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Find cheap flights from Illinois to North America from $25

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 North America departing on 6/12. 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 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$25
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Chicago O'Hare Airport to Boston

FAQs for booking flights from Illinois to North America

  • How does KAYAK find such low prices on flights from Illinois to North America?

    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 North America.

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

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

    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 North America 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 North America?

    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 North America 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 North America

Recent round-trip flight deals

6/5Wed
nonstopSpirit Airlines
2h 29mORD-BOS
6/12Wed
nonstopSpirit Airlines
2h 54mBOS-ORD
$50
6/5Wed
nonstopSpirit Airlines
2h 29mORD-BOS
6/12Wed
nonstopSpirit Airlines
2h 54mBOS-ORD
$51
5/21Tue
nonstopFrontier
4h 10mORD-LAS
5/22Wed
nonstopFrontier
3h 46mLAS-ORD
$77
5/21Tue
nonstopFrontier
4h 10mORD-LAS
5/22Wed
nonstopFrontier
3h 46mLAS-ORD
$78
5/14Tue
1 stop
16h 40mORD-LGA
5/15Wed
nonstop
2h 37mLGA-ORD
$81
5/26Sun
1 stop
11h 42mORD-MCO
5/29Wed
nonstop
3h 09mMCO-ORD
$85
5/30Thu
nonstopJetBlue
2h 28mORD-JFK
6/4Tue
nonstopJetBlue
2h 50mJFK-ORD
$122
7/2Tue
nonstopJetBlue
2h 25mORD-JFK
7/9Tue
nonstopJetBlue
2h 46mJFK-ORD
$127
5/29Wed
nonstopDelta
2h 15mORD-LGA
6/5Wed
nonstopDelta
2h 35mLGA-ORD
$127
6/26Wed
nonstopDelta
2h 19mORD-LGA
7/1Mon
nonstopDelta
2h 47mLGA-ORD
$153

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Recent one-way flight deals

6/12Wed
nonstopSpirit Airlines
2h 29mORD-BOS
$25
6/12Wed
nonstopSpirit Airlines
2h 29mORD-BOS
$26
5/29Wed
nonstopSpirit Airlines
2h 49mORD-MCO
$26
5/29Wed
nonstopFrontier
2h 58mORD-MCO
$29
8/6Tue
nonstopFrontier
2h 58mORD-MCO
$30
5/21Tue
nonstopCitizenPlane
4h 01mORD-LAS
$48
5/26Sun
1 stopSun Country Air
10h 17mORD-MCO
$50
5/30Thu
nonstopJetBlue
2h 28mORD-JFK
$59
5/26Sun
1 stopSun Country Air
16h 21mORD-LAS
$60
6/19Wed
nonstopJetBlue
2h 25mORD-JFK
$64

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Last minute flights from Illinois to North America

Last minute flight, train and bus deals

5/13Mon
multi-stopSpirit Airlines
8h 55mORD-FLL
5/14Tue
nonstopSpirit Airlines
3h 13mFLL-ORD
$95
5/13Mon
multi-stopSpirit Airlines
22h 45mORD-FLL
5/15Wed
multi-stopSpirit Airlines
11h 58mFLL-ORD
$109
5/11Sat
nonstop
2h 49mORD-MCO
5/15Wed
nonstop
3h 04mMCO-ORD
$113
5/13Mon
nonstopFrontier
2h 56mORD-MCO
5/15Wed
nonstopFrontier
3h 04mMCO-ORD
$119
5/10Fri
nonstopFrontier
2h 56mORD-MCO
5/14Tue
nonstopFrontier
3h 07mMCO-ORD
$126
5/10Fri
nonstop
2h 52mORD-MCO
5/14Tue
nonstop
3h 07mMCO-ORD
$128
5/13Mon
nonstopUnited Airlines
2h 21mORD-BOS
5/18Sat
nonstopUnited Airlines
2h 53mBOS-ORD
$211
5/13Mon
nonstopJetBlue
2h 26mORD-BOS
5/18Sat
nonstopJetBlue
2h 54mBOS-ORD
$223
5/11Sat
multi-stopUnited Airlines
7h 30mORD-CUN
5/15Wed
multi-stopUnited Airlines
8h 42mCUN-ORD
$260
5/13Mon
nonstopJetBlue
2h 28mORD-JFK
5/15Wed
nonstopJetBlue
2h 56mJFK-ORD
$263

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