Cheapest airlines flights from Chicago to Los Angeles

You can choose from 4 airlines that fly from Chicago to Los Angeles, including United Airlines, Frontier Airlines, and American Airlines. Frontier Airlines has lowest fares on this route.
United Airlines logo United Airlines
Frontier Airlines logo Frontier Airlines
American Airlines logo American Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Chicago to Los Angeles according to previous 12 months data from Trip.com.

Search for direct flights from Chicago to Los Angeles in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$44, and round-trip direct flights start at US$79.

Displayed flight fares from Chicago to Los Angeles are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Chicago to Los Angeles Flight Details

The distance between Chicago and Los Angeles is about 2,821.98 km. The average flying time from Chicago to Los Angeles is around 4 hours 34 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$44
Cheapest return ticket priceUS$79
Cheapest monthNovember
Peak season for travelJuly
Flight distance2,821.98 km
Average flight time4 hours 34 minutes
Popular airlineUnited Airlines
Flight statistics for the Chicago–Los Angeles route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Chicago to Los Angeles

Which month has the cheapest one-way flights from Chicago to Los Angeles?

The average price of one-way flights from Chicago to Los Angeles purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Los Angeles is May, with an average price of US$174; while the month with the highest flight price is usually February, with an average price of up to US$284.

US$284
US$229
US$174
US$119
    Cheapest
  • US$276
    Mar
  • US$219
    Apr
  • US$174
    May
  • US$182
    Jun
  • US$202
    Jul
  • US$199
    Aug
  • US$181
    Sep
  • US$186
    Oct
  • US$199
    Nov
  • US$221
    Dec
  • US$281
    Jan
  • US$284
    Feb

Which month has the cheapest round-trip flights from Chicago to Los Angeles?

The average price of round-trip flights from Chicago to Los Angeles purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Chicago to Los Angeles are found during September, with an average price of US$236. Conversely, the highest prices are found during November, with an average price of up to US$510.

US$510
US$373
US$236
US$99
    Cheapest
  • US$392
    Mar
  • US$289
    Apr
  • US$351
    May
  • US$343
    Jun
  • US$319
    Jul
  • US$498
    Aug
  • US$236
    Sep
  • US$321
    Oct
  • US$510
    Nov
  • US$339
    Dec
  • US$371
    Jan
  • US$458
    Feb

What is the cheapest day of the week to fly from Chicago to Los Angeles?

Average weekly flight prices from Chicago to Los Angeles by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Chicago to Los Angeles is Saturday, with average prices lower than on other days. Avoid Sunday, as prices are usually highest then.

US$243
US$216
US$188
US$161
    Cheapest
  • US$217
    Mon
  • US$191
    Tue
  • US$196
    Wed
  • US$192
    Thu
  • US$222
    Fri
  • US$188
    Sat
  • US$243
    Sun

What is the cheapest day to fly from Chicago to Los Angeles during Easter Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way flight prices from Chicago to Los Angeles during Easter Day.

During the Easter Day period, the cheapest flights from Chicago to Los Angeles were available on Apr 14 with the lowest price being US$78.

US$150
US$114
US$78
US$42
    Cheapest
  • US$126
    Apr 8
  • US$150
    Apr 9
  • US$113
    Apr 10
  • US$131
    Apr 11
  • US$80
    Apr 12
  • US$98
    Apr 13
  • US$78
    Apr 14

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Los Angeles (CHI-LAX)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$44 on Cheapest nonstop routes (e.g. ORD to LAX on Tue, May 5), while Frontier Airlines offers Cheapest nonstop round-trips from US$79 departing on Wed, May 6 and returning on Sat, May 9.
  • At the moment, you can catch a nonstop flight from Chicago to Los Angeles with the following airlines, including: United Airlines American Airlines Frontier Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 4 hours 34 minutes to fly from Chicago to Los Angeles.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Los Angeles is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 114 flight per week flying from Chicago to Los Angeles. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA530 (09:41)
  • To find best deals on flights from Chicago to Los Angeles, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, May 5, with one-way flights priced at just US$44.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Los Angeles travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Los Angeles is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Chicago to Los Angeles on March 18, 2026 with Frontier Airlines, with prices starting at US$109.
  • You can land at any one of the following hubs in Los Angeles, with O'Hare International Airport to Los Angeles International Airport (ORD-LAX) is by far the most common option on this route: Los Angeles International Airport (LAX) Ontario International Airport (ONT) Van Nuys Airport (VNY).
  • The time difference between Los Angeles and Chicago is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Chicago to Los Angeles

Which airline offers the cheapest direct flights from Chicago to Los Angeles?

Data is based on the average price of all nonstop flights from Chicago to Los Angeles on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Spirit Airlines provides the lowest-priced direct flights from Chicago to Los Angeles, with fares starting at US$156.

US$110
US$156
US$203
US$249
US$295
Spirit Airlines
US$156
Spirit Airlines
Frontier Airlines
US$159
Frontier Airlines
American Airlines
US$250
American Airlines
Delta Air Lines
US$291
Delta Air Lines
United Airlines
US$295
United Airlines

Which airline operates the most flights from Chicago to Los Angeles?

Total flights from Chicago to Los Angeles across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from Chicago to Los Angeles, with 77 flights per week.

50
59
68
77
United Airlines
77
United Airlines
Air New Zealand
64
Air New Zealand
Air Canada
64
Air Canada
American Airlines
62
American Airlines
British Airways
61
British Airways
Virgin Australia
59
Virgin Australia

How many flights fly from Chicago to Los Angeles daily?

The data is based on the flight numbers for each day of the week from Chicago to Los Angeles within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Chicago to Los Angeles is the highest on Friday and the lowest on Wednesday.

509
449
389
329
Highest
405
Mon
402
Tue
389
Wed
395
Thu
509
Fri
442
Sat
474
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.