Flights from Seattle Airport SEA to Ontario Airport ONT

We've found the cheapest flights to Ontario

Returns from £45.91

One-way from £22.95

A variety of 9 airline companies have direct flights to Ontario International to Seattle-Tacoma International, Frontier, Japan Airlines, Virgin Atlantic, Korean Air, KLM, 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 Airlines755765706:3123:59VIEW FLIGHTS
Alaska Airlines533543506:3121:26VIEW FLIGHTS
Delta Connection333332307:4519:55VIEW FLIGHTS
Qatar Airways322322315:0223:59VIEW FLIGHTS
Korean Air222222214:0022:45VIEW FLIGHTS
KLM222222214:0022:45VIEW FLIGHTS
Virgin Atlantic111112119:5522:45VIEW FLIGHTS
Japan Airlines111111112:4718:32VIEW FLIGHTS
Frontier100111119:1919:28VIEW FLIGHTS

Hawaiian Airlines offer the most direct flights from Seattle-Tacoma International to Ontario International with an average of 42 flights a week. The earliest flights are operated at 06:31 and the latest flights operated at 23:59 and the most common flight numbers are HA4950, HA6493, HA6602 and HA6606

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
06:31
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6608
07:45
AirlineFlightNo
Delta ConnectionDL4070
09:04
AirlineFlightNo
Hawaiian AirlinesHA6814
10:51
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
14:00
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
15:02
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Japan AirlinesJL6388
Qatar AirwaysQR2105
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Qatar AirwaysQR3355
19:28
AirlineFlightNo
FrontierF93163
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:03
AirlineFlightNo
Hawaiian AirlinesHA6493
21:26
AirlineFlightNo
Alaska AirlinesAS423
Hawaiian AirlinesHA6602
Qatar AirwaysQR4277
VIEW FLIGHTS
Tuesday
07:45
AirlineFlightNo
Delta ConnectionDL4070
08:00
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
10:33
AirlineFlightNo
Hawaiian AirlinesHA6608
12:47
AirlineFlightNo
Alaska AirlinesAS1064
Hawaiian AirlinesHA4950
Japan AirlinesJL6388
14:00
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6493
Hawaiian AirlinesHA6606
Qatar AirwaysQR2105
Qatar AirwaysQR3355
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
VIEW FLIGHTS
Wednesday
07:45
AirlineFlightNo
Delta ConnectionDL4070
08:00
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
10:33
AirlineFlightNo
Hawaiian AirlinesHA6608
12:47
AirlineFlightNo
Alaska AirlinesAS1064
Hawaiian AirlinesHA4950
Japan AirlinesJL6388
14:00
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6493
Qatar AirwaysQR2105
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:03
AirlineFlightNo
Hawaiian AirlinesHA6606
Qatar AirwaysQR3355
VIEW FLIGHTS
Thursday
06:31
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6608
07:45
AirlineFlightNo
Delta ConnectionDL4070
09:04
AirlineFlightNo
Hawaiian AirlinesHA6814
10:51
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
14:00
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
15:02
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Japan AirlinesJL6388
Qatar AirwaysQR2105
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Qatar AirwaysQR3355
19:20
AirlineFlightNo
FrontierF93163
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:03
AirlineFlightNo
Hawaiian AirlinesHA6493
21:26
AirlineFlightNo
Alaska AirlinesAS423
Hawaiian AirlinesHA6602
Qatar AirwaysQR4277
VIEW FLIGHTS
Friday
06:31
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6608
07:45
AirlineFlightNo
Delta ConnectionDL4070
09:04
AirlineFlightNo
Hawaiian AirlinesHA6814
10:51
AirlineFlightNo
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
14:00
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Japan AirlinesJL6388
Qatar AirwaysQR3355
19:28
AirlineFlightNo
FrontierF93163
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:03
AirlineFlightNo
Hawaiian AirlinesHA6493
21:26
AirlineFlightNo
Alaska AirlinesAS423
Hawaiian AirlinesHA6602
Qatar AirwaysQR4277
VIEW FLIGHTS
Saturday
08:00
AirlineFlightNo
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
10:20
AirlineFlightNo
Delta ConnectionDL4031
10:33
AirlineFlightNo
Hawaiian AirlinesHA6608
13:14
AirlineFlightNo
Korean AirKE3070
KLMKL6284
Virgin AtlanticVS5470
15:02
AirlineFlightNo
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Japan AirlinesJL6388
Qatar AirwaysQR2105
16:24
AirlineFlightNo
FrontierF93163
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6493
Hawaiian AirlinesHA6606
Qatar AirwaysQR3355
19:55
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
VIEW FLIGHTS
Sunday
06:31
AirlineFlightNo
Alaska AirlinesAS1254
07:45
AirlineFlightNo
Delta ConnectionDL4070
09:04
AirlineFlightNo
Hawaiian AirlinesHA6608
Hawaiian AirlinesHA6814
10:51
AirlineFlightNo
Alaska AirlinesAS1097
13:24
AirlineFlightNo
Hawaiian AirlinesHA6667
14:00
AirlineFlightNo
Delta ConnectionDL4031
15:59
AirlineFlightNo
Alaska AirlinesAS1086
16:45
AirlineFlightNo
Korean AirKE3070
KLMKL6284
17:30
AirlineFlightNo
Alaska AirlinesAS1003
Hawaiian AirlinesHA6493
Qatar AirwaysQR3355
18:32
AirlineFlightNo
Hawaiian AirlinesHA6607
Japan AirlinesJL6388
Qatar AirwaysQR2105
19:19
AirlineFlightNo
FrontierF93163
19:55
AirlineFlightNo
Delta ConnectionDL4027
20:03
AirlineFlightNo
Hawaiian AirlinesHA6606
21:26
AirlineFlightNo
Alaska AirlinesAS423
22:45
AirlineFlightNo
Korean AirKE3106
KLMKL6282
Virgin AtlanticVS5376
23:59
AirlineFlightNo
Hawaiian AirlinesHA6602
Qatar AirwaysQR4277
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 £22.95 ($29 €27.46)
£22.95
$29 | €27.46
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 £45.91 ($58 €54.91)
£45.91
$58 | €54.91
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, 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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