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Cheap flights from Seattle to Miami from C$ 170

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MIA
2 Aug — 9 Aug1
1 adult

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 Wednesday and return on a Tuesday

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 28 July 2025.

Round-trip from

C$ 325

One-way from

C$ 170

Popular in

December

Cheapest in

September

Average price

C$ 496

Good round-trip deal

C$ 324 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 9/9-17/9
  • Nonstop
  • 13h 01m total
  • Seattle to Miami
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United Airlines
  • United Airlines
  • 30/8
  • 2 total stops
  • 12h 28m total
  • Seattle to Miami
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Highest demand for flights based on searches. 7% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 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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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 28 July 2025.

Tue 9/98:25 a.m.SEA - MIA
Nonstop6h 20mAlaska Airlines
Thu 18/96:45 p.m.MIA - SEA
Nonstop6h 41mAlaska Airlines
Deal found 28/7C$ 325
Sat 30/88:08 p.m.SEA - MIA
Nonstop5h 52mAmerican Airlines
Sat 6/98:38 p.m.MIA - SEA
Nonstop6h 21mAmerican Airlines
Deal found 28/7C$ 337
Mon 8/95:00 a.m.SEA - MIA
1 stop7h 15mSouthwest
Wed 10/91:00 p.m.MIA - SEA
1 stop11h 40mSouthwest
Deal found 26/7C$ 359
Fri 31/108:00 a.m.SEA - MIA
Nonstop5h 54mDelta
Thu 6/116:05 p.m.MIA - SEA
Nonstop6h 42mDelta
Deal found 28/7C$ 366
Fri 24/1011:10 p.m.SEA - MIA
1 stop8h 50mUnited Airlines
Fri 31/109:00 a.m.MIA - SEA
2 stops12h 05mUnited Airlines
Deal found 28/7C$ 373
Sat 30/86:25 a.m.SEA - MIA
1 stop21h 05mFrontier
Sat 6/96:45 a.m.MIA - SEA
1 stop16h 54mFrontier
Deal found 27/7C$ 393
Sun 7/125:30 a.m.SEA - MIA
1 stop7h 12mHawaiian Airlines
Fri 12/124:45 p.m.MIA - SEA
1 stop8h 39mHawaiian Airlines
Deal found 27/7C$ 419

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 629,999 searches. Data last updated 28 July 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 a.m.-5:45 p.m.

Nonstop6h 20m

Miami

Wed 17/9

6:45 p.m.-10:26 p.m.

Nonstop6h 41m

C$ 325

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 30/8

8:08 p.m.-5:00 a.m.

Nonstop5h 52m

Miami

Sat 6/9

8:38 p.m.-11:59 p.m.

Nonstop6h 21m

C$ 337

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 9/9

8:25 a.m.-5:45 p.m.

Nonstop6h 20m

Miami

Mon 15/9

6:45 p.m.-10:26 p.m.

Nonstop6h 41m

C$ 352

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 8/9

5:00 a.m.-3:15 p.m.

1 stop7h 15m

Miami

Wed 10/9

1:00 p.m.-9:40 p.m.

1 stop11h 40m

C$ 359

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 31/10

8:00 a.m.-4:54 p.m.

Nonstop5h 54m

Miami

Thu 6/11

6:05 p.m.-9:47 p.m.

Nonstop6h 42m

C$ 366

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 24/10

11:10 p.m.-11:00 a.m.

1 stop8h 50m

Miami

Fri 31/10

9:00 a.m.-6:05 p.m.

2 stops12h 05m

C$ 373

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 30/8

6:25 a.m.-6:30 a.m.

1 stop21h 05m

Miami

Sat 6/9

6:45 a.m.-8:39 p.m.

1 stop16h 54m

C$ 393

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 30/8

7:34 p.m.-11:02 a.m.

2 stops12h 28m

C$ 170

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 8/9

5:00 a.m.-3:15 p.m.

1 stop7h 15m

C$ 177

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 26/8

8:35 a.m.-5:31 p.m.

Nonstop5h 56m

C$ 190

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 16 results
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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 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 25 July 2025.

The price you pay for your flight from Seattle to Miami may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Miami (average of C$ 251). Flying from Seattle to Miami in August is currently the most expensive (average of C$ 369). 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 28 July 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Miami in the afternoon. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking 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 27 July 2025.

Travelers seeking maximum savings on their Seattle to Miami flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday 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 28 July 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).

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 28 July 2025.
Read through reviews of airlines operating flights from Seattle to Miami, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

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?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Miami (MIA) is your only option if you wish to fly from Seattle to Miami. On a typical day, there are 5 flights from Seattle/Tacoma Intl to Miami, all of which are around 5h 56m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Seattle/Tacoma Intl to Miami.

  • How popular is this Seattle to Miami flight route?

    This flight path from Seattle/Tacoma Intl to Miami was viewed by 82 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?

    Currently priced at C$ 325, Alaska Airlines will fly you from Seattle to Miami and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from C$ 337 and C$ 359, respectively. Alaska Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 170. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Seattle to Miami for a low price.

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

    Consider LATAM Airlines (90%), Delta (90%) or Qatar Airways (88%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Miami.

  • What are the cheapest flights from Seattle to Miami?

    While on average a flight from Seattle to Miami is generally C$ 366, our data shows the cheapest flight currently is C$ 189. When looking at the most popular route, (Seattle/Tacoma Intl - Miami), you can expect to pay C$ 379 for that flight.

  • 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, April is the cheapest month in which you can book a flight from Seattle to Miami (average of C$ 251). Flying from Seattle to Miami in August is currently the most expensive (average of C$ 369). 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
Sunny Isles Beach
Hollywood
Miami Springs
Pembroke Pines
Surfside
Palm Beach
Doral
Bonita Springs
Boynton Beach
Miramar
Sunrise
Deerfield Beach
Oakland Park
Plantation
Marathon
Homestead
Dania Beach
Hallandale Beach
Lauderdale-by-the-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Miami

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Orlando flights
Seattle to Fort Lauderdale flights
Seattle to Tampa flights
Bellingham to Miami flights
Seattle to Jacksonville flights

Top 4 airlines flying from Seattle to Miami

Discover the top 4 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 629,999 searches. Data last updated 28 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 115AverageC$ 340FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 203AverageC$ 409FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 204AverageC$ 486FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 323AverageC$ 571FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Miami from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Miami from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Miami become cheaper?

Yes! Start tracking prices for Seattle to Miami flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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