How to rent a car for less: 7 overlooked tips

You have found the perfect flight and booked the ideal stay, but then you check rental car rates. The budget takes a hit. Since the post-Covid vehicle shortage, prices have jumped 30 to 50 percent in many destinations. A road trip in Sardinia in August? Expect to pay at least €80 ($85) per day for a basic compact car.

The frustrating part is that online advice always repeats the same obvious tips: book early, compare prices, choose a smaller model. You already know these. Yet, you still end up paying too much.

After renting vehicles in dozens of countries, we are sharing insider secrets that few people know. These tactics have one thing in common: they work. For our own trips, we use DiscoverCars, a comparison engine that simultaneously scans over 700 rental companies in 145 countries. It is our go-to tool, and you will see why as you read on.

7 lesser-known tips for cheap car rentals

1. The book and rebook technique: reserve now, rebook later

Unlike airline tickets, the majority of car rentals are fully refundable up to 24 or 48 hours before pickup.

The principle is simple. As soon as your dates are set, book a vehicle even if the price does not seem perfect. Afterward, check the prices every week. If the rate drops, cancel and rebook. There is zero risk.

⚠️ Tip: on DiscoverCars, most offers include free cancellation. Set a reminder in your calendar to check prices 30 days, 14 days, and 7 days before your departure.

This method works especially well in the off-season and shoulder season, when rental companies lower their rates to keep their fleets moving. Savings of 15 to 40 percent are not uncommon between the initial booking and the final price.

2. Use a VPN to access pricing from another country

Booking platforms sometimes show different rates depending on your location. The same vehicle, for the same dates, in the same city, can cost 20 to 30 percent less if you book from Poland or Chile rather than from Paris.

How does it work? Rental agencies and search engines adjust their pricing based on the estimated purchasing power of the country where the connection originates. Simply turn on a VPN set to a country with a lower cost of living to access these reduced rates.

⚠️ Tip: test it with a VPN set to Eastern Europe or Latin America. It does not work every time, but when it does, the savings are significant.

3. Compare the weekly rate, even if you only need 4 or 5 days

It is counterintuitive, which is exactly why almost no one thinks of it. Rental companies offer discounted rates for rentals longer than 7 days. As a result, renting a car for a full week is sometimes cheaper than renting it for 5 days.

Here is a concrete example. For a compact car in Lisbon in June, you might find a rate of €42 ($45) per day for 5 days, totaling €210 ($225). The weekly rate for the same vehicle drops to €28 ($30) per day, or €196 ($210) for 7 days. You save €14 ($15) and get two extra days of use for free.

⚠️ Tip: on DiscoverCars, run two searches side-by-side with your actual dates and a full week. Compare the totals. In most cases, you can still return the vehicle early without penalty.

4. The anti-penalty trick: change the date instead of canceling

Your plans change at the last minute and you need to cancel. The problem is that some agencies charge cancellation fees within the final 48 hours. Here is a workaround that is remarkably simple.

Instead of canceling immediately, change the pickup date to push it back by a week or two. This modification is usually free. Once the new date is confirmed, you again have the necessary window to cancel without fees.

Be aware that this technique does not work with every rental agency. Read the terms and conditions carefully before relying on it. But when it works, it saves you €30 to €50 ($32 to $54) depending on the agency.

5. Use the rental insurance already on your credit card

At the agency counter, they will always try to sell you additional insurance. The pitch is rehearsed: they show you the deductible amount, describe worst-case scenarios, and you eventually pay €10 to €25 ($11 to $27) more per day. Over a week, that is a surcharge of €70 to €175 ($75 to $188).

What many people do not realize is that your Visa Premier, Gold Mastercard, or equivalent already includes insurance that covers the deductible in case of damage to a rental vehicle. This protection is valid in most countries for rentals of up to 31 days.

• How to activate it: refuse the agency's additional insurance at the counter. If an incident occurs, file a claim with your bank's insurance service within 5 days.
• What is covered: physical damage to the vehicle and theft, up to the limit of your card's policy.
• Limits to know: some countries are excluded, SUVs and luxury vehicles are not always covered, and the maximum rental length varies by bank.
• Our recommendation: call your bank's customer service before your trip to confirm the exact coverage terms.

We consider this the most profitable tip on this list. By itself, it can save you over €100 ($108) on a one-week rental.

⚠️ Warning: card insurance only covers rentals paid for with that specific card. Choose the right payment method when booking.

6. Relocation offers: rent a vehicle for €1 per day

Yes, you read that right. Large rental companies frequently need to move vehicles from one city to another to rebalance their fleets. Instead of paying a driver, they offer these trips to individuals at symbolic rates, sometimes €1 ($1.10) per day, including fuel.

Platforms like Imoova or Transfercar list these offers. The catch is that you must follow a specific route and delivery deadline.

This option is perfect for flexible travelers who are open to adapting. Getting from Paris to Marseille or Barcelona to Madrid for a few euros is hard to beat. Offers are more frequent in the off-season, when tourist flows create fleet imbalances.

7. Optimize your exact pickup and return times

Rental companies charge in 24-hour blocks. If you pick up the vehicle at 10 a.m. and return it at 10:30 a.m. the next day, you pay for two full days. Thirty minutes late can mean an extra full day on your bill.

The first rule is to time your schedule precisely. Return the vehicle with a comfortable margin before the deadline. Better yet, adjust your pickup times to reduce the total billable duration.

⚠️ Tip: if your flight lands at 2 p.m., do not book the car for 3 p.m. Take it at 4 p.m. or 5 p.m. You will shift your return window accordingly. Also, avoid pickups between 11 p.m. and 6 a.m., which often trigger surcharges at certain agencies.

Having a coffee at the airport while waiting for your slot can literally save you an entire day of rental fees. This is arguably the best effort-to-savings ratio on this list.

3 basics you should never neglect

Before jumping into advanced tricks, make sure you have mastered the fundamentals. They are nothing new, but ignoring them would be like saving money on one side while letting it slip through the cracks on the other.

• Use a reliable comparison tool: a platform like DiscoverCars instantly displays offers from hundreds of agencies. Comparing sites manually one by one will cost you time and likely cause you to miss the best deals.
• Book as early as possible: in high season, economy vehicles sell out first. Waiting means paying more for a larger model you do not need.
• Always return the vehicle with a full tank: rental companies charge for missing fuel at a rate that can be double the price at a gas station. Identify a gas station on your return route before dropping off the car.

Can you rent a car without a credit card?

Many travelers think a credit card is mandatory to rent a vehicle. This is a common misconception. More and more rental companies accept debit cards, even abroad, provided you know where to look.

The security deposit may be higher, and the verification process stricter. To simplify the process, we have written a complete guide that details how to filter for debit card-compatible offers and avoid unpleasant surprises at the counter.

👉 Check out our guide: renting a car with a debit card at the best price

Which rental company should you choose? Our ranking

Once you have your tips in hand, one crucial question remains: which company should you trust with your trip? Between international giants, low-cost firms, and local players, the choice can quickly become a headache.

We have selected the best rental companies and booking sites for you (based on rates, service quality, and transparency) and established a ranking based on our members' reviews. This comparison is updated continuously.

👉 Discover our ranking of the best car rental companies

When to rent for the lowest price? The pricing calendar

When you book matters as much as how you book. Rental rates fluctuate significantly by season, and a few days of difference can cut your bill in half. The table below summarizes pricing trends in Europe to help you plan properly.

This calendar applies to classic European destinations. For tropical zones or the Southern Hemisphere, the trends are reversed: check the local high season before booking.

Find your rental at the best price

You now know all the tricks to rent a car for cheap, from advanced techniques like book and rebook or using a VPN to the fundamentals like comparing prices and refueling before return. It is time to take action.

We have integrated the DiscoverCars search engine below, the same comparison tool we use for every trip. It simultaneously queries over 700 rental companies and displays results sorted by price, customer reviews, and cancellation policies. Start your search and apply the 7 tips you just discovered.