Chicago (ORD) to Glasgow (GLA) business class award flights

GLA → ORD

Lowest seen in the last 10 daysPlus fees$1,015.40Program

Atmos RewardsAirline

British AirwaysDepartingMon, Nov 2

Last checked 9d agoChecked 12 Oct 2026, 07:50 UTC

Which program and airline costs you least

Chicago to Glasgow in business class starts at 55K Atmos points plus $1,015.40 — British Airways through Atmos Rewards. Aer Lingus through Atmos Rewards charges the least cash — $29.00 — but wants 250K Atmos points.

Every way to book ORD to GLA with miles or points
Airline	Program
British Airwaysvia LHRlast seen 12 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points55K Atmos pointsplus $1,015.40	$1,015.40
American Airlinesvia PIT, LHRlast seen 12 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	85K Atmos pointsplus $1,535.40	$1,535.40
SASvia CPH, AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	154.8Kplus $83.00	$83.00
KLMvia AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	189Kplus $365.60	$365.60
Aer Lingusvia DUBlast seen 12 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	250K Atmos pointsplus $29.00	Lowest fees$29.00
Air Francevia CDG, AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	260.5Kplus $384.10	$384.10

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.

ORD to GLA in business class: the facts

Over the next 60 days we hold business class seats from Chicago to Glasgow on 34 of the 34 departure days we have checked so far (26 days are not checked yet), through 2 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 October 12, 2026.

Atmos Rewards
Days with space
24 of 34 checked
Lowest
55,000 Atmos points
Typical day
250,000 Atmos points
Cash on top
$29 to $1,535
Air France-KLM Flying Blue
Days with space
10 of 34 checked
Lowest
154,800 miles
Typical day
281,500 miles
Cash on top
$83 to $386

ORD to GLA business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	24 of 34 checked	55,000 Atmos points	250,000 Atmos points	$29 to $1,535
Air France-KLM Flying Blue	10 of 34 checked	154,800 miles	281,500 miles	$83 to $386

Nonstop or with a connection

No nonstop seats in the window. With a connection on Aer Lingus, Air France, American Airlines, British Airways, KLM and SAS.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search ORD to GLA in business class on a date with space, and pay in Atmos points with the cash on top (from $29).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search ORD to GLA in business class on a date with space, and pay in miles with the cash on top (from $83).

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

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Every route we watch from Chicago (ORD)

Get told the moment a ORD → GLA seat opens.

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