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

We've found the cheapest flights to Ontario

Returns from £58.15

One-way from £19.66

Airliners including Solairus Aviation, Frontier, Japan Airlines, Virgin Atlantic, KLM, Jet Linx Aviation, Qatar Airways, Korean Air, Delta Connection, Alaska Airlines and Hawaiian Airlines all offer direct flights between Seattle-Tacoma International to Ontario International. When travelling from Seattle-Tacoma International you will cover about 957 miles before you reach Ontario International. This journey will take 2 Hours 37 Minutes.

The exact cost of the flight we vary quite significantly base on the dates you travel, the time of day you will depart and how long in advance you pre book the flights. If you are on a tight budget then you should avoid flying at peak hours as the prices are more expensive. The cheapest flights are in the evenings and in mid week. Flight to Ontario International will get more expensive the nearer you get the departure date, so it’s advisable to book in advance if it is possible.

To see all airliners that offer flights between Seattle-Tacoma International and Ontario International please see the table below.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Hawaiian Airlines622442400:0123:12VIEW FLIGHTS
Alaska Airlines522442400:0120:38VIEW FLIGHTS
Korean Air222222212:4022:32VIEW FLIGHTS
Delta Connection222222212:4019:45VIEW FLIGHTS
Qatar Airways311221215:4023:12VIEW FLIGHTS
Virgin Atlantic111111119:4522:32VIEW FLIGHTS
KLM111111119:4522:32VIEW FLIGHTS
Jet Linx Aviation111111115:1117:40VIEW FLIGHTS
Japan Airlines100110012:4012:40VIEW FLIGHTS
Frontier000100116:3516:35VIEW FLIGHTS
Solairus Aviation000100017:0017:00VIEW FLIGHTS

Hawaiian Airlines is the most popular airliners who operate this route. They have around 24 a week with times that vary between 00:01 and 23:12.

To book your flight you can visit Hawaiian Airlines on their website hawaiianair.com. You will find up to date information on availability and the latest discounts.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
00:01
AirlineFlight  No
Alaska AirlinesAS1064
Hawaiian AirlinesHA6666
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
Japan AirlinesJL6388
Delta ConnectionDL4031
15:11
AirlineFlight  No
Jet Linx AviationJL6388
15:40
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Qatar AirwaysQR2105
19:45
AirlineFlight  No
Korean AirKE3106
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:05
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Qatar AirwaysQR4277
22:32
AirlineFlight  No
KLMKL6282
22:39
AirlineFlight  No
Hawaiian AirlinesHA4901
Qatar AirwaysQR2033
VIEW FLIGHTS
Tuesday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
17:40
AirlineFlight  No
Alaska AirlinesAS1088
Hawaiian AirlinesHA4889
Qatar AirwaysQR2105
Jet Linx AviationJL6388
19:45
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
VIEW FLIGHTS
Wednesday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
17:40
AirlineFlight  No
Alaska AirlinesAS1088
Hawaiian AirlinesHA4889
Qatar AirwaysQR2105
Jet Linx AviationJL6388
19:45
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
VIEW FLIGHTS
Thursday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
Japan AirlinesJL6388
Delta ConnectionDL4031
15:11
AirlineFlight  No
Jet Linx AviationJL6388
15:40
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Qatar AirwaysQR2105
16:35
AirlineFlight  No
FrontierF93163
17:00
AirlineFlight  No
Solairus AviationTWY201
19:45
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:05
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Qatar AirwaysQR4277
VIEW FLIGHTS
Friday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Alaska AirlinesAS1097
Hawaiian AirlinesHA6667
Japan AirlinesJL6388
Delta ConnectionDL4031
15:11
AirlineFlight  No
Jet Linx AviationJL6388
15:40
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Qatar AirwaysQR2105
19:45
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
20:05
AirlineFlight  No
Alaska AirlinesAS1003
Hawaiian AirlinesHA6606
Qatar AirwaysQR4277
VIEW FLIGHTS
Saturday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
15:40
AirlineFlight  No
Alaska AirlinesAS1086
Hawaiian AirlinesHA6607
Qatar AirwaysQR2105
Jet Linx AviationJL6388
19:45
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Delta ConnectionDL4027
Virgin AtlanticVS5376
VIEW FLIGHTS
Sunday
08:00
AirlineFlight  No
Alaska AirlinesAS1254
10:38
AirlineFlight  No
Hawaiian AirlinesHA6814
12:40
AirlineFlight  No
Delta ConnectionDL4031
12:45
AirlineFlight  No
Alaska AirlinesAS1097
15:16
AirlineFlight  No
Hawaiian AirlinesHA6667
Jet Linx AviationJL6388
15:25
AirlineFlight  No
Korean AirKE3070
15:40
AirlineFlight  No
Alaska AirlinesAS1086
16:35
AirlineFlight  No
FrontierF93163
18:13
AirlineFlight  No
Hawaiian AirlinesHA6607
Qatar AirwaysQR2105
19:45
AirlineFlight  No
Delta ConnectionDL4027
20:38
AirlineFlight  No
Alaska AirlinesAS1003
22:32
AirlineFlight  No
Korean AirKE3106
KLMKL6282
Virgin AtlanticVS5376
23:12
AirlineFlight  No
Hawaiian AirlinesHA6606
Qatar AirwaysQR4277
VIEW FLIGHTS

Please remember to leave plenty of time to get though customers when you are departing form the airports. Flights regulations are getting very strict these days so getting through customs can take in excess of 1 hour in some cases.

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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 £19.66 ($24 €23.32)
£19.66
$24 | €23.32
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 £58.15 ($71 €68)
£58.15
$71 | €68
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, Solairus Aviation, 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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Useful Information about Ontario Airport

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