Flights from Ontario Airport ONT to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £29.48

One-way from £44.22

If it is your first time travelling to Seattle-Tacoma International then check out the airliners Solairus Aviation, NetJets, Delta Air Lines, WestJet, Volaris, LATAM Airlines, ITA Airways, Frontier, Air France, Japan Airlines, Jet Linx Aviation, Qatar Airways, Delta Connection, Korean Air, KLM, Virgin Atlantic, Alaska Airlines and Hawaiian Airlines. These airliners all offer direct flights that depart from Ontario International, so you will find flying to Seattle-Tacoma International is quite easy. When travelling from Ontario International you will cover about 957 miles before you reach Seattle-Tacoma International. This journey will take 2 Hours 37 Minutes.

The price of the flight is dependent on the time of the day you fly and the day of the week with weekends being normally a higher price. 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. We advise all our viewers to book well in advance. This way you will get the low priced tickets available.

The table below displays the numbers of daily flights from Ontario International (ONT) to Seattle-Tacoma International (SEA) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Hawaiian Airlines622442406:0019:01VIEW FLIGHTS
Alaska Airlines422442406:0019:01VIEW FLIGHTS
Virgin Atlantic232333206:0016:05VIEW FLIGHTS
Korean Air232222206:0016:05VIEW FLIGHTS
KLM232222206:0016:05VIEW FLIGHTS
Delta Connection222212206:0016:05VIEW FLIGHTS
Qatar Airways212221206:0011:33VIEW FLIGHTS
Jet Linx Aviation111111106:0006:00VIEW FLIGHTS
Japan Airlines111111008:5408:54VIEW FLIGHTS
Air France012000016:0516:05VIEW FLIGHTS
WestJet110000016:0516:05VIEW FLIGHTS
Volaris000100111:1811:26VIEW FLIGHTS
LATAM Airlines011000016:0516:05VIEW FLIGHTS
ITA Airways011000016:0516:05VIEW FLIGHTS
Frontier000100111:1811:26VIEW FLIGHTS
Solairus Aviation000100014:3014:30VIEW FLIGHTS
NetJets100000014:0014:00VIEW FLIGHTS
Delta Air Lines000010006:0006:00VIEW FLIGHTS

Hawaiian Airlines offer the highest number of flights for this route with departures times between 06:00 and 19:01.

You can find the latest flight availability and prices from Hawaiian Airlines at hawaiianair.com. You can also book direct and get their 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
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
Hawaiian AirlinesHA6211
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
11:33
AirlineFlight  No
Alaska AirlinesAS1255
Hawaiian AirlinesHA6206
Qatar AirwaysQR2048
14:00
AirlineFlight  No
NetJetsEJA761
16:05
AirlineFlight  No
Korean AirKE3070
WestJetWS7708
KLMKL6284
Delta ConnectionDL4031
Virgin AtlanticVS5470
16:06
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6212
Hawaiian AirlinesHA6290
19:01
AirlineFlight  No
Alaska AirlinesAS1399
Hawaiian AirlinesHA6184
VIEW FLIGHTS
Tuesday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
16:05
AirlineFlight  No
Korean AirKE3070
Korean AirKE7360
WestJetWS7708
Air FranceAF2133
KLMKL5455
KLMKL6284
ITA AirwaysAZ3408
LATAM AirlinesLA6297
Delta ConnectionDL4031
Virgin AtlanticVS4636
Virgin AtlanticVS5470
16:06
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
VIEW FLIGHTS
Wednesday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
11:33
AirlineFlight  No
Alaska AirlinesAS1255
Hawaiian AirlinesHA6206
Qatar AirwaysQR2048
16:05
AirlineFlight  No
Korean AirKE7360
Air FranceAF2133
Air FranceAF8521
KLMKL5455
ITA AirwaysAZ3408
LATAM AirlinesLA6297
Delta ConnectionDL4031
Virgin AtlanticVS4636
VIEW FLIGHTS
Thursday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
11:26
AirlineFlight  No
VolarisY42413
FrontierF93164
11:33
AirlineFlight  No
Alaska AirlinesAS1255
Hawaiian AirlinesHA6206
Qatar AirwaysQR2048
14:30
AirlineFlight  No
Solairus AviationTWY201
16:05
AirlineFlight  No
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
Virgin AtlanticVS4052
Virgin AtlanticVS5470
16:06
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
19:01
AirlineFlight  No
Alaska AirlinesAS1399
Hawaiian AirlinesHA6184
VIEW FLIGHTS
Friday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Delta Air LinesDL4042
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
11:33
AirlineFlight  No
Alaska AirlinesAS1255
Hawaiian AirlinesHA6206
Qatar AirwaysQR2048
16:05
AirlineFlight  No
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
Virgin AtlanticVS4052
Virgin AtlanticVS5470
16:06
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
19:01
AirlineFlight  No
Alaska AirlinesAS1399
Hawaiian AirlinesHA6184
VIEW FLIGHTS
Saturday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
08:54
AirlineFlight  No
Japan AirlinesJL6389
16:05
AirlineFlight  No
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
Virgin AtlanticVS4052
Virgin AtlanticVS5470
16:06
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
VIEW FLIGHTS
Sunday
06:00
AirlineFlight  No
Korean AirKE3098
Alaska AirlinesAS1091
Hawaiian AirlinesHA6185
KLMKL6979
Qatar AirwaysQR2987
Jet Linx AviationJL6389
Delta ConnectionDL4042
Virgin AtlanticVS3853
11:18
AirlineFlight  No
VolarisY42413
FrontierF93164
11:33
AirlineFlight  No
Alaska AirlinesAS1255
Hawaiian AirlinesHA6206
Qatar AirwaysQR2048
16:05
AirlineFlight  No
Korean AirKE3070
KLMKL6284
Delta ConnectionDL4031
Virgin AtlanticVS5470
16:11
AirlineFlight  No
Alaska AirlinesAS1119
Hawaiian AirlinesHA6290
19:01
AirlineFlight  No
Alaska AirlinesAS1399
Hawaiian AirlinesHA6184
VIEW FLIGHTS

Instead of flying from Ontario International you could consider a few airports that are close by. Please see that table below of alternative routes.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Burbank to Seattle02 Hours 35 Minutes
Las Vegas to Seattle02 Hours 27 Minutes
Los Angeles to Seattle02 Hours 37 Minutes
Palm Springs Municipal to Seattle02 Hours 41 Minutes
San Diego to Seattle02 Hours 48 Minutes
Santa Barbara Municipal to Seattle02 Hours 32 Minutes
San Bernardino Norton Afb to Seattle02 Hours 38 Minutes
Santa Ana John Wayne to Seattle02 Hours 40 Minutes

Whilst you will find a bureau de change at Seattle-Tacoma International, we recommend you change some money before you depart if you don’t have the local currency. The exchange rates within any airport are not very favorable, so exchanging money before hand is a good idea.

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Flight Price FAQ - Ontario (ONT) to Seattle (SEA)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Ontario ONT to Seattle SEA?
The cheapest direct flight one way from Ontario ONT to Seattle SEA is £44.22 ($54 €52.48)
£44.22
$54 | €52.48
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Ontario ONT to Seattle SEA?
The cheapest direct return flight from Ontario ONT to Seattle SEA is £29.48 ($36 €34.98)
£29.48
$36 | €34.98
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 ONT to SEA

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Flight Info FAQ - Ontario (ONT) to Seattle (SEA)

Who flies from Ontario to Seattle?
The following airlines fly from Ontario (ONT) to Seattle (SEA): Air France, Alaska Airlines, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, ITA Airways, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, LATAM Airlines, NetJets, Qatar Airways, Solairus Aviation, Virgin Atlantic, Volaris, WestJet.
How far is the flight from Ontario to Seattle?
The flight from Ontario to Seattle is 1,540KM or 957 miles.
How long does the flight from Ontario to Seattle to take?
The flight from Ontario to Seattle takes 2 Hours 37 Minutes.

Alternative Airports in United States with Connections from Ontario Airport

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Useful Information about Ontario Airport

Lounges at Ontario Airport

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