Cheap flights from Ottawa, Canada to Seattle, WA
Flights starting at CA$336. Choose between Porter Airlines, Alaska Airlines, or WestJet to find the best price.
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Tips to know when travelling to Seattle
Cheapest one-way trip | CA$336 |
---|---|
Cheapest round-trip | CA$522 |
Average round-trip | CA$647 |
Includes rare itinerary | |
Most popular airline | Porter Airlines |
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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are Porter Airlines, Alaska Airlines, WestJet, United Airlines, and Air Canada. Ottawa and Seattle have 295 direct flights per week.
Check-in for a flight from Ottawa to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
Porter Airlines | POE | PD | No | |
Alaska Airlines | ASA | AS | No | |
WestJet | WJA | WS | No | |
United Airlines | UAL | UA | Yes | |
Air Canada | ACA | AC | Yes |
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 | 4°C |
May | 18°C | 8°C |
June | 21°C | 10°C |
July | 25°C | 13°C |
August | 26°C | 14°C |
September | 22°C | 11°C |
October | 15°C | 7°C |
November | 10°C | 4°C |
December | 6°C | 1°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
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The nearest countries with flights to Seattle
Here is a list of countries people are flying fromOther destination countries from Ottawa
Here is a list of countries people are flying toAirports near Ottawa
- Montréal–Pierre Elliott Trudeau International
- Ottawa Macdonald–Cartier International
- Syracuse Hancock International
- Burlington International
- Plattsburgh International
- Adirondack Regional
- Ogdensburg International
- Massena International
- Watertown International
- Montreal Saint-Hubert Longueuil