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Flagstaff (FLG) to London (LHR) business class award flights

In business class from Flagstaff (FLG) to London (LHR), no seat was read in the last 3 days; at the last read the best value was 70,000 Atmos points plus $26 on American Airlines through Atmos Rewards (checked 29 Oct 2026).

DateDates
CabinTravellers

Who’s flying?

Adults12 and over
1
Cabin
Best value seen in the last 6 days70,000 Atmos pointsPlus fees$25.60ProgramAtmos RewardsAtmos RewardsAirlineAmerican AirlinesAmerican AirlinesDepartingSat, Nov 7
Last checked 5d agoChecked

Which program and airline costs you least

Flagstaff to London in business class: is 70K Atmos points + $25.60 — American Airlines through Atmos Rewards.

Every way to book FLG to LHR with miles or points
Airline
American AirlinesAmerican AirlinesBest valuevia PHX, ORDlast seen 29 Oct, not re-checked sinceAtmos Rewards70K Atmos pointsplus $25.60

FLG to LHR in business class: the facts

Over the next 60 days we hold business class seats from Flagstaff to London on 16 of the 16 departure days we have checked so far (44 days are not checked yet), through 1 program. 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
    16 of 16 checked
    Lowest
    70,000 Atmos points
    Typical day
    110,000 Atmos points
    Cash on top
    $26 to $1,574

Nonstop or with a connection

No nonstop seats in the window. With a connection on American Airlines.

How to book it

  1. Atmos Rewards books on alaskaair.com: sign in there, search FLG to LHR in business class on a date with space, and pay in Atmos points with the cash on top (from $26).

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