Flights from Ontario Airport ONT to Seattle Airport SEA

Q: How long does the flight from Ontario to Seattle to take?

The flight from Ontario to Seattle takes2 Hours 37 Minutes.

We've found the cheapest flights to Seattle

Returns from £62.76

One-way from £29.49

If it is your first time travelling to Seattle-Tacoma International then check out the airliners Volaris, Frontier, LATAM Airlines, ITA Airways, Air France, WestJet, Japan Airlines, Qatar Airways, Hawaiian Airlines, Alaska Airlines, Korean Air, Virgin Atlantic, Delta Connection and KLM. These airliners all offer direct flights that depart from Ontario International, so you will find flying to Seattle-Tacoma International is quite easy. When travelling from Ontario International you will cover about 957 miles before you reach Seattle-Tacoma International. This journey will take 2 Hours 37 Minutes.

The price of the flight is dependent on the time of the day you fly and the day of the week with weekends being normally a higher price. If you are on a tight budget then you should avoid flying at peak hours as the prices are more expensive. The cheapest flights are in the evenings and in mid week. We advise all our viewers to book well in advance. This way you will get the low priced tickets available.

If you are planning a trip to Seattle-Tacoma International Airport from Ontario International Airport you can pre-arrange short or long term parking at Ontario International Airport.

If you rented a vehicle at Seattle-Tacoma International Airport and have to return it with a full tank of fuel, avoid excess fees by refilling at the nearest fuel station to Seattle-Tacoma International Airport.

We suggest pre-booking your transport to Ontario International Airport. The following options are available:

Pre-booking your transportation requirements at Seattle-Tacoma International Airport can save a lot of time, hassle and money when arriving at the airport. Research and book your preferred choice of ground transportation at Seattle-Tacoma International Airport:

Find hotels close to Seattle-Tacoma International Airport many hotels offer airport transfers directly from the airport to your hotel.

The table below displays the numbers of daily flights from Ontario International (ONT) to Seattle-Tacoma International (SEA) and the relevant airlines that fly.

Flights Chart

Airliner	Mo	Tu	We	Th	Fr	Sa	Su	First Flight	Last Flight	Flights
KLM	3	4	3	4	4	4	3	05:40	17:30	VIEW FLIGHTS
Delta Connection	3	3	3	3	3	3	3	05:40	17:30	VIEW FLIGHTS
Virgin Atlantic	2	3	3	3	3	3	2	05:40	17:30	VIEW FLIGHTS
Korean Air	2	3	2	3	3	3	2	05:40	17:30	VIEW FLIGHTS
Hawaiian Airlines	3	2	2	3	3	1	3	06:00	19:17	VIEW FLIGHTS
Alaska Airlines	3	2	2	3	3	1	3	06:00	19:17	VIEW FLIGHTS
Qatar Airways	2	2	2	2	2	1	2	06:00	11:33	VIEW FLIGHTS
WestJet	1	1	1	1	1	1	1	11:42	11:42	VIEW FLIGHTS
Japan Airlines	1	1	1	1	1	1	1	06:00	06:00	VIEW FLIGHTS
Air France	0	1	2	1	1	1	0	17:30	17:30	VIEW FLIGHTS
LATAM Airlines	0	1	1	1	1	1	0	17:30	17:30	VIEW FLIGHTS
ITA Airways	0	1	1	1	1	1	0	17:30	17:30	VIEW FLIGHTS
Volaris	1	0	0	1	1	0	1	10:12	10:12	VIEW FLIGHTS
Frontier	1	0	0	1	1	0	1	10:12	10:12	VIEW FLIGHTS

KLM offer the highest number of flights for this route with departures times between 05:40 and 17:30.

You can find the latest flight availability and prices from KLM at klm.com. You can also book direct and get their latest discounts.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays

Day

Flight Times

Flights

Monday