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

We've found the cheapest flights to Ontario

Returns from £56.47

One-way from £24.52

Airliners including SkyWest Airlines, Delta Air Lines, Volaris, Frontier, Japan Airlines, Virgin Atlantic, KLM, Jet Linx Aviation, Qatar Airways, Delta Connection, Korean Air, Hawaiian Airlines and Alaska 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 Airlines443332300:1423:56VIEW FLIGHTS
Alaska Airlines443332300:1421:35VIEW FLIGHTS
Korean Air222222211:1522:51VIEW FLIGHTS
Delta Connection222222111:1520:07VIEW FLIGHTS
Qatar Airways222111100:1423:56VIEW FLIGHTS
Virgin Atlantic111111120:0722:51VIEW FLIGHTS
KLM111111120:0722:51VIEW FLIGHTS
Jet Linx Aviation111111113:0215:08VIEW FLIGHTS
Japan Airlines001111012:3112:31VIEW FLIGHTS
Volaris100100111:0621:23VIEW FLIGHTS
Frontier100100111:0618:48VIEW FLIGHTS
SkyWest Airlines100000008:1508:15VIEW FLIGHTS
Delta Air Lines000000120:0720:07VIEW FLIGHTS

Hawaiian Airlines is the most popular airliners who operate this route. They have around 22 a week with times that vary between 00:14 and 23:56.

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
07:10
AirlineFlight  No
Alaska AirlinesAS1364
Hawaiian AirlinesHA6836
08:15
AirlineFlight  No
SkyWest AirlinesOO4070
11:06
AirlineFlight  No
VolarisY42574
FrontierF93163
11:15
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
13:02
AirlineFlight  No
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
15:50
AirlineFlight  No
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
21:35
AirlineFlight  No
Alaska AirlinesAS489
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
VIEW FLIGHTS
Tuesday
07:10
AirlineFlight  No
Alaska AirlinesAS1364
Hawaiian AirlinesHA6836
11:15
AirlineFlight  No
Korean AirKE3070
Delta ConnectionDL4031
13:02
AirlineFlight  No
Alaska AirlinesAS664
Hawaiian AirlinesHA6834
Jet Linx AviationJL6388
15:50
AirlineFlight  No
Alaska AirlinesAS592
Hawaiian AirlinesHA6829
Qatar AirwaysQR3336
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
21:35
AirlineFlight  No
Alaska AirlinesAS489
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
VIEW FLIGHTS
Wednesday
00:14
AirlineFlight  No
Alaska AirlinesAS489
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
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
Hawaiian AirlinesHA6836
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
18:48
AirlineFlight  No
VolarisY42574
FrontierF93163
20:07
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Delta ConnectionDL4027
Virgin AtlanticVS5470
21:20
AirlineFlight  No
Alaska AirlinesAS489
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
VIEW FLIGHTS
Friday
08:15
AirlineFlight  No
Alaska AirlinesAS1364
Hawaiian AirlinesHA6836
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
Saturday
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
Sunday
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
Jet Linx AviationJL6388
18:48
AirlineFlight  No
FrontierF93163
20:07
AirlineFlight  No
Delta Air LinesDL4027
21:20
AirlineFlight  No
Alaska AirlinesAS489
21:23
AirlineFlight  No
VolarisY42574
22:51
AirlineFlight  No
Korean AirKE3106
KLMKL6435
Virgin AtlanticVS5470
23:56
AirlineFlight  No
Hawaiian AirlinesHA6828
Qatar AirwaysQR3331
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 £24.52 ($33 €28.26)
£24.52
$33 | €28.26
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 £56.47 ($76 €65.08)
£56.47
$76 | €65.08
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, Frontier, Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, SkyWest Airlines, Virgin Atlantic, Volaris.
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 International Airport in united states

Don't forget to book a rental car!

Find cheap car rentals in Ontario, United States

Useful Information about Ontario International Airport

Ontario International Airport Lounges

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

View...
Dining and Bars at Ontario International Airport

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

View...
Shops and Duty Free at Ontario International Airport

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

View...
Los Angeles Tourist Attractions

Things too see and do in and around Los Angeles City, California in the United States of America.

View...