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Cheap Flights from Illinois - Explore Routes, Fares & Airline Options

With many flights from Illinois, travelers have plenty of choices to plan their journey with greater ease and convenience. Flights operate regularly across major airlines, with a mix of nonstop and connecting options available on various routes. Browse one-way fares from $80.98, round-trip fares from $101.87, and other affordable options across a range of budgets. Review airline schedules, explore destination options and choose suitable flights from Illinois based on your travel plans and preferences.

Trending Flight Deals from Illinois

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One Way Round Trip
CHI Chicago Sun, Dec 13
FMY Fort Myers
from $81
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CHI Chicago Thu, Oct 1
MSP Minneapolis
from $81
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CHI Chicago Tue, Oct 6
FLL Fort Lauderdale
from $89
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CHI Chicago Tue, Oct 6
SEA Seattle
from $93
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CHI Chicago Thu, Oct 8
LAX Los Angeles
from $104
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CHI Chicago Thu, Oct 1
TPA Tampa
from $107
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CHI Chicago Wed, Oct 14
SFO San Francisco
from $107
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CHI Chicago Tue, Oct 6
WAS Washington DC
from $121
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CHI Chicago Tue, Oct 6
SAN San Diego
from $124
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CHI Chicago Wed, Oct 28
BNA Nashville
from $127
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CHI Chicago Wed, Oct 14
NYC New York City
from $129
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CHI Chicago Thu, Dec 3
PHX Phoenix
from $134
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CHI Chicago Wed, Sep 30
BOS Boston
from $134
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CHI Chicago Tue, Sep 29
SJU San Juan
from $139
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CHI Chicago Tue, Nov 3
PDX Portland
from $166
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*All fares above were last found on:
Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:ASOAaigXM06G5PQtyOyLWg

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Better deals are one call away Call us Say and save Expires Sep 30, 2026. Where applicable discount applies to service fees for qualified airline tickets. Amount of service fee discount varies: maximum savings of $10 per person applied to bookings from one (1) traveler up to five (5) travelers; the maximum discount applied is $50. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. Promo code only applicable for bookings created over the phone through our call center.