Vegas. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Chicago 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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