London (LHR) to Zagreb (ZAG) business class reward flights

ZAG → LHR

Lowest seen in the last 2 daysPlus fees$108.20Program

Air France-KLM Flying BlueLight fareAirline

KLMDepartingMon, Nov 16

Last checked 1d agoChecked 20 Oct 2026, 21:41 UTC

Which program and airline costs you least

London to Zagreb in business class starts at 20K miles plus $108.20 — KLM through Air France-KLM Flying Blue. Air France through Air France-KLM Flying Blue charges the least cash — $96.50 — but wants 25.5K miles.

Every way to book LHR to ZAG with miles or points
Airline	Program
Croatia AirlinesNonstoplast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $48.10	$48.10
LOT Polish Airlinesvia WAWlast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $54.45	$54.45
Lufthansavia MUC, FRAlast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $58.00	$58.00
Brussels Airlinesvia BRUlast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $58.00	$58.00
Swissvia ZRHlast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $58.00	$58.00
Austrian Airlinesvia VIElast seen 10 Oct, not re-checked sinceLifeMiles	LifeMiles	18Kplus $70.10	$70.10
KLMvia AMSAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	Fewest miles20Kplus $108.20	$108.20
British AirwaysNonstopBritish Airways Club	British Airways Club	24.5K AviosFees not quoted	Not quoted
Air Francevia CDGAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	25.5Kplus $96.50	Lowest fees$96.50

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 ZAG in business class: the facts

Over the next 60 days we hold business class seats from London to Zagreb on 59 of the 59 departure days we have checked so far (1 day is 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 October 21, 2026.

LifeMiles
Days with space
59 of 59 checked
Lowest
18,000 miles
Typical day
18,000 miles
Cash on top
$48 to $70
Air France-KLM Flying Blue
Days with space
2 of 59 checked
Lowest
20,000 miles
Typical day
20,000 miles
Cash on top
$108
British Airways Club
Days with space
2 of 59 checked
Lowest
24,500 Avios
Typical day
24,500 Avios
Cash on top
Not quoted

LHR to ZAG business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
LifeMiles	59 of 59 checked	18,000 miles	18,000 miles	$48 to $70
Air France-KLM Flying Blue	2 of 59 checked	20,000 miles	20,000 miles	$108
British Airways Club	2 of 59 checked	24,500 Avios	24,500 Avios	Not quoted

Nonstop or with a connection

Nonstop seats on British Airways and Croatia Airlines. With a connection on Air France, Austrian Airlines, Brussels Airlines, KLM, LOT Polish Airlines, Lufthansa and Swiss.

How to book it

LifeMiles books on lifemiles.com: sign in there, search LHR to ZAG in business class on a date with space, and pay in miles with the cash on top (from $48).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search LHR to ZAG in business class on a date with space, and pay in miles with the cash on top (from $108).
British Airways Club books on avios.com: sign in there, search LHR to ZAG in business class on a date with space, and pay in Avios with the cash on top.

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

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Every route we watch from London (LHR)

Get told the moment a LHR → ZAG 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.