Dublin (DUB) to London (LHR) business class reward flights

LHR → DUB

Cheapest right nowPlus fees$46.10Program

Atmos RewardsAirline

British AirwaysDepartingThu, Oct 29

Last checked 3h agoChecked 22 Oct 2026, 02:09 UTC

Which program and airline costs you least

Dublin to London in business class starts at 15K Atmos points plus $46.10 — British Airways through Atmos Rewards. SAS through Air France-KLM Flying Blue charges the least cash — $32.40 — but wants 44K miles.

Every way to book DUB to LHR with miles or points
Airline	Program
British AirwaysNonstopAtmos Rewards	Atmos Rewards	Fewest points15K Atmos pointsplus $46.10	$46.10
British AirwaysNonstopBritish Airways Club	British Airways Club	16.5K AviosFees not quoted	Not quoted
Lufthansavia FRALifeMiles	LifeMiles	18Kplus $42.90	$42.90
Air Francevia CDGAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	20Kplus $37.00	$37.00
KLMvia AMSAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	24.5Kplus $47.50	$47.50
SASvia CPHAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	44Kplus $32.40	Lowest fees$32.40

Where the space is over the next 60 days

DUB to LHR in business class: the facts

Over the next 60 days we hold business class seats from Dublin to London on 48 of the 48 departure days we have checked so far (12 days are not checked yet), 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 October 22, 2026.

Atmos Rewards
Days with space
41 of 48 checked
Lowest
15,000 Atmos points
Typical day
15,000 Atmos points
Cash on top
$46
British Airways Club
Days with space
46 of 48 checked
Lowest
16,500 Avios
Typical day
16,500 Avios
Cash on top
Not quoted
LifeMiles
Days with space
1 of 48 checked
Lowest
18,000 miles
Typical day
18,000 miles
Cash on top
$43
Air France-KLM Flying Blue
Days with space
3 of 48 checked
Lowest
20,000 miles
Typical day
24,500 miles
Cash on top
$37

DUB to LHR business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	41 of 48 checked	15,000 Atmos points	15,000 Atmos points	$46
British Airways Club	46 of 48 checked	16,500 Avios	16,500 Avios	Not quoted
LifeMiles	1 of 48 checked	18,000 miles	18,000 miles	$43
Air France-KLM Flying Blue	3 of 48 checked	20,000 miles	24,500 miles	$37

Nonstop or with a connection

Nonstop seats on British Airways. With a connection on Air France, KLM, Lufthansa and SAS.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search DUB to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $46).
British Airways Club books on avios.com: sign in there, search DUB to LHR in business class on a date with space, and pay in Avios with the cash on top.
LifeMiles books on lifemiles.com: sign in there, search DUB to LHR in business class on a date with space, and pay in miles with the cash on top (from $43).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search DUB to LHR in business class on a date with space, and pay in miles with the cash on top (from $37).

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

More routes

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