Bristol (BRS) to Washington (IAD) business class reward flights

IAD → BRS

Lowest seen in the last 5 daysPlus fees$418.39Program

Atmos RewardsAirline

Aer LingusDepartingThu, Oct 29

Last checked 4d agoChecked 18 Oct 2026, 02:45 UTC

Which program and airline costs you least

Bristol to Washington in business class starts at 45K Atmos points plus $418.39 — Aer Lingus through Atmos Rewards.

Every way to book BRS to IAD with miles or points
Airline	Program			Book
Aer Lingusvia DUBlast seen 18 Oct, not re-checked sinceAtmos Rewards	Atmos Rewards	Fewest points45K Atmos pointsplus $418.39	Lowest fees$418.39
KLMvia AMSlast seen 8 Oct, not re-checked sinceAir France-KLM Flying Blue	Air France-KLM Flying BlueLight fare	60Kplus $798.79	$798.79

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.

BRS to IAD in business class: the facts

Over the next 60 days we hold business class seats from Bristol to Washington on 57 of the 57 departure days we have checked so far (3 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 18, 2026.

Atmos Rewards
Days with space
55 of 57 checked
Lowest
45,000 Atmos points
Typical day
175,000 Atmos points
Cash on top
$418 to $428
Air France-KLM Flying Blue
Days with space
20 of 57 checked
Lowest
60,000 miles
Typical day
88,500 miles
Cash on top
$799 to $829

BRS to IAD business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
Atmos Rewards	55 of 57 checked	45,000 Atmos points	175,000 Atmos points	$418 to $428
Air France-KLM Flying Blue	20 of 57 checked	60,000 miles	88,500 miles	$799 to $829

Nonstop or with a connection

No nonstop seats in the window. With a connection on Aer Lingus and KLM.

How to book it

Atmos Rewards books on alaskaair.com: sign in there, search BRS to IAD in business class on a date with space, and pay in Atmos points with the cash on top (from $418).
Air France-KLM Flying Blue books on airfrance.fr: sign in there, search BRS to IAD in business class on a date with space, and pay in miles with the cash on top (from $799).

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

More routes

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Every route we watch from Bristol (BRS)

Get told the moment a BRS → IAD 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.