Flights from Seattle Airport SEA to Ontario Airport ONT

We've found the cheapest flights to Ontario

Returns from £97.10

One-way from £69.68

A variety of 9 airline companies have direct flights to Ontario International to Seattle-Tacoma International, Delta Air Lines, Virgin Atlantic, Qatar Airways, KLM, Jet Linx Aviation, Delta Connection, Korean Air, Hawaiian Airlines and Alaska Airlines. The distance covered when flying from Seattle-Tacoma International to Ontario International United States is 1,540 Km (957 Miles) with the travel time being around 2 Hours 37 Minutes. SEA is the Airport code for Seattle-Tacoma International and ONT is for Ontario International United States.

The cost of ticket prices to Ontario International United States can vary quite considerably if you travel at certain times of the week especially at weekends. It is normally worth booking flights well in advance if possible to get the best deal to Ontario International United States perhaps midweek or late evening. Please book in advance if you want to take advantage of the best prices airlines have to offer as prices normally increase as time goes on.

Below you can see a table that shows the airlines that fly from Seattle-Tacoma International (SEA) to Ontario International (ONT) and frequency of flights daily.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Hawaiian Airlines333333311:0823:32VIEW FLIGHTS
Alaska Airlines333333308:3023:32VIEW FLIGHTS
Korean Air222222211:1522:37VIEW FLIGHTS
Delta Connection222222111:1519:55VIEW FLIGHTS
Virgin Atlantic111111119:5522:37VIEW FLIGHTS
Qatar Airways111111120:0523:32VIEW FLIGHTS
KLM111111119:5522:37VIEW FLIGHTS
Jet Linx Aviation111111115:0815:08VIEW FLIGHTS
Delta Air Lines000000122:3722:37VIEW FLIGHTS

Hawaiian Airlines offer the most direct flights from Seattle-Tacoma International to Ontario International with an average of 21 flights a week. The earliest flights are operated at 11:08 and the latest flights operated at 23:32 and the most common flight numbers are HA6829, HA6834 and HA6836

For more details regarding Hawaiian Airlines flight information and bookings you can visit them at hawaiianair.com

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
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:56
AirlineFlightNo
Alaska AirlinesAS592
23:32
AirlineFlightNo
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Tuesday
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:05
AirlineFlightNo
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Wednesday
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:05
AirlineFlightNo
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Thursday
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:56
AirlineFlightNo
Alaska AirlinesAS592
23:32
AirlineFlightNo
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Friday
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:56
AirlineFlightNo
Alaska AirlinesAS592
23:32
AirlineFlightNo
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Saturday
08:30
AirlineFlightNo
Alaska AirlinesAS1364
11:08
AirlineFlightNo
Hawaiian AirlinesHA6836
11:15
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
12:30
AirlineFlightNo
Alaska AirlinesAS664
15:08
AirlineFlightNo
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
20:56
AirlineFlightNo
Alaska AirlinesAS592
23:32
AirlineFlightNo
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS
Sunday
11:08
AirlineFlightNo
Alaska AirlinesAS1364
Hawaiian AirlinesHA6836
13:54
AirlineFlightNo
Korean AirKE3070
Delta ConnectionDL4031
15:08
AirlineFlightNo
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
22:37
AirlineFlightNo
Korean AirKE3106
KLMKL6435
Delta Air LinesDL4027
Virgin AtlanticVS5470
23:32
AirlineFlightNo
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
VIEW FLIGHTS

Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Seattle-Tacoma International.

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

DIRECT Hawaiian Airlines
What is the cheapest direct flight one way from Seattle SEA to Ontario ONT?
The cheapest direct flight one way from Seattle SEA to Ontario ONT is £69.68 ($94 €79.76)
£69.68
$94 | €79.76
Check Latest Price
DIRECT Alaska Airlines
What is the cheapest direct return flight from Seattle SEA to Ontario ONT?
The cheapest direct return flight from Seattle SEA to Ontario ONT is £97.10 ($131 €111.15)
£97.10
$131 | €111.15
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Seattle SEA to Ontario ONT?
The cheapest flight one way from Seattle SEA to Ontario ONT is £44.48 ($60 €50.91)
£44.48
$60 | €50.91
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Seattle SEA to Ontario ONT?
The cheapest return flight from Seattle SEA to Ontario ONT is £94.14 ($127 €107.75)
£94.14
$127 | €107.75
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 SEA to ONT

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

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

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