$70 Find Cheap Flights from Ontario to Seattle - Compare and Save

If you plan to leave your car at the airport, Ontario International Airport has a variety of parking options ranging from Valet Parking to premium parking, long-term parking, and even economy parking. Parking Lots 3 and 4 offer the best long-term parking options as cars are charged by the day instead of hourly, as is the case for other parking lots. Parking Lot 3 is the most convenient as it is located close to Terminal 4 and Terminal 2. Parking Lot 5, on the other hand, is the furthest from the airport terminals but also the cheapest one. Anyone parking here can use the free airport shuttle to get to the terminals.

The bus is the most budget-friendly way to get from the city center to Ontario International Airport. They can be found at Holt @ Palm Eb Fs, where you’ll take the 61 bus. This bus goes directly to the airport, and you’ll be dropped off at Terminal Way 2 in less than 20min.

Seattle Tacoma Airport is equipped with special access facilities to provide travelers with a safe and easy way to get around the airport. For instance, points of access to all terminals, as well as other buildings within the airport, are fitted with ramps and escalators to make it easy for anyone in a wheelchair to get through. Similarly, all the toilets have an accessible stall for travelers with limited mobility.

If you’ve booked connecting flights, your layover will depend on the airline you’re flying with. Most airlines will stop at an airport that serves as their hub since it is cheaper and extremely convenient. For example, if you’re flying with Delta, you’re most likely to have a layover at Salt Lake City International Airport, the only hub for Delta Airlines on this route. Similarly, flights serviced by United Airlines are scheduled for a layover at San Francisco International Airport, which is a hub for the airline.

In the last 5 days, the lowest price for a flight from Ontario to Seattle was $70 for a one-way ticket and $167 for a round-trip.

A passport is not required to fly from Ontario to Seattle.

All the following airlines offer inflight Wi-Fi service on the Ontario to Seattle flight route: Alaska Airlines, Delta, Hawaiian Airlines, JetBlue, British Airways, Finnair, Japan Airlines, American Airlines, and Iberia.

The Airbus A321neo is the aircraft model that flies most regularly on the Ontario to Seattle flight route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Seattle, with Star Alliance being the most commonly used for this route.

There are nonstop flights from Ontario to Seattle on a daily basis.

The two airlines most popular with KAYAK users for flights from Ontario to Seattle are Southwest and Alaska Airlines. With an average price for the route of $282 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $308 and an overall rating of 7.9.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Ontario with another airline. Booking your flights between Ontario and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.