Cheap flights from Miami to Seattle from C$ 164

If you aren’t able to travel to Seattle during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 406.

Our data shows that Saturday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 217. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 222. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Miami to Seattle during this time can be as low as C$ 219. Flights in the evening are often more expensive with an average ticket price of C$ 230.

Fly from Miami to Seattle/Tacoma Intl for the best Miami - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 466 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Miami for as low as C$ 383 on momondo.

There are 3 cabin classes available to choose from on Miami to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 59% on your flight if you consider stops on a Miami to Seattle flight.

As of March 2026, prices for Miami to Seattle flights are approximately 20% more expensive when compared to flights at the same time last year.

Historically, on average around 22% of flights between Miami and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 162 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines has had the least delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of March 2026, 6 flights take off from Miami and land in Seattle each day. The most common flight departure time for this route is 7:00p.m., with 73% of daily flights taking off in the evening.

As of March 2026, there are 42 flights per week flying from Miami to Seattle. The most common day of the week flights depart is Sat, with 19% of flights taking off on this day.