Miami

$118+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MIA
Jan 22 — Jan 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Miami with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Miami are usually found in September or October, booked 74 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:33 pmSEA - MIA
1 stop8h 02mMultiple Airlines
Mon 1/266:34 pmMIA - SEA
Nonstop6h 55mMultiple Airlines
Deal found 12/22$325
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:20 pmSEA - MIA
Nonstop5h 45mMultiple Airlines
Tue 1/67:05 amMIA - SEA
1 stop13h 46mMultiple Airlines
Deal found 12/21$336
This Frontier deal was found by Cheapflights users on 12/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - MIA
1 stop12h 35mFrontier
Tue 1/67:05 amMIA - SEA
1 stop13h 46mFrontier
Deal found 12/22$353
This Travelocity deal was found by Cheapflights users on 12/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:33 pmSEA - MIA
1 stop8h 02mMultiple Airlines
Wed 3/115:59 pmMIA - SEA
Nonstop7h 05mMultiple Airlines
Deal found 12/21$371
This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:33 pmSEA - MIA
1 stop8h 02mMultiple Airlines
Tue 2/104:39 pmMIA - SEA
1 stop8h 54mMultiple Airlines
Deal found 12/21$385
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/3110:06 pmSEA - MIA
Nonstop5h 44mAmerican Airlines
Tue 1/68:35 amMIA - SEA
1 stop9h 59mAmerican Airlines
Deal found 12/22$403
This Frontier deal was found by Cheapflights users on 12/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:54 pmSEA - MIA
1 stop11h 06mFrontier
Tue 1/67:05 amMIA - SEA
1 stop13h 46mFrontier
Deal found 12/21$442
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:59 pmSEA - MIA
1 stop8h 01mSun Country Air
Sun 1/47:56 pmMIA - SEA
1 stop24h 16mSun Country Air
Deal found 12/21$456
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:59 pmSEA - MIA
1 stop8h 01mMultiple Airlines
Tue 1/67:05 amMIA - SEA
1 stop13h 46mMultiple Airlines
Deal found 12/21$477
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:59 pmSEA - MIA
1 stop9h 11mUnited Airlines
Mon 1/266:20 amMIA - SEA
1 stop9h 29mUnited Airlines
Deal found 12/22$478
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:33 pmSEA - MIA
1 stop8h 02mFrontier
Sun 1/46:05 amMIA - SEA
1 stop9h 25mFrontier
Deal found 12/22$487

Find 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 December 23, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$197
(Kiwi.com)

One-way from

$118
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$579

Good round-trip deal

$374 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Miami flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Miami flights.
From Seattle/Tacoma Intl to Miami
One-way flight from Seattle/Tacoma Intl to Miami
Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Miami.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Miami.

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 December 23, 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

Mon 1/26

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Wed 1/28

5:37 pm-9:35 pm

Nonstop6h 58m

$199

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 1/18

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Thu 1/22

6:43 am-3:00 pm

1 stop11h 17m

$209

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 2/2

8:44 am-5:34 pm

Nonstop5h 50m

Miami

Fri 2/6

6:34 pm-10:29 pm

Nonstop6h 55m

$219

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 1/21

4:55 pm-12:40 pm

2 stops16h 45m

Miami

Thu 1/29

8:05 am-2:21 pm

1 stop9h 16m

$237

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 1/22

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Sun 2/1

7:50 am-2:54 pm

1 stop10h 04m

$238

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 1/28

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Mon 2/2

7:50 am-2:54 pm

1 stop10h 04m

$238

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 1/28

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Sun 2/1

7:50 am-2:54 pm

1 stop10h 04m

$238

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 2/5

7:35 am-4:27 pm

Nonstop5h 52m

Miami

Mon 2/9

7:50 am-2:54 pm

1 stop10h 04m

$238

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 1/20

6:05 am-5:59 pm

1 stop8h 54m

Miami

Sun 2/1

7:50 am-2:54 pm

1 stop10h 04m

$248

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 3/11

5:55 pm-6:49 am

1 stop9h 54m

Miami

Tue 3/24

6:49 am-2:54 pm

1 stop11h 05m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 20 results
1
2

Compare providers for flights from Seattle to Miami

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Miami in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Miami flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Miami flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Seattle-Miami flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Miami flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Miami flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 19, 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, February is the cheapest month in which you can book a flight from Seattle to Miami (average of $138). Flying from Seattle to Miami in December is currently the most expensive (average of $183). 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 December 23, 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 73% 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 December 20, 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.

The best insider tips for Seattle to Miami flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

MIA

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

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

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 December 23, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines 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.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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 42m for a nonstop flight. There are 12 flights from Seattle/Tacoma Intl to Miami per day from 9 airlines.

  • How popular is this Seattle to Miami flight route?

  • How long is the flight from Seattle to Miami?

    Airlines like Delta and Alaska Airlines fly from Seattle to Miami in about 5h 50m. The time it takes to get you to your destination is usually consistent. The distance between Seattle and Miami is about 2719 mi. All flights are typically nonstop.

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

    Our cheapest airline available from Seattle to Miami is Frontier. Our recent data shows that you can find tickets from as low as $111 on this airline. Additional options worth looking into are Hawaiian Airlines and Spirit Airlines, starting at $118 and $128 round-trip. Frontier is currently priced 70% below the average price you’ll pay for this route.

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

    $96 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Hawaiian Airlines, with prices starting from $99 and $118, 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%), American Airlines( 87%).

  • What are the cheapest flights from Seattle to Miami?

    The cheapest flight price from Seattle to Miami is $119. On average you can expect to pay $996. The most popular route, (Seattle/Tacoma Intl - Miami), can usually be booked for $159.

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

  • 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 $43 per day to make their sightseeing more efficient.

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

  • 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, February is the cheapest month in which you can book a flight from Seattle to Miami (average of $138). Flying from Seattle to Miami in December is currently the most expensive (average of $183). 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
Sunny Isles Beach
Aventura
Hollywood
Coral Gables
Marathon
Doral
Sunrise
Plantation
Palm Beach
Miami Springs
Riviera Beach
Boynton Beach
Hialeah
Deerfield Beach
Miami Lakes
Miami Gardens
Dania Beach
Tamarac
Miramar
Hallandale Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Miami

See prices for flight routes from nearby airports that may be better suited for you.

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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$297FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$128Average$253FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$302FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$162Average$232FlexibilityNo cancel feeOn-time83%
DeltaCheapest$196Average$360FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$386FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$236Average$448FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$257Average$457FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$603FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.