Cheap flights from Seattle, WA to Ontario, CA
Flights starting at £34. Choose between Alaska Airlines, Frontier Airlines, or United Airlines to find the best price.
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Tips to know when travelling to Ontario
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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 table.
Weekly direct flights for Mon 03.06 - Sun 09.06
Airline | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 | Sun 09.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 4 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Mon 10.06 - Sun 16.06
Airline | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 | Sun 16.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 4 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Mon 17.06 - Sun 23.06
Airline | Mon 17.06 | Tue 18.06 | Wed 19.06 | Thu 20.06 | Fri 21.06 | Sat 22.06 | Sun 23.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 4 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Mon 24.06 - Sun 30.06
Airline | Mon 24.06 | Tue 25.06 | Wed 26.06 | Thu 27.06 | Fri 28.06 | Sat 29.06 | Sun 30.06 |
---|---|---|---|---|---|---|---|
4 | 4 | 4 | 4 | 4 | 4 | 4 | |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
Check-in for a flight from Seattle to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Ontario travel tips
1) Try the best spaghetti in Ontario at Vince's Spaghetti | 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. |
---|---|
2) Check out wines around Ontario | 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. |
3) Experience camping in Ontario's landscapes | 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. |
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 | 20°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
Frequently asked questions
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