Best Flights starting from $1,237
from$1,237economy
Chicago (ORD)
Thu, May 14
Roundtrip
Lisbon (LIS)
Wed, Jul 15
from$1,330economy
Chicago (ORD)
Sat, May 16
Roundtrip
Lisbon (LIS)
Fri, Jul 17
from$1,381economy
Chicago (ORD)
Wed, May 13
Roundtrip
Lisbon (LIS)
Tue, Jul 14
from$1,456economy
Chicago (ORD)
Mon, May 18
Roundtrip
Lisbon (LIS)
Sun, Jul 19
from$1,524economy
Chicago (ORD)
Tue, May 19
Roundtrip
Lisbon (LIS)
Mon, Jul 20
from$1,552economy
Chicago (ORD)
Sun, May 17
Roundtrip
Lisbon (LIS)
Sat, Jul 18
from$1,623economy
Chicago (ORD)
Fri, May 15
Roundtrip
Lisbon (LIS)
Thu, Jul 16
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Other Options for This Route
Other Destinations
Chicago (ORD) to Philadelphia (PHL) in May from $32
From $32
Chicago (ORD) to Fort Lauderdale (FLL) in May from $56
From $56
Chicago (ORD) to Fort Lauderdale (Any) in May from $56
From $56
Chicago (ORD) to Los Angeles (LAX) in May from $56
From $56
Chicago (ORD) to Houston (IAH) in May from $62
From $62
Chicago (ORD) to Orlando (MCO) in May from $62
From $62
Flights from Other Cities
Porto (OPO) to Lisbon (LIS) in May from $79
From $79
Praia (RAI) to Lisbon (LIS) in May from $225
From $225
New York (Any) to Lisbon (LIS) in May from $275
From $275
Newark (EWR) to Lisbon (LIS) in May from $344
From $344
New York (JFK) to Lisbon (LIS) in May from $406
From $406
Miami (Any) to Lisbon (LIS) in May from $473
From $473