London skyline

Washington (IAD) to London (LHR) business class award flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

Filters

Programmes
Also show, besides Business
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length
Cheapest right now45,000 Atmos pointsPlus fees$29.00ProgramAtmos RewardsAtmos RewardsAirlineAer LingusAer LingusDepartingSun, Nov 8
Last checked 20h agoChecked

Which program and airline costs you least

Washington to London in business class starts at 45K Atmos points plus $29.00 — Aer Lingus through Atmos Rewards. American Airlines through Atmos Rewards charges the least cash — $25.60 — but wants 55K Atmos points.

Every way to book IAD to LHR with miles or points
Airline
Aer LingusAer Lingusvia DUBAtmos Rewards45K Atmos pointsplus $29.00
Aer LingusAer Lingusvia DUBBritish Airways Club54K AviosFees not quoted
American AirlinesAmerican Airlinesvia CLTAtmos Rewards55K Atmos pointsplus $25.60
British AirwaysBritish AirwaysNonstopAtmos Rewards55K Atmos pointsplus $1,004.00
Air FranceAir Francevia CDGAir France-KLM Flying Blue60Kplus $355.60
Royal Air MarocRoyal Air Marocvia CMNAtmos Rewards70K Atmos pointsplus $45.00
Air CanadaAir Canadavia YYZlast seen 8 Oct, not re-checked sinceLifeMiles72Kplus $30.02
SwissSwissvia ZRHlast seen 11 Oct, not re-checked sinceLifeMiles72Kplus $48.60
United AirlinesUnited Airlinesvia FRAlast seen 11 Oct, not re-checked sinceLifeMiles72Kplus $68.60
Virgin AtlanticVirgin AtlanticNonstopAir France-KLM Flying Blue73.5Kplus $235.40
British AirwaysBritish AirwaysNonstopBritish Airways Club88K AviosFees not quoted
Virgin AtlanticVirgin AtlanticNonstopVirgin Atlantic Flying Club96K Virgin Pointsplus $695.70
Alaska AirlinesAlaska Airlinesvia SEAAtmos Rewards110K Atmos pointsplus $1,004.00
KLMKLMvia AMSAir France-KLM Flying Blue117Kplus $366.20

IAD to LHR in business class: the facts

Over the next 60 days we hold business class seats from Washington to London on 60 of the 60 departure days, through 5 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 .

  • Atmos Rewards
    Days with space
    51 of 60
    Lowest
    45,000 Atmos points
    Typical day
    175,000 Atmos points
    Cash on top
    $29 to $1,004
  • British Airways Club
    Days with space
    33 of 60
    Lowest
    54,000 Avios
    Typical day
    54,000 Avios
    Cash on top
    Not quoted
  • Air France-KLM Flying Blue
    Days with space
    60 of 60
    Lowest
    60,000 miles
    Typical day
    136,000 miles
    Cash on top
    $235 to $366
  • LifeMiles
    Days with space
    4 of 60
    Lowest
    72,000 miles
    Typical day
    72,000 miles
    Cash on top
    $30 to $69
  • Virgin Atlantic Flying Club
    Days with space
    57 of 60
    Lowest
    96,000 Virgin Points
    Typical day
    350,000 Virgin Points
    Cash on top
    $695 to $696

Nonstop or with a connection

Nonstop seats on British Airways and Virgin Atlantic. With a connection on Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, KLM, Royal Air Maroc, Swiss and 1 other airline.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search IAD to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $29).
  2. British Airways Club books on avios.com: sign in there, search IAD to LHR in business class on a date with space, and pay in Avios with the cash on top.
  3. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search IAD to LHR in business class on a date with space, and pay in miles with the cash on top (from $235).
  4. LifeMiles books on lifemiles.com: sign in there, search IAD to LHR in business class on a date with space, and pay in miles with the cash on top (from $30).
  5. Virgin Atlantic Flying Club books on virginatlantic.com: sign in there, search IAD to LHR in business class on a date with space, and pay in Virgin Points with the cash on top (from $695).

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

Get told the moment a IAD → LHR 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.