Southwest Airlines flights from Chicago to Las Vegas
Weather by month: Chicago and Las Vegas
| Month | Chicago | Las Vegas |
|---|---|---|
| January | -5°C · 60 mm | 7°C · 0 mm |
| February | -3°C · 24 mm | 13°C · 13 mm |
| March | 6°C · 94 mm | 16°C · 6 mm |
| April | 10°C · 65 mm | 21°C · 1 mm |
| May | 13°C · 71 mm | 26°C · 19 mm |
| June | 22°C · 124 mm | 32°C · 4 mm |
| July | 25°C · 103 mm | 34°C · 0 mm |
| August | 23°C · 42 mm | 34°C · 19 mm |
| September | 20°C · 38 mm | 28°C · 3 mm |
| October | 14°C · 56 mm | 21°C · 18 mm |
| November | 6°C · 74 mm | 15°C · 57 mm |
| December | -3°C · 81 mm | 11°C · 22 mm |
Average temperature and total rainfall per month, last full year.
About Southwest Airlines flights from Chicago to Las Vegas
Southwest Airlines (WN) operates flights from Chicago Midway International Airport (MDW) to McCarran International Airport (LAS) in Las Vegas. This route covers 2,448 kilometers and usually non-stop flights take approximately 4 hours and 9 minutes. The journey serves both leisure travelers heading to Las Vegas entertainment and business passengers, making it a popular connection between these two major US cities.
Fares on this route tend to be lowest in September. Note that Southwest does not include checked baggage in economy fares-the first checked bag costs extra and is limited to 22.7 kg. Online check-in opens 24 hours before departure and closes 30 minutes before takeoff.
Airports on this route
| Departure | Chicago Midway International Airport (MDW) |
|---|---|
| Arrival | McCarran International Airport (LAS) |
| Flight time | 4 h 9 min (estimated) |
| Distance | 2448 km |
Checked bag in Economy: not included in the basic fare (from 45 USD).
| Item | Allowance | Details |
|---|---|---|
| Cabin bag | 1 piece | |
| Personal item | included | small bag under the seat |
| Checked baggage - Economy | 1 piece · 22.7 kg (50 lb) | paid option, from 45 USD · max total dimensions 157 cm (62 in) |
| Checked baggage - Economy | 1 piece · 22.7 kg (50 lb) | paid option |
| Extra bag | from 55 USD | cheaper when added online in advance |
Basic Economy allowance on most routes; premium fares and some destinations get more. Weights are shown in kilograms with pounds in brackets, sizes in centimetres with inches in brackets. Always confirm on the official website before travelling.
Southwest Airlines online check-in opens 24 h before departure and closes 30 min before departure. Online check-in is free.
| Online check-in opens | 24 h before departure |
|---|---|
| Online check-in closes | 30 min before departure |
| Airport counters close | 30 min before departure |
| Check-in fee | online check-in is free |
| Boarding pass | mobile boarding pass, print at home |
| Mobile app check-in | available |
| Self-service kiosks | available |
Times apply to most routes; long-haul, US and some airport-specific deadlines differ. Confirm on the official website before travelling.