Cheap flights from Seattle to Ontario from £45
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Prices updated:
Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Ontario cost?
Key info about flying to Ontario
Weekly direct flights
Discover the top airlines offering direct flights from Seattle to Ontario in the next month. You’ll find the number of daily direct flights per airline in the chart.
Airline | Mon 30.06 | Tue 01.07 | Wed 02.07 | Thu 03.07 | Fri 04.07 | Sat 05.07 | Sun 06.07 |
---|---|---|---|---|---|---|---|
--- | --- | --- | 2 | --- | 3 | 3 | |
--- | --- | --- | 1 | 1 | 1 | --- | |
--- | --- | --- | 4 | 3 | 3 | 1 | |
Weekly flights: 22 total | Daily flights: 3.14 average | Most flights: Thursday 4 flights |
Airline | Mon 07.07 | Tue 08.07 | Wed 09.07 | Thu 10.07 | Fri 11.07 | Sat 12.07 | Sun 13.07 |
---|---|---|---|---|---|---|---|
5 | 3 | 5 | 5 | 5 | 4 | 5 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | |
--- | 3 | --- | 5 | 3 | 2 | --- | |
Weekly flights: 52 total | Daily flights: 7.43 average | Most flights: Monday 5 flights |
Airline | Mon 14.07 | Tue 15.07 | Wed 16.07 | Thu 17.07 | Fri 18.07 | Sat 19.07 | Sun 20.07 |
---|---|---|---|---|---|---|---|
5 | 4 | 5 | 5 | 5 | 4 | 4 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | |
--- | 1 | --- | --- | --- | --- | 1 | |
Weekly flights: 41 total | Daily flights: 5.86 average | Most flights: Monday 5 flights |
Airline | Mon 21.07 | Tue 22.07 | Wed 23.07 | Thu 24.07 | Fri 25.07 | Sat 26.07 | Sun 27.07 |
---|---|---|---|---|---|---|---|
5 | 5 | 5 | 5 | 5 | 4 | 5 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 | |
--- | --- | --- | --- | --- | --- | --- | |
Weekly flights: 41 total | Daily flights: 5.86 average | Most flights: Monday 5 flights |
Check-in for a flight from Seattle to Ontario
Name | Carrier code | IATA Code | Passport needed during booking |
---|---|---|---|
Alaska Airlines | ASA | AS | No |
Frontier Airlines | FFT | F9 | No |
Hawaiian Airlines | HAL | HA | No |
United Airlines | UAL | UA | No |
Online check-in is not available for these airlines.
Weather in Ontario
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 7°C |
February | 18°C | 7°C |
March | 19°C | 8°C |
April | 23°C | 10°C |
May | 25°C | 12°C |
June | 29°C | 16°C |
July | 33°C | 19°C |
August | 33°C | 20°C |
September | 32°C | 18°C |
October | 27°C | 15°C |
November | 22°C | 10°C |
December | 17°C | 7°C |
14 day forecast
Ontario travel tips
Family-run Vince's Spaghetti at 1206 W Holt Boulevard in Ontario is a must for you if you have a good appetite. According to the legend, Frank Cucci's uncle started this restaurant as a six-stool open-air French dip stand in 1945. He tempted passersby with great flavours. Now, spaghetti with meat sauce is a locals' favourite Italian meal here.
Your visit to Ontario will not be completed without delicious wines from the neighbourhood. Check out the Mountain Vista Winery and Vineyards and The Wine Tailor. Both offer romantic nights out and wine tastings six-nights a week. The red Petite Sirah and sweet Port Styled are a must-try.
Ontario's nature is perfect for campings. For example, the Fairplex RV Park is a great option if you need seclusion with nature and modern conveniences. Prices start at $25 per night here.
Frequently asked questions
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