Portland to Chicago Flights — [2026]
Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Portland
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Prices updated today
485 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)
Today’s best flight deals from Portland to Chicago
Explore current cheapest deals departing from Portland to Chicago
2027-01-21 – 2027-02-03
PDX - Chicago
66% AI deal score
$236
$241
Round trip
2027-01-24 – 2027-02-03
PDX - Chicago
66% AI deal score
$241
$245
Round trip
2027-01-21 – 2027-01-27
PDX - Chicago
67% AI deal score
$256
$250
Round trip
2027-01-24 – 2027-01-27
PDX - Chicago
68% AI deal score
$264
$254
Round trip
2027-01-07 – 2027-02-03
PDX - Chicago
66% AI deal score
$225
$255
Round trip
2027-01-26 – 2027-02-03
PDX - Chicago
50% AI deal score
$199
$261
Round trip
2027-01-12 – 2027-02-03
PDX - Chicago
49% AI deal score
$176
$261
Round trip
2027-01-07 – 2027-01-27
PDX - Chicago
66% AI deal score
$226
$264
Round trip
2027-01-21 – 2027-02-16
PDX - Chicago
50% AI deal score
$227
$270
Round trip
2027-01-21 – 2027-02-09
PDX - Chicago
50% AI deal score
$228
$270
Round trip