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Cheap flights from Seattle to Miami from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Miami departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Miami (SEA-MIA)

Cheap round-trip flights

Frontier Logo
6:12 am - 12:44 amSEA-MIA
15h 32m1 stop
Frontier Logo
6:00 am - 12:30 amMIA-SEA
21h 30m1 stop
$168Frontier
Find Deal
Fri, Sep 12 - Fri, Sep 19
Frontier Logo
6:12 am - 12:44 amSEA-MIA
15h 32m1 stop
Frontier Logo
6:00 am - 12:30 amMIA-SEA
21h 30m1 stop
$169Frontier
Find Deal
Sun, Sep 7 - Fri, Sep 12
Frontier Logo
1:02 pm - 6:19 amSEA-MIA
14h 17m1 stop
Frontier Logo
6:00 am - 12:07 pmMIA-SEA
9h 07m1 stop
$171Frontier
Find Deal
Thu, Oct 23 - Mon, Oct 27
Frontier Logo
2:31 pm - 6:19 amSEA-MIA
12h 48m1 stop
Frontier Logo
5:00 am - 11:13 amMIA-SEA
9h 13m1 stop
$172Frontier
Find Deal
Fri, Oct 24 - Sun, Nov 2
Frontier Logo
12:58 pm - 6:19 amSEA-MIA
14h 21m1 stop
Frontier Logo
5:00 am - 11:13 amMIA-SEA
9h 13m1 stop
$175Frontier
Find Deal
Thu, Oct 30 - Sun, Nov 2
Logo
6:12 am - 12:44 amSEA-MIA
15h 32m1 stop
Logo
7:54 pm - 5:33 pmMIA-SEA
24h 39m2 stops
$213
Find Deal
Sun, Sep 7 - Wed, Sep 10
Logo
2:31 pm - 9:41 amSEA-MIA
16h 10m2 stops
Logo
6:00 am - 12:07 pmMIA-SEA
9h 07m1 stop
$215
Find Deal
Fri, Oct 17 - Sat, Oct 25
Delta Logo
8:00 am - 5:05 pmSEA-MIA
6h 05mnonstop
Delta Logo
6:05 pm - 10:00 pmMIA-SEA
6h 55mnonstop
$237Delta
Find Deal
Wed, Nov 12 - Thu, Nov 20
Southwest Logo
5:00 am - 3:15 pmSEA-MIA
7h 15m1 stop
Southwest Logo
1:00 pm - 9:40 pmMIA-SEA
11h 40m1 stop
$248Southwest
Find Deal
Thu, Sep 4 - Tue, Sep 16
Southwest Logo
6:15 am - 9:45 pmSEA-MIA
12h 30m2 stops
Southwest Logo
1:00 pm - 9:40 pmMIA-SEA
11h 40m1 stop
$254Southwest
Find Deal
Thu, Sep 4 - Tue, Sep 16

Frontier flights from Seattle to Miami

Our best Frontier deals on Seattle to Miami flight tickets
Frontier
Sep 12
SEA6:12 amSeattle/Tacoma Intl
15h 32m
1 stop
MIA12:44 amMiami
Sep 19
MIA6:00 amMiami
21h 30m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$168
Find similar
Frontier
Sep 7
SEA6:12 amSeattle/Tacoma Intl
15h 32m
1 stop
MIA12:44 amMiami
Sep 12
MIA6:00 amMiami
21h 30m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$169
Find similar
Frontier
Oct 23
SEA1:02 pmSeattle/Tacoma Intl
14h 17m
1 stop
MIA6:19 amMiami
Oct 27
MIA6:00 amMiami
9h 07m
1 stop
SEA12:07 pmSeattle/Tacoma Intl
$171
Find similar

Delta flights from Seattle to Miami

Our best Delta deals on Seattle to Miami flight tickets
Delta
Nov 12
SEA8:00 amSeattle/Tacoma Intl
6h 05m
MIA5:05 pmMiami
Nov 20
MIA6:05 pmMiami
6h 55m
SEA10:00 pmSeattle/Tacoma Intl
$237
Find similar
Delta
Aug 28
SEA8:35 amSeattle/Tacoma Intl
5h 56m
MIA5:31 pmMiami
Sep 3
MIA6:45 pmMiami
6h 38m
SEA10:23 pmSeattle/Tacoma Intl
$352
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Seattle to Miami that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 9/12

6:12 am-12:44 am

1 stop15h 32m

Miami

Fri 9/19

6:00 am-12:30 am

1 stop21h 30m

$168

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 9/7

6:12 am-12:44 am

1 stop15h 32m

Miami

Fri 9/12

6:00 am-12:30 am

1 stop21h 30m

$169

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 10/23

1:02 pm-6:19 am

1 stop14h 17m

Miami

Mon 10/27

6:00 am-12:07 pm

1 stop9h 07m

$171

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 10/24

2:31 pm-6:19 am

1 stop12h 48m

Miami

Sun 11/2

5:00 am-11:13 am

1 stop9h 13m

$172

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 10/30

12:58 pm-6:19 am

1 stop14h 21m

Miami

Sun 11/2

5:00 am-11:13 am

1 stop9h 13m

$175

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 9/7

6:12 am-12:44 am

1 stop15h 32m

Miami

Wed 9/10

7:54 pm-5:33 pm

2 stops24h 39m

$213

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 10/17

2:31 pm-9:41 am

2 stops16h 10m

Miami

Sat 10/25

6:00 am-12:07 pm

1 stop9h 07m

$215

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 11/12

8:00 am-5:05 pm

Nonstop6h 05m

Miami

Thu 11/20

6:05 pm-10:00 pm

Nonstop6h 55m

$237

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 9/4

5:00 am-3:15 pm

1 stop7h 15m

Miami

Tue 9/16

1:00 pm-9:40 pm

1 stop11h 40m

$248

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 9/4

6:15 am-9:45 pm

2 stops12h 30m

Miami

Tue 9/16

1:00 pm-9:40 pm

1 stop11h 40m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Miami from

How to get the cheapest flight ticket from Seattle to Miami

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Miami?

The month of September is, on average, the cheapest month to fly to Miami from Seattle, with most prices found around $297. If you are unable to visit Miami during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $305.

What is the cheapest day to depart on your flight to Miami?

The cheapest day to depart from Seattle to Miami is on a Tuesday when prices can be found for as low as $561. 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 $643.

What is the cheapest time of day to depart on your flight to Miami?

In the afternoon is the cheapest time of day to fly from Seattle to Miami when you can find flight prices for as low as $263. Flying to Miami in the afternoon 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 $1,092. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Miami flight route?

Fly from Seattle/Tacoma Intl to Miami for the best Seattle/Tacoma Intl - Miami flight prices

How far in advance should I book a flight to Miami?

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 $380 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 $317 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Miami flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Miami flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Miami flight prices changed over time?

As of August 2025, prices for Seattle to Miami flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Miami

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Miami according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Miami (SEA to MIA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Miami

Best Price Found

$89

Fastest flight time

5h 54m

Direct flights

Every day

Airports in Miami

1 airport
The best one-way flight to Miami from Seattle in the past 72 hours is $89. The best round-trip flight deal from Seattle to Miami found on momondo in the last 72 hours is $168.
The fastest flight from Seattle to Miami takes 5h 54m
Direct flights go from Seattle to Miami every day.
There is 1 airport near Miami: Miami (MIA)
Search flight deals

  • How far is Seattle/Tacoma Intl to Miami by plane?

    The straight-line distance from Seattle/Tacoma Intl to Miami is 2729.6 mi. In terms of flight time, this usually takes a little over 6h 05m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Miami Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Miami Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Miami Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Miami Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Miami Airport.

  • What documentation or ID do you need to fly to Miami Airport?

    The travel and health documents you'll need for your trip to Miami Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Miami Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Miami?

  • What is the most popular airline from Seattle to Miami?

Best airlines flying from Seattle to Miami

Compare and see reviews for airlines that fly from Seattle to Miami with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $128Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,657 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,211 reviews
Search Frontier flights
Sun Country AirPriceFrom $162Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
DeltaPriceFrom $197Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $238Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $264Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Delta Flights From Seattle to Miami

    Delta is one of the most popular airlines flying from Seattle to Miami, operating 7 flights/week on average for this route. A good Delta flight deal for Seattle to Miami starts from $197 round-trip, up to an average price of $366. Our users have rated Delta at 8.0/10.

  • Alaska Airlines Flights From Seattle to Miami

    Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to Miami about 3 times each week, with ticket deals ranging from $238 to $466. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Miami Beach
Key Largo
Islamorada
Hollywood
Marco Island
Palm Beach
Marathon
Delray Beach
Pompano Beach
Jupiter
Sunny Isles Beach
Dania Beach
Lake Worth
Deerfield Beach
Boynton Beach
Bonita Springs
Stuart
Doral
Miramar
Miami Gardens

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Miami?

Finding the right flight to Miami from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Miami quick and easy, saving you time and money.

Can I find flights from Seattle to Miami with flexible booking policies on momondo?

Flights from Seattle to Miami with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Miami?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Miami.

I’m not ready to book a flight from Seattle to Miami right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Miami flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Miami trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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