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Los Cabos

$86+ Cheap flights from Illinois to Los Cabos

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Illinois to Los Cabos

Cheapest flights from Illinois to Los Cabos
Explore the most affordable flight options available from Illinois to Los Cabos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
STL
-
SJD
1 stop8h 37m
Delta
Tue 3/31:05 pm
SJD
-
STL
1 stop10h 20m
Delta
Deal found 2/1$410
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:55 pm
STL
-
SJD
1 stop17h 13m
United Airlines
Wed 3/112:46 pm
SJD
-
STL
1 stop6h 48m
United Airlines
Deal found 2/1$421
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:00 am
STL
-
SJD
1 stop9h 03m
United Airlines
Fri 3/271:11 pm
SJD
-
STL
1 stop7h 05m
United Airlines
Deal found 1/31$454
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:35 am
STL
-
SJD
1 stop7h 59m
American Airlines
Tue 3/1011:54 am
SJD
-
STL
1 stop10h 05m
American Airlines
Deal found 2/2$455
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:47 pm
STL
-
SJD
2 stops14h 53m
Delta
Tue 3/108:35 am
SJD
-
STL
2 stops13h 23m
Delta
Deal found 2/2$460
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:25 am
STL
-
SJD
1 stop7h 38m
United Airlines
Tue 2/242:11 pm
SJD
-
STL
1 stop7h 03m
United Airlines
Deal found 2/1$461
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:47 pm
STL
-
SJD
2 stops14h 53m
Delta
Tue 2/249:35 am
SJD
-
STL
2 stops13h 01m
Delta
Deal found 2/1$466
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:15 am
MLI
-
SJD
1 stop9h 35m
American Airlines
Sat 4/252:59 pm
SJD
-
MLI
1 stop6h 30m
American Airlines
Deal found 2/2$469
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:21 pm
STL
-
SJD
2 stops17h 19m
Delta
Fri 4/108:35 am
SJD
-
STL
2 stops13h 23m
Delta
Deal found 2/1$473
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:10 pm
MLI
-
SJD
2 stops16h 20m
United Airlines
Tue 5/121:44 pm
SJD
-
MLI
2 stops18h 15m
United Airlines
Deal found 2/1$474
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:22 pm
MLI
-
SJD
2 stops17h 43m
United Airlines
Fri 2/272:11 pm
SJD
-
MLI
2 stops20h 35m
United Airlines
Deal found 2/2$475
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:20 pm
ORD
-
SJD
1 stop26h 05m
Viva
Tue 6/21:10 pm
SJD
-
ORD
1 stop8h 55m
Viva
Deal found 2/2$476

Find flight deals from Illinois to Los Cabos

Keep the following information in mind while searching for Illinois to Los Cabos flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$410
(Delta)

One-way from

$86
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$665
Provider with most accurate pricing for Chicago (CHI)-San José del Cabo Los Cabos flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-San José del Cabo Los Cabos flights.
Search Deals
From Illinois to Los Cabos
Search Deals
One-way flight from Illinois to Los Cabos
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Los Cabos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Illinois to Los Cabos that are best for you.

Fly from

Illinois

Fly to

Los Cabos

Route

Depart

Return

Price

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 3/18

6:29 am-5:43 pm

2 stops13h 14m

San José del Cabo Los Cabos

Wed 3/25

3:00 pm-12:21 am

1 stop7h 21m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sun 3/1

6:55 pm-11:43 am

2 stops17h 48m

San José del Cabo Los Cabos

Wed 3/4

2:22 pm-11:21 pm

1 stop7h 59m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 3/4

6:10 am-5:37 pm

2 stops12h 27m

San José del Cabo Los Cabos

Wed 3/11

6:05 am-11:25 pm

2 stops15h 20m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 3/18

6:25 am-12:03 pm

1 stop7h 38m

San José del Cabo Los Cabos

Wed 3/25

1:11 pm-10:16 pm

1 stop7h 05m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 4/8

6:29 am-5:50 pm

2 stops13h 21m

San José del Cabo Los Cabos

Tue 4/14

2:19 pm-11:34 pm

1 stop7h 15m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 4/8

6:00 am-12:48 pm

1 stop8h 48m

San José del Cabo Los Cabos

Tue 4/14

11:52 am-9:47 pm

1 stop7h 55m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 2/25

6:00 am-5:37 pm

2 stops12h 37m

San José del Cabo Los Cabos

Tue 3/3

3:14 pm-11:36 pm

1 stop7h 22m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Sun 3/1

6:10 am-1:45 pm

1 stop8h 35m

San José del Cabo Los Cabos

Wed 3/4

3:14 pm-11:36 pm

1 stop7h 22m

$410

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Wed 3/4

6:55 pm-11:08 am

1 stop17h 13m

San José del Cabo Los Cabos

Wed 3/11

2:46 pm-11:34 pm

1 stop6h 48m

$423

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Fri 3/20

5:00 am-12:03 pm

1 stop9h 03m

San José del Cabo Los Cabos

Fri 3/27

1:11 pm-10:16 pm

1 stop7h 05m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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Best time to book a flight from Illinois to Los Cabos

Have a flexible travel schedule? Discover the best time to fly to Los Cabos from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Los Cabos

What is the cheapest month to book a flight from Illinois to Los Cabos?

Currently, June is the cheapest month in which you can book a flight from Illinois to Los Cabos (average of $347). Flying from Illinois to Los Cabos in February is currently the most expensive (average of $415). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to KPG?

Find hourly flight availability from Illinois to Los Cabos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Los Cabos as you normally would.

Weekly flight availability from Illinois to Los Cabos

Explore weekly flight availability from Illinois to Los Cabos. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from USIL to zzKPG are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Los Cabos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Los Cabos?

    A quick flight from Illinois to Los Cabos can take about 11h 21m. Delta provides one of the quickest options available for as low as $469. There are 1681 mi between Illinois and Los Cabos. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Los Cabos one-way?

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $81. Viva flights start at $82 while deals on American Airlines start at $173 one-way.

  • Can I find deals for flights from Illinois to Los Cabos that include hotel bookings?

    Yes. In addition to deals on Illinois to Los Cabos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Los Cabos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Los Cabos.

  • Can I find deals for business class flights from Illinois to Los Cabos?

    Yes. Cheapflights offers flight deals from Illinois to Los Cabos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Los Cabos?

    Currently, June is the cheapest month in which you can book a flight from Illinois to Los Cabos (average of $347). Flying from Illinois to Los Cabos in February is currently the most expensive (average of $415). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Los Cabos

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Los Cabos

Discover the top 6 airlines that operate flights from Illinois to Los Cabos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$252Average$388FlexibilityNo cancel feeOn-time79%
VivaCheapest$268Average$355FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$278Average$543FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$417Average$668FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$418Average$687FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$485Average$696FlexibilityNo cancel feeOn-time63%

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