Flights from Ontario Airport (ONT) to Seattle Airport Airport (SEA)

We've found the cheapest flights to Seattle

Returns from £108.95

One-way from £58.16

You have a choice of 12 airline companies when flying from Ontario International to Seattle-Tacoma International. The distance covered when flying from Ontario International to Seattle-Tacoma International United States is 1,540 Km (957 Miles) with the travel time being around 2 Hours 37 Minutes. ONT is the Airport code for Ontario International and SEA is for Seattle-Tacoma International United States.

Ticket prices are normally at a premium at weekends and can vary also with the time of day. It is normally worth booking flights well in advance if possible to get the best deal to Seattle-Tacoma International United States perhaps midweek or late evening. Flights to Seattle-Tacoma International United States normally go up in price the nearer the travel date, so it would be advisable to book as early as possible.

The table below shows the amount of daily flights in operation from Ontario International (ONT) to Seattle-Tacoma International (SEA).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Hawaiian Airlines455534506:0018:58VIEW FLIGHTS
Alaska Airlines455534506:0018:58VIEW FLIGHTS
Delta Connection444433406:2517:50VIEW FLIGHTS
WestJet444422206:2517:50VIEW FLIGHTS
Virgin Atlantic333333306:2515:09VIEW FLIGHTS
KLM333322206:2517:50VIEW FLIGHTS
SAS222222206:2511:25VIEW FLIGHTS
Qatar Airways222221206:0012:00VIEW FLIGHTS
Korean Air222211106:2517:50VIEW FLIGHTS
Volaris111111110:0310:03VIEW FLIGHTS
Japan Airlines111111106:0006:00VIEW FLIGHTS
Frontier111111110:0310:03VIEW FLIGHTS

The greatest amount of direct flights offered from Ontario International to Seattle-Tacoma International United States are by Hawaiian Airlines with around 31 flights a week. The earliest flight is available at 06:00 and the latest flights at 18:58 with the most popular flight number being HA6287, HA6288, HA6289 and HA6290.

hawaiianair.com is available for information regarding booking flights etc with Hawaiian Airlines.

Please see below the times of flights. These times and frequency may vary at different times of the year please visit the website for more information.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:50
AirlineFlightNo
Korean AirKE3070
WestJetWS7523
WestJetWS7644
KLMKL6208
Delta ConnectionDL4031
18:58
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Tuesday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:50
AirlineFlightNo
Korean AirKE3070
WestJetWS6437
WestJetWS7644
KLMKL6208
Delta ConnectionDL4031
18:58
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Wednesday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:50
AirlineFlightNo
Korean AirKE3070
WestJetWS6437
WestJetWS7283
KLMKL6208
Delta ConnectionDL4031
18:58
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:50
AirlineFlightNo
Korean AirKE3070
WestJetWS7283
WestJetWS7523
KLMKL6208
Delta ConnectionDL4031
18:58
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Friday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
VIEW FLIGHTS
Saturday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:05
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
18:51
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Sunday
06:00
AirlineFlightNo
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
Japan AirlinesJL6389
Qatar AirwaysQR2987
06:25
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8146
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
10:03
AirlineFlightNo
VolarisY42593
FrontierF93164
11:25
AirlineFlightNo
SASSK3675
KLMKL7851
Delta ConnectionDL3593
Virgin AtlanticVS5467
12:00
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
14:21
AirlineFlightNo
Alaska AirlinesAS1242
Hawaiian AirlinesHA6307
15:09
AirlineFlightNo
WestJetWS8142
Delta ConnectionDL3589
Virgin AtlanticVS5381
16:00
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:50
AirlineFlightNo
Delta ConnectionDL4031
18:58
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS

You may instead fly from Ontario International and arrive at Seattle-Tacoma International by an alternative airport or airports. The summary of this is in the table below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Burbank to Seattle 01,510 km (938 miles)2 Hours 35 Minutes
Las Vegas to Seattle 01,395 km (867 miles)2 Hours 27 Minutes
Los Angeles to Seattle 01,537 km (955 miles)2 Hours 37 Minutes
Palm Springs Municipal to Seattle 01,590 km (988 miles)2 Hours 41 Minutes
San Diego to Seattle 01,692 km (1,051 miles)2 Hours 48 Minutes
Santa Barbara Municipal to Seattle 01,463 km (909 miles)2 Hours 32 Minutes
San Bernardino Norton Afb to Seattle 01,544 km (960 miles)2 Hours 38 Minutes
Santa Ana John Wayne to Seattle 01,576 km (979 miles)2 Hours 40 Minutes

If you require a hire car at Seattle-Tacoma International be sure that you are in possession of a valid driving licence and also a current credit card.

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Flight Price FAQ - Ontario (ONT) to Seattle (SEA)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Ontario ONT to Seattle SEA?
The cheapest direct flight one way from Ontario ONT to Seattle SEA is £58.16 ($79 €67.50)
£58.16
$79 | €67.50
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Ontario ONT to Seattle SEA?
The cheapest direct return flight from Ontario ONT to Seattle SEA is £108.95 ($148 €126.45)
£108.95
$148 | €126.45
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from ONT to SEA

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Flight Info FAQ - Ontario (ONT) to Seattle (SEA)

Who flies from Ontario to Seattle?
The following airlines fly from Ontario (ONT) to Seattle (SEA): Alaska Airlines, Delta Connection, Frontier, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Qatar Airways, SAS, Virgin Atlantic, Volaris, WestJet.
How far is the flight from Ontario to Seattle?
The flight from Ontario to Seattle is 1,540KM or 957 miles.
How long does the flight from Ontario to Seattle to take?
The flight from Ontario to Seattle takes 2 Hours 37 Minutes.

Other Airports Connecting To Seattle Airport in united states

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