
Boston (BOS) to London (LHR) business class award flights
In business class from Boston (BOS) to London (LHR), the best value is also the fewest miles: 45,000 Atmos points plus $26 on American Airlines through Atmos Rewards (checked 3 Nov 2026).
Which program and airline costs you least
Boston to London in business class: is 45K Atmos points + $25.60 — American Airlines through Atmos Rewards.
| Airline | ||||
|---|---|---|---|---|
| 45K Atmos pointsplus $25.60 | ||||
| 45K Atmos pointsplus $29.00 | ||||
| 45K Atmos pointsplus $1,004.00 | ||||
| 125Kplus $5.60 | ||||
| 109Kplus $353.90 | ||||
| 109Kplus $364.30 | ||||
| 125K Virgin Pointsplus $696.10 | ||||
| Seen earlier, not re-checked since | ||||
| 54K AviosFees not quoted, about $26 | ||||
| 88K AviosFees not quoted, about $1,004 | ||||
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.
BOS to LHR in business class: the facts
Over the next 60 days we hold business class seats from Boston 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
- 39 of 60
- Lowest
- 45,000 Atmos points
- Typical day
- 70,000 Atmos points
- Cash on top
- $26 to $1,574
- British Airways Club
- Days with space
- 29 of 60
- Lowest
- 54,000 Avios
- Typical day
- 54,000 Avios
- Cash on top
- Not quoted
- Air France-KLM Flying Blue
- Days with space
- 59 of 60
- Lowest
- 109,000 miles
- Typical day
- 291,000 miles
- Cash on top
- $354 to $364
- Delta SkyMiles
- Days with space
- 60 of 60
- Lowest
- 125,000 miles
- Typical day
- 492,500 miles
- Cash on top
- $6 to $35
- Virgin Atlantic Flying Club
- Days with space
- 50 of 60
- Lowest
- 125,000 Virgin Points
- Typical day
- 325,000 Virgin Points
- Cash on top
- $696 to $699
Nonstop or with a connection
Nonstop seats on British Airways, Delta Air Lines and Virgin Atlantic. With a connection on Aer Lingus, Air France, American Airlines and KLM.
How to book it
- Atmos Rewards books on alaskaair.com: sign in there, search BOS to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $26).
- British Airways Club books on avios.com: sign in there, search BOS to LHR in business class on a date with space, and pay in Avios with the cash on top.
- Air France-KLM Flying Blue books on airfrance.fr: sign in there, search BOS to LHR in business class on a date with space, and pay in miles with the cash on top (from $354).
- Delta SkyMiles books on delta.com: sign in there, search BOS to LHR in business class on a date with space, and pay in miles with the cash on top (from $6).
- Virgin Atlantic Flying Club books on virginatlantic.com: sign in there, search BOS to LHR in business class on a date with space, and pay in Virgin Points with the cash on top (from $696).
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