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$23 Find deals on international flights to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 9/28. 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. 8/24
sáb. 8/31

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In the last 7 days travelers have searched 50,552,696 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$23
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Boston to Chicago O'Hare Airport

FAQs for booking Worldwide to Chicago flights

  • How does KAYAK find such low prices on flights from Worldwide to Chicago?

    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 Worldwide to Chicago.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Worldwide 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 Worldwide to Chicago?

    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 Chicago with an airline and back to Worldwide with another airline.

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

    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 Chicago from Worldwide 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 Worldwide to Chicago?

Nonstop departures

Worldwide to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +81 more

ANA, Aer Lingus, +82 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +81 more

ANA, Aer Lingus, +82 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +82 more

ANA, Aer Lingus, +83 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +82 more

ANA, Aer Lingus, +83 more

See more direct flights

Nonstop returns

Chicago to Worldwide

Monday

ANA, Aer Lingus, Aeromexico, +81 more

ANA, Aer Lingus, +82 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +81 more

ANA, Aer Lingus, +82 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +82 more

ANA, Aer Lingus, +83 more

Saturday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +82 more

ANA, Aer Lingus, +83 more

See more direct flights
See more direct flights

Book cheap flights from Worldwide to Chicago

Recent round-trip flight deals

10/5sáb.
nonstopSpirit Airlines
2h 52mBOS-ORD
10/8mar.
nonstopSpirit Airlines
2h 25mORD-BOS
$40
9/7sáb.
nonstopSpirit Airlines
2h 52mBOS-ORD
9/14sáb.
nonstopSpirit Airlines
2h 25mORD-BOS
$47
8/19lun.
nonstopFrontier
2h 37mDFW-ORD
8/20mar.
nonstopFrontier
2h 29mORD-DFW
$56
9/10mar.
nonstopFrontier
2h 24mDFW-ORD
9/11mié.
nonstopFrontier
2h 22mORD-DFW
$57
8/15jue.
nonstop
2h 36mDFW-ORD
8/21mié.
nonstop
2h 29mORD-DFW
$62
8/17sáb.
nonstop
2h 49mDFW-ORD
8/19lun.
nonstop
2h 29mORD-DFW
$63
9/25mié.
nonstopAlaska Airlines
4h 03mSEA-ORD
9/29dom.
nonstopAlaska Airlines
4h 34mORD-SEA
$69
9/5jue.
2 stopsAlaska Airlines
16h 40mJFK-ORD
9/9lun.
2 stopsAlaska Airlines
14h 43mORD-JFK
$100
9/5jue.
nonstopDelta
2h 56mJFK-ORD
9/9lun.
nonstopDelta
2h 26mORD-JFK
$108
8/14mié.
nonstopDelta
2h 56mJFK-ORD
8/25dom.
nonstopDelta
2h 16mORD-JFK
$134

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Recent one-way flight deals

9/28sáb.
nonstopSpirit Airlines
2h 52mBOS-ORD
$23
9/18mié.
nonstopSpirit Airlines
2h 52mBOS-ORD
$24
8/17sáb.
nonstopFrontier
2h 49mDFW-ORD
$28
9/24mar.
nonstopFrontier
2h 24mDFW-ORD
$29
8/20mar.
nonstopJetBlue
2h 53mJFK-ORD
$48
8/21mié.
nonstopJetBlue
2h 45mJFK-ORD
$64
9/6vie.
nonstopUnited Airlines
2h 36mLGA-ORD
$64
10/5sáb.
nonstopAmerican Airlines
2h 42mJFK-ORD
$68
8/31sáb.
nonstopAmerican Airlines
2h 51mJFK-ORD
$70
8/23vie.
nonstopUnited Airlines
2h 10mDCA-ORD
$87

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Search by price

Last minute flights from Worldwide to Chicago

Last minute flight, train and bus deals

7/30mar.
nonstopSpirit Airlines
2h 38mLGA-ORD
7/31mié.
nonstopSpirit Airlines
2h 16mORD-LGA
$97
7/30mar.
nonstopSpirit Airlines
2h 38mLGA-ORD
8/6mar.
nonstopSpirit Airlines
2h 18mORD-LGA
$98
7/30mar.
nonstopFrontier
2h 34mDFW-ORD
8/1jue.
nonstopFrontier
2h 35mORD-DFW
$134
7/30mar.
nonstop
2h 34mDFW-ORD
8/3sáb.
nonstop
2h 32mORD-DFW
$137
7/30mar.
nonstopFrontier
2h 34mDFW-ORD
8/7mié.
multi-stopFrontier
4h 46mORD-DFW
$139
7/30mar.
nonstop
2h 38mLGA-ORD
8/6mar.
multi-stop
13h 26mORD-LGA
$141
7/30mar.
nonstopAmerican Airlines
2h 35mEWR-ORD
8/1jue.
nonstopAmerican Airlines
2h 10mORD-EWR
$181
7/30mar.
nonstopDelta
2h 58mLGA-ORD
8/1jue.
nonstopDelta
2h 14mORD-LGA
$181
7/30mar.
nonstopAmerican Airlines
2h 35mEWR-ORD
8/2vie.
nonstopAmerican Airlines
2h 04mORD-EWR
$194
7/30mar.
nonstopDelta
2h 58mLGA-ORD
8/2vie.
nonstopDelta
2h 19mORD-LGA
$194

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