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

We've found the cheapest flights to Ontario

Returns from £56.79

One-way from £24.66

Airliners including Solairus Aviation, Delta Air Lines, Jet Linx Aviation, Virgin Atlantic, Qatar Airways, KLM, Japan Airlines, Delta Connection, Korean Air, Hawaiian Airlines and Alaska 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 Airlines322300008:1523:56VIEW FLIGHTS
Alaska Airlines322300008:1521:20VIEW FLIGHTS
Korean Air222200011:1522:51VIEW FLIGHTS
Delta Connection222100011:1520:07VIEW FLIGHTS
Virgin Atlantic111100020:0722:51VIEW FLIGHTS
Qatar Airways111100018:0023:56VIEW FLIGHTS
KLM111100020:0722:51VIEW FLIGHTS
Japan Airlines111100012:3115:08VIEW FLIGHTS
Jet Linx Aviation111000015:0815:08VIEW FLIGHTS
Solairus Aviation100000009:0009:00VIEW FLIGHTS
Delta Air Lines000100020:0720:07VIEW FLIGHTS

Flights from Seattle-Tacoma International to Ontario International are very limited. Only Hawaiian Airlines operate flights, of which there is only 1 per week. The time of the departure for this flight is 08:15

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
08:15
AirlineFlight  No
Alaska AirlinesAS1364
Hawaiian AirlinesHA6836
09:00
AirlineFlight  No
Solairus AviationTWY201
11:15
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
12:31
AirlineFlight  No
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Japan AirlinesJL6388
15:08
AirlineFlight  No
Jet Linx AviationJL6388
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
21:20
AirlineFlight  No
Alaska AirlinesAS489
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
VIEW FLIGHTS
Tuesday
11:15
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
12:31
AirlineFlight  No
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Japan AirlinesJL6388
15:08
AirlineFlight  No
Jet Linx AviationJL6388
18:00
AirlineFlight  No
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
VIEW FLIGHTS
Wednesday
11:15
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
12:31
AirlineFlight  No
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Japan AirlinesJL6388
15:08
AirlineFlight  No
Jet Linx AviationJL6388
18:00
AirlineFlight  No
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
VIEW FLIGHTS
Thursday
08:15
AirlineFlight  No
Alaska AirlinesAS1364
10:59
AirlineFlight  No
Hawaiian AirlinesHA6836
11:15
AirlineFlight  No
Delta ConnectionDL4031
12:31
AirlineFlight  No
Alaska AirlinesAS664
13:56
AirlineFlight  No
Korean AirKE3070
15:08
AirlineFlight  No
Hawaiian AirlinesHA6834
Japan AirlinesJL6388
20:07
AirlineFlight  No
Delta Air LinesDL4027
21:20
AirlineFlight  No
Alaska AirlinesAS489
22:51
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Virgin AtlanticVS5470
23:56
AirlineFlight  No
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
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.

Don't forget to book your car rental!

Find the cheapest car rentals in Ontario California

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 £24.66 ($33 €28.43)
£24.66
$33 | €28.43
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 £56.79 ($76 €65.48)
£56.79
$76 | €65.48
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

Was your flight delayed or cancelled?

Was your flight delayed or cancelled?

You may be eligible to receive up to 600 EUR compensation per person in your party.

Claim Now!

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 Air Lines, Delta Connection, 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.

Other Airports Connecting To Ontario Airport in united states

Don't forget to book your hire car!

Find the cheapest car rentals in Ontario California, United States

Useful Information about Ontario Airport

Lounges at Ontario Airport

See all the airport lounges, locations and opening times available at Ontario Airport

View...
Eating and Drinking at Ontario Airport

See all bars and restaurants at Ontario Airport, including locations and if they are before or after check-in

View...
Duty Free Shopping at Ontario Airport

See all shops available at Ontario Airport - plan your duty free shopping in advance

View...
Ontario Tourist Attractions

Things to see and do in and around Ontario in Canada

View...