Cheap flights from Seattle to Miami from C$ 249

If you are unable to visit Miami during the month of March, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around C$ 532.

On average, the least expensive day to fly to Miami from Seattle is on a Saturday. momondo users have found tickets for Saturday departures for as low as C$ 440. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Tuesday is C$ 700.

Our data shows that the cheapest Seattle to Miami flights are usually those with departure times in the morning. Our users have found flights to Miami in the morning for as low as C$ 525. Flights to Miami are more costly in the evening, with an average ticket price of C$ 702. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Miami from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around C$ 589 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from Seattle for as low as C$ 483 on momondo.

There are 4 cabin classes available to choose from on Seattle to Miami 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 57% on your flight if you consider stops on a Seattle to Miami flight.

As of September 2026, prices for Seattle to Miami flights are approximately 45% more expensive when compared to flights at the same time last year.

United Airlines and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Miami

Delta, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Miami from Seattle according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Miami. Keep in mind that there are 4 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

As of September 2026, 2 flights take off from Seattle and land in Miami each day. The most common flight departure time for this route is 7:00a.m., with 77% of daily flights taking off at noon.

As of September 2026, 20 flights take off from Seattle and land in Miami each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.