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Cheap flights from Seattle to Miami from £140

SEA — MIA
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Miami

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Miami

Fri 16/1008:05 -
Nonstop5h 58m
Sat 24/1018:15 -
Nonstop6h 45m
Deal found 6/9£238
Thu 5/1105:15 -
2 stops15h 30m
Thu 12/1112:30 -
1 stop9h 45m
Deal found 6/9£239
Mon 19/1000:10 -
2 stops14h 20m
Tue 27/1011:30 -
1 stop9h 35m
Deal found 5/9£242
Fri 11/1200:15 -
2 stops17h 25m
Tue 15/1209:10 -
2 stops11h 40m
Deal found 6/9£243
Sat 10/1007:32 -
2 stops14h 21m
Tue 13/1018:15 -
Nonstop6h 45m
Deal found 6/9£244
Fri 23/1008:05 -
Nonstop5h 58m
Thu 29/1018:15 -
Nonstop6h 45m
Deal found 3/9£246
Tue 6/1007:32 -
2 stops14h 21m
Wed 14/1017:50 -
1 stop9h 02m
Deal found 6/9£248
Fri 2/1007:59 -
Nonstop6h 08m
Sat 17/1018:15 -
Nonstop6h 45m
Deal found 7/9£249
Tue 29/907:59 -
Nonstop6h 08m
Sat 3/1018:19 -
Nonstop6h 36m
Deal found 3/9£251
Mon 19/1008:05 -
Nonstop5h 58m
Wed 21/1018:15 -
Nonstop6h 45m
Deal found 4/9£252
Fri 23/1008:05 -
Nonstop5h 58m
Tue 27/1006:55 -
1 stop10h 55m
Deal found 3/9£253
Mon 23/1105:15 -
2 stops15h 30m
Thu 3/1212:00 -
1 stop9h 35m
Deal found 7/9£254

Find flight deals from Seattle to Miami

Round-trip from

£238

One-way from

£140

Popular in

December

Cheapest in

March

Average price

£302
Southwest
  • Southwest
  • 8/12-15/12
  • 4 total stops
  • 24h 20m total
  • Seattle to Miami
Search Deals
Southwest
  • Southwest
  • 10/2-31/12
  • 2 total stops
  • 12h 00m total
  • Seattle to Miami
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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

Cheapest return flight

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Tue 2/3

22:40-11:53

1 stop10h 13m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£144

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Mon 2/11

08:05-17:03

Nonstop5h 58m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Thu 5/11

06:15-19:25

1 stop10h 10m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Thu 31/12

07:00-18:42

1 stop8h 42m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158
Fastest return journey

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Mon 14/12

08:10-17:02

Nonstop5h 52m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Wed 4/11

07:00-18:50

1 stop8h 50m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Wed 3/3

08:25-17:27

Nonstop6h 02m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Sat 10/10

07:11-20:53

1 stop10h 42m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£158

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Mon 21/12

20:30-11:35

2 stops12h 05m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£162

SeattleMiami

SEA Seattle/Tacoma Intl - MIA Miami

SEAMIA

Seattle/Tacoma Intl

Thu 19/11

06:10-20:05

2 stops10h 55m

Miami

Wed 31/12

00:00-21:00

Nonstop0h 00m

£162

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 24 resultsSorted by cheapest first
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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 return price

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?

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Miami. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Miami (average of £269). Flying from Seattle to Miami in December is currently the most expensive (average of £391). 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?

When flying from Seattle to Miami, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Seattle to Miami?

Airfare is below average for this route at the moment.

Seattle to Miami flights typically cost between £249 and £387 in October.
The cheapest return price found within the last 5 days was £238 on Delta (16 Oct–24 Oct).

Related info for your journey

  • How long is the flight from Seattle to Miami?

    For as low as £249, Southwest can have you in Miami from Seattle in 6h 08m. There are 2719 mi between Seattle and Miami. This flight may include one or multiple stops.

  • 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: American Airlines (88%), GOL (87%), LATAM Airlines( 82%).

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Seattle to Miami (average of £269). Flying from Seattle to Miami in December is currently the most expensive (average of £391). 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

Travelling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Key Biscayne
Hollywood
Margate
Boynton Beach
Florida City
Sunrise
Fisher Island

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Miami?

When you search for this flight from Seattle to Miami, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Miami?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Miami for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Miami with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Miami flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Seattle to Miami on Cheapflights with our Price Alert feature and get notified when better prices are available.

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