Japan Car Rental Deals & Discounts — Save on Your Self-Drive Road Trip
Relax-RentACar offers the best japan car rental deals for international travellers. Whether you're booking early, staying for a week, or bringing the whole family, our japan car rental deals are designed to make your self-drive adventure more affordable. All japan car rental deals include English GPS, unlimited mileage, and CDW insurance.
Exclusive Japan Car Rental Deals for 2025–2026
Book today and save up to 15% on your japan car rental deal. All japan car rental deals include English GPS, CDW insurance & unlimited mileage.
Current Japan Car Rental Deals
All our japan car rental deals are available to book online. Simply enter the promo code at checkout to apply your japan car rental deal discount:
Early Bird Japan Car Rental Deal
Book your japan car rental deal 30+ days in advance and save 15% on the base rate. Valid for all vehicle categories and japan car rental locations.
Free English GPS + ETC Card Deal
Get a free English GPS unit and ETC expressway card with your japan car rental deal — essential for navigating Japan's toll roads with ease.
Weekly Japan Car Rental Deal
Rent for 7+ days and save 10% on your japan car rental deal. Perfect for long road trips from Hokkaido to Kyushu.
Family Japan Car Rental Deal
Book a 7-seater or larger and receive a free child safety seat with your family japan car rental deal. Perfect for travelling with young children.
Return Customer Japan Car Rental Deal
Rented with us before? Enjoy an exclusive 5% loyalty discount on your next japan car rental deal booking.
One-Way Japan Car Rental Deal
Book a one-way japan car rental deal between Tokyo and Osaka and receive a free vehicle category upgrade, subject to availability.
Seasonal Japan Car Rental Deals
Japan's seasons create unique self-drive opportunities. Our seasonal japan car rental deals are timed to match the best driving conditions and travel experiences throughout the year:
🌸 Cherry Blossom Deal (Mar–Apr)
Japan's most popular self-drive season — book your japan car rental deal 3–6 months ahead to secure availability.
❄️ Winter Snow Deal (Dec–Feb)
Hokkaido ski season japan car rental deals include free snow tyre fitting — essential for safe winter driving.
🍁 Autumn Foliage Deal (Oct–Nov)
Japan's koyo season — scenic mountain roads at their most spectacular. Book your autumn japan car rental deal early.
🌊 Okinawa Summer Deal (Jun–Sep)
Tropical beach driving in Okinawa — our summer japan car rental deals offer great value for island exploration.
How to Use Your Japan Car Rental Deal Promo Code
Search Cars
Enter your pick-up location and dates to search available japan car rental deals.
Select Vehicle
Choose your preferred car category from our japan car rental deals fleet.
Enter Promo Code
Apply your japan car rental deal promo code in the discount field at checkout.
Confirm & Save
Complete your booking and enjoy your japan car rental deal discount instantly.