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$67 Find cheap flights from Illinois to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Francisco departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 6/30
Sun 7/7

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Good to know

Low season

January

High season

June

Cheapest flight

$67
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Chicago Midway Airport to San Francisco

FAQs for booking flights from Illinois to San Francisco

  • How does KAYAK find such low prices on flights from Illinois to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Illinois to San Francisco?

Find which airlines fly direct from Illinois to San Francisco, which days they fly and book direct flights.

Nonstop departures

Illinois to San Francisco

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights

Nonstop returns

San Francisco to Illinois

Monday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Tuesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Wednesday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Friday

AIR PREMIA, ANA, Aer Lingus, +79 more

AIR PREMIA, ANA, +80 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

AIR PREMIA, ANA, Aer Lingus, +81 more

AIR PREMIA, ANA, +82 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to San Francisco

Recent round-trip flight deals

9/14Sat
nonstopFrontier
4h 38mMDW-SFO
9/16Mon
nonstopFrontier
4h 11mSFO-MDW
$138
7/3Wed
nonstopFrontier
4h 28mMDW-SFO
7/10Wed
nonstopFrontier
4h 10mSFO-MDW
$140
9/14Sat
nonstopAlaska Airlines
4h 44mORD-SFO
9/21Sat
nonstopAlaska Airlines
4h 20mSFO-ORD
$150
9/14Sat
nonstopAlaska Airlines
4h 44mORD-SFO
9/16Mon
nonstopAlaska Airlines
4h 20mSFO-ORD
$151
8/19Mon
nonstop
4h 37mORD-SFO
8/21Wed
1 stop
8h 29mSFO-ORD
$171
8/12Mon
nonstop
4h 37mORD-SFO
8/19Mon
1 stop
12h 09mSFO-ORD
$176
8/16Fri
1 stopUnited Airlines
6h 31mORD-SFO
8/21Wed
nonstopUnited Airlines
4h 15mSFO-ORD
$185
7/31Wed
nonstopUnited Airlines
4h 40mORD-SFO
8/5Mon
nonstopUnited Airlines
4h 18mSFO-ORD
$187
9/12Thu
nonstopAmerican Airlines
4h 39mORD-SFO
9/15Sun
nonstopAmerican Airlines
4h 15mSFO-ORD
$204
9/12Thu
1 stopAmerican Airlines
7h 09mMLI-SFO
9/19Thu
1 stopAmerican Airlines
7h 53mSFO-MLI
$244

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Recent one-way flight deals

6/7Fri
nonstopFrontier
4h 28mMDW-SFO
$67
8/24Sat
nonstopFrontier
4h 38mMDW-SFO
$69
7/27Sat
nonstopAlaska Airlines
4h 37mORD-SFO
$95
8/1Thu
nonstopAlaska Airlines
4h 37mORD-SFO
$100
8/13Tue
2 stopsAmerican Airlines
10h 58mCMI-SFO
$100
9/4Wed
1 stopAmerican Airlines
7h 16mMLI-SFO
$102
8/6Tue
1 stopUnited Airlines
6h 23mORD-SFO
$109
7/2Tue
1 stopSun Country Air
16h 39mORD-SFO
$111
8/6Tue
nonstopUnited Airlines
4h 40mORD-SFO
$132
6/23Sun
1 stopSun Country Air
15h 56mSTL-SFO
$145

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Last minute flights from Illinois to San Francisco

Last minute flight, train and bus deals

6/3Mon
multi-stopFrontier
12h 55mSTL-SFO
6/12Wed
multi-stopFrontier
9h 37mSFO-STL
$177
6/3Mon
multi-stopFrontier
15h 03mSTL-SFO
6/12Wed
multi-stopFrontier
9h 37mSFO-STL
$182
6/1Sat
multi-stopAmerican Airlines
6h 18mSTL-SFO
7/6Sat
multi-stopAmerican Airlines
7h 27mSFO-STL
$224
6/1Sat
multi-stop
6h 42mORD-SFO
7/6Sat
nonstop
4h 21mSFO-ORD
$244
6/5Wed
nonstop
4h 44mORD-SFO
6/12Wed
multi-stop
8h 21mSFO-ORD
$284
6/5Wed
nonstopUnited Airlines
4h 42mORD-SFO
6/19Wed
nonstopUnited Airlines
4h 13mSFO-ORD
$387
6/4Tue
multi-stopAmerican Airlines
7h 44mSPI-SFO
6/7Fri
multi-stopAmerican Airlines
6h 47mSFO-SPI
$421
6/1Sat
nonstopUnited Airlines
4h 40mORD-SFO
7/6Sat
nonstopUnited Airlines
4h 17mSFO-ORD
$425
6/5Wed
multi-stopAlaska Airlines
7h 29mORD-SFO
6/6Thu
multi-stopAlaska Airlines
10h 24mSFO-ORD
$500
6/1Sat
multi-stopAlaska Airlines
8h 16mORD-SFO
6/11Tue
multi-stopAlaska Airlines
14h 50mSFO-ORD
$576

Search by stops

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