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Did you mean flights from Seattle to Ontario?

Flights from Ontario to Seattle, United States Last modified: Sep 28, 2016 2:15 AM

TIPSave $23 by flying into Portland instead of Seattle from Ontario

Ontario to Seattle Last modified: Sep 28, 2016 2:15 AM

We've scanned 26,771,905,517 round trip itineraries and found the cheapest flights from Ontario to Seattle. Alaska & American frequently offer the best deals on Ontario to Seattle flights, or select your preferred carrier below to see the cheapest days to fly.

Alaska
ONTSEA
Sun 10/23
nonstop
SEAONT
Mon 10/24
nonstop
$127
Select
Alaska
ONTSEA
Sun 10/23
nonstop
SEAONT
Sun 10/30
nonstop
$127
Select
American
ONTSEA
Mon 10/17
nonstop
SEAONT
Wed 10/19
nonstop
$149
Select
United
ONTSEA
Tue 10/25
1 stop
SEAONT
Wed 10/26
1 stop
$154
Select
United
ONTSEA
Thu 11/3
1 stop
SEAONT
Mon 11/7
1 stop
$154
Select
United
ONTSEA
Tue 11/8
1 stop
SEAONT
Tue 11/15
1 stop
$154
Select
United
ONTSEA
Tue 11/8
1 stop
SEAONT
Sat 11/12
1 stop
$154
Select
United
ONTSEA
Wed 11/9
1 stop
SEAONT
Sat 11/12
1 stop
$154
Select

How Much is a Flight from Ontario to Seattle?

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 $136.

Where To Buy Cheap Flights from Ontario to Seattle?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for 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 found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Ontario to Seattle?

The chart below shows up-to-date information regarding how far in advance to book your flight from Ontario to Seattle.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $203 $201
7-14 days $137 $151
14-21 days $137 $140
21-30 days $127 $145
30-60 days $137 $135
60-90 days $137 $147
90+ days $137 $147

Cheapest Day To Fly from Ontario to Seattle

We've examined 26,779,839,826 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Ontario to Seattle is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$140 $137 $137 $135 $137 $137 $127

Compare Flight Prices from Ontario to Seattle by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Ontario to Seattle flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
September Ontario Seattle American 9/30/16 10/4/16 1 $201
October Ontario Seattle Alaska 10/23/16 10/24/16 0 $127
November Ontario Seattle Alaska 11/10/16 11/15/16 1 $135
December Ontario Seattle Alaska 12/1/16 12/6/16 0 $137
January Ontario Seattle Alaska 1/11/17 1/14/17 0 $137
February Ontario Seattle Alaska 2/1/17 2/6/17 0 $155
March Ontario Seattle Alaska 3/28/17 4/5/17 0 $189
April Ontario Seattle Alaska 4/10/17 4/22/17 1 $186

Cheap Last Minute Flights from Ontario to Seattle

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Ontario to Seattle. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
25 26 27 28 29 30 1
$201
2 3 4 5 6 7 8
$201 $264
9 10 11 12 13 14 15
$264 $180
16 17 18 19 20 21 22
$180 $137
23 24 25 26 27 28 29
$137 $137
30 31 1 2 3 4 5
$137

Connecting Flights vs Direct Flights from Ontario to Seattle

Flights between some cities may be significantly cheaper if you choose 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 $157.

The average price for direct flights from Ontario to Seattle is $158.

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

Weekly Direct Flights from Ontario to Seattle - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 3 3 3 3 3 3 3 06:00 18:00

One Way Flights vs Round Trip Flights from Ontario to Seattle

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 Ontario to Seattle. 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 Ontario to Seattle is not available.

The average price for round trip flights from Ontario to Seattle is $155.

Ontario to Seattle Flight Questions

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

Question: How long is the flight from Ontario to Seattle?
Answer: The average Ontario to Seattle flight time is 2 hours and 38 minutes.
Question: How far is Seattle from Ontario?
Answer: The distance from Ontario to Seattle is 955 miles (1,536 kilometers).
Question: How common are direct flights from Ontario to Seattle?
Answer: There are 21 direct flights from Ontario to Seattle.
Question: What are the most popular Ontario airlines for direct 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: San Francisco, CA

Airlines in Ontario flying to Seattle Last modified: Sep 28, 2016 2:16 AMNumber of routes searched: 118Number of itineraries searched: 209,826

Wondering which airlines fly out of Ontario to Seattle? We've gathered the average price of Ontario airlines with flights to Seattle. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Ontario to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX
American -
Alaska PDX
American SAN
American SFO
American ORD
Alaska MFR
Alaska SLC
Alaska RNO
Alaska EUG
Delta GEG

Ontario to Seattle Airports

These are the major commercial airports we're currently monitoring in Ontario and Seattle. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

More Cheap Flights

FlightsAirlineLowest Price
Flights from Los Angeles to Seattle American, Alaska, Delta, Spirit, Virgin America $93
Flights from Las Vegas to Seattle American, Alaska, JetBlue, Delta, Frontier, Hawaiian, Spirit, United, Virgin America $91
Flights from San Diego to Seattle American, Alaska, Delta, Spirit, Virgin America $186
Flights from Santa Ana to Seattle American, Alaska, Delta, Frontier, United $99
Flights from Burbank to Seattle American, Alaska, Delta, United $89
Flights from Long Beach to Seattle JetBlue, Delta $79
Flights from Santa Barbara to Seattle American, Alaska, United $187
Flights from Palm Springs to Seattle American, Alaska, Delta, United, Virgin America $199
Flights from Bakersfield to Seattle American, United $233
Flights from San Luis Obispo to Seattle American, Alaska, United $234
Flights from Yuma to Seattle American, Alaska $264
Flights from Palomar to SeattleCheck Dates
Flights from Santa Maria to Seattle United $1,002
Flights from Los Angeles to Las Vegas American, Delta, Spirit, United, Virgin America $77
Flights from Los Angeles to Vancouver American, Air Canada, Alaska, Delta, China Eastern, United, WestJet $226
Flights from Los Angeles to Portland American, Alaska, Delta, Spirit, United, Virgin America $81
Flights from Los Angeles to New York American, Alaska, JetBlue, Delta, Frontier, Spirit, Sun Country, United, Virgin America $253
Flights from Los Angeles to Chicago American, Alaska, JetBlue, Delta, Frontier, Spirit, United, Virgin America $110
Flights from Las Vegas to Vancouver American, Air Canada, Alaska, Delta, United, WestJet $246
Flights from Los Angeles to San Francisco Alaska, Delta, Hawaiian, United, Virgin America $107
Flights from Las Vegas to Portland American, Alaska, JetBlue, Delta, Spirit, United, Virgin America $81
Flights from Los Angeles to Denver American, Alaska, Delta, Frontier, Spirit, United, Virgin America $80
Flights from Las Vegas to Los Angeles Delta, Spirit, United, Virgin America $77
Flights from Los Angeles to Bellingham American, Alaska, Delta $227
Flights from Los Angeles to Victoria American, Air Canada, Alaska, Delta, United, WestJet $250
Flights from Los Angeles to Dallas - Ft Worth American, Alaska, Delta, Frontier, Spirit, United, Virgin America $107
Flights from San Diego to Portland American, Alaska, Delta, Spirit, United, Virgin America $177
Flights from Las Vegas to Bellingham Alaska, Delta $193
Flights from San Diego to Vancouver American, Air Canada, Alaska, Delta, United, WestJet $245
Flights from Los Angeles to Atlanta American, Alaska, JetBlue, Delta, Frontier, Spirit, United $169
Cheap Flights from Ontario to Seattle