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Porto (OPO) to Chicago (ORD) business class award flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
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Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

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Departure time

00:0024:00

Arrival time

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Flight duration
Any length
Lowest seen in the last 3 days67,500 milesPlus fees$442.89ProgramAir France-KLM Flying BlueAir France-KLM Flying BlueLight fareAirlineKLMKLMDepartingThu, Oct 22
Last checked 2d agoChecked

Which program and airline costs you least

Porto to Chicago in business class starts at 67.5K miles plus $442.89 — KLM through Air France-KLM Flying Blue.

Every way to book OPO to ORD with miles or points
Airline
KLMKLMvia AMSAir France-KLM Flying Blue67.5Kplus $442.89
Air FranceAir Francevia CDGAir France-KLM Flying Blue67.5Kplus $442.99

OPO to ORD in business class: the facts

Over the next 60 days we hold business class seats from Porto to Chicago on 60 of the 60 departure days, through 1 program. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated .

Nonstop or with a connection

No nonstop seats in the window. With a connection on Air France and KLM.

How to book it

  1. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search OPO to ORD in business class on a date with space, and pay in miles with the cash on top (from $442).

MilesZone finds the seat; it does not book it or take payment.

Get told the moment a OPO → ORD seat opens.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Searching this route stays free for departures in the next 60 days.