Dublin (DUB) to Washington (DCA) business class reward flights

DCA → DUB

Lowest seen in the last 2 daysPlus fees$58.00Program

LifeMilesAirline

United AirlinesDepartingWed, Oct 28

Last checked 1d agoChecked 20 Oct 2026, 15:34 UTC

Which program and airline costs you least

Dublin to Washington in business class starts at 72K miles plus $58.00 — United Airlines through LifeMiles.

Every way to book DUB to DCA with miles or points
Airline	Program
United Airlinesvia ORDLifeMiles	LifeMiles	Fewest miles72Kplus $58.00	Lowest fees$58.00
Air Canadavia YYZLifeMiles	LifeMiles	72Kplus $58.00	$58.00
Lufthansavia FRA, YYZLifeMiles	LifeMiles	72Kplus $58.00	$58.00
KLMvia AMS, JFKAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	90Kplus $447.79	$447.79
Air Francevia CDG, JFKAir France-KLM Flying Blue	Air France-KLM Flying BlueStandard fare	90Kplus $447.89	$447.89

Where the space is over the next 60 days

DUB to DCA in business class: the facts

Over the next 60 days we hold business class seats from Dublin to Washington on 42 of the 42 departure days we have checked so far (18 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 21, 2026.

LifeMiles
Days with space
22 of 42 checked
Lowest
72,000 miles
Typical day
72,000 miles
Cash on top
$58 to $70
Air France-KLM Flying Blue
Days with space
32 of 42 checked
Lowest
90,000 miles
Typical day
216,500 miles
Cash on top
$448

DUB to DCA business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
LifeMiles	22 of 42 checked	72,000 miles	72,000 miles	$58 to $70
Air France-KLM Flying Blue	32 of 42 checked	90,000 miles	216,500 miles	$448

Nonstop or with a connection

No nonstop seats in the window. With a connection on Air Canada, Air France, KLM, Lufthansa and United Airlines.

How to book it

LifeMiles books on lifemiles.com: sign in there, search DUB to DCA in business class on a date with space, and pay in miles with the cash on top (from $58).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search DUB to DCA in business class on a date with space, and pay in miles with the cash on top (from $448).

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

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Every route we watch from Dublin (DUB)

Get told the moment a DUB → DCA seat opens.

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