Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Flights to Grayslake, IL from $40

Bundle Your Flight + Hotel & Save!

How much is the cheapest flight to Grayslake?

Prices were available within the past 7 days and starts at $40 for one-way flights and $95 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Aug 24
EWR
Liberty Intl.
ORD
O'Hare Intl.
$40
Spirit Airlines
Spirit Airlines
Tue, Aug 10
LGA
LaGuardia
ORD
O'Hare Intl.
$55
Spirit Airlines
Spirit Airlines
Mon, Sep 13
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$56
Spirit Airlines
Frontier Airlines
Wed, Sep 15
ONT
Los Angeles - Ontario Intl.
ORD
O'Hare Intl.
$73
Frontier Airlines
Delta
Wed, Jan 5
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$76
Delta
Spirit Airlines
Tue, Aug 31 - Wed, Sep 1
EWR
Liberty Intl.
ORD
O'Hare Intl.
$95
Spirit Airlines
Spirit Airlines
Thu, Sep 2 - Sun, Sep 5
LGA
LaGuardia
ORD
O'Hare Intl.
$109
Spirit Airlines
Spirit Airlines
Wed, Sep 8 - Mon, Sep 13
LAX
Los Angeles Intl.
ORD
O'Hare Intl.
$112
Spirit Airlines
Frontier Airlines
Wed, Sep 8 - Sat, Sep 11
ONT
Los Angeles - Ontario Intl.
ORD
O'Hare Intl.
$140
Frontier Airlines
JetBlue Airways
Thu, Nov 11 - Thu, Nov 11
JFK
John F. Kennedy Intl.
ORD
O'Hare Intl.
$146
JetBlue Airways

Trending flights to Grayslake

Prices were available within the past 7 days and starts at $40 for one-way flights and $95 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Aug 24
EWR
Liberty Intl.
ORD
O'Hare Intl.
$40
Spirit Airlines
Spirit Airlines
Tue, Aug 31 - Wed, Sep 1
EWR
Liberty Intl.
ORD
O'Hare Intl.
$95
Spirit Airlines