Flights from Seattle Airport SEA to Ontario Airport ONT

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A variety of 11 airline companies have direct flights to Ontario International to Seattle-Tacoma International, Virgin Atlantic, SAS, Volaris, Jet Linx Aviation, Frontier, Qatar Airways, Korean Air, KLM, WestJet, Delta Connection 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.

If you are planning a trip to Ontario International Airport (ONT) from Seattle-Tacoma International Airport you can pre-arrange short or long term parking at Seattle-Tacoma International Airport (SEA).

If you chose to rent a car at Ontario International Airport (ONT) and need to return it, find the nearest fuel station along your route to Ontario International Airport (ONT) in order to avoid incurring additional cost when you return your vehicle.

We suggest pre-booking your transport to Seattle-Tacoma International Airport (SEA). The following options are available:

Ensure your arrival at Ontario International Airport (ONT) is as smooth as possible by pre-booking your transport - which in many cases will also save you money:

Find hotels close to Ontario International Airport (ONT) many hotels offer airport transfers directly from the airport to your hotel.

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
Alaska Airlines000004411:1120:32VIEW FLIGHTS
WestJet000003117:2117:21VIEW FLIGHTS
Delta Connection000002211:1717:21VIEW FLIGHTS
Qatar Airways000002120:3220:32VIEW FLIGHTS
Korean Air000002117:2117:21VIEW FLIGHTS
KLM000002117:2117:21VIEW FLIGHTS
Volaris000001114:4514:45VIEW FLIGHTS
Jet Linx Aviation000001116:3016:30VIEW FLIGHTS
Frontier000001114:4514:45VIEW FLIGHTS
Virgin Atlantic0000010VIEW FLIGHTS
SAS0000010VIEW FLIGHTS

Alaska Airlines offer the most direct flights from Seattle-Tacoma International to Ontario International with 1 flight a week. This flight departs 11:11 and the flight number is normally AS1364, AS565, AS571 and AS592

For more details regarding Alaska Airlines flight information and bookings you can visit them at alaskaair.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
Saturday
08:33
AirlineFlightNo
Alaska AirlinesAS1364
10:25
AirlineFlightNo
Alaska AirlinesAS565
11:54
AirlineFlightNo
VolarisY42359
FrontierF92276
14:30
AirlineFlightNo
Delta ConnectionDL4031
17:21
AirlineFlightNo
Korean AirKE3070
WestJetWS8373
KLMKL6270
17:51
AirlineFlightNo
Alaska AirlinesAS592
19:59
AirlineFlightNo
Korean AirKE3106
SASSK3259
WestJetWS7896
KLMKL6269
Delta ConnectionDL3884
Virgin AtlanticVS5470
20:32
AirlineFlightNo
Qatar AirwaysQR3355
Jet Linx AviationJL6388
20:33
AirlineFlightNo
Alaska AirlinesAS489
22:52
AirlineFlightNo
WestJetWS7933
23:11
AirlineFlightNo
Qatar AirwaysQR3354
VIEW FLIGHTS
Sunday
11:11
AirlineFlightNo
Alaska AirlinesAS1364
11:17
AirlineFlightNo
Delta ConnectionDL4070
13:09
AirlineFlightNo
Alaska AirlinesAS565
14:45
AirlineFlightNo
VolarisY42359
FrontierF92276
16:30
AirlineFlightNo
Alaska AirlinesAS571
Jet Linx AviationJL6388
17:21
AirlineFlightNo
Korean AirKE3070
WestJetWS8373
KLMKL6270
Delta ConnectionDL4031
20:32
AirlineFlightNo
Alaska AirlinesAS592
Qatar AirwaysQR3355
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 £91.06 ($122 €106.85)
£91.06
$122 | €106.85
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 £165.70 ($222 €194.44)
£165.70
$222 | €194.44
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 £73.89 ($99 €86.71)
£73.89
$99 | €86.71
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 £161.22 ($216 €189.18)
£161.22
$216 | €189.18
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, 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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