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$122+ Cheap flights from Seattle to Miami (SEA - MIA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MIA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Miami are usually found in September or January, booked 74 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Miami

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Miami (MIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$222
(SmartFares)

One-way from

$122
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$362

Good round-trip deal

$295 or less

Good one-way deal

$181 or less
From Seattle/Tacoma Intl to Miami
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One-way flight from Seattle/Tacoma Intl to Miami
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Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Miami.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Miami.
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Find flight deals from Seattle to Miami

Cheapest flights from Seattle to Miami
Explore the most affordable flight options available from Seattle to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This SmartFares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:25 amSEA - MIA
Nonstop6h 20mHawaiian Airlines
Tue 9/166:45 pmMIA - SEA
Nonstop6h 41mHawaiian Airlines
Deal found 7/26$222
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:49 pmSEA - MIA
Nonstop5h 41mAmerican Airlines
Thu 11/67:47 pmMIA - SEA
Nonstop6h 53mAmerican Airlines
Deal found 7/26$227
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:25 amSEA - MIA
Nonstop6h 20mAlaska Airlines
Wed 9/176:45 pmMIA - SEA
Nonstop6h 41mAlaska Airlines
Deal found 7/27$237
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:35 amSEA - MIA
Nonstop5h 56mDelta
Tue 8/266:45 pmMIA - SEA
Nonstop6h 38mDelta
Deal found 7/26$238
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:00 amSEA - MIA
1 stop7h 15mSouthwest
Wed 9/101:00 pmMIA - SEA
1 stop11h 40mSouthwest
Deal found 7/26$262
This Cheapflightsfares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:48 pmSEA - MIA
1 stop7h 42mFrontier
Sat 8/236:15 amMIA - SEA
1 stop8h 30mFrontier
Deal found 7/27$265
This Kissandfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:13 amSEA - MIA
1 stop13h 31mMultiple Airlines
Wed 9/176:45 pmMIA - SEA
Nonstop6h 41mMultiple Airlines
Deal found 7/27$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Miami that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from Seattle to Miami that are best for you.

Fly from

Seattle

Fly to

Miami

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 9/9

8:25 am-5:45 pm

Nonstop6h 20m

Miami

Tue 9/16

6:45 pm-10:26 pm

Nonstop6h 41m

$222

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 10/31

8:49 pm-5:30 am

Nonstop5h 41m

Miami

Thu 11/6

7:47 pm-11:40 pm

Nonstop6h 53m

$227

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 9/9

8:25 am-5:45 pm

Nonstop6h 20m

Miami

Wed 9/17

6:45 pm-10:26 pm

Nonstop6h 41m

$237

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 8/18

8:35 am-5:31 pm

Nonstop5h 56m

Miami

Tue 8/26

6:45 pm-10:23 pm

Nonstop6h 38m

$238

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 9/8

5:00 am-3:15 pm

1 stop7h 15m

Miami

Wed 9/10

1:00 pm-9:40 pm

1 stop11h 40m

$262

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 8/16

7:48 pm-6:30 am

1 stop7h 42m

Miami

Sat 8/23

6:15 am-11:45 am

1 stop8h 30m

$265

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 9/10

8:13 am-12:44 am

1 stop13h 31m

Miami

Wed 9/17

6:45 pm-10:26 pm

Nonstop6h 41m

$279

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 9/20

7:00 am-12:44 am

1 stop14h 44m

$122

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 8/30

7:34 pm-11:02 am

2 stops12h 28m

$124

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 8/27

8:35 am-5:31 pm

Nonstop5h 56m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 15 results
1
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The best insider tips for Seattle to Miami flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Miami trip
Airports
SEA

Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for security screening appointments to reduce wait times.

Read more about SEAby Brandon Schultz
MIA

Use the MIA Mover train to reach the Miami Intermodal Center for rental cars and public transport options to downtown.

Read more about MIAby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MIA

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Seattle to Miami

Have a flexible travel schedule? Discover the best time to fly to Miami from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Miami

How far ahead should I book a flight from Seattle to Miami?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Miami. Price data was last updated on July 25, 2025.

The best time to book flights from Seattle to Miami is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Miami?

Currently, September is the cheapest month in which you can book a flight from Seattle to Miami (average of $232). Flying from Seattle to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to MIA?

Find hourly flight availability from Seattle to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

When flying from Seattle to Miami, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 76% versus a flight at noon.

What is the cheapest day to fly from Seattle to Miami?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Miami. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Seattle to Miami flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Miami

Explore weekly flight availability from Seattle to Miami. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from SEA to MIA are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

What’s the top layover airport for flights from Seattle to Miami?

Share of 1-stop round-trip flights from Seattle to Miami chosen by Cheapflights users in the past 12 months, using the same layover each way.

Las Vegas (LAS) – chosen by Cheapflights users on 43% of 1-stop itineraries from Seattle to Miami on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Miami?

Average round-trip fare for 1-stop flights from Seattle to Miami, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $396.

What’s the fastest layover option from Seattle to Miami?

Shortest average travel time for 1-stop one-way flights from Seattle to Miami, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 3h 29m.

Which airport typically offers the quickest layover for flights from Seattle to Miami?

Average layover duration for 1-stop one-way flights from Seattle to Miami, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 0h 59m.

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Miami. Reviews last updated July 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Seattle to Miami. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Miami. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Miami?

    If you book a flight from Seattle to Miami, you will be flying from Seattle/Tacoma Intl to Miami. Flights to Miami (MIA) from Seattle/Tacoma Intl (SEA) take 5h 54m for a nonstop flight. There are 5 flights from Seattle/Tacoma Intl to Miami per day from 9 airlines.

  • How popular is this Seattle to Miami flight route?

    This flight path from Seattle/Tacoma Intl to Miami was viewed by 45 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Seattle to Miami round-trip?

    Our cheapest airline available from Seattle to Miami is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $222 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $227 and $237 round-trip. Hawaiian Airlines is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Miami one-way?

    $122 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $124 and $139, respectively.

  • What are the most reliable airlines from Seattle to Miami?

    Before booking your flight to Miami from Seattle, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (90%), Delta (90%), Qatar Airways( 88%).

  • What are the cheapest flights from Seattle to Miami?

    The cheapest flight price from Seattle to Miami is $138. On average you can expect to pay $837. The most popular route, (Seattle/Tacoma Intl - Miami), can usually be booked for $236.

  • Where are the most common layover locations when flying from Seattle to Miami?

    Of the flights from Seattle to Miami that have layovers, most of them stop in Denver.

  • What are some popular things to do or see while on a layover in Denver?

    The majority of Denver visitors spend their time at Coors Field, 16th Street Mall, and Paramount Theatre. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Paramount Theatre can do so by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Travelers can book a car rental at Denver Intl for about $64 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Seattle to Miami flights?

    Flights departing from Seattle and landing in Miami layover in Dallas least frequently.

  • Can I find deals for flights from Seattle to Miami that include hotel bookings?

    Yes. In addition to deals on Seattle to Miami flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Miami?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Miami.

  • Can I find deals for business class flights from Seattle to Miami?

    Yes. Cheapflights offers flight deals from Seattle to Miami by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Miami?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Miami (average of $232). Flying from Seattle to Miami in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Hollywood
Aventura
Coral Gables
Sunny Isles Beach
Marathon
Miami Springs
Boynton Beach
Doral
Hialeah
Riviera Beach
Pembroke Pines
Plantation
Sunrise
Dania Beach
Palm Beach
Palm Beach Gardens
Miami Gardens
Deerfield Beach
Wilton Manors
Oakland Park

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Alternative routes for Seattle to Miami

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Top 9 airlines flying from Seattle to Miami

Discover the top 9 airlines that operate flights from Seattle to Miami. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$278FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$128Average$253FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$128Average$297FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$162Average$335FlexibilityNo cancel feeOn-time83%
DeltaCheapest$198Average$367FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$381FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$462FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$265Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$558FlexibilityNo cancel feeOn-time63%

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