Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Washington to Ontario is Frontier Airlines.
Cheapest Month
January
Travel Period: December 2024 - November 2025
The cheapest month(s) to fly from Washington to Ontario is January.
Cheapest Day of the Week
Thursday
The cheapest day(s) of the week to fly from Washington to Ontario is Thursday.
How far is Ontario from Washington?
The flight distance between Washington and Ontario is 3640km. Check all available flights on Wego.
Popular Destinations from Ontario
Popular Destinations from Washington
Popular Hotels in Ontario
- Sheraton Ontario Airport Hotel
- Ayres Suites Ontario Mills Mall - Rancho Cucamonga
- Ontario Airport Hotel & Conference Center
- Country Inn & Suites by Radisson, Ontario at Ontario Mills, CA
- Holiday Inn ONTARIO AIRPORT
- Azure Hotel & Suites, Trademark Collection by Wyndham
- Comfort Inn & Suites Near Ontario Airport
- Hampton Inn & Suites Ontario
- Hyatt Place Ontario / Rancho Cucamonga
- DoubleTree by Hilton Ontario Airport