Illinois

$116+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ORD
may. 6 — may. 131
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Cheap flight deals from Sacramento to Illinois

Keep the following information in mind while searching for Sacramento to Illinois flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$252
(United Airlines)

One-way from

$119
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$343
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
From Sacramento Intl to Illinois
One-way flight from Sacramento Intl to Illinois
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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 mayo 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/274:20 pmSMF - STL
1 stop5h 38mAmerican Airlines
mar. 6/35:00 amSTL - SMF
1 stop7h 33mAmerican Airlines
Deal found 4/29$252
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 5/207:00 amSMF - STL
1 stop6h 47mUnited Airlines
lun. 6/25:27 pmSTL - SMF
1 stop7h 18mUnited Airlines
Deal found 4/30$257
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 5/276:00 amSMF - STL
1 stop9h 00mDelta
mar. 6/32:29 pmSTL - SMF
2 stops9h 20mDelta
Deal found 4/29$281
This Booking.com deal was found by Cheapflights users on 4/30. 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.
vie. 6/612:13 pmSMF - STL
1 stop19h 55mFrontier
dom. 6/82:27 pmSTL - SMF
1 stop28h 54mFrontier
Deal found 4/30$320
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/197:44 pmSMF - ORD
1 stop8h 28mSpirit Airlines
dom. 6/2211:50 amORD - SMF
1 stop8h 59mSpirit Airlines
Deal found 4/30$321
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/2712:35 pmSMF - STL
Nonstop3h 40mSouthwest
mar. 6/35:45 amSTL - SMF
1 stop6h 05mSouthwest
Deal found 4/29$323
This Booking.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/77:37 pmSMF - ORD
1 stop7h 48mMultiple Airlines
dom. 5/118:14 pmORD - SMF
1 stop18h 14mMultiple Airlines
Deal found 4/29$325
This Mytrip deal was found by Cheapflights users on 4/29. 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.
mié. 6/410:41 amSMF - STL
2 stops20h 34mMultiple Airlines
jue. 6/51:00 pmSTL - SMF
3 stops22h 46mMultiple Airlines
Deal found 4/29$328
This CheapOair deal was found by Cheapflights users on 4/30. 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.
jue. 5/11:18 pmSMF - ORD
1 stop13h 52mFrontier
jue. 5/88:14 pmORD - SMF
1 stop18h 14mFrontier
Deal found 4/30$330
This CheapOair deal was found by Cheapflights users on 4/30. 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.
jue. 5/227:02 pmSMF - MDW
1 stop17h 58mFrontier
lun. 5/266:25 amMDW - SMF
1 stop13h 07mFrontier
Deal found 4/30$340
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 5/276:37 amSMF - ORD
1 stop8h 25mAlaska Airlines
mar. 5/277:51 pmORD - SMF
2 stops22h 25mAlaska Airlines
Deal found 4/30$340
This American Airlines deal was found by Cheapflights users on 4/30. 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.
dom. 5/2511:23 amSMF - ORD
Nonstop4h 12mAmerican Airlines
mar. 6/38:09 amORD - SMF
Nonstop4h 24mAmerican Airlines
Deal found 4/30$341

Cheapflights Fare Finder

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 mayo 1, 2025.
Use the filters below to find and compare flights from Sacramento to Illinois that are best for you.

Fly from

Sacramento

Fly to

Illinois

Route

Depart

Return

Price

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mié. 5/21

8:40 am-4:33 pm

1 stop5h 53m

Lambert-St Louis

lun. 6/2

5:27 pm-10:45 pm

1 stop7h 18m

$252

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

vie. 6/6

5:15 pm-12:59 am

1 stop5h 44m

Lambert-St Louis

dom. 6/8

2:15 pm-10:05 pm

1 stop9h 50m

$257

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mié. 7/2

11:55 pm-9:18 am

1 stop7h 23m

Lambert-St Louis

dom. 7/6

9:05 pm-12:55 am

1 stop5h 50m

$293

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

jue. 5/29

7:37 pm-9:15 am

2 stops35h 38m

Lambert-St Louis

jue. 6/5

10:10 am-6:42 pm

2 stops34h 32m

$314

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

jue. 5/15

2:40 pm-5:25 am

1 stop12h 45m

Chicago O'Hare Intl

sáb. 5/24

7:00 am-9:41 pm

2 stops16h 41m

$319

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

mar. 5/20

8:12 am-11:59 pm

2 stops13h 47m

Chicago O'Hare Intl

vie. 5/30

6:00 am-6:59 pm

2 stops14h 59m

$320

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

jue. 6/19

7:44 pm-6:12 am

1 stop8h 28m

Chicago O'Hare Intl

dom. 6/22

11:50 am-6:49 pm

1 stop8h 59m

$321

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

mar. 5/27

12:35 pm-6:15 pm

Nonstop3h 40m

Lambert-St Louis

mar. 6/3

5:45 am-9:50 am

1 stop6h 05m

$323

SacramentoChicago

SMF - ORD

SMFORD

Sacramento Intl

mié. 6/4

11:12 pm-11:47 am

2 stops10h 35m

Chicago O'Hare Intl

sáb. 6/14

7:09 am-12:28 pm

1 stop7h 19m

$332

SacramentoSt. Louis

SMF - STL

SMFSTL

Sacramento Intl

jue. 5/29

2:40 pm-6:41 pm

3 stops26h 01m

Lambert-St Louis

jue. 6/5

10:10 am-1:44 pm

2 stops29h 34m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 56 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.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to Illinois

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 $321). 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 mayo 1, 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 mayo 1, 2025.

The most flights from SMF to USIL are scheduled on a Tuesday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 mayo 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines, which is currently one of the cheapest options available, starting at $119. Frontier flights start at $120 while deals on Delta start at $129 one-way.

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

  • 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: Lufthansa (90%), Air Canada (87%), American Airlines (73%).

  • What are the cheapest flights from Sacramento to Illinois?

    Looking for the cheapest flight from Sacramento to Illinois? While on average our users pay $924, our data indicates the cheapest price to be $128. The most popular route (Sacramento Intl - Chicago O'Hare Intl), is priced around $126.

  • 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 $321). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$153Average$284FlexibilityNo cancel feeOn-time65%
DeltaCheapest$241Average$583FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$507FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$546FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$391Average$483FlexibilityNo cancel feeOn-time63%

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