Flights from Seattle Airport SEA to Ontario Airport ONT

We've found the cheapest flights to Ontario

Returns from £65.46

One-way from £32.73

A variety of 13 airline companies have direct flights to Ontario International to Seattle-Tacoma International, Jet Linx Aviation, Volaris, Virgin Atlantic, SAS, Japan Airlines, Frontier, Korean Air, KLM, WestJet, Qatar Airways, Delta Connection, Alaska Airlines and Hawaiian 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 Airlines446543400:1321:30VIEW FLIGHTS
Delta Connection444444407:3019:55VIEW FLIGHTS
Alaska Airlines445443408:2621:30VIEW FLIGHTS
Qatar Airways224322200:1321:30VIEW FLIGHTS
WestJet222232214:2022:46VIEW FLIGHTS
Korean Air222222214:2022:46VIEW FLIGHTS
KLM222222214:2019:55VIEW FLIGHTS
Volaris111111115:1016:30VIEW FLIGHTS
Virgin Atlantic111111119:5519:55VIEW FLIGHTS
SAS111111119:5519:55VIEW FLIGHTS
Japan Airlines111111113:1818:04VIEW FLIGHTS
Frontier111111113:5015:10VIEW FLIGHTS
Jet Linx Aviation111000015:5015:50VIEW FLIGHTS

Hawaiian Airlines offer the most direct flights from Seattle-Tacoma International to Ontario International with an average of 30 flights a week. The earliest flights are operated at 00:13 and the latest flights operated at 21:30 and the most common flight numbers are HA6335, HA6668, HA6811 and HA6812

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
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:26
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
13:18
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:50
AirlineFlightNo
Jet Linx AviationJL6388
15:53
AirlineFlightNo
Alaska AirlinesAS1086
16:30
AirlineFlightNo
VolarisY42603
18:25
AirlineFlightNo
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlightNo
WestJetWS7842
VIEW FLIGHTS
Tuesday
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:26
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
13:18
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:10
AirlineFlightNo
VolarisY42603
FrontierF93163
15:50
AirlineFlightNo
Jet Linx AviationJL6388
15:53
AirlineFlightNo
Alaska AirlinesAS1086
18:25
AirlineFlightNo
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
WestJetWS7842
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
VIEW FLIGHTS
Wednesday
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:26
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
13:18
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:50
AirlineFlightNo
Jet Linx AviationJL6388
15:53
AirlineFlightNo
Alaska AirlinesAS1086
16:30
AirlineFlightNo
VolarisY42603
18:25
AirlineFlightNo
Hawaiian AirlinesHA6668
Hawaiian AirlinesHA6812
Qatar AirwaysQR2950
Qatar AirwaysQR3308
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
21:27
AirlineFlightNo
Alaska AirlinesAS1436
Hawaiian AirlinesHA6335
Qatar AirwaysQR2975
22:46
AirlineFlightNo
WestJetWS7842
VIEW FLIGHTS
Thursday
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:27
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
12:00
AirlineFlightNo
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:25
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlightNo
VolarisY42603
18:04
AirlineFlightNo
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlightNo
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlightNo
Alaska AirlinesAS1040
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlightNo
Korean AirKE3106
WestJetWS7842
VIEW FLIGHTS
Friday
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:27
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
12:00
AirlineFlightNo
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:25
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlightNo
VolarisY42603
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlightNo
Alaska AirlinesAS1040
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlightNo
WestJetWS7572
WestJetWS7842
VIEW FLIGHTS
Saturday
00:13
AirlineFlightNo
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
07:30
AirlineFlightNo
Delta ConnectionDL3593
11:33
AirlineFlightNo
Delta ConnectionDL3589
12:00
AirlineFlightNo
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:20
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlightNo
VolarisY42603
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlightNo
Alaska AirlinesAS1040
22:46
AirlineFlightNo
WestJetWS7572
VIEW FLIGHTS
Sunday
00:13
AirlineFlightNo
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
07:30
AirlineFlightNo
Delta ConnectionDL3593
08:27
AirlineFlightNo
Alaska AirlinesAS1254
11:05
AirlineFlightNo
Hawaiian AirlinesHA6814
11:33
AirlineFlightNo
Delta ConnectionDL3589
12:00
AirlineFlightNo
Alaska AirlinesAS1118
13:50
AirlineFlightNo
FrontierF93163
14:20
AirlineFlightNo
Delta ConnectionDL4031
14:46
AirlineFlightNo
Hawaiian AirlinesHA6813
15:25
AirlineFlightNo
Alaska AirlinesAS1086
16:30
AirlineFlightNo
VolarisY42603
17:10
AirlineFlightNo
Korean AirKE3070
WestJetWS8694
KLMKL6208
18:04
AirlineFlightNo
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
19:55
AirlineFlightNo
Korean AirKE3106
SASSK3676
WestJetWS7572
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlightNo
Alaska AirlinesAS1040
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 Frontier 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 £32.73 ($44 €38.28)
£32.73
$44 | €38.28
Check Latest Price
DIRECT Frontier 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 £65.46 ($88 €76.56)
£65.46
$88 | €76.56
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 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 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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