How to Find Cheap Rental Cars: Tips to Save 30% or More

Anyone who’s ever stared at a rental car counter price and wondered if there’s a cheaper way already knows the feeling. The good news: with the right strategy, you can regularly save 30% or more on your next rental.

Average daily rental car rate (US 2024): $120 ·
Potential savings from booking in advance: up to 30% ·
Typical insurance cost per day: $15 ·
Deposit hold amount at major companies: $200

Here are the key facts every renter should know.

What is the best way to get the cheapest rental car?

Should I book in advance or last minute?

• Booking early typically yields lower rates, especially during peak seasons — Upgraded Points (travel savings analysis)
• Last-minute opaque deals on Hotwire and Priceline can undercut advance bookings — Upgraded Points (opaque pricing)
• A balanced strategy: book a refundable rate early, then monitor for drops.

The trade-off: advance booking gives peace of mind and a solid baseline, while last-minute gambles work best for flexible travelers willing to risk limited availability.

How to use comparison sites like Kayak and Skyscanner?

• KAYAK searches hundreds of rental sites simultaneously including Avis, Budget, Enterprise, Hertz — KAYAK (official site)
• Skyscanner claims an average saving of 30% and 82% of deals include unlimited mileage — Skyscanner (car rental hub)
• Expedia covers more than 47,000 vendors in 190 countries — Uber Blog (Expedia data)

The pattern: using at least two comparison tools catches exclusive deals and gives you leverage to spot the real lowest total price.

The pattern: early booking with refundable options gives flexibility, while last-minute deals reward risk-tolerant travelers.

How to avoid surprise rental car charges?

What are common hidden fees in car rentals?

• Additional driver fees, young driver surcharges, and pre-paid fuel costs are frequent culprits — Upgraded Points (hidden fee list)
• KAYAK prices may not include all taxes and fees until the final booking step — Uber Blog (Kayak warning)
• The ‘full-to-full’ fuel policy is almost always cheapest — you fill up before returning.

The catch: many sites advertise a low base rate then pile on fees at checkout. Always expand the total cost breakdown before entering payment details.

How to read the rental agreement before signing?

• Always inspect the vehicle for pre-existing damage and document with photos — Dream Big Travel Far (inspection tip)
• Review the fuel policy, mileage limits, and return location rules line by line.
• Decline insurance you already have through your personal auto policy or credit card — Uber Blog (insurance savings)

The implication: a few minutes of inspection can prevent hundreds in charges.

What is the cheapest most reliable car rental company?

Enterprise vs. Hertz vs. Budget: which is cheapest?

• NerdWallet’s June 2024 analysis ranked Enterprise among the cheapest — Uber Blog (Enterprise data)
• Enterprise operates more than 9,500 locations with free pickup service — Uber Blog (Enterprise network)
• Reliability varies by location; check reviews on Google Maps or Trustpilot before booking.

The pattern: no single company is cheapest everywhere. Use comparison tools to check the specific location and dates you need.

Are off-airport locations cheaper?

• Off-airport locations can save 20–30% compared to airport counters — Uber Blog (airport vs off-airport)
• Companies like Enterprise offer free pickup from nearby hotels or homes.

The catch: the cheapest company varies by location, so always compare locally.

How do I avoid getting ripped when renting a car?

What to check before signing the contract?

• Take a video walkaround of the car to avoid being charged for pre-existing damage — Dream Big Travel Far (SheBuysTravel advice)
• Never sign blank documents or waive your right to inspect the vehicle.
• Confirm the fuel policy, mileage cap, and any additional driver fees in writing.

How to avoid unnecessary insurance upsells?

• Decline insurance you already have through your personal auto policy or credit card — Uber Blog (insurance tip)
• If you don’t have coverage, consider a standalone rental insurance policy from companies like Allianz.

The implication: rejecting insurance you don’t need can cut daily cost by $15–30.

Why does Enterprise charge $200?

Is the $200 a deposit or a fee?

• Enterprise places a temporary hold (deposit) of $200 on credit cards for incidentals — Uber Blog (deposit practice)
• The hold releases after the car is returned undamaged, usually within 3–7 business days.

How to get the deposit back quickly?

• Use a credit card with sufficient limit to avoid holding your debit funds.
• Prepay online to reduce the hold amount at pickup — Uber Blog (prepayment tip)

The pattern: this hold is standard across major agencies. Budget accordingly to avoid surprises.

Comparison of top car rental booking platforms

Three major platforms, one pattern: each excels in a different area. Here’s how they stack up.

The pattern: each platform has strengths; your best strategy is to check at least two.

Pros and cons of the cheapest rental car strategies

The takeaway: the savings are real, but require vigilance.

Step-by-step: How to find the cheapest rental car

1. Use comparison tools. Start with KAYAK and Skyscanner to scan hundreds of suppliers and identify the lowest base rates. (KAYAK)
2. Book 2–3 weeks in advance. Lock in a refundable rate early, then monitor for price drops using AutoSlash. (Uber Blog)
3. Choose off-airport pickup. Pick up at a location away from the airport to save 20–30%. (Uber Blog)
4. Apply membership discounts. If you have Costco, AAA, or AARP membership, check for exclusive rates. (Uber Blog)
5. Decline unnecessary insurance. Use your personal auto policy or credit card coverage to avoid daily insurance fees. (Uber Blog)
6. Inspect and document. Take a video walkaround of the car before leaving the lot to avoid bills for pre-existing damage. (Dream Big Travel Far)

What this means: following these steps consistently should yield the lowest total cost.

What’s confirmed vs what’s still unclear

The pattern: many factors are location-specific, so check your specific dates.

What the experts say

“KAYAK searches hundreds of car rental sites for deals from Thrifty, Dollar, Enterprise, Hertz, Payless.”

— KAYAK (leading travel search engine)

“Skyscanner saves 30% on average, 82% of deals have unlimited mileage, available in 46,139 cities.”

— Skyscanner (global travel marketplace)

“AutoSlash tests hundreds of coupons per rental and provides free price tracking.”

— Uber Blog (car rental analysis)

Summary: Your next rental car should cost less

Combining advance booking, comparison tools, and fee awareness can consistently shave 30% off the price. The pattern is repeatable: use Kayak or Skyscanner to find the base rate, book early with refundable terms, choose an off-airport location, and decline insurance you already have. For US travelers, the implication is clear: check Enterprise and off-airport branches, or face leaving $30–$60 on the counter every rental.

For travelers heading to the Emerald Isle, comparing cheapest rental options in Ireland can yield even greater savings than the general tips outlined above.

Frequently asked questions

These answers should help you navigate common rental scenarios.