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Illinois

$86+ Cheap flights from Sacramento (SMF) to Illinois

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Sacramento to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Round-trip from

$183
(CheapOair)

One-way from

$86
(Trip.com)
From Sacramento Intl to Illinois
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One-way flight from Sacramento Intl to Illinois
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Find flight deals from Sacramento to Illinois

Cheapest flights from Sacramento to Illinois
Explore the most affordable flight options available from Sacramento to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This CheapOair deal was found by Cheapflights users on 1/20. 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.
Thu 2/133:34 pmSMF - STL
1 stop15h 42mFrontier
Mon 2/1711:08 pmSTL - SMF
1 stop21h 38mFrontier
Deal found 1/20$183
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/204:20 pmSMF - ORD
2 stops11h 08mSpirit Airlines
Mon 2/2411:35 amORD - SMF
2 stops21h 12mSpirit Airlines
Deal found 1/19$219
This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/219:16 pmSMF - ORD
1 stop6h 51mMultiple Airlines
Mon 2/247:54 pmORD - SMF
1 stop24h 52mMultiple Airlines
Deal found 1/19$220
This Frontier deal was found by Cheapflights users on 1/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/237:59 pmSMF - MDW
1 stop7h 32mFrontier
Thu 3/276:40 amMDW - SMF
1 stop7h 47mFrontier
Deal found 1/19$223
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/124:23 pmSMF - STL
1 stop5h 34mAmerican Airlines
Tue 2/187:15 amSTL - SMF
1 stop6h 59mAmerican Airlines
Deal found 1/19$237
This Booking.com deal was found by Cheapflights users on 1/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:56 amSMF - ORD
1 stop9h 49mFrontier
Sun 5/185:25 pmORD - SMF
1 stop19h 31mFrontier
Deal found 1/19$246
This Delta deal was found by Cheapflights users on 1/20. 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 9/410:40 pmSMF - STL
1 stop7h 26mDelta
Mon 9/82:18 pmSTL - SMF
1 stop9h 37mDelta
Deal found 1/20$257
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/1911:11 amSMF - MLI
1 stop8h 12mAmerican Airlines
Thu 2/276:27 amMLI - SMF
1 stop9h 05mAmerican Airlines
Deal found 1/19$259
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/176:48 amSMF - STL
1 stop15h 11mAlaska Airlines
Mon 2/247:00 amSTL - SMF
1 stop8h 12mAlaska Airlines
Deal found 1/19$267
This Delta deal was found by Cheapflights users on 1/19. 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 2/197:05 amSMF - MLI
1 stop7h 20mDelta
Thu 2/275:47 amMLI - SMF
2 stops15h 20mDelta
Deal found 1/19$288
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 6/32:11 pmSMF - STL
1 stop6h 34mUnited Airlines
Fri 6/64:30 pmSTL - SMF
1 stop8h 43mUnited Airlines
Deal found 1/18$292
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:30 amSMF - ORD
1 stop21h 10mAlaska Airlines
Wed 4/167:40 amORD - SMF
1 stop17h 51mAlaska Airlines
Deal found 1/18$314

Find flights from Sacramento to Illinois within your budget

Customize your flight search to find flights from Sacramento to Illinois 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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Thu 2/13

3:34 pm-9:16 am

1 stop15h 42m

Lambert-St Louis

Mon 2/17

11:08 pm-6:46 pm

1 stop21h 38m

$183

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 2/20

4:20 pm-5:28 am

2 stops11h 08m

Chicago O'Hare Intl

Mon 2/24

11:35 am-6:47 am

2 stops21h 12m

$219

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Fri 2/21

9:16 pm-6:07 am

1 stop6h 51m

Chicago O'Hare Intl

Mon 2/24

7:54 pm-6:46 pm

1 stop24h 52m

$220

SacramentoChicago

SMF - MDW

SMFMDW

Sacramento Intl

Sun 3/23

7:59 pm-5:31 am

1 stop7h 32m

Chicago Midway

Thu 3/27

6:40 am-12:27 pm

1 stop7h 47m

$223

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Wed 2/12

4:23 pm-11:57 pm

1 stop5h 34m

Lambert-St Louis

Tue 2/18

7:15 am-12:14 pm

1 stop6h 59m

$237

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Sat 5/3

11:05 pm-9:31 am

1 stop8h 26m

Lambert-St Louis

Sat 5/10

6:30 am-12:52 pm

1 stop8h 22m

$257

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Wed 2/19

11:11 am-9:23 pm

1 stop8h 12m

Moline Quad-City

Thu 2/27

6:27 am-1:32 pm

1 stop9h 05m

$259

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

Thu 3/6

7:59 pm-5:10 am

1 stop7h 11m

Chicago O'Hare Intl

Sun 3/9

6:45 am-12:32 pm

1 stop7h 47m

$259

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

Mon 2/17

6:48 am-11:59 pm

1 stop15h 11m

Lambert-St Louis

Mon 2/24

7:00 am-1:12 pm

1 stop8h 12m

$267

SacramentoMoline

SMF - MLI

SMFMLI

Sacramento Intl

Wed 2/19

7:05 am-4:25 pm

1 stop7h 20m

Moline Quad-City

Thu 2/27

5:47 am-7:07 pm

2 stops15h 20m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 44 results
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Best time to book a flight from Sacramento to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Sacramento 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.

Travel insights for flights from Sacramento to Illinois

Get recent, data-driven insights about flights from Sacramento to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $245). Flying from Sacramento to Illinois in March is currently the most expensive (average of $320). 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 SMF to IL?

Find hourly flight availability from Sacramento to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

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

Weekly flight availability from Sacramento to Illinois

Explore weekly flight availability from Sacramento to Illinois. 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 January 20, 2025.

The most flights from SMF to USIL are scheduled on a Wednesday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated January 20, 2025.
Get a feel of what it's like to fly with Spirit Airlines, Frontier and Alaska Airlines from Sacramento to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,696 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,982 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

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

  • What airport do you fly from for flights from Sacramento to Illinois?

    Most people fly from Sacramento Intl (SMF) if they book a flight from Sacramento to Illinois. Sacramento Intl is conveniently located just 9.4 mi from Sacramento’s city center.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $86. Alaska Airlines flights start at $123 while deals on American Airlines start at $124 one-way.

  • What are the most popular routes from Sacramento to Illinois?

    The most popular flight routes from Sacramento to Illinois are Sacramento Intl - Chicago O'Hare Intl, Sacramento Intl - Chicago Midway and Sacramento Intl - Lambert-St Louis.

  • What are the most reliable airlines from Sacramento to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sacramento to Illinois on time: United Airlines (89%), Lufthansa (88%), Air Canada (87%).

  • What are the cheapest flights from Sacramento to Illinois?

    Looking for the cheapest flight from Sacramento to Illinois? While on average our users pay $956, our data indicates the cheapest price to be $164. The most popular route (Sacramento Intl - Chicago O'Hare Intl), is priced around $135.

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

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

  • How can I find direct flights from Sacramento to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Sacramento to Illinois 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 Sacramento to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Sacramento to Illinois (average of $245). Flying from Sacramento to Illinois in March is currently the most expensive (average of $320). 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.

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Alternative routes for Sacramento to Illinois

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Top 6 airlines flying from Sacramento to Illinois

Discover the top 6 airlines that operate flights from Sacramento to Illinois. 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$215FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$159Average$285FlexibilityNo cancel feeOn-time65%
DeltaCheapest$221Average$513FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$556FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$546FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$384Average$505FlexibilityNo cancel feeOn-time63%
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