There are both garage and economy lot options. Details can be found here for pricing and locations. https://www.flyreagan.com/dca/parking-information
According to Spothero website. the Parking Garage for Ronald Reagan National Airport is affordable in different prizes.However, the cost of the parking service is in the limit of the renovation. The price for the long term parking is from $7-$22 Dollars. If is the Garage in the Regional Airport, it will cost $9-$22 per day and per person. For self-Parking it cost from $7-$12 per person.
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