Cheap flights from Ontario to Seattle from $33
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How much do flights to Seattle cost?
Key info about flying to Seattle
Depart from
Arrive to
Average flights per week
Flight distance
Worth visiting
Weekly direct flights
Discover the top airlines offering direct flights from Ontario to Seattle in the next month. You’ll find the number of daily direct flights per airline in the chart.
Airline | Sun 12.10 | Mon 13.10 | Tue 14.10 | Wed 15.10 | Thu 16.10 | Fri 17.10 | Sat 18.10 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 2 | |
--- | --- | --- | --- | --- | --- | --- | |
1 | 1 | --- | --- | --- | 1 | --- | |
Weekly flights: 23 total | Daily flights: 3.29 average | Most flights: Sunday 3 flights |
Airline | Sun 19.10 | Mon 20.10 | Tue 21.10 | Wed 22.10 | Thu 23.10 | Fri 24.10 | Sat 25.10 |
---|---|---|---|---|---|---|---|
3 | 3 | 3 | 3 | 3 | 3 | 2 | |
--- | --- | --- | --- | --- | 3 | 2 | |
1 | 1 | --- | --- | --- | 1 | --- | |
Weekly flights: 28 total | Daily flights: 4 average | Most flights: Sunday 3 flights |
Airline | Sun 26.10 | Mon 27.10 | Tue 28.10 | Wed 29.10 | Thu 30.10 | Fri 31.10 | Sat 01.11 |
---|---|---|---|---|---|---|---|
4 | 4 | 3 | 3 | 4 | 3 | 3 | |
3 | 4 | 3 | 3 | 4 | 3 | 3 | |
1 | 1 | --- | --- | --- | 1 | --- | |
Weekly flights: 50 total | Daily flights: 7.14 average | Most flights: Sunday 4 flights |
Airline | Sun 02.11 | Mon 03.11 | Tue 04.11 | Wed 05.11 | Thu 06.11 | Fri 07.11 | Sat 08.11 |
---|---|---|---|---|---|---|---|
4 | 4 | 3 | 3 | 4 | 4 | 3 | |
4 | --- | --- | --- | --- | --- | --- | |
1 | 1 | --- | --- | --- | 1 | --- | |
Weekly flights: 32 total | Daily flights: 4.57 average | Most flights: Sunday 4 flights |
Check-in for a flight from Ontario to Seattle
Name | Carrier code | IATA Code | Passport needed during booking |
---|---|---|---|
Hawaiian Airlines | HAL | HA | No |
Frontier Airlines | FFT | F9 | No |
Alaska Airlines | ASA | AS | No |
United Airlines | UAL | UA | No |
Avianca | AVA | AV | No |
Online check-in is not available for these airlines.
Weather in Seattle
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 1°C |
March | 10°C | 3°C |
April | 13°C | 5°C |
May | 18°C | 8°C |
June | 21°C | 10°C |
July | 25°C | 13°C |
August | 25°C | 14°C |
September | 22°C | 11°C |
October | 15°C | 7°C |
November | 10°C | 4°C |
December | 6°C | 2°C |
14 day forecast
Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field. The distance between Ontario and Seattle is 1542 km. The most popular airlines for this route are Hawaiian Airlines, Frontier Airlines, Alaska Airlines, United Airlines, and Avianca. Ontario and Seattle have 124 direct flights per week.
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
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