Cheap flights from Seattle to Ontario

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How much is a ticket from Seattle to Ontario?

Flight prices from Seattle to Ontario change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Are there alternative airports near Seattle and Ontario?

The two cities are about 1540 km apart. Looking beyond the main airport might reveal better options.

  • Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
  • Airports in Ontario: Only Ontario is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Ontario has more than one airport, you can pick the most convenient for your destination.

Smart ways to search flights from Seattle to Ontario

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like Easyjet, Ryanair, British Airways, and more.

Other popular destinations

Flying to United States? Other travelers also searched: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.
Frequently Asked Questions

Frequently asked questions about flights from Seattle to Ontario.

How much does an airline ticket from Seattle to Ontario cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Seattle to Ontario.

How far is Seattle from Ontario?

Seattle is about 1540 km from Ontario.

What are the airports in Ontario?

Ontario has one airport: Ontario.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Seattle to Ontario?

This information is not available at the moment.

What is the cheapest month to fly from Seattle to Ontario?

This information is not available at the moment.

What is the most expensive month to fly from Seattle to Ontario?

This information is not available at the moment.

What is the best day of the week to fly from Seattle to Ontario?

This information is not available at the moment.