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Florida Keys

$48+ Cheap flights from Seattle (SEA) to Florida Keys

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Seattle to Florida Keys

Keep the following information in mind while searching for Seattle to Florida Keys flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$207
(CheapOair)

One-way from

$48
(Vakatrip)

Popular in

December

Cheapest in

January

Average price

$447
Provider with most accurate pricing for Seattle/Tacoma Intl-Miami flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Miami flights.
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From Seattle/Tacoma Intl to Florida Keys
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One-way flight from Seattle/Tacoma Intl to Florida Keys
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Florida Keys

Cheapest flights from Seattle to Florida Keys
Explore the most affordable flight options available from Seattle to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amSEA - MIA
1 stop20h 43mSpirit Airlines
Sun 6/18:55 pmMIA - SEA
1 stop30h 15mSpirit Airlines
Deal found 4/29$207
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/258:00 amSEA - MIA
Nonstop6h 04mDelta
Tue 6/36:15 pmMIA - SEA
Nonstop6h 41mDelta
Deal found 4/29$208
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:25 amSEA - MIA
1 stop21h 05mFrontier
Sat 6/77:25 amMIA - SEA
1 stop29h 25mFrontier
Deal found 4/29$210
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/258:25 amSEA - MIA
Nonstop5h 56mHawaiian Airlines
Tue 6/36:21 pmMIA - SEA
Nonstop6h 39mHawaiian Airlines
Deal found 4/29$219
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/253:20 pmSEA - MIA
1 stop11h 23mMultiple Airlines
Wed 5/286:21 pmMIA - SEA
Nonstop6h 39mMultiple Airlines
Deal found 4/29$232
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/2412:24 amSEA - MIA
Nonstop5h 46mAmerican Airlines
Wed 5/287:34 pmMIA - SEA
Nonstop6h 33mAmerican Airlines
Deal found 4/29$248
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/167:33 pmSEA - MIA
1 stop8h 56mUnited Airlines
Mon 5/198:35 amMIA - SEA
1 stop10h 23mUnited Airlines
Deal found 4/29$257
This CheapTickets deal was found by Cheapflights users on 4/29. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/48:25 amSEA - MIA
Nonstop5h 56mAlaska Airlines
Sat 6/76:21 pmMIA - SEA
Nonstop6h 39mAlaska Airlines
Deal found 4/29$264
This American Airlines deal was found by Cheapflights users on 4/29. 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 7/165:15 amSEA - EYW
1 stop7h 53mAmerican Airlines
Wed 7/234:48 pmEYW - SEA
1 stop9h 07mAmerican Airlines
Deal found 4/29$389
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:00 amSEA - MIA
1 stop7h 15mSouthwest
Sun 8/314:55 pmMIA - SEA
1 stop9h 35mSouthwest
Deal found 4/29$408
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/38:25 amSEA - EYW
1 stop30h 40mMultiple Airlines
Tue 6/108:45 amEYW - SEA
1 stop16h 15mMultiple Airlines
Deal found 4/29$469
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:20 amSEA - EYW
1 stop9h 26mDelta
Sun 8/312:35 pmEYW - SEA
1 stop9h 07mDelta
Deal found 4/28$472

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Florida Keys 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 April 30, 2025.
Use the filters below to find and compare flights from Seattle to Florida Keys that are best for you.

Fly from

Seattle

Fly to

Florida Keys

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 5/28

6:00 am-5:43 am

1 stop20h 43m

Miami

Sun 6/1

8:55 pm-12:10 am

1 stop30h 15m

$207

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 5/25

8:00 am-5:04 pm

Nonstop6h 04m

Miami

Tue 6/3

6:15 pm-9:56 pm

Nonstop6h 41m

$208

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 6/4

6:25 am-6:30 am

1 stop21h 05m

Miami

Sat 6/7

7:25 am-9:50 am

1 stop29h 25m

$210

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 5/25

8:25 am-5:21 pm

Nonstop5h 56m

Miami

Tue 6/3

6:21 pm-10:00 pm

Nonstop6h 39m

$219

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 5/25

3:20 pm-5:43 am

1 stop11h 23m

Miami

Wed 5/28

6:21 pm-10:00 pm

Nonstop6h 39m

$232

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 5/24

12:24 am-9:10 am

Nonstop5h 46m

Miami

Wed 5/28

7:34 pm-11:07 pm

Nonstop6h 33m

$248

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 5/16

7:33 pm-7:29 am

1 stop8h 56m

Miami

Mon 5/19

8:35 am-3:58 pm

1 stop10h 23m

$257

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 6/4

8:25 am-5:21 pm

Nonstop5h 56m

Miami

Sat 6/7

6:21 pm-10:00 pm

Nonstop6h 39m

$264

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 7/16

5:15 am-4:08 pm

1 stop7h 53m

Key West

Wed 7/23

4:48 pm-10:55 pm

1 stop9h 07m

$389

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 6/3

8:25 am-6:05 pm

1 stop30h 40m

Key West

Tue 6/10

8:45 am-10:00 pm

1 stop16h 15m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 26 results
1
2
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Best time to book a flight from Seattle to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys 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 Florida Keys

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Florida Keys (average of $328). Flying from Seattle to Florida Keys in March is currently the most expensive (average of $493). 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 EOA?

Find hourly flight availability from Seattle to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Florida Keys as you normally would.

Rainfall in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Florida Keys ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Florida Keys when rainfall is around 1.6 in.

Temperature in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Florida Keys, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated April 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Florida Keys to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Florida Keys?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Florida Keys. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from Spirit Airlines and Frontier, as they are both options that can get you from Seattle to Florida Keys for a low price.

  • Can I find deals for flights from Seattle to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Seattle to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Florida Keys.

  • Can I find deals for business class flights from Seattle to Florida Keys?

    Yes. Cheapflights offers flight deals from Seattle to Florida Keys 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 Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Florida Keys (average of $328). Flying from Seattle to Florida Keys in March is currently the most expensive (average of $493). 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

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Alternative routes for Seattle to Florida Keys

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Top 3 airlines flying from Seattle to Florida Keys

Discover the top 3 airlines that operate flights from Seattle to Florida Keys. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$383Average$642FlexibilityNo cancel feeOn-time71%
DeltaCheapest$473Average$873FlexibilityNo cancel feeOn-timeN/A

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