For Travel Agents

Fare Class Decoder

Decode booking class codes instantly. Understand fare flexibility, mileage accrual, and benefits for each class.

Fare Class Codes

Code Name Cabin Flexibility Changes Refund Miles Accrual Upgrades
F
Generic (Most Airlines)
First Class (Full Fare) First Full Free Full refund 150-200% Yes
A
Generic (Most Airlines)
First Class (Discounted) First High Fee may apply Partial 125-150% Yes
J
Generic (Most Airlines)
Business Class (Full Fare) Business Full Free Full refund 125-150% Yes
C
Generic (Most Airlines)
Business Class (Full Fare) Business Full Free Full refund 125-150% Yes
D
Generic (Most Airlines)
Business Class (Discounted) Business Medium Fee applies Partial 100-125% Limited
I
Generic (Most Airlines)
Business Class (Discounted) Business Medium Fee applies Partial 100-125% Limited
W
Generic (Most Airlines)
Premium Economy (Full Fare) Premium Economy High Fee may apply Partial 100-125% Limited
Y
Generic (Most Airlines)
Economy (Full Fare) Economy Full Free Full refund 100% Yes
B
Generic (Most Airlines)
Economy (Discounted) Economy Medium Fee applies Partial 100% Limited
M
Generic (Most Airlines)
Economy (Discounted) Economy Medium Fee applies Partial 75-100% Limited
H
Generic (Most Airlines)
Economy (Discounted) Economy Low High fee Limited 50-75% No
Q
Generic (Most Airlines)
Economy (Discounted) Economy Low High fee Limited 50-75% No
K
Generic (Most Airlines)
Economy (Deep Discount) Economy Very Low Very high fee Non-refundable 25-50% No
L
Generic (Most Airlines)
Economy (Deep Discount) Economy Very Low Very high fee Non-refundable 25-50% No
T
Generic (Most Airlines)
Economy (Lowest Fare) Economy None Not allowed Non-refundable 0-25% No
J
Iberia
Business Plus Business - - - 150% -
C
Iberia
Business Business - - - 125% -
D
Iberia
Business Promo Business - - - 100% -
Y
Iberia
Economy Flexible Economy - - - 100% -
B
Iberia
Economy Optimal Economy - - - 100% -
M
Iberia
Economy Classic Economy - - - 75% -
H
Iberia
Economy Lite Economy - - - 50% -
F
British Airways
First First - - - 200% -
J
British Airways
Club World Business - - - 150% -
W
British Airways
World Traveller Plus Premium Economy - - - 125% -
Y
British Airways
World Traveller (Full) Economy - - - 100% -
B
British Airways
World Traveller Economy - - - 100% -
M
British Airways
World Traveller Economy - - - 75% -
F
American Airlines
First Class First - - - 200% -
J
American Airlines
Business Class Business - - - 150% -
Y
American Airlines
Main Cabin (Full) Economy - - - 100% -
B
American Airlines
Main Cabin Economy - - - 100% -
M
American Airlines
Main Cabin Economy - - - 75% -
H
American Airlines
Main Cabin Economy - - - 50% -
Q
American Airlines
Main Cabin Economy - - - 50% -
K
American Airlines
Main Cabin Economy - - - 25% -
F
Air France
La Première First - - - 200% -
J
Air France
Business Business - - - 150% -
W
Air France
Premium Economy Premium Economy - - - 125% -
Y
Air France
Economy (Full) Economy - - - 100% -
B
Air France
Economy Economy - - - 100% -
M
Air France
Economy Economy - - - 75% -
H
Air France
Economy Economy - - - 50% -
F
Lufthansa
First Class First - - - 200% -
J
Lufthansa
Business Class Business - - - 150% -
W
Lufthansa
Premium Economy Premium Economy - - - 125% -
Y
Lufthansa
Economy Flex Economy - - - 100% -
B
Lufthansa
Economy Classic Economy - - - 100% -
M
Lufthansa
Economy Light Economy - - - 75% -
Understanding Fare Classes
  • F/A: First Class - Highest flexibility and benefits
  • J/C/D: Business Class - Premium service and lounge access
  • W: Premium Economy - Extra legroom and amenities
  • Y: Full Fare Economy - Maximum flexibility
  • B/M/H: Discounted Economy - Varying restrictions
  • K/L/T: Deep Discount - Minimal flexibility
Pro Tips
  • Y class always earns 100% miles on most airlines
  • Business class codes vary: J (most), C (some), D (discounted)
  • Lower letters (K, L, T) often mean non-refundable
  • Check fare rules in GDS for exact conditions
  • Elite status may override some restrictions

Common Fare Class Questions

Y class is full-fare economy. It offers maximum flexibility with free changes, full refunds, and 100% mileage accrual. It's the most expensive economy fare but provides the best benefits.

Both J and C typically represent business class. J is more commonly used internationally, while C is often used by some airlines. Both usually offer the same cabin service, though fare rules may vary.

Mileage accrual varies by airline and frequent flyer program. Generally, Y class earns 100%, while discounted classes (B, M, H) earn 50-100%. Deep discount classes (K, L, T) may earn 0-50% or nothing.