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

We've found the cheapest flights to Seattle

Returns from £96.25

One-way from £47.75

You have a choice of 14 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 Airlines433442406:0019:47VIEW FLIGHTS
Alaska Airlines433442406:0019:47VIEW FLIGHTS
KLM333333306:0017:40VIEW FLIGHTS
Delta Connection333333306:0017:40VIEW FLIGHTS
WestJet322333206:0017:40VIEW FLIGHTS
Virgin Atlantic222222206:0011:50VIEW FLIGHTS
SAS222222206:0011:50VIEW FLIGHTS
Qatar Airways322221206:0019:47VIEW FLIGHTS
Korean Air222222206:0017:40VIEW FLIGHTS
Jet Linx Aviation111110106:0006:00VIEW FLIGHTS
Japan Airlines111110008:4508:45VIEW FLIGHTS
Volaris100110108:1308:43VIEW FLIGHTS
Frontier100110108:1308:43VIEW FLIGHTS
Air Transport International010000005:0005:00VIEW FLIGHTS

The greatest amount of direct flights offered from Ontario International to Seattle-Tacoma International United States are by Hawaiian Airlines with around 24 flights a week. The earliest flight is available at 06:00 and the latest flights at 19:47 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
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:43
AirlineFlightNo
VolarisY42504
FrontierF93164
08:45
AirlineFlightNo
Japan AirlinesJL6389
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7465
WestJetWS7498
KLMKL6208
Delta ConnectionDL4031
19:47
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
Qatar AirwaysQR2180
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
Air Transport International8C6721
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:45
AirlineFlightNo
Japan AirlinesJL6389
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7465
KLMKL6208
Delta ConnectionDL4031
VIEW FLIGHTS
Wednesday
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:45
AirlineFlightNo
Japan AirlinesJL6389
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7465
KLMKL6208
Delta ConnectionDL4031
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:13
AirlineFlightNo
VolarisY42504
FrontierF93164
08:45
AirlineFlightNo
Japan AirlinesJL6389
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7465
WestJetWS7498
KLMKL6208
Delta ConnectionDL4031
19:40
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Friday
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:43
AirlineFlightNo
VolarisY42504
FrontierF93164
08:45
AirlineFlightNo
Japan AirlinesJL6389
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7498
WestJetWS8051
KLMKL6208
Delta ConnectionDL4031
19:40
AirlineFlightNo
Alaska AirlinesAS1087
Hawaiian AirlinesHA6287
VIEW FLIGHTS
Saturday
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
KLMKL6919
Delta ConnectionDL4042
Virgin AtlanticVS3853
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7498
WestJetWS8051
KLMKL6208
Delta ConnectionDL4031
VIEW FLIGHTS
Sunday
06:00
AirlineFlightNo
Korean AirKE3098
SASSK3875
WestJetWS8280
Alaska AirlinesAS1091
Hawaiian AirlinesHA6288
KLMKL6919
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:13
AirlineFlightNo
VolarisY42504
FrontierF93164
11:39
AirlineFlightNo
Alaska AirlinesAS1111
Hawaiian AirlinesHA6289
Qatar AirwaysQR2096
11:50
AirlineFlightNo
SASSK3675
KLMKL7595
Delta ConnectionDL4096
Virgin AtlanticVS4052
15:06
AirlineFlightNo
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
17:40
AirlineFlightNo
Korean AirKE3070
WestJetWS7498
KLMKL6208
Delta ConnectionDL4031
19:40
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 Seattle01,510 km (938 miles)2 Hours 35 Minutes
Las Vegas to Seattle01,395 km (867 miles)2 Hours 27 Minutes
Los Angeles to Seattle01,537 km (955 miles)2 Hours 37 Minutes
Palm Springs Municipal to Seattle01,590 km (988 miles)2 Hours 41 Minutes
San Diego to Seattle01,692 km (1,051 miles)2 Hours 48 Minutes
Santa Barbara Municipal to Seattle01,463 km (909 miles)2 Hours 32 Minutes
San Bernardino Norton Afb to Seattle01,544 km (960 miles)2 Hours 38 Minutes
Santa Ana John Wayne to Seattle01,576 km (979 miles)2 Hours 40 Minutes
Los Angeles Van Nuys to Seattle01,506 km (936 miles)2 Hours 35 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 £47.75 ($64 €54.69)
£47.75
$64 | €54.69
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 £96.25 ($129 €110.23)
£96.25
$129 | €110.23
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): Air Transport International, Alaska Airlines, Delta Connection, Frontier, Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, 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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