
London (LHR) to Chicago (ORD) business class reward flights
In business class from London (LHR) to Chicago (ORD), the best value is also the fewest miles: 55,000 Atmos points plus $432 on American Airlines through Atmos Rewards (checked 3 Nov 2026).
Which program and airline costs you least
London to Chicago in business class: is 55K Atmos points + $431.89 — American Airlines through Atmos Rewards.
| Airline | ||||
|---|---|---|---|---|
| 55K Atmos pointsplus $431.89 | ||||
| 55K Atmos pointsplus $399.79 | ||||
| 55K Atmos pointsplus $880.89 | ||||
| 60Kplus $787.79 | ||||
| 60Kplus $787.89 | ||||
| 96Kplus $704.89 | ||||
| 495Kplus $418.89 | ||||
| Seen earlier, not re-checked since | ||||
| 54K AviosFees not quoted, about $400 | ||||
| 88K AviosFees not quoted, about $881 | ||||
Where the space is over the next 60 days
Dashed days are prices last seen more than 3 days ago and not re-checked since.
LHR to ORD in business class: the facts
Over the next 60 days we hold business class seats from London to Chicago on 60 of the 60 departure days, through 4 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 .
- British Airways Club
- Days with space
- 30 of 60
- Lowest
- 54,000 Avios
- Typical day
- 88,000 Avios
- Cash on top
- Not quoted
- Atmos Rewards
- Days with space
- 51 of 60
- Lowest
- 55,000 Atmos points
- Typical day
- 85,000 Atmos points
- Cash on top
- $400 to $886
- Air France-KLM Flying Blue
- Days with space
- 58 of 60
- Lowest
- 60,000 miles
- Typical day
- 123,500 miles
- Cash on top
- $705 to $821
- Delta SkyMiles
- Days with space
- 1 of 60
- Lowest
- 495,000 miles
- Typical day
- 495,000 miles
- Cash on top
- $419
Nonstop or with a connection
Nonstop seats on American Airlines and British Airways. With a connection on Aer Lingus, Air France, Delta Air Lines, KLM and Virgin Atlantic.
How to book it
- British Airways Club books on avios.com: sign in there, search LHR to ORD in business class on a date with space, and pay in Avios with the cash on top.
- Atmos Rewards books on alaskaair.com: sign in there, search LHR to ORD in business class on a date with space, and pay in Atmos points with the cash on top (from $400).
- Air France-KLM Flying Blue books on airfrance.fr: sign in there, search LHR to ORD in business class on a date with space, and pay in miles with the cash on top (from $705).
- Delta SkyMiles books on delta.com: sign in there, search LHR to ORD in business class on a date with space, and pay in miles with the cash on top (from $419).
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