$839 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. For those looking to get out of the rain and do a little shopping, check out Westlake Center.

The city of Seattle has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Seattle for October, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit Space Needle and Seattle Waterfront.

The ideal time to book your flight to Seattle is 39 days in advance, when prices tend to average $1,619. Keep in mind that you might also find cheap flights to Seattle outside of this time window. In fact, momondo users recently found flights from Australia to Seattle for $956.

Seattle Lake Union Spb Airport, Seattle King County/Boeing Airport, Kenmore Air Harbor Airport, Everett Paine Field Airport or Lopez Island Airport can be an alternative airport used for travel to Seattle.

The cheapest airport near Seattle is typically Everett Paine Field Airport, with an average price of $296/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

$151 is the cheapest deal found on momondo in the last two weeks for a flight to Seattle. This flight is from Calgary and is 49% cheaper than most flights to Seattle. To find the cheapest price to Seattle from your area, use momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

As of January 2026, there are 15 operators available to choose from for flights to Seattle/Tacoma Intl Airport.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 licence 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.