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Did you mean flights from Ontario to Seattle?

Cheap Flights from Seattle to Ontario, CA, United States - SEA to ONT Last modified: Jun 30, 2016 1:46 PM

Popular flights from Seattle to Ontario Last modified: Jun 30, 2016 1:46 PM

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
SEAONT
Tue 9/6
nonstop
ONTSEA
Sat 9/10
nonstop
$145
Select
Alaska
SEAONT
Tue 9/6
nonstop
ONTSEA
Sat 9/17
nonstop
$145
Select
Alaska
SEAONT
Sat 9/10
nonstop
ONTSEA
Tue 9/13
nonstop
$145
Select
Alaska
SEAONT
Wed 9/14
nonstop
ONTSEA
Sat 9/17
nonstop
$145
Select
Alaska
SEAONT
Tue 9/27
nonstop
ONTSEA
Tue 10/4
nonstop
$145
Select
United
SEAONT
Wed 9/14
1 stop
ONTSEA
Sat 9/17
1 stop
$162
Select
American
SEAONT
Tue 9/6
nonstop
ONTSEA
Sat 9/10
nonstop
$184
Select
American
SEAONT
Tue 9/6
nonstop
ONTSEA
Sat 9/17
nonstop
$184
Select
American
SEAONT
Sat 9/10
nonstop
ONTSEA
Tue 9/13
nonstop
$184
Select
American
SEAONT
Sat 9/10
1 stop
ONTSEA
Tue 9/13
1 stop
$184
Select
American
SEAONT
Sat 9/10
1 stop
ONTSEA
Mon 9/26
1 stop
$184
Select

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

We have collected flight cost data from across the web for travel from Seattle to Ontario, and have found the average flight price for this trip to be $152.

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

Airlines can adjust prices for plane tickets from Seattle to Ontario 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 Seattle to Ontario

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $177 $209
7-14 days $207 $220
14-21 days $201 $224
21-30 days $200 $232
30-60 days $147 $177
60-90 days $145 $162
90+ days $145 $164

Cheapest Day To Fly from Seattle to Ontario

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$147 $145 $145 $167 $147 $145 $166

Lowest Fares Chart By Month from Seattle to Ontario

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Seattle Ontario Alaska 6/30/16 7/5/16 0 $816
July Seattle Ontario Alaska 7/3/16 7/11/16 0 $177
August Seattle Ontario Alaska 8/5/16 8/16/16 0 $147
September Seattle Ontario Alaska 9/6/16 9/10/16 0 $145
October Seattle Ontario Alaska 10/4/16 10/8/16 0 $145
November Seattle Ontario Alaska 11/8/16 11/15/16 0 $145
December Seattle Ontario United 12/9/16 12/17/16 1 $216
February Seattle Ontario United 2/24/17 2/26/17 1 $216

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

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 Seattle to Ontario.

Next 30 Days

SunMonTueWedThuFriSat
3 4 5 6 7 8 9
$305
10 11 12 13 14 15 16
$305 $207
17 18 19 20 21 22 23
$207 $202
24 25 26 27 28 29 30
$202 $235
31 1 2 3 4 5 6
$235 $181
7 8 9 10 11 12 13
$181
TIPSave $50 by flying into Los Angeles instead of Ontario from Seattle

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

Your Seattle to Ontario 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 Seattle to Ontario is $170.

The average price for non-stop flights from Seattle to Ontario is $173.

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

Nonstop Flight Details from Seattle to Ontario
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 3 3 3 3 3 3 3 07:40 20:40

Round Trip vs One Way Flights from Seattle to Ontario (SEA to ONT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to Ontario is $86.

The average price for round trip flights from Seattle to Ontario is $163.

Seattle to Ontario Flight Questions

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

Question: How long is a direct flight from Seattle to Ontario?
Answer: The average Seattle to Ontario flight time is 2 hours and 35 minutes.
Question: How many miles are there between Seattle and Ontario?
Answer: The distance from Seattle to Ontario is 955 miles.
Question: How common are direct flights from Seattle to Ontario?
Answer: There are 21 direct flights from Seattle to Ontario.
Question: What is the most popular airline for non-stop flights from Seattle to Ontario?
Answer: Alaska Airlines provides 100% of the non-stop flights between Seattle and Ontario.

Airports for Your Route

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

Cheap Domestic Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $115
Seattle to Santa Ana American, Alaska, Frontier, United $127
Seattle to Long Beach American, Alaska, JetBlue, United $135
Seattle to Burbank American, Alaska, United $145
Seattle to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $118
Seattle to San Diego American, Alaska, Hawaiian, Spirit, United, Virgin America $211
Seattle to Palm Springs American, Alaska, JetBlue, United, Virgin America $187

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Portland to Ontario American, Alaska, United $137
Bellingham to Ontario American, Alaska $292
Pasco to Ontario American, Alaska, United $262
Yakima to Ontario American, Alaska $232
Wenatchee to Ontario American, Alaska $312
Portland to Los Angeles American, Alaska, Spirit, United, Virgin America $127
Bellingham to Los Angeles American, Alaska $232
Portland to Santa Ana American, Alaska, United $137
Portland to Long Beach American, Alaska, JetBlue, United $129
Portland to Burbank American, Alaska, United $137
Portland to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $127
Portland to San Diego American, Alaska, United, Virgin America $188
Pasco to Los Angeles American, Alaska, United $228
Bellingham to Santa Ana American, Alaska $235

Cheap International Flights to Ontario - ONT

FlightsAirlineLowest Price
Vancouver to Ontario Pacific Coastal, American, Air Canada, Alaska, United, WestJet $225
Victoria to Ontario American, Air Canada, Alaska, United, WestJet $343
Vancouver to Los Angeles Pacific Coastal, American, Air Canada, Alaska, JetBlue, United, WestJet $182
Victoria to Los Angeles Pacific Coastal, American, Air Canada, Alaska, United, WestJet $193
Vancouver to Santa Ana Pacific Coastal, American, Air Canada, Alaska, United, WestJet $242
Vancouver to Long Beach American, Air Canada, Alaska, JetBlue, United, WestJet $258
Vancouver to Las Vegas Pacific Coastal, Central Mountain, American, Air Canada, Alaska, JetBlue, United, Virgin America, WestJet $226
Vancouver to Burbank American, Air Canada, Alaska, JetBlue, United, WestJet $248
Vancouver to San Diego Pacific Coastal, American, Air Canada, Alaska, JetBlue, United, Virgin America, WestJet $212
Cheap Flights from Seattle to Ontario, CA, United States, from $145 Round trip from SEA to ONT