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Did you mean flights from Seattle to Ontario?

Cheap Flights from Ontario to Seattle, WA, United States - ONT to SEA Last modified: Jul 28, 2016 2:14 AM

Popular flights from Ontario to Seattle Last modified: Jul 28, 2016 2:14 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska
ONTSEA
Wed 8/31
nonstop
SEAONT
Mon 9/5
nonstop
$127
Select
American
ONTSEA
Tue 9/6
nonstop
SEAONT
Sat 9/10
nonstop
$137
Select
United
ONTSEA
Tue 9/6
nonstop
SEAONT
Sat 9/10
nonstop
$152
Select

How Much Does it Cost to Fly from Ontario to Seattle (ONT to SEA)?

We have collected flight cost data from across the web for travel from Ontario to Seattle, and have found the average flight price for this trip to be $139.

When Can I Buy the Cheapest Flight from Ontario to Seattle (ONT to SEA)?

Airlines can adjust prices for plane tickets from Ontario to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Ontario to Seattle

The chart below shows up-to-date information regarding how far in advance a flight from Ontario to Seattle should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $242 $190
7-14 days $188 $178
14-21 days $137 $173
21-30 days $132 $173
30-60 days $127 $154
60-90 days $137 $155
90+ days $137 $154

Cheapest Day To Fly from Ontario to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$132 $129 $127 $137 $155 $137 $151

Lowest Fares Chart By Month from Ontario to Seattle

The chart below shows the lowest fare by month when flying from Ontario to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July Ontario Seattle United 7/31/16 8/10/16 1 $190
August Ontario Seattle Alaska 8/31/16 9/5/16 0 $127
September Ontario Seattle Alaska 9/6/16 9/10/16 0 $132
October Ontario Seattle Alaska 10/1/16 10/3/16 0 $137
November Ontario Seattle Alaska 11/1/16 11/8/16 0 $137
December Ontario Seattle Alaska 12/2/16 12/5/16 0 $173
January Ontario Seattle United 1/20/17 1/28/17 1 $174
March Ontario Seattle Alaska 3/7/17 3/18/17 0 $222

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Ontario to Seattle

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Ontario to Seattle.

Next 30 Days

SunMonTueWedThuFriSat
31 1 2 3 4 5 6
$658
7 8 9 10 11 12 13
$658 $199
14 15 16 17 18 19 20
$199 $266
21 22 23 24 25 26 27
$266 $196
28 29 30 31 1 2 3
$196 $174
4 5 6 7 8 9 10
$174

Non-Stop vs Connecting Flights from Ontario to Seattle (ONT to SEA)

Your Ontario to Seattle flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Ontario to Seattle is $162.

The average price for non-stop flights from Ontario to Seattle is $138.

The chart below shows up to date information regarding non-stop flights from Ontario to Seattle.

Nonstop Flight Details from Ontario to Seattle
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 3 3 3 3 3 3 3 06:00 17:30

More Cheap Flights

FlightsAirlineLowest Price
Los Angeles to Seattle American, Alaska, Frontier, Spirit, United, Virgin America $87
Las Vegas to Seattle American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $107
San Diego to Seattle American, Alaska, Spirit, United, Virgin America $211
Santa Ana to Seattle American, Alaska, Frontier, United $117
Burbank to Seattle American, Alaska, United $117
Long Beach to Seattle American, Alaska, JetBlue, United $132
Santa Barbara to Seattle American, Alaska, United $187
Palm Springs to Seattle American, Alaska, United, Virgin America $187
Bakersfield to Seattle American, United $339
San Luis Obispo to Seattle American, Alaska, United $288
Yuma to Seattle American, Alaska $189
Palomar to SeattleCheck Dates
Santa Maria to Seattle United $268
Los Angeles to Las Vegas American, Spirit, United, Virgin America $77
Los Angeles to Vancouver American, Air Canada, Alaska, Frontier, United, Virgin America, WestJet $209
Los Angeles to Portland American, Alaska, Spirit, United, Virgin America $87
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $246
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $87
Las Vegas to Vancouver American, Air Canada, Alaska, United, Virgin America, WestJet $249
Los Angeles to San Francisco American, Alaska, United, Virgin America $111
Las Vegas to Portland American, Alaska, JetBlue, Spirit, United, Virgin America $127
Los Angeles to Denver American, Alaska, Frontier, Spirit, United, Virgin America $83
Las Vegas to Los Angeles American, Spirit, United, Virgin America $77
Los Angeles to Bellingham American, Alaska, United $232
Los Angeles to Victoria American, Air Canada, Alaska, United, Virgin America, WestJet $215
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $77
San Diego to Portland American, Alaska, Spirit, United, Virgin America $188
Las Vegas to Bellingham Alaska, United $224
San Diego to Vancouver American, Air Canada, Alaska, Frontier, United, Virgin America, WestJet $222
Los Angeles to Atlanta American, Alaska, JetBlue, Frontier, Spirit, United $187

Airlines Flying from Ontario to Seattle (ONT to SEA) Number of flights searched: 92Last modified: Jul 28, 2016 2:14 AM

Below are the different airlines that fly from Ontario to Seattle with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Ontario to Seattle.

Ontario to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska - X X X X X X X
Alaska PDX X X X X X X X
Delta SLC X X X X X X X
United SFO X X X X X X X
Southwest LAS X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Ontario and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Ontario to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Ontario to Seattle?
Answer: The average Ontario to Seattle flight time is 2 hours and 26 minutes.
Question: How many miles are there between Ontario and Seattle?
Answer: The distance from Ontario to Seattle is 955 miles.
Question: How common are direct flights from Ontario to Seattle?
Answer: There are 21 direct flights from Ontario to Seattle.
Question: What is the most popular airline for non-stop flights from Ontario to Seattle?
Answer: Alaska Airlines provides 100% of the non-stop flights between Ontario and Seattle.
Question: What are the most popular connecting cities when flying from Ontario to Seattle?
Answer: Las Vegas, NV
Ontario (ONT) To Seattle, WA (SEA) Flights: Cheap Flights From Ontario To Seattle | FareCompare.