Flights from Seattle Airport SEA to Ontario Airport ONT
We've found the cheapest flights to Ontario
A variety of 13 airline companies have direct flights to Ontario International to Seattle-Tacoma International, Jet Linx Aviation, Volaris, Frontier, SAS, Japan Airlines, Virgin Atlantic, Korean Air, Qatar Airways, KLM, WestJet, Hawaiian Airlines, Alaska Airlines and Delta Connection. The distance covered when flying from Seattle-Tacoma International to Ontario International United States is 1,540 Km (957 Miles) with the travel time being around 2 Hours 37 Minutes. SEA is the Airport code for Seattle-Tacoma International and ONT is for Ontario International United States.
The cost of ticket prices to Ontario International United States can vary quite considerably if you travel at certain times of the week especially at weekends. It is normally worth booking flights well in advance if possible to get the best deal to Ontario International United States perhaps midweek or late evening. Please book in advance if you want to take advantage of the best prices airlines have to offer as prices normally increase as time goes on.
If you are planning a trip to Ontario International Airport (ONT) from Seattle-Tacoma International Airport you can pre-arrange short or long term parking at Seattle-Tacoma International Airport (SEA).
If you chose to rent a car at Ontario International Airport (ONT) and need to return it, find the nearest fuel station along your route to Ontario International Airport (ONT) in order to avoid incurring additional cost when you return your vehicle.
We suggest pre-booking your transport to Seattle-Tacoma International Airport (SEA). The following options are available:
- Private Transfers to Seattle-Tacoma International Airport (SEA)
- Buses to Seattle-Tacoma International Airport (SEA)
- Taxis to Seattle-Tacoma International Airport (SEA)
- Train Services to/near Seattle-Tacoma International Airport (SEA)
Ensure your arrival at Ontario International Airport (ONT) is as smooth as possible by pre-booking your transport - which in many cases will also save you money:
- Car rental at Ontario International Airport (ONT)
- Private transfers at Ontario International Airport (ONT)
- Buses from Ontario International Airport (ONT)
- Taxis from Ontario International Airport (ONT)
- Train services at or near Ontario International Airport (ONT)
Find hotels close to Ontario International Airport (ONT) many hotels offer airport transfers directly from the airport to your hotel.
Below you can see a table that shows the airlines that fly from Seattle-Tacoma International (SEA) to Ontario International (ONT) and frequency of flights daily.

Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight | Flights |
---|---|---|---|---|---|---|---|---|---|---|
Delta Connection | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 08:20 | 19:55 | VIEW FLIGHTS |
Hawaiian Airlines | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 08:26 | 20:15 | VIEW FLIGHTS |
Alaska Airlines | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 08:26 | 20:15 | VIEW FLIGHTS |
WestJet | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 15:35 | 19:55 | VIEW FLIGHTS |
KLM | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 15:35 | 22:35 | VIEW FLIGHTS |
Qatar Airways | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 18:25 | 20:15 | VIEW FLIGHTS |
Virgin Atlantic | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 19:55 | 19:55 | VIEW FLIGHTS |
Korean Air | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 15:35 | 18:20 | VIEW FLIGHTS |
SAS | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 19:55 | 22:35 | VIEW FLIGHTS |
Japan Airlines | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 13:18 | 13:18 | VIEW FLIGHTS |
Volaris | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 13:50 | 18:50 | VIEW FLIGHTS |
Frontier | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 13:50 | 18:50 | VIEW FLIGHTS |
Jet Linx Aviation | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 15:50 | 15:50 | VIEW FLIGHTS |
Delta Connection offer the most direct flights from Seattle-Tacoma International to Ontario International with an average of 28 flights a week. The earliest flights are operated at 08:20 and the latest flights operated at 19:55 and the most common flight numbers are DL3946, DL4027, DL4031 and DL4070
For more details regarding Delta Connection flight information and bookings you can visit them at www.google.com/search?q=Delta Connection
Please see below the times of flights. These times and frequency may vary at different times of the year please visit the website for more information.

Day | Flight Times | Flights | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Monday | 08:20
08:26
11:30
13:18
15:35
15:53
18:20
18:25
18:50
19:55
20:15
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Tuesday | 08:20
08:26
11:30
13:18
15:35
15:53
18:20
18:25
19:55
20:15
22:35
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Wednesday | 08:20
08:26
11:30
13:18
15:35
15:53
18:20
18:25
19:55
20:15
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thursday | 08:20
08:26
11:30
13:18
13:50
15:35
15:53
18:20
18:25
19:55
20:15
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Friday | 08:20
08:26
11:30
13:18
13:50
15:35
15:50
15:53
18:20
18:25
19:55
20:15
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Saturday | 08:20
08:26
11:30
13:18
13:50
15:35
15:50
18:20
19:55
20:15
22:46
| VIEW FLIGHTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sunday | 08:20
08:26
10:57
11:30
13:18
13:50
15:35
15:50
15:53
16:26
18:20
18:25
19:55
20:15
22:35
| VIEW FLIGHTS |
Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Seattle-Tacoma International.
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