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Find cheap flights from Illinois to the United States from $22

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 6/25. 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
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$22
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Chicago O'Hare Airport to Fort Lauderdale

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

6/4Tue
nonstopSpirit Airlines
3h 06mORD-FLL
6/5Wed
nonstopSpirit Airlines
3h 23mFLL-ORD
$40
6/4Tue
nonstopSpirit Airlines
3h 06mORD-FLL
6/11Tue
nonstopSpirit Airlines
3h 22mFLL-ORD
$50
6/5Wed
nonstop
2h 32mORD-DFW
6/11Tue
nonstop
2h 23mDFW-ORD
$57
6/5Wed
nonstop
2h 32mORD-DFW
6/12Wed
nonstop
2h 23mDFW-ORD
$65
6/1Sat
nonstopFrontier
2h 31mORD-DFW
6/4Tue
nonstopFrontier
2h 45mDFW-ORD
$75
6/8Sat
nonstopFrontier
2h 29mORD-DFW
6/11Tue
nonstopFrontier
2h 23mDFW-ORD
$77
8/21Wed
nonstopJetBlue
2h 19mORD-JFK
8/21Wed
nonstopJetBlue
2h 53mJFK-ORD
$121
8/13Tue
nonstopJetBlue
2h 19mORD-JFK
8/20Tue
nonstopJetBlue
2h 53mJFK-ORD
$127
6/11Tue
nonstopUnited Airlines
2h 21mORD-LGA
6/18Tue
nonstopUnited Airlines
2h 37mLGA-ORD
$133
8/17Sat
nonstopUnited Airlines
4h 40mORD-SEA
8/21Wed
1 stopUnited Airlines
9h 45mSEA-ORD
$154

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Recent one-way flight deals

6/25Tue
nonstopSpirit Airlines
3h 13mORD-FLL
$22
5/29Wed
nonstopSpirit Airlines
2h 11mORD-LGA
$23
6/26Wed
nonstopFrontier
2h 29mORD-DFW
$34
7/3Wed
nonstopFrontier
2h 29mORD-DFW
$39
6/1Sat
1 stop
26h 38mORD-MCO
$54
6/18Tue
nonstopDelta
2h 09mORD-LGA
$64
6/25Tue
nonstopJetBlue
2h 25mORD-JFK
$64
7/23Tue
nonstopDelta
2h 41mORD-JFK
$74
8/2Fri
nonstopJetBlue
2h 20mORD-JFK
$84
6/7Fri
3 stops
27h 26mORD-FLL
$98

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Last minute flights from Illinois to the United States

Last minute flight, train and bus deals

5/25Sat
nonstop
2h 29mORD-DFW
5/30Thu
nonstop
2h 45mDFW-ORD
$122
5/26Sun
nonstop
4h 10mORD-LAS
5/28Tue
nonstop
3h 41mLAS-ORD
$134
5/26Sun
nonstopFrontier
4h 10mORD-LAS
5/31Fri
nonstopFrontier
3h 46mLAS-ORD
$136
5/27Mon
nonstopFrontier
4h 10mORD-LAS
5/31Fri
nonstopFrontier
3h 46mLAS-ORD
$146
5/25Sat
nonstopSpirit Airlines
2h 29mORD-DFW
5/28Tue
multi-stopSpirit Airlines
24h 14mDFW-ORD
$150
5/25Sat
nonstopSpirit Airlines
2h 49mORD-MCO
5/28Tue
nonstopSpirit Airlines
3h 07mMCO-ORD
$153
5/26Sun
multi-stopSun Country Air
16h 21mORD-LAS
5/30Thu
multi-stopSun Country Air
9h 39mLAS-ORD
$243
5/24Fri
nonstopJetBlue
2h 23mORD-JFK
6/12Wed
nonstopJetBlue
2h 57mJFK-ORD
$277
5/25Sat
nonstopJetBlue
2h 28mORD-JFK
8/23Fri
nonstopJetBlue
2h 45mJFK-ORD
$298
5/27Mon
multi-stopSun Country Air
14h 10mORD-SEA
6/2Sun
multi-stopSun Country Air
15h 19mSEA-ORD
$309

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Flights to the United States

Return flight deals:

United States - Illinois

Cabin classes:

$172
$329
$277
$27

Browse destinations:

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