Cheap Flights from Seattle to Miami International from $333

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Flight deals from Seattle to Miami International

Looking for a cheap last-minute deal or the best return flight from Seattle to Miami International? Find the lowest prices on one-way and return tickets right here.

Miami.$333 per passenger.Departing Thu, 23 Apr, returning Thu, 30 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 23 Apr, arriving in Miami International.Inbound indirect flight with Frontier Airlines, departs from Miami International on Thu, 30 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $333, select.

Miami.$369 per passenger.Departing Sat, 21 Feb, returning Thu, 26 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 21 Feb, arriving in Miami International.Inbound indirect flight with Frontier Airlines, departs from Miami International on Thu, 26 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $369, select.

Miami.$384 per passenger.Departing Mon, 2 Mar, returning Mon, 9 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 2 Mar, arriving in Miami International.Inbound indirect flight with Frontier Airlines, departs from Miami International on Mon, 9 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $384, select.

Miami.$392 per passenger.Departing Fri, 8 May, returning Wed, 13 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Fri, 8 May, arriving in Miami International.Inbound indirect flight with Frontier Airlines, departs from Miami International on Wed, 13 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $392, select.

Miami.$395 per passenger.Departing Wed, 22 Apr, returning Wed, 6 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 22 Apr, arriving in Miami International.Inbound direct flight with Delta departs from Miami International on Wed, 6 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $395, select.

Miami.$395 per passenger.Departing Tue, 17 Mar, returning Tue, 24 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 17 Mar, arriving in Miami International.Inbound direct flight with Delta departs from Miami International on Tue, 24 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $395, select.

Miami.$395 per passenger.Departing Sat, 2 May, returning Wed, 6 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 2 May, arriving in Miami International.Inbound direct flight with Delta departs from Miami International on Wed, 6 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $395, select.

Miami.$395 per passenger.Departing Wed, 8 Apr, returning Tue, 14 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 8 Apr, arriving in Miami International.Inbound direct flight with Delta departs from Miami International on Tue, 14 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $395, select.

Find the cheapest month to fly from Seattle to Miami International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Miami International flights are currently cheapest in April.

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Direct flights from Seattle to Miami International

Seattle to Miami International: Alternative routes

Compare routes from Seattle to Miami below. You may find an airport to fly into that's cheaper, faster, or easier than Miami International.

Seattle to Miami: Flight information

The things to know before you go.

Cheapest flight found	$333
Cheapest month to fly	April
Average flight time	5 hrs, 54 mins
Most popular airline	Air Tahiti Nui
Average flights per week	54

Finding cheap flights from Seattle to Miami International: Frequently asked questions

How much are return flights from Seattle to Miami International?

The best price we found for a return flight from Seattle to Miami International is $333. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seattle to Miami International?

5 hours and 54 minutes is the average flight time from Seattle to Miami International.

Which airlines fly direct from Seattle to Miami International?

Air Tahiti Nui, American Airlines and Alaska Airlines fly direct from Seattle to Miami International.

How many flights are there a week from Seattle to Miami International?

As of February 2026, there are 54 flights per week flying from Seattle to Miami International.

When is the cheapest time to fly from Seattle to Miami International?

The cheapest month to fly from Seattle to Miami International is usually April.

Which upcoming date is cheapest to fly from Seattle to Miami International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Miami International Airport on Thursday, 23 April 2026.

Can I get a direct flight from Seattle to Miami International Airport?

Yes – the average flight time is 5 hours and 54 minutes.

How can I find the best flight deal to Miami International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Miami International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Miami?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Miami is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Seattle to Miami International Airport (MIA): What you need to know

Your journey comes together at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Check out the options for catching a flight from Seattle to Miami International Airport (MIA) departing from this base.
6 hours is the average journey time for a direct Seattle to Miami International Airport flight.
The timezone in Miami is UTC-4, which is three hours ahead of Seattle. Miami International Airport is located in Miami.
With 21 direct flights a week between the two airports, Seattle-Tacoma International Airport (SEA) to Miami International Airport (MIA) is the most popular route. American Airlines operates the earliest flight at 12:24am. If you prefer to get more out of your day before flying, the latest flight from SEA to MIA is with American Airlines at 11:10pm.
Give yourself enough time to get on your flight from Seattle to MIA. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.
If you're heading away during a bank holiday or other peak period, allow extra time. Get there two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

You can book a direct flight from Seattle to Miami International Airport (MIA) leaving from Seattle-Tacoma International Airport (SEA).
Choose from a variety of carriers that offer direct flights from Seattle to Miami International Airport leaving from SEA. Book your ticket with one of these:
The majority of travellers prefer to fly with American Airlines from SEA to MIA.
The carrier with the best on-time arrival rate on this route is American Airlines.
Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 20 minutes by car, depending on traffic. The journey on public transport is roughly 55 minutes.
Booked an early flight from Seattle to Miami International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to Seattle-Tacoma International Airport:
81.27% of flights leaving Seattle-Tacoma International Airport land at their destination on schedule. With its strong on-time stats, disruptions are unlikely when jetting out of SEA.

Lake Union Sea Plane Base Airport (LKE)

With public transport, you can travel from central Seattle to LKE in around 25 minutes. The airport is roughly 3 kilometres away, and making the journey by car takes approximately 10 minutes.
Get your holiday started early with an extra night away from home. Before catching your Seattle to MIA flight, unwind in one of these hotels near Lake Union Sea Plane Base Airport:

About Miami International Airport (MIA)

If you're coming in on a late flight from Seattle to Miami International Airport, few things top the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these hotels near MIA:
Travel at your own pace with a Miami International Airport rental car. Pick up a set of wheels from A&G Car Hire, MLC or Dollar and venture far and wide through Miami and beyond.
Lock in the best possible rate by booking your vehicle around one week ahead of your Seattle to Miami International Airport flight.
You'll find MIA at 4200 N.W. 21 Street.

Getting from Miami International Airport (MIA) to central Miami

Central Miami is roughly 10 kilometres from Miami International Airport. Travel times by cab or car hire will vary depending on time of day, so do a little research before your trip.
If you're taking public transport, expect a journey of about 1 hour 20 minutes.

How to find the cheapest flights from Seattle to Miami International Airport (MIA)

The cheapest price we've found for a one-way ticket from Seattle to Miami International Airport is $167. For a return flight on this route, the best price is $333. Depending on when and how early you book, these fares may change.
Don't leave everything to the last moment. You're more likely to walk away with cheap flights from Seattle to MIA if you book ahead. Airlines often offer some great early bird discounts.
Cheap Seattle to Miami International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then choose the cheapest day.
Finding a cheap flight ticket from Seattle to MIA is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when a lower fare pops up.
Nail down a great price on a flight from Seattle to Miami International Airport with the help of the filters. Pick your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Seattle to Miami International Airport (MIA)

April is the quietest month for flights from Seattle to Miami International Airport (MIA), while July is the busiest. Figure out the ideal time to go to Miami based on whether you like a laid-back vibe or a lively atmosphere.
When booking your Seattle to MIA flight ticket, consider what kind of weather works for you. August is the warmest month in Miami, with temperatures ranging from 26ºC to 32ºC.
January sees temperatures of between 13ºC and 25ºC. Search for cheap tickets from Seattle to Miami International Airport around that time if you want to travel in cooler conditions.

More about Miami

After booking your flight from Seattle to Miami International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Miami:
There are so many things to explore in this city, it can be tricky to know where to begin. Ocean Drive, Beach and La Playa De Miami are highlights which should be on every Miami itinerary.

Explore more of the United States

Cape Coral is just one of the many cities in the United States waiting to be discovered after you've seen Miami. Around 193 kilometres away to the north-west, top sights here include Reel Revenge Deep Sea Fishing Charters, Boating Cape Coral and Dolphin Boat Tours LLC.
If there's time to check out another side of the United States, head for Port Saint Lucie, roughly 161 kilometres north of Miami. Wilderness Park, Club Med Sandpiper Bay and Savannas Preserve State Park are key reasons to visit.