ONT to BFI (Ontario to Seattle) Flights

Last Minute Flights from ONT to BFI

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTSeattleJune 20 to June 24$940
*Prices include taxes and fees

Cheapest ONT to BFI Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTSeattleAugust 12 to August 16$775
ONTSeattleAugust 13 to August 16$785
ONTSeattleAugust 12 to August 24$785
ONTSeattleAugust 17 to August 24$795
*Prices include taxes and fees
ONT to BFI Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
Boeing Field
Destination airport IATA code
BFI
Distance
962 mi

Frequently asked questions

What airlines fly direct from ONT to BFI?
To make your way from Los Angeles - Ontario Intl. Airport (ONT) to Boeing Field, you’ll have to book a flight with at least one stop. Currently there are no nonstop services on this route.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Seattle, WA (BFI-Boeing Field)?
The Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Seattle, WA (BFI-Boeing Field) route covers 960 miles (1,550 1) and is regarded as a medium-haul journey. If you’re a creature of comfort — and the price is fair — think about a premium or business class seat.
What is the average price from Ontario to Seattle?
Round-trip fares between ONT and BFI start from around $775. When you’re ready to lock in your trip, we’ll help you score the hottest deal around. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from ONT to BFI, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.