The largest database of Current and Historical Airfare can be found at Fare detector.com.

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The page shows inflation-adjusted and unadjusted average air fares.The average is computed using data from the Bureau of Transportation Statistics’ O&D Survey, a 10% sample of all airline tickets for U.S. carriers.

Domestic itinerary fares are used to calculate average fares.Unless the customer does not purchase a return trip, itinerary fares are round-trip.The one-way fare is included.The total ticket value consists of the price charged by the airlines and any additional taxes and fees levied by an outside entity at the time of purchase.Fees for optional services, such as baggage fees, are not included in the fares.The inflation adjustment is calculated using dollars for the most recent year of air fare data.