What is the cheapest airline that flies from Seattle/Tacoma Intl to Miami?

Delta, Southwest, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Miami

How many flights depart from Seattle to Miami on average per week?

As of March 2026, 29 flights take off from Seattle and land in Miami each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How many flights depart from Seattle to Miami on average per day?

As of March 2026, 4 flights take off from Seattle and land in Miami each day. The most common flight departure time for this route is 8:00a.m., with 81% of daily flights taking off at noon.

Which airlines fly to Miami?

Delta, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Miami from Seattle according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Miami. Keep in mind that there are 4 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

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 are updated daily.

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

The number of operators available for flights from Seattle/Tacoma Intl Airport to Miami Airport is 4 as of March 2026.

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 necessary travel and health documents for your Miami Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 177 Cheap Flights from Seattle to Miami in 2026

1 adult

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Find the cheapest flights from Seattle to Miami

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 a.m. - 4:11 p.m.

SEA

MIA

5h 56mdirect

6:05 p.m. - 9:55 p.m.

MIA

SEA

6h 50mdirect

C$ 246Delta

Wed, 6 May - Wed, 13 May

7:15 a.m. - 4:11 p.m.

SEA

MIA

5h 56mdirect

7:04 a.m. - 2:28 p.m.

MIA

SEA

10h 24m

1 stop

C$ 259Delta

Mon, 20 Apr - Tue, 28 Apr

11:55 p.m. - 11:55 a.m.

SEA

MIA

9h 00m

1 stop

6:40 a.m. - 12:45 p.m.

MIA

SEA

9h 05m

1 stop

C$ 273Southwest

Mon, 20 Apr - Wed, 29 Apr

11:55 p.m. - 2:15 p.m.

SEA

MIA

11h 20m

2 stops

6:40 a.m. - 12:45 p.m.

MIA

SEA

9h 05m

1 stop

C$ 280Southwest

Mon, 20 Apr - Wed, 29 Apr

7:15 a.m. - 4:11 p.m.

SEA

MIA

5h 56mdirect

7:10 a.m. - 2:51 p.m.

MIA

SEA

10h 41m

1 stop

C$ 285Delta

Sun, 19 Apr - Tue, 28 Apr

4:36 p.m. - 5:27 a.m.

SEA

MIA

9h 51m

1 stop

5:25 p.m. - 9:05 p.m.

MIA

SEA

6h 40mdirect

C$ 287Delta

Wed, 15 Apr - Thu, 23 Apr

4:36 p.m. - 5:27 a.m.

SEA

MIA

9h 51m

1 stop

11:00 a.m. - 7:59 p.m.

MIA

SEA

11h 59m

1 stop

C$ 299Delta

Sun, 19 Apr - Tue, 28 Apr

5:59 p.m. - 5:55 a.m.

SEA

MIA

8h 56m

1 stop

12:12 p.m. - 6:54 p.m.

MIA

SEA

9h 42m

1 stop

C$ 300Delta

Sat, 18 Apr - Wed, 22 Apr

5:35 a.m. - 5:55 p.m.

SEA

MIA

9h 20m

1 stop

3:00 p.m. - 11:35 p.m.

MIA

SEA

11h 35m

2 stops

C$ 307Southwest

Sun, 19 Apr - Tue, 28 Apr

7:55 a.m. - 5:04 p.m.

SEA

MIA

6h 09mdirect

6:00 p.m. - 9:49 p.m.

MIA

SEA

6h 49mdirect

C$ 313Alaska Airlines

Tue, 28 Apr - Tue, 19 May

United Airlines flights from Seattle to Miami

Our best United Airlines deals on Seattle to Miami flight tickets

United Airlines

18 Apr

SEA11:59 p.m.Seattle/Tacoma Intl

8h 23m

1 stop

MIA11:22 a.m.Miami

25 Apr

MIA9:00 a.m.Miami

12h 35m

2 stops

SEA6:35 p.m.Seattle/Tacoma Intl

C$ 362

United Airlines

29 Apr

SEA8:55 a.m.Seattle/Tacoma Intl

7h 59m

1 stop

MIA7:54 p.m.Miami

5 May

MIA6:15 a.m.Miami

12h 36m

2 stops

SEA3:51 p.m.Seattle/Tacoma Intl

C$ 379

United Airlines

8 Apr

SEA6:30 a.m.Seattle/Tacoma Intl

8h 58m

1 stop

MIA6:28 p.m.Miami

16 Apr

MIA4:53 p.m.Miami

9h 19m

1 stop

SEA11:12 p.m.Seattle/Tacoma Intl

C$ 387

Southwest flights from Seattle to Miami

Our best Southwest deals on Seattle to Miami flight tickets

Southwest

20 Apr

SEA11:55 p.m.Seattle/Tacoma Intl

11h 20m

2 stops

MIA2:15 p.m.Miami

29 Apr

MIA6:40 a.m.Miami

9h 05m

1 stop

SEA12:45 p.m.Seattle/Tacoma Intl

C$ 280

Southwest

19 Apr

SEA5:35 a.m.Seattle/Tacoma Intl

9h 20m

1 stop

MIA5:55 p.m.Miami

28 Apr

MIA3:00 p.m.Miami

11h 35m

2 stops

SEA11:35 p.m.Seattle/Tacoma Intl

C$ 307

Southwest

9 Apr

SEA5:15 a.m.Seattle/Tacoma Intl

14h 35m

1 stop

MIA10:50 p.m.Miami

16 Apr

MIA6:05 p.m.Miami

9h 00m

1 stop

SEA12:05 a.m.Seattle/Tacoma Intl

C$ 329

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 6/5

7:15 a.m.-4:11 p.m.

Nonstop5h 56m

Miami

Wed 13/5

6:05 p.m.-9:55 p.m.

Nonstop6h 50m

C$ 246

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 20/4

7:15 a.m.-4:11 p.m.

Nonstop5h 56m

Miami

Tue 28/4

7:04 a.m.-2:28 p.m.

1 stop10h 24m

C$ 259

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 20/4

11:55 p.m.-11:55 a.m.

1 stop9h 00m

Miami

Wed 29/4

6:40 a.m.-12:45 p.m.

1 stop9h 05m

C$ 273

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 20/4

11:55 p.m.-2:15 p.m.

2 stops11h 20m

Miami

Wed 29/4

6:40 a.m.-12:45 p.m.

1 stop9h 05m

C$ 280

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 19/4

7:15 a.m.-4:11 p.m.

Nonstop5h 56m

Miami

Tue 28/4

7:10 a.m.-2:51 p.m.

1 stop10h 41m

C$ 285

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 15/4

4:36 p.m.-5:27 a.m.

1 stop9h 51m

Miami

Thu 23/4

5:25 p.m.-9:05 p.m.

Nonstop6h 40m

C$ 287

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 19/4

4:36 p.m.-5:27 a.m.

1 stop9h 51m

Miami

Tue 28/4

11:00 a.m.-7:59 p.m.

1 stop11h 59m

C$ 299

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 18/4

5:59 p.m.-5:55 a.m.

1 stop8h 56m

Miami

Wed 22/4

12:12 p.m.-6:54 p.m.

1 stop9h 42m

C$ 300

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 19/4

5:35 a.m.-5:55 p.m.

1 stop9h 20m

Miami

Tue 28/4

3:00 p.m.-11:35 p.m.

2 stops11h 35m

C$ 307

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 28/4

7:55 a.m.-5:04 p.m.

Nonstop6h 09m

Miami

Tue 19/5

6:00 p.m.-9:49 p.m.

Nonstop6h 49m

C$ 313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Miami?

If you are unable to visit Miami during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around C$ 407.

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

On average, the least expensive day to fly to Miami from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 408. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Sunday is C$ 599.

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

Our data shows that the cheapest Seattle to Miami flights are usually those with departure times in the morning. Our users have found flights to Miami in the morning for as low as C$ 422. Flights to Miami are more costly in the evening, with an average ticket price of C$ 722. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 C$ 492 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 C$ 412 on momondo.

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

There are 3 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.

Can stopping save me money on Seattle to Miami flights?

You could potentially save up to 42% on your flight if you consider stops on a Seattle to Miami flight.

How have Seattle to Miami flight prices changed over time?

As of March 2026, prices for Seattle to Miami flights are approximately 7% 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	C$ 531
Fastest flight time	5h 44m
Direct flights	Every day
Airports in Miami	1 airport

The best flight deal from Seattle to Miami found on momondo in the last 72 hours is C$ 531

The fastest flight from Seattle to Miami takes 5h 44m

Direct flights go from Seattle to Miami every day.

There is 1 airport in Miami. From Seattle there are direct flights to 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 4392.9 km. In terms of flight time, this usually takes a little over 5h 44m.
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 are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Miami Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Miami Airport is 4 as of March 2026.
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 necessary travel and health documents for your Miami Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Miami?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Miami is Airbus A321neo (69.06% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (14.36%), Boeing 737-800 Passenger/BBJ2 (winglets) (3.81%), and Boeing 737-900 Passenger/BBJ3 (winglets) (3.72%).
What is the most popular airline from Seattle to Miami?
momondo data reveals that the most frequently booked airline on the route from Seattle to Miami is Delta, representing 41% of all bookings. The subsequent popular airlines are Alaska Airlines at 34%, Hawaiian Airlines at 13%, and American Airlines at 11%.

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
American Airlines	PriceFrom C$ 190	Free Cancellation	Rating 7.1 11,466 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom C$ 217	Free Cancellation	Rating 7.9 12,052 reviews	Search Alaska Airlines flights
Delta	PriceFrom C$ 218	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom C$ 255	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights

Alaska Airlines Flights From Seattle to Miami
Alaska Airlines operates around 1 flight from Seattle to Miami every week. The average price of these flights found in the last 72 hours has been C$ 434, but momondo users have found Alaska Airlines deals from Seattle to Miami from as low as C$ 217 round-trip. Alaska Airlines has been scored 7.9/10 in 12,052 reviews.
Delta Flights From Seattle to Miami
Delta is also a popular choice for this route. Delta flight deals for Seattle to Miami start from as low as C$ 218 round-trip, depending on your selected dates, with average Delta deals seen on momondo around C$ 407. Delta operates 7 flights to Miami from Seattle in an average week. Users have rated it 7.9/10 across 8,292 reviews.

Miami Beach

Hollywood

Dania Beach

Hallandale Beach

Pompano Beach

Miami Springs

Sunny Isles Beach

Marathon

Key Largo

Surfside

Aventura

Sunrise

Marco Island

Deerfield Beach

Plantation

Doral

Bal Harbour

Palm Beach

Islamorada

Lauderdale-by-the-Sea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Miami. momondo saves you time and could save you money on your trip.

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 provides multiple filters to help you find the best flight to Miami from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Miami from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.