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

We've found the cheapest flights to Ontario

Returns from £65.21

One-way from £32.60

Airliners including Jet Linx Aviation, Volaris, Virgin Atlantic, SAS, Japan Airlines, Frontier, Korean Air, KLM, WestJet, Qatar Airways, Delta Connection, Alaska Airlines and Hawaiian Airlines all offer direct flights between Seattle-Tacoma International to Ontario International. The flight from Seattle-Tacoma International to Ontario International is approximately 1,540 Kilometers which is 957 Miles. You should expect a flight time of around 2 Hours 37 Minutes.

Depending on the day of the week and the time of day you book, flight prices can vary dramatically. To obtain the best prices for Ontario International flights than book well in advance. If it is possible, you should book your flights 2 or more months in advance as ticket prices will be substantially lower.

Below you will see all the airlines that fly from Seattle-Tacoma International (SEA) to Ontario International (ONT) and the number of flights they operate each day.

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 is the most popular airliners who operate this route. They have around 30 a week with times that vary between 00:13 and 21:30.

Would you like to book your flight? Bookings can be made direct with Hawaiian Airlines on their website hawaiianair.com.

The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:26
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
13:18
AirlineFlight  No
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:50
AirlineFlight  No
Jet Linx AviationJL6388
15:53
AirlineFlight  No
Alaska AirlinesAS1086
16:30
AirlineFlight  No
VolarisY42603
18:25
AirlineFlight  No
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlight  No
WestJetWS7842
VIEW FLIGHTS
Tuesday
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:26
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
13:18
AirlineFlight  No
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:10
AirlineFlight  No
VolarisY42603
FrontierF93163
15:50
AirlineFlight  No
Jet Linx AviationJL6388
15:53
AirlineFlight  No
Alaska AirlinesAS1086
18:25
AirlineFlight  No
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
WestJetWS7842
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
VIEW FLIGHTS
Wednesday
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:26
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
13:18
AirlineFlight  No
Alaska AirlinesAS1097
Hawaiian AirlinesHA6813
Japan AirlinesJL6388
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:50
AirlineFlight  No
Jet Linx AviationJL6388
15:53
AirlineFlight  No
Alaska AirlinesAS1086
16:30
AirlineFlight  No
VolarisY42603
18:25
AirlineFlight  No
Hawaiian AirlinesHA6668
Hawaiian AirlinesHA6812
Qatar AirwaysQR2950
Qatar AirwaysQR3308
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:15
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
21:27
AirlineFlight  No
Alaska AirlinesAS1436
Hawaiian AirlinesHA6335
Qatar AirwaysQR2975
22:46
AirlineFlight  No
WestJetWS7842
VIEW FLIGHTS
Thursday
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:27
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
12:00
AirlineFlight  No
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:25
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlight  No
VolarisY42603
18:04
AirlineFlight  No
Hawaiian AirlinesHA6668
Qatar AirwaysQR2950
19:55
AirlineFlight  No
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlight  No
Alaska AirlinesAS1040
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlight  No
Korean AirKE3106
WestJetWS7842
VIEW FLIGHTS
Friday
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:27
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
12:00
AirlineFlight  No
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:25
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlight  No
VolarisY42603
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlight  No
Alaska AirlinesAS1040
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
22:46
AirlineFlight  No
WestJetWS7572
WestJetWS7842
VIEW FLIGHTS
Saturday
00:13
AirlineFlight  No
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
07:30
AirlineFlight  No
Delta ConnectionDL3593
11:33
AirlineFlight  No
Delta ConnectionDL3589
12:00
AirlineFlight  No
Alaska AirlinesAS1118
Hawaiian AirlinesHA6813
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
Delta ConnectionDL4031
15:20
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
16:30
AirlineFlight  No
VolarisY42603
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlight  No
Alaska AirlinesAS1040
22:46
AirlineFlight  No
WestJetWS7572
VIEW FLIGHTS
Sunday
00:13
AirlineFlight  No
Hawaiian AirlinesHA6811
Qatar AirwaysQR4277
07:30
AirlineFlight  No
Delta ConnectionDL3593
08:27
AirlineFlight  No
Alaska AirlinesAS1254
11:05
AirlineFlight  No
Hawaiian AirlinesHA6814
11:33
AirlineFlight  No
Delta ConnectionDL3589
12:00
AirlineFlight  No
Alaska AirlinesAS1118
13:50
AirlineFlight  No
FrontierF93163
14:20
AirlineFlight  No
Delta ConnectionDL4031
14:46
AirlineFlight  No
Hawaiian AirlinesHA6813
15:25
AirlineFlight  No
Alaska AirlinesAS1086
16:30
AirlineFlight  No
VolarisY42603
17:10
AirlineFlight  No
Korean AirKE3070
WestJetWS8694
KLMKL6208
18:04
AirlineFlight  No
Hawaiian AirlinesHA6812
Japan AirlinesJL6388
Qatar AirwaysQR3308
19:55
AirlineFlight  No
Korean AirKE3106
SASSK3676
WestJetWS7572
KLMKL6206
Delta ConnectionDL4027
Virgin AtlanticVS5376
21:30
AirlineFlight  No
Alaska AirlinesAS1040
VIEW FLIGHTS

If you are planning to hire a car from Ontario International airport then don’t wait until you arrive. The prices are typically 20% to 30% higher and the availability of vehicles are much lower. You can check out the solutions we have for car hire on our car hire pages which can save you £££’s.

Looking for the best car hire deals?

Find cheap car rentals in Ontario

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 £32.60 ($44 €38.18)
£32.60
$44 | €38.18
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 £65.21 ($88 €76.36)
£65.21
$88 | €76.36
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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