The CheapOair car rental promo code for international available here is valid for an additional $8 discount off your rental car. The offer appears to work with all car rental agencies for international travel. Do not forget to apply the car rental promo code for CheapOair before completing your order. The discount will be given towards the CheapOair service fees. Instant Savings can be combined with CheapOair car rental promo codes to reduce up to the full amount of the service fees. Any excess savings will not be credited. All car rental promo codes for CheapOair end on date indicated. However, the offer may be adjusted or ended anytime without notice. To be eligible for the CheapOair car rental promo code, you must purchase your booking by August 31, 2018.