ORD → LAS

Find and Compare the Cheapest Ways to Fly from Chicago to Las Vegas

Compare one-way, round-trip and flight + hotel packages from Chicago to Las Vegas, a nonstop flight of about 3h 30m, with fares from around 210. Nonstop fares seen from Frontier.

Chicago to Las Vegas flight facts

Chicago to Las Vegas is a domestic route covering about 1,510 miles, arriving at Harry Reid International Airport (LAS) in United States. Peak travel season in Las Vegas runs March–May & September–November (warm, dry and sunny), while June–August is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Frontier.

Key facts for flights from Chicago to Las Vegas
Departing fromO'Hare International Airport (ORD)
Arriving atHarry Reid International Airport (LAS)
Distance1,510 miles (2,432 km)
Nonstop flight timeAbout 3h 30m
Nonstop airlines seenFrontier
Round-trip fares from$210 (estimate)
Cheapest monthsJanuary, September, February
Peak season in Las VegasMarch–May & September–November
Cheapest hotel months in Las VegasJune–August
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Las Vegas

  • Peak season

    March–May & September–November

    Warm, dry and sunny

  • Shoulder season

    December–February

    Cool, crisp desert days

  • Off-peak season

    June–August

    Extreme desert heat

Estimated round-trip fares by month, Chicago to Las Vegas

Estimated lowest round-trip fare per month
MonthFares from
January$210
February$230
March$260
April$270
May$235
June$290
July$300
August$300
September$210
October$250
November$285
December$340

Flying from Chicago to Las Vegas

Airlines Flying this Route

Nonstop fares we've tracked on this route come from Frontier. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Las Vegas in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Chicago to Las Vegas

Fares on this route tend to be lowest in January, September, and February. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Chicago and Las Vegas are about 1,510 miles apart. A nonstop flight takes roughly 3h 30m; connecting itineraries usually add 2 to 5 hours.

Chicago to Las Vegas flight questions

How can I find the absolute cheapest flight from Chicago to Las Vegas?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Chicago to Las Vegas?

Based on typical seasonal demand, January, September, and February tend to offer the lowest fares on this route, with estimated round-trip prices starting around $210. Live prices change daily, so run a search for your exact dates.

How long is the flight from Chicago to Las Vegas?

Chicago and Las Vegas are about 1,510 miles apart. A nonstop flight takes roughly 3h 30m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Chicago to Las Vegas?

Recent nonstop fares we've tracked on this route come from Frontier. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Las Vegas?

Hotel rates in Las Vegas are usually lowest in June–August, when demand is quieter, and highest during peak season (March–May & September–November). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Las Vegas?

This route arrives at Harry Reid International Airport (LAS). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Las Vegas?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.