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

We've found the cheapest flights to Seattle

Returns from £65.79

One-way from £21.68

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
Delta Connection333333306:4017:49VIEW FLIGHTS
Hawaiian Airlines422332306:0019:33VIEW FLIGHTS
Alaska Airlines422332306:0019:33VIEW FLIGHTS
Virgin Atlantic222222206:4012:40VIEW FLIGHTS
Qatar Airways321221206:0019:33VIEW FLIGHTS
Korean Air111111106:4006:45VIEW FLIGHTS
KLM111111106:4006:45VIEW FLIGHTS
WestJet110111106:4006:45VIEW FLIGHTS
Japan Airlines111111006:0006:00VIEW FLIGHTS
Volaris100010114:3018:01VIEW FLIGHTS
Frontier100010114:3018:01VIEW FLIGHTS
Jet Linx Aviation000001106:0006:00VIEW FLIGHTS

The greatest amount of direct flights offered from Ontario International to Seattle-Tacoma International United States are by Delta Connection with around 21 flights a week. The earliest flight is available at 06:40 and the latest flights at 17:49 with the most popular flight number being DL4031, DL4042 and DL4096.

www.google.com/search?q=Delta Connection is available for information regarding booking flights etc with Delta Connection.

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 AirlinesAS607
Hawaiian AirlinesHA6361
Japan AirlinesJL6389
Qatar AirwaysQR2182
06:45
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
10:49
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
Qatar AirwaysQR2186
11:48
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
16:48
AirlineFlightNo
Alaska AirlinesAS665
Hawaiian AirlinesHA6372
17:49
AirlineFlightNo
Delta ConnectionDL4031
18:01
AirlineFlightNo
FrontierF92275
VolarisY42353
19:21
AirlineFlightNo
Alaska AirlinesAS594
Hawaiian AirlinesHA6358
Qatar AirwaysQR2181
VIEW FLIGHTS
Tuesday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Japan AirlinesJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
Qatar AirwaysQR2186
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
17:49
AirlineFlightNo
Delta ConnectionDL4031
VIEW FLIGHTS
Wednesday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Japan AirlinesJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
17:49
AirlineFlightNo
Delta ConnectionDL4031
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Japan AirlinesJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
17:49
AirlineFlightNo
Delta ConnectionDL4031
19:33
AirlineFlightNo
Alaska AirlinesAS594
Hawaiian AirlinesHA6358
Qatar AirwaysQR2094
VIEW FLIGHTS
Friday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Japan AirlinesJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
14:30
AirlineFlightNo
FrontierF92275
VolarisY42335
17:49
AirlineFlightNo
Delta ConnectionDL4031
19:33
AirlineFlightNo
Alaska AirlinesAS594
Hawaiian AirlinesHA6358
Qatar AirwaysQR2094
VIEW FLIGHTS
Saturday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Jet Linx AviationJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
08:57
AirlineFlightNo
Japan AirlinesJL6389
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
17:49
AirlineFlightNo
Delta ConnectionDL4031
VIEW FLIGHTS
Sunday
06:00
AirlineFlightNo
Alaska AirlinesAS607
Hawaiian AirlinesHA6361
Jet Linx AviationJL6389
Qatar AirwaysQR2182
06:40
AirlineFlightNo
Delta ConnectionDL4042
KLMKL5663
Korean AirKE3098
Virgin AtlanticVS3853
WestJetWS8280
12:13
AirlineFlightNo
Alaska AirlinesAS654
Hawaiian AirlinesHA6371
12:40
AirlineFlightNo
Delta ConnectionDL4096
Virgin AtlanticVS4052
14:30
AirlineFlightNo
FrontierF92275
VolarisY42335
17:49
AirlineFlightNo
Delta ConnectionDL4031
19:33
AirlineFlightNo
Alaska AirlinesAS594
Hawaiian AirlinesHA6358
Qatar AirwaysQR2094
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
Santa Ana John Wayne to Seattle01,576 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.

Don't forget to book your hire car!

Search for a cheap rental car at SEA

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 £21.68 ($29 €24.73)
£21.68
$29 | €24.73
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 £65.79 ($88 €75.04)
£65.79
$88 | €75.04
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Ontario ONT to Seattle SEA?
The cheapest return flight from Ontario ONT to Seattle SEA is £62.80 ($84 €71.63)
£62.80
$84 | €71.63
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, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, 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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