United Airlines flights from Chicago to Los Angeles
Chicago to Los Angeles: prices by month
Lowest one-way fares found by travellers for each month. Prices change daily; the link opens live search results for that date. Weather: average temperature and total rainfall for that month last year.
| Month | Lowest fare | Airline | Stops | Los Angeles weather | |
|---|---|---|---|---|---|
| September 2026 | 209 USD | Frontier Airlines | 1 stop | 23°C · 25 mm | Search → |
| October 2026 | 126 USD | Frontier Airlines | direct | 19°C · 59 mm | Search → |
| November 2026 | 377 USD | Frontier Airlines | 1 stop | 16°C · 205 mm | Search → |
| December 2026 | 328 USD | Southwest Airlines | direct | 14°C · 165 mm | Search → |
| July 2027 | 368 USD | American Airlines | direct | 22°C · 0 mm | Search → |
Cheapest tickets found recently
No United 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 United Airlines flights from Chicago to Los Angeles
United Airlines operates flights between Chicago and Los Angeles, connecting O'Hare International Airport (ORD) with Los Angeles International Airport (LAX). This route covers 2,803 kilometers and typically takes around 290 minutes of flight time. United usually flies this route non-stop, making it convenient for business travelers, leisure visitors, and anyone traveling between these major US cities.
Fares tend to be lowest in October. On Economy fares, checked baggage is not included, though you can purchase one checked bag up to 23 kg. Your cabin bag must fit within 56x36x23 cm. Online check-in opens 24 hours before departure and closes 45 minutes before takeoff.
Airports on this route
| Departure | O'Hare International Airport (ORD) |
|---|---|
| Arrival | Los Angeles International Airport (LAX) |
| Flight time | 4 h 50 min |
| Distance | 2803 km |
United Airlines cabin bag: 1 piece, 56 × 36 × 23 cm (22 × 14 × 9 in). Checked bag in Economy: not included in the basic fare (from 45 USD).
| Item | Allowance | Details |
|---|---|---|
| Cabin bag | 1 piece | 56 × 36 × 23 cm (22 × 14 × 9 in) |
| Personal item | included | small bag under the seat |
| Checked baggage - Economy | 1 piece · 23 kg (51 lb) | paid option, from 45 USD · max total dimensions 158 cm (62 in) |
| 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.
United Airlines online check-in opens 24 h before departure and closes 45 min before departure. Online check-in is free.
| Online check-in opens | 24 h before departure |
|---|---|
| Online check-in closes | 45 min before departure |
| Airport counters open | 3 h before departure |
| Airport counters close | 45 min before departure |
| Boarding gate closes | 45 min before departure |
| Check-in fee | online check-in is free |
| Boarding pass | mobile boarding pass, print at home, at the airport |
| 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.