Domestic route
Cheap flights from Chicago to Las Vegas
O'Hare International Airport (ORD) to Harry Reid International Airport (LAS). 1,511 miles, 3h 40m nonstop.
ORD to LAS at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 1,511 milesgreat-circle
- Typical flight time
- 3h 40mnonstop, gate to gate
- Nonstop airlines
- AAUAWNNK5 airlinesAmerican, United, Southwest
- Nonstop flights per day
- 22all airlines combined
- Cheapest month
- October 2026over the next six months
- Best day to fly
- Tuesday21% less than Friday
- Time difference
- 2h behindLas Vegas vs Chicago
Chicago to Las Vegas
Round trips from $109
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Oct 7.
Cheapest month: October 2026
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppChicago to Las Vegas fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Chicago to Las Vegas
5 airlines fly nonstop with 22 departures a day combined, plus 4 more with one stop.
- AAAmerican AirlinesoneworldNonstop · 5 flights a day · first checked bag from $40
- UAUnited AirlinesStar AllianceNonstop · 5 flights a day · first checked bag from $40
- F9Frontier AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- WNSouthwest AirlinesLow-costNonstop · 4 flights a day · first checked bag from $35
- NKSpirit AirlinesLow-costNonstop · 4 flights a day · first checked bag from $55
- ASAlaska AirlinesoneworldConnecting via SFO, LAX, SAN · first checked bag from $35
- DLDelta Air LinesSkyTeamConnecting via ATL, MSP, DTW, SLC, LAX · first checked bag from $35
- B6JetBlueConnecting via LAX · first checked bag from $40
- SYSun Country AirlinesLow-costConnecting via MSP · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)DLB6AS3 airlines
- Minneapolis (MSP)DLSY2 airlines
- Atlanta (ATL)DL1 airline
- Detroit (DTW)DL1 airline
- Salt Lake City (SLC)DL1 airline
Which airport should I use?
Chicago has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Chicago
Tips for this route
- American, United, Southwest and Spirit all fly ORD to LAS nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- October 2026 is the cheapest month to fly over the next six months, with round trips from $109; September 2026 is the most expensive at $130 and up, a difference of $21 per traveler.
- Departing on a Tuesday averages 21% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
- Las Vegas is 2 hours behind Chicago. A morning departure lands in Las Vegas with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
Las Vegas: The Strip, the shows and the desert beyond
Las Vegas has more nonstop routes than almost any US leisure destination, which keeps fares low from every region. Harry Reid International sits a five-minute drive from the Strip, and midweek trips can be remarkably cheap.
Best time to visit: March–May and October–November are warm without the 105°F summer afternoons. Weekday arrivals (Sunday–Thursday) are far cheaper than Friday and Saturday.
Flying the other way? Las Vegas to ChicagoFares, airlines and tips for LAS to ORD.Ready to compare live fares?
See every airline on ORD–LAS side by side with bags and seat rules spelled out.
Search Chicago to Las VegasChicago to Las Vegas: common questions
How long is the flight from Chicago to Las Vegas?
A nonstop flight from Chicago (ORD) to Las Vegas (LAS) takes about 3h 40m gate to gate, covering 1,511 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from ORD to LAS?
American Airlines, United Airlines, Southwest Airlines, Spirit Airlines and Frontier Airlines operate nonstop flights from Chicago (ORD) to Las Vegas (LAS), with 22 nonstop departures a day between them. One-stop options connect through LAX, MSP and ATL.
What is the cheapest month to fly from Chicago to Las Vegas?
Over the next six months, October 2026 has the lowest round-trip fares from Chicago (ORD) to Las Vegas (LAS), starting at $109 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Chicago to Las Vegas flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Chicago and Las Vegas?
Las Vegas is 2 hours behind Chicago. ORD is on America/Chicago time and LAS on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
More flights from Chicago
All routesMore flights to Las Vegas
All routes- New York to Las VegasJFK → LASfrom $193
- Atlanta to Las VegasATL → LASfrom $146
- Denver to Las VegasDEN → LASfrom $68
- Los Angeles to Las VegasLAX → LASfrom $60
- Toronto to Las VegasYYZ → LASfrom $161
- Vancouver to Las VegasYVR → LASfrom $105
- Calgary to Las VegasYYC → LASfrom $123
- Edmonton to Las VegasYEG → LASfrom $114