The same fare class may carry different rules because the departure and arrival countries may differ. Carrier guidance states that fare rules are based on those countries, so a shared class label does not necessarily represent the complete set of conditions applying to every flight.
Why can the class label stay the same?
Consider two flights displaying the same fare class but serving different country pairs. Because the countries are a stated basis for fare rules, the applicable conditions may differ even when the class label does not.
The same guidance also says that different fare types are subject to different fare rules and prices. This reinforces the distinction between a fare label and the full fare conditions attached to a particular itinerary.
That does not mean every pair of same-class flights will have different rules. It means the class label alone cannot establish that their conditions are identical.
How to check the applicable rules
Travelers comparing flights should review each itinerary separately:
- Identify the departure and arrival countries.
- Check the fare type and class offered for that itinerary.
- Review the fare rules and price associated with that selection.
- Avoid assuming that conditions shown for one flight also apply to another solely because their class labels match.
What still requires confirmation
The cited statements do not provide a flight-by-flight comparison or identify a particular condition that must change between two same-class flights. They also do not establish flight-specific details such as change fees, refund conditions, baggage entitlements, or other service terms.
Those matters must be confirmed in the rules shown for the exact itinerary and fare selected. The country-pair explanation is supported by the cited carrier guidance, but it should not be treated as a universal rule for every carrier or fare class.