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Cheap Flights from Chicago to Porto - CHI to OPO (reverse)

Popular Flights from Chicago to Porto

  • Airfare from Chicago to Porto on KLM from $839 round trip
  • Airfare from Chicago to Porto on American from $864 round trip
  • Airfare from Chicago to Porto on Iberia from $864 round trip
  • Airfare from Chicago to Porto on Finnair from $882 round trip
  • Airfare from Chicago to Porto on Alitalia from $944 round trip

Did You Know?

  • The largest aircraft operated by US Airways flying between Chicago, IL and Porto, PT is a 777 with 253 seats.
  • Frankfurt, DE is the most popular connection for one stop flights between Chicago, IL and Porto, PT.
  • The shortest flight between Chicago, IL and Porto, PT on TAP is 4,240 miles.
  • Lufthansa has the most one stop flights between Chicago, IL and Porto, PT.
  • The smallest aircraft operated by Lufthansa flying between Chicago, IL and Porto, PT is a 767 with 183 seats.
  • 177,579 seats are available per day to fly out of Chicago, IL connecting to Porto, PT
  • 188 flights per week fly out of Chicago, IL connecting to Porto, PT
  • American has 2 one stop flights between Chicago, IL and Porto, PT.

Advance Purchase Prices from Chicago to Porto

  • Carrier
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  • Air Canada
    $2634
    $1614
    $1354
    $983
    $983
    $1201
    $1201
  • Brussels
    $2513
    $1493
    $1233
    $1183
    $1183
    $1376
    $1376
  • Continental
    $2534
    $1514
    $1254
    $933
    $933
    $1101
    $1101
  • Iberia
    $1158
    $1158
    $1550
    $809
    $809
    $1027
    $1948
  • Lufthansa
    $2634
    $1614
    $1354
    $983
    $983
    $1201
    $1201
  • TAP
    $1793
    $1460
    $1250
    $769
    $1383
    $1140
    $1140
  • US Airways
    $1594
    $1594
    $1334
    $1274
    $1589
    $1144
    $1144
  • United
    $2534
    $1514
    $1254
    $933
    $933
    $1101
    $1101

Cheap International Flights from Chicago - CHI

Cheap Flights from Chicago to Porto, from $839 Round trip from CHI to OPO