Cheap flights from Seattle to Miami from $172

The month of September is, on average, the cheapest month to fly to Miami from Seattle, with most prices found around $279. If you are unable to visit Miami during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $317.

The cheapest day to depart from Seattle to Miami is on a Tuesday when prices can be found for as low as $556. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Friday is $630.

In the morning is the cheapest time of day to fly from Seattle to Miami when you can find flight prices for as low as $410. Flying to Miami in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $825. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $376 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 $300 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 38% on your flight if you consider stops on a Seattle to Miami flight.

As of June 2026, prices for Seattle to Miami flights are approximately 31% more expensive when compared to flights at the same time last year.

Delta, Southwest, and United Airlines 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 45% of people opting to fly with this airline when traveling to Miami. Keep in mind that there are 9 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $166.

Flights connecting via Portland (PDX) have the shortest average one-way travel time: 7h 31m.

Portland (PDX) has the shortest average layover time for this route: 1h 02m.

As of June 2026, 5 flights take off from Seattle and land in Miami each day. The most common flight departure time for this route is 7:00AM, with 43% of daily flights taking off at noon.

41 flights are operational weekly from Seattle to Miami as of June 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.