Originally Posted by
februaryfour
I can answer that--I'm looking at a fare search on Vayama right now. If you click on "Fare Details" under the suggested itinerary, you can see the fare code. For example, UA's is TLXR. (I have no idea what this means.

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NB: If you are not looking at a specific airline's offering, this may not appear.
T (fare basis) x (weekday Mon-Thurs-Sat) L (low season)