C$ 99 Cheap flights to Seattle

When planning your flight to Seattle, it is important to be aware that some months are not as ideal as others. Specifically, the months of January, November, or December could carry a higher chance of rain, as Seattle sees up to 5.1 inches (130 mm) or more. There are still things to do in Seattle even when it's raining, but be aware that rain is highly probable in the area. Museum of Pop Culture is a great museum to visit near Seattle and is especially great when the weather outside is less than desirable. Many tourists kill time during rain and storms by going to shopping centres in the area, like Pike Place Market.

Most momondo users would consider October to be the best times to fly to Seattle to see sights like Pike Place Market, Seattle Waterfront, and Seattle Center. Typically, the weather in Seattle is under 70 degrees Fahrenheit (21°C) but still warm and the chance of rain is only moderate.

We recommend purchasing flights from Canada to Seattle 87 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seattle for C$ 481. However, in the past 72 hours, people saw flights from Canada for as low as C$ 331.

Finding an alternative and possibly cheaper destination airport near Seattle is possible. If you are planning a flight to Seattle, consider booking flights to Seattle Lake Union Spb Airport (2 km from Seattle city centre), Seattle King County/Boeing Airport (9 km from Seattle city centre), Kenmore Air Harbor Airport (15 km from Seattle city centre), Everett Paine Field Airport (33 km from Seattle city centre) or Lopez Island Airport (107 km from Seattle city centre).

Everett Paine Field Airport has an average price of C$ 126 per person and is typically the cheapest airport to fly into when visiting Seattle. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Prices for flights to Seattle/Tacoma Intl Airport were last updated today.

As of December 2025, there are 17 operators available to choose from for flights to Seattle/Tacoma Intl Airport.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Seattle/Tacoma Intl Airport.

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.