Good to know - Cheap tickets Seattle — Ontario
| Cheapest flight found | $31 |
|---|---|
| Minimal flight time | 2h 12m |
| Flight distance | 1557 km |
| Most popular airline | Delta Connection |
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 |
|---|---|---|
| January 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 | |
|---|---|---|---|---|---|---|---|
| 05:45 | 08:02 | thu | 5X2983 | UPS | 2h 17m | Boeing Field International Airport — Ontario International Airport | Select dates |
| 05:45 | 07:57 | fri | 5X2983 | UPS | 2h 12m | Boeing Field International Airport — Ontario International Airport | Select dates |
| 07:30 | 10:25 | daily | DL3593 | Delta Connection | 2h 55m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 08:15 | 11:08 | daily | DL4096 | Delta Connection | 2h 53m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 08:22 | 11:05 | mon, tue, sun | AS1364 | Alaska Airlines | 2h 43m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 08:28 | 11:08 | mon, fri | F93163 | Frontier (Cali the Mountain Lion Livery) | 2h 40m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 08:30 | 11:18 | mon | DL3593 | Delta Connection | 2h 48m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 09:51 | 12:37 | daily | AS1254 | Alaska Airlines | 2h 46m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 11:25 | 14:12 | tue, wed, thu, fri | AS1118 | Alaska Airlines | 2h 47m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
| 14:24 | 17:10 | daily | DL4031 | Delta Connection | 2h 46m | Seattle-Tacoma International Airport — Ontario International Airport | Select dates |
Popular airlines flying Seattle — Ontario
Flight Seattle – Ontario is served by 17 airlines. 4 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Sales of tickets from Seattle to Ontario in the last 48 hours
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 July and flights Seattle — Ontario — Seattle in the month of August.
Flights Seattle — Ontario
The selection of cheap flights Seattle — Ontario
Here you can find and purchase the cheapest flights Seattle — Ontario from $31 and Seattle — Ontario — Seattle from $24.
The price of the flight Seattle — Ontario (United States) — Seattle from $24 (round-trip).
The average price of the flight Seattle — Ontario (United States) — Seattle $166 (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 12m.
LowCostClub always do a comparison of airfares Seattle — Ontario with several airlines (include UPS, Delta Connection, Alaska Airlines). They will always give you all available options so you can find the cheapest flight to Ontario. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Seattle — Ontario. Last week, for instance, the cheapest round-trip prices stood at $24 while the cheapest one-way price that was available within the last week cost $31
Routes from nearby cities to Ontario
A flight from a neighbouring city can help you save money on plane tickets.
Most often, flights to Ontario are from Pasco. The cheapest plane ticket to Ontario can be bought from $32 with a departure from Portland, which is also the nearest city from Seattle.
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: 5X2983, DL3593, DL4096, AS1364, F93163, AS1254, AS1118, DL4031, AS1086, 5X9843, 5X983, DL4027, AS1003
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. UPS, Delta Connection, Alaska Airlines, Frontier (Cali the Mountain Lion Livery) depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Transport International, AlphaSky, American Eagle, Ameriflight, Atlas Air, China Airlines, Empire Airlines, FedEx, Hawaiian Airlines, JetBlue, NetJets, One Air, SkyWest Airlines, Southwest Airlines, Starlux, United Express, Volaris.
How long does it take to fly from Seattle to Ontario?
A direct flight lasts an average of 2h 12m, 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 $31.
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: 5X2983, 5X2983, DL3593, DL4096, AS1364, F93163, DL3593, AS1254, AS1118, DL4031, AS1086, 5X9843, 5X983, DL4027, 5X983, DL4027, DL4027, DL4027, AS1003
What month is the cheapest to fly from Seattle to Ontario?
High season is considered to be August and the cheapest month is July. 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: UPS, Delta Connection, Alaska Airlines, Frontier (Cali the Mountain Lion Livery).
Which airlines fly from Seattle to Ontario?
All the following airlines flights Seattle — Ontario: Air Transport International, Alaska Airlines, AlphaSky, American Eagle, Ameriflight, Atlas Air, China Airlines, Delta Connection, Empire Airlines, FedEx, Frontier (Cali the Mountain Lion Livery), Hawaiian Airlines, JetBlue, NetJets, One Air, SkyWest Airlines, Southwest Airlines, Starlux, United Express, UPS, Volaris.