starting at $157
starting at $198
starting at $64
starting at $68
starting at $91
Compare airlines, prices, and flight durations for your trip
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Washington. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
In different months, ticket prices from Ontario to Washington vary: minimum — $130 (December 2025), maximum — $179 (March 2026). Typically, the flight costs $155–$179.
A non-stop flight is the most convenient and comfortable way to fly from Ontario to Washington, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to Washington:
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We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The route Ontario — Washington is served by many carriers — 5 in total, including Southwest Airlines, United Airlines, American Airlines, Spirit Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $64) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
starting at $157
starting at $198
starting at $64
starting at $68
starting at $91
Los Angeles — Washington
05/20/2026
Departure
Direct flight
WN3281
starting at $267
Los Angeles — Washington
12/29/2025
Departure
Direct flight
UA688
starting at $402
Los Angeles — Washington
12/30/2025
Departure
Direct flight
AA1233
starting at $342
Los Angeles — Washington
01/27/2026
Departure
Direct flight
UA1453
starting at $232
Los Angeles — Washington
02/08/2026
Departure
Direct flight
UA1635
starting at $198
Ontario — Baltimore
01/05/2026
Departure
Direct flight
WN1945
starting at $157
Unable to find information about the schedule of direct flights from
The cheapest flight ticket from Ontario to Washington according to data for the last 48 hours costs $64
Often the best time to buy tickets from Ontario to Washington is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to Washington can be found flying in these months: December, March.
The fastest flights from Ontario to Washington start from 10 hours 58 minutes in the air.
The following airlines operate direct flights on the route Ontario — Washington: Southwest Airlines, United Airlines, American Airlines
We couldn't find any special offers for flights from Ontario to Washington
The cheapest one-way flight from Ontario to Washington departs on 01/06/2026, is operated by American Airlines and costs $64
The cheapest roundtrip flight from Ontario to Washington departs on 01/14/2026, is operated by Frontier Airlines and costs $179
Fastest flight from Ontario to Washington takes 10h 58m
There are no direct flights on this route.
The distance between Ontario and Washington is 3639km (2256 miles). The time difference between Ontario and Washington is 3h