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Find cheap flights from Illinois to the United States from $23

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to the United States departing on 8/24. 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
sáb. 6/29
sáb. 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$23
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Chicago O'Hare Airport to New York LaGuardia Airport

FAQs for booking flights from Illinois to the United States

  • How does KAYAK find such low prices on flights from Illinois to the United States?

    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 the United States.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to the United States 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 the United States?

    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 the United States 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 the United States?

    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 the United States from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to the United States

Recent round-trip flight deals

8/27mar.
nonstopSpirit Airlines
2h 18mORD-BOS
8/28mié.
nonstopSpirit Airlines
2h 33mBOS-ORD
$33
9/10mar.
nonstopSpirit Airlines
2h 11mORD-LGA
9/11mié.
nonstopSpirit Airlines
2h 39mLGA-ORD
$40
6/5mié.
1 stop
6h 56mORD-MIA
6/12mié.
nonstop
3h 26mMIA-ORD
$76
6/8sáb.
1 stop
30h 42mORD-MIA
6/11mar.
nonstop
3h 26mMIA-ORD
$78
6/12mié.
nonstopFrontier
2h 56mORD-MCO
6/14vie.
nonstopFrontier
3h 09mMCO-ORD
$95
10/15mar.
nonstopFrontier
2h 58mORD-MCO
10/22mar.
nonstopFrontier
3h 00mMCO-ORD
$98
7/2mar.
nonstopJetBlue
2h 25mORD-JFK
7/9mar.
nonstopJetBlue
2h 43mJFK-ORD
$127
8/28mié.
nonstopDelta
2h 14mORD-LGA
8/31sáb.
nonstopDelta
2h 40mLGA-ORD
$133
8/28mié.
nonstopJetBlue
2h 19mORD-JFK
8/31sáb.
nonstopJetBlue
2h 45mJFK-ORD
$148
8/27mar.
nonstopDelta
4h 25mORD-SEA
8/31sáb.
nonstopDelta
3h 56mSEA-ORD
$149

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Recent one-way flight deals

8/24sáb.
nonstopSpirit Airlines
2h 12mORD-LGA
$23
9/10mar.
nonstopSpirit Airlines
2h 18mORD-BOS
$23
8/28mié.
1 stopFrontier
6h 06mORD-MIA
$48
6/18mar.
nonstopFrontier
2h 52mORD-MCO
$49
6/5mié.
1 stop
14h 00mORD-BOS
$54
9/9lun.
nonstopAmerican Airlines
2h 24mORD-EWR
$60
11/14jue.
nonstopAmerican Airlines
2h 18mORD-EWR
$61
8/28mié.
nonstopDelta
2h 09mORD-LGA
$64
9/1dom.
nonstopDelta
4h 25mORD-SEA
$75
6/5mié.
2 stops
10h 05mORD-BOS
$83

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Last minute flights from Illinois to the United States

Last minute flight, train and bus deals

6/4mar.
multi-stopSpirit Airlines
11h 01mORD-BOS
6/5mié.
multi-stopSpirit Airlines
12h 30mBOS-ORD
$70
6/4mar.
nonstopSpirit Airlines
3h 17mORD-MIA
6/6jue.
nonstopSpirit Airlines
3h 29mMIA-ORD
$83
6/4mar.
multi-stop
13h 20mORD-LGA
6/5mié.
multi-stop
7h 16mLGA-ORD
$88
6/4mar.
nonstop
3h 17mORD-MIA
6/6jue.
multi-stop
18h 10mMIA-ORD
$89
6/4mar.
multi-stopFrontier
6h 52mORD-MIA
6/5mié.
multi-stopFrontier
14h 18mMIA-ORD
$100
6/4mar.
multi-stopFrontier
6h 15mORD-MIA
6/8sáb.
multi-stopFrontier
9h 00mMIA-ORD
$104
6/4mar.
nonstopAmerican Airlines
2h 26mORD-BOS
6/5mié.
nonstopAmerican Airlines
3h 06mBOS-ORD
$167
6/4mar.
nonstopJetBlue
2h 26mORD-BOS
6/5mié.
multi-stopJetBlue
5h 11mBOS-ORD
$189
6/4mar.
multi-stopAmerican Airlines
4h 03mORD-JFK
6/13jue.
nonstopAmerican Airlines
2h 51mJFK-ORD
$247
6/4mar.
nonstopJetBlue
2h 29mORD-BOS
6/18mar.
nonstopJetBlue
2h 54mBOS-ORD
$247

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Flights to the United States

Return flight deals:

United States - Illinois

Cabin classes:

$172
$194
$296
$37

Browse origins:

$158
Flights from Decatur, Illinois to United States
$190
Flights from Dubuque to United States
$86
Flights from Evansville to United States
$333
Flights from Marion, Illinois to United States
$114
Flights from Moline to United States
$288
Flights from Paducah to United States
$77
Flights from Peoria, Illinois to United States
$156
Flights from Quincy, Illinois to United States
$75
Flights from Springfield, Illinois to United States
$40
Flights from St. Louis to United States
View more

Browse destinations:

$66
Flights to Colorado, the United States
$40
Flights to Connecticut, the United States
$188
Flights to District of Columbia, the United States
$37
Flights to Florida, the United States
$48
Flights to Georgia, the United States
$357
Flights to Hawaii, the United States
$118
Flights to Idaho, the United States
$113
Flights to Indiana, the United States
$116
Flights to Iowa, the United States
$154
Flights to Kansas, the United States
$62
Flights to Kentucky, the United States
$52
Flights to Louisiana, the United States
$40
Flights to Maine, the United States
$58
Flights to Maryland, the United States
$40
Flights to Massachusetts, the United States
$113
Flights to Michigan, the United States
$88
Flights to Minnesota, the United States
$140
Flights to Mississippi, the United States
$82
Flights to Missouri, the United States
$173
Flights to Montana, the United States
$173
Flights to Nebraska, the United States
$40
Flights to Nevada, the United States
$40
Flights to New Hampshire, the United States
$40
Flights to New Jersey, the United States
$132
Flights to New Mexico, the United States
$40
Flights to New York State, the United States
$39
Flights to North Carolina, the United States
$179
Flights to North Dakota, the United States
$101
Flights to Ohio, the United States
$58
Flights to Oklahoma, the United States
$68
Flights to Oregon, the United States
$40
Flights to Pennsylvania, the United States
$40
Flights to Rhode Island, the United States
$39
Flights to South Carolina, the United States
$198
Flights to South Dakota, the United States
$62
Flights to Tennessee, the United States
$58
Flights to Texas, the United States
$143
Flights to Utah, the United States
$120
Flights to Vermont, the United States
$72
Flights to Virginia, the United States
$68
Flights to Washington, the United States
$101
Flights to West Virginia, the United States
$88
Flights to Wisconsin, the United States
$66
Flights to Wyoming, the United States
View more