Chicago skyline

Mexico City (MEX) to Chicago (ORD) business class award flights

In business class from Mexico City (MEX) to Chicago (ORD), the best value is also the fewest miles: 25,000 Atmos points plus $117 on American Airlines through Atmos Rewards (checked 1 Nov 2026).

ORD → MEX
DateDates
CabinTravellers

Who’s flying?

Adults12 and over
1
Cabin
Best value seen in the last 2 days25,000 Atmos pointsPlus fees$116.61ProgramAtmos RewardsAtmos RewardsAirlineAmerican AirlinesAmerican AirlinesDepartingSat, Dec 12
Last checked 1d agoChecked

Which program and airline costs you least

Mexico City to Chicago in business class: is 25K Atmos points + $116.61 — American Airlines through Atmos Rewards.

Every way to book MEX to ORD with miles or points
Airline
American AirlinesAmerican AirlinesBest valueNonstopAtmos Rewards25K Atmos pointsplus $116.61
Delta Air LinesDelta Air LinesFewest milesvia ATLDelta SkyMiles25Kplus $102.39
AeromexicoAeromexicovia GDLAir France-KLM Flying Blue39.5Kplus $128.21
Delta Air LinesDelta Air Linesvia ATLAir France-KLM Flying Blue60Kplus $139.41

Where the space is over the next 60 days

November
Tue3 Wed4 Thu5 Fri6 Sat7 Sun8 Mon9 Tue10 Wed11 Thu12 Fri13 Sat14 Sun15 Mon16 Tue17 Wed18 Thu19 Fri20 Sat21 Sun22 Mon23 Tue24 Wed25 Thu26 Fri27 Sat28 Sun29 Mon30 
December
Tue1 Wed2 Thu3 Fri4 Sat5 Sun6 Mon7 Tue8 Wed9 Thu10 Fri11 Sat1225KSun13 Mon14 Tue15 Wed16 Thu17 Fri18 Sat19 Sun20 Mon21 Tue22 Wed23 Thu24 Fri25 Sat26 Sun27 Mon28 Tue29 Wed30 Thu31 
January
Fri1 

MEX to ORD in business class: the facts

Over the next 60 days we hold business class seats from Mexico City to Chicago on 1 of the 1 departure days we have checked so far (59 days are not checked yet), through 3 programs. 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 .

  • Atmos Rewards
    Days with space
    1 of 1 checked
    Lowest
    25,000 Atmos points
    Typical day
    25,000 Atmos points
    Cash on top
    $117
  • Delta SkyMiles
    Days with space
    1 of 1 checked
    Lowest
    25,000 miles
    Typical day
    25,000 miles
    Cash on top
    $102
  • Air France-KLM Flying Blue
    Days with space
    1 of 1 checked
    Lowest
    39,500 miles
    Typical day
    39,500 miles
    Cash on top
    $128

Nonstop or with a connection

Nonstop seats on American Airlines. With a connection on Aeromexico and Delta Air Lines.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search MEX to ORD in business class on a date with space, and pay in Atmos points with the cash on top (from $117).
  2. Delta SkyMiles books on delta.com: sign in there, search MEX to ORD in business class on a date with space, and pay in miles with the cash on top (from $102).
  3. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search MEX to ORD in business class on a date with space, and pay in miles with the cash on top (from $128).

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

More routes

More routes from Mexico City

More routes to Chicago

Every route we watch from Mexico City (MEX)

Get told when a MEX → ORD seat is cheap.

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

Email only. Alerts and search are Pro.