Alamo

Get a free single upgrade on any compact through midsize car on rentals through March 31, 2020. You must book at least 24 hours in advance and rent for a minimum of one day.

Avis

Get a free rental day when you rent an intermediate through full-size four-door car (groups C to E) for a minimum of three days through December 31. Valid on Thursday through Monday rentals which must include a Saturday night and the vehicle returned by Monday at 11:59 p.m. local time.

One-way rates are $9.99 for rentals picked up on any Thursday or Friday at a participating airport and dropped at a downtown within 12 hours. Rates include 150 miles and a free tank of gas! Valid on economy through full-size cars or $14.99 for premium or mid-size SUVs. The $9.99 and $14.99 daily rental also applies to Sunday and/or Monday downtown pick-ups and dropped at a participating airport.

Budget

The Budget SUV Super Sale is back but only for rentals picked up through December 15. Save on 5- and 7-seat SUVs with intermediate-sized vehicle (group F) with rates from $37 weekend day or $229 a week. A standard SUV (group W or Ford Edge) is $42 weekend day or $259 a week; standard-elite (group S or Ford Explorer) is $45 weekend day or $299 a week. Valid on weekend rentals beginning at noon on Thursday and ending before midnight, Monday. Weekly rentals are 5 to 14 consecutive days.

Save up to 30% AND receive a 10% Amazon.com gift card after completed Budget rentals. The gift card will be issued within 48 hours to the email associated with your Amazon.com profile. Renters are required to authenticate on Budget.com by logging in with the Amazon credentials to receive the credit.

One-way rates are $9.99 for rentals picked up on any Thursday or Friday at a participating airport and dropped at a downtown within 12 hours. Rates include 150 miles and a free tank of gas! Valid on economy through full-size cars or $14.99 for premium or mid-size SUVs. The $9.99 and $14.99 daily rental also applies to Sunday and/or Monday downtown pick-ups and dropped at a participating airport.

Enterprise

Weekend rates start from $12.99 and include 100 miles per day. Valid on economy through full-size rentals beginning on Friday and ending the following Monday at participating neighborhood locations in U.S. and Puerto Rico. Advance reservations required. Rentals must end on or before May 20, 2020.

Sixt

Save 35% on their premium fleet when you book for one week or longer. The offer is valid for prepaid and pay on arrival rentals at participating SIXT locations in the U.S.

So how do you begin to search and book a great deal on a rental car?

Start at AutoSlash.com. The service delivered airport rental cars for 20% less than the average! The site also tracks your rental rate after you book and will alert you to price drops.

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