$67 Cheap Flights from Seattle (SEA) to Miami (MIA)

View $67 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Miami Intl. Airport (MIA)

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Cheap Flights from Seattle to Miami (SEA-MIA)

Prices were available within the past 7 days and start at $67 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Sep 29 - Tue, Sep 30
SEA
Seattle
MIA
Miami
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Sep 29 from Seattle to Miami, returning Tue, Sep 30, priced at $134 found 1 hour ago
Southwest Airlines
Wed, Sep 17 - Thu, Sep 18
SEA
Seattle
MIA
Miami
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Seattle to Miami, returning Thu, Sep 18, priced at $139 found 1 hour ago
Southwest Airlines
Thu, Sep 4 - Thu, Sep 11
SEA
Seattle
MIA
Miami
$144 Roundtrip, found 2 hours ago
$144
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Seattle to Miami, returning Thu, Sep 11, priced at $144 found 2 hours ago
Southwest Airlines
Wed, Sep 17 - Thu, Sep 18
SEA
Seattle
MIA
Miami
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Seattle to Miami, returning Thu, Sep 18, priced at $144 found 1 hour ago
Southwest Airlines
Tue, Aug 19 - Mon, Aug 25
SEA
Seattle
MIA
Miami
$149 Roundtrip, found 6 hours ago
$149
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Seattle to Miami, returning Mon, Aug 25, priced at $149 found 6 hours ago
Southwest Airlines
Wed, Sep 17 - Thu, Sep 18
SEA
Seattle
MIA
Miami
$149 Roundtrip, found 1 hour ago
$149
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Seattle to Miami, returning Thu, Sep 18, priced at $149 found 1 hour ago
American Airlines
Wed, Oct 15 - Sat, Oct 18
SEA
Seattle
MIA
Miami
$205 Roundtrip, found 2 hours ago
$205
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Seattle to Miami, returning Sat, Oct 18, priced at $205 found 2 hours ago
Spirit Airlines
Thu, Aug 7 - Fri, Aug 8
SEA
Seattle
MIA
Miami
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Seattle to Miami, returning Fri, Aug 8, priced at $229 found 1 hour ago
Hawaiian Airlines
Wed, Oct 22 - Tue, Oct 28
SEA
Seattle
MIA
Miami
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Seattle to Miami, returning Tue, Oct 28, priced at $237 found 1 day ago
Delta
Tue, Sep 23 - Fri, Sep 26
SEA
Seattle
MIA
Miami
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Tue, Sep 23 from Seattle to Miami, returning Fri, Sep 26, priced at $237 just found

Find the cheapest month to fly from Seattle (SEA) to Miami (MIA)

January is typically the cheapest month to fly

From $154 - $356 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Miami (MIA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Miami Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$133
Distance
2721 mi
Average flight time
8 hours 53 mins

Seattle to Miami Flights

The cheapest times to fly from Seattle to Miami

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Miami are during the month of September. You can find some of the cheapest flights from Seattle to Miami with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Miami

Sunday is one of the best days to book for cheap flights from Seattle to Miami: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Miami

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Miami in 2025. You can also book with separate airlines for your outbound and return journeys, from $67 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Miami flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Miami airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) cost?
You can find affordable return tickets from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) starting at $233. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on July 29 2025 and touching down at MIA. The price was last updated on July 7 2025 and has not changed since.
What is the cheapest month to fly from SEA to MIA?
The cheapest flights from SEA to MIA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
You can choose from 3 airlines that fly direct from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA). These include:

  • Alaska Airlines
  • Delta Air Lines
  • American Airlines

What is the cheapest airline that flies from SEA to MIA?
Right now, the cheapest airline operating one-way flights from SEA to MIA is American Airlines. You can jet off on this route from $119. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on August 30 2025. Prices were last updated on July 7 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
With, on average, 3 direct flights departing from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) daily, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
The 7 AM departures from SEA to MIA see the highest demand. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from SEA to MIA?
If you fly on a Friday, you'll get the largest range of options for flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
Seattle - Tacoma Intl. Airport (SEA)'s earliest flight to Miami Intl. Airport (MIA) is at approximately 7:15AM UTC-8. With a travel duration of 5h 50m, you'll land at around 4:05PM UTC-5.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
Flights from SEA to MIA have an average travel time of 5 hours and 48 minutes. The distance between the two is 2,700 mi.
What airline has the least delays from SEA to MIA?
American Airlines has the strongest track record for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA), with an on-time rating of 83%. Use the Expedia App to view your journey status before you head off and get real-time updates about any changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
To land at Miami Intl. Airport (MIA) on time, pick a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Miami from Seattle - Tacoma Intl. Airport (SEA)?
Catch a direct flight from Seattle - Tacoma Intl. Airport (SEA) to Miami and touch down at Miami Intl. Airport (MIA). Another arrival point to the city is Fort Lauderdale - Hollywood Intl. Airport (FLL).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) last-minute?
Holding off until just before your trip to book your flight from SEA to MIA generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a SEA to MIA flight and hotel package?
You can save money by booking a SEA to MIA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA)?
If you reserved your SEA to MIA flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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