Southwest Airlines flights from Chicago to Denver
Weather by month: Chicago and Denver
| Month | Chicago | Denver |
|---|---|---|
| January | -5°C · 60 mm | -5°C · 20 mm |
| February | -3°C · 24 mm | -1°C · 25 mm |
| March | 6°C · 94 mm | 8°C · 48 mm |
| April | 10°C · 65 mm | 10°C · 24 mm |
| May | 13°C · 71 mm | 15°C · 73 mm |
| June | 22°C · 124 mm | 21°C · 62 mm |
| July | 25°C · 103 mm | 25°C · 29 mm |
| August | 23°C · 42 mm | 24°C · 57 mm |
| September | 20°C · 38 mm | 19°C · 47 mm |
| October | 14°C · 56 mm | 12°C · 28 mm |
| November | 6°C · 74 mm | 7°C · 4 mm |
| December | -3°C · 81 mm | 3°C · 14 mm |
Average temperature and total rainfall per month, last full year.
Cheapest tickets found recently
No Southwest Airlines fares were found in the last 48 hours; these are the lowest prices on the route with the carrier shown on each card.
About Southwest Airlines flights from Chicago to Denver
Southwest Airlines (WN) operates flights on the Chicago to Denver route, departing from Chicago Midway International Airport (MDW) and arriving at Denver International Airport (DEN). This route covers approximately 1,477 kilometers and typically takes 165 minutes of flight time. Southwest usually flies this route non-stop, making it convenient for business travelers and leisure visitors heading between these two major U.S. cities.
Fares on this route tend to be lowest in September, so booking during that period may offer better prices. Southwest does not include a checked bag in the base fare-the first checked bag weighs up to 22.7 kg. Online check-in opens 24 hours before departure and closes 30 minutes before takeoff, allowing you to complete check-in from home or your mobile device.
Airports on this route
| Departure | Chicago Midway International Airport (MDW) |
|---|---|
| Arrival | Denver International Airport (DEN) |
| Flight time | 2 h 45 min |
| Distance | 1477 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.