Ontario Airport (ONT) Flights 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 £63.85

One-way from £30

If it is your first time travelling to Seattle-Tacoma International then check out the airliners Volaris, Jet Linx Aviation, Frontier, LATAM Airlines, ITA Airways, Air France, Japan Airlines, Qatar Airways, Virgin Atlantic, Korean Air, Hawaiian Airlines, Alaska Airlines, Delta Connection, WestJet 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. The flight from Ontario International to Seattle-Tacoma International is approximately 1,540 Kilometers which is 957 Miles. You should expect a flight time of around 2 Hours 37 Minutes.

The cost of flights varies on the time and day you fly. To obtain the best prices for Seattle-Tacoma International flights than book well in advance. The ticket prices for most airliners will increase the closer you get the departure date, so as soon as you know the date you will travel you should book your flights.

If you plan on flying to Seattle-Tacoma International Airport (SEA) from Ontario International Airport (ONT) you can pre-arrange your long or short term parking at Ontario International Airport (ONT).

If you had a rental car at Seattle-Tacoma International Airport (SEA) and need to return it, find the nearest fuel station on your route to Seattle-Tacoma International Airport (SEA) and avoid excess fees.

Organise and book your choice of transport to Ontario International Airport (ONT):

Organise and book your choice of transport at Seattle-Tacoma International Airport (SEA):

You can also research and pre-book a hotel near Seattle-Tacoma International Airport (SEA)

For a full summary of all the airliners that fly from Ontario International to Seattle-Tacoma International, please see the table below.

Flights Chart

Airliner	Mo	Tu	We	Th	Fr	Sa	Su	First Flight	Last Flight	Flights
KLM	3	4	3	4	4	6	5	05:40	17:30	VIEW FLIGHTS
WestJet	3	3	2	3	4	4	4	05:40	17:30	VIEW FLIGHTS
Delta Connection	3	3	3	3	3	3	3	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	2	3	06:00	19:17	VIEW FLIGHTS
Alaska Airlines	3	2	2	3	3	2	3	06:00	19:17	VIEW FLIGHTS
Virgin Atlantic	1	2	2	2	3	3	2	05:40	17:30	VIEW FLIGHTS
Qatar Airways	2	2	2	2	2	2	2	06:00	11:33	VIEW FLIGHTS
Japan Airlines	1	1	1	1	1	1	1	06:00	08:50	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
Jet Linx Aviation	0	0	1	1	1	1	0	06:00	06:00	VIEW FLIGHTS
Frontier	1	0	0	1	1	0	1	10:21	10:21	VIEW FLIGHTS
Volaris	0	0	0	1	1	0	1	10:21	10:21	VIEW FLIGHTS

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

If you wish to book your flight with KLM then we advise you book direct from their website at klm.com. The best discounts can only be obtained from their website.

The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Flights Time In WeekDays

Day

Flight Times

Flights

Monday