Good to know - Cheap tickets Seattle — Ontario
| Minimal flight time | 2h 16m |
|---|---|
| Flight distance | 1557 km |
| Most popular airline | Alaska Airlines |
| Round-trip from | $21 |
Airfare Seattle – Ontario by month
Here you can find out in what months how much a ticket Seattle – Ontario costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| November 2026 | ||
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Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.
Schedule of direct flights Seattle — Ontario
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 07:00 | 09:39 | daily | AS1364 | Alaska Airlines | 2h 39m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 08:30 | 11:08 | daily | AS1364 | Alaska Airlines | 2h 38m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 15:37 | 18:13 | mon, tue, wed, thu, fri, sun | AS592 | Alaska Airlines | 2h 36m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 18:32 | 20:48 | tue, wed | 5X9843 | UPS | 2h 16m | Boeing Field International Airport — Ontario International Airport | Select dates |
| 19:50 | 22:06 | mon, tue, wed, thu, fri | 5X983 | UPS | 2h 16m | Boeing Field International Airport — Ontario International Airport | Select dates |
| 19:50 | 22:13 | wed | 5X983 | UPS | 2h 23m | Boeing Field International Airport — Ontario International Airport | Select dates |
| 19:50 | 22:33 | mon, tue, wed, fri, sat, sun | DL4027 | Delta Connection | 2h 43m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 19:50 | 22:34 | daily | DL4027 | Delta Connection | 2h 44m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 19:55 | 22:37 | tue, wed, thu, fri, sat | DL4027 | Delta Connection | 2h 42m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 20:05 | 22:44 | tue | AS592 | Alaska Airlines | 2h 39m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
Popular airlines flying Seattle — Ontario
Flight Seattle – Ontario is served by 12 airlines. 3 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Dynamics airfare Seattle — Ontario by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Seattle — Ontario
The graph shows that booking flights Seattle — Ontario is best planned for January and flights Seattle — Ontario — Seattle in the month of August.
Flights Seattle — Ontario
The selection of cheap flights Seattle — Ontario
The price of the flight Seattle — Ontario (United States) — Seattle from $21 (round-trip).
The average price of the flight Seattle — Ontario (United States) — Seattle $196 (round-trip).
- Departure city: Seattle
- IATA code of the city of origin: SEA
- Departure airports: Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport
- Departure country: United States
- Destination city: Ontario
- IATA code of the destination city: ONT
- Destination airports: Ontario International Airport, International Heliport
- Destination country: United States
Low cost flights Seattle — Ontario (SEA — ONT)
The distance between Seattle and Ontario 967 miles (or 1557 kilometres).
The time difference between Seattle and Ontario is 0 h.
Minimal flight time from Seattle to Ontario 2h 16m.
Routes from nearby cities to Ontario
A flight from a neighbouring city can help you save money on plane tickets.
The closest airports to Seattle with a flight to Ontario are in Portland.
Popular International routes from Seattle
Popular routes from Ontario
If you are going to fly from Ontario, then study the popular flights. The most popular flights from Ontario:
Popular domestic routes from Seattle
FAQ about Seattle — Ontario
Are there any direct flights Seattle — Ontario?
Yes, they do: AS1364, AS592, 5X9843, 5X983, DL4027, AS489
Can we fly from Seattle to Ontario?
Yes, you can fly from Seattle to Ontario. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. Alaska Airlines, UPS, Delta Connection depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aerolink Uganda, Amazon Air, American Eagle, Ameriflight, FedEx, Frontier (Penny the Owl Livery), NetJets, One Air, Southwest Airlines, United Express, Volaris.
How long does it take to fly from Seattle to Ontario?
A direct flight lasts an average of 2h 16m, during which time the aircraft covers a distance of 1557 km.
How much do flights Seattle — Ontario cost?
The price of flights Seattle — Ontario starts from $21.
What days does the plane fly Seattle — Ontario?
Planes fly Seattle — Ontario 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Seattle and Ontario?
In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. In Ontario — Ontario International Airport, International Heliport.
What flights are currently flying from Seattle to Ontario?
The following flights fly between Seattle and Ontario: AS1364, AS1364, AS592, 5X9843, 5X983, 5X983, DL4027, DL4027, DL4027, AS592, AS592, AS489, AS489
What month is the cheapest to fly from Seattle to Ontario?
High season is considered to be November and the cheapest month is January. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — Ontario flight deals.
Which airlines direct fly from Seattle to Ontario?
The following airlines have direct flights Seattle — Ontario: Alaska Airlines, UPS, Delta Connection.
Which airlines fly from Seattle to Ontario?
All the following airlines flights Seattle — Ontario: ABX Air, Aerolink Uganda, Alaska Airlines, Amazon Air, American Eagle, Ameriflight, Delta Connection, FedEx, Frontier (Penny the Owl Livery), NetJets, One Air, Southwest Airlines, United Express, UPS, Volaris.