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Florida Keys

$114+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$197
(Delta)

One-way from

$114
(Delta)

Popular in

December

Cheapest in

September

Average price

$428
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. 7% potential increase in price ($29 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/265:45 pmSEA - MIA
1 stop9h 42mDelta
Tue 9/27:50 amMIA - SEA
1 stop9h 48mDelta
Deal found 6/11$197
This Southwest deal was found by Cheapflights users on 6/9. 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 9/49:20 amSEA - MIA
1 stop8h 25mSouthwest
Mon 9/84:40 pmMIA - SEA
1 stop8h 05mSouthwest
Deal found 6/9$205
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Wed 7/28:25 amSEA - MIA
Nonstop5h 55mHawaiian Airlines
Tue 7/156:20 pmMIA - SEA
Nonstop6h 40mHawaiian Airlines
Deal found 6/11$206
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:25 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Tue 8/126:20 pmMIA - SEA
Nonstop6h 40mAlaska Airlines
Deal found 6/10$211
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amSEA - MIA
1 stop21h 19mFrontier
Sat 10/116:35 pmMIA - SEA
1 stop8h 56mFrontier
Deal found 6/11$230
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:30 pmSEA - MIA
1 stop9h 08mSpirit Airlines
Thu 7/177:00 amMIA - SEA
1 stop12h 25mSpirit Airlines
Deal found 6/11$241
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/278:08 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Mon 9/18:43 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 6/11$245
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:30 pmSEA - MIA
1 stop9h 08mMultiple Airlines
Wed 7/166:20 pmMIA - SEA
Nonstop6h 40mMultiple Airlines
Deal found 6/11$250
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/3111:50 pmSEA - MIA
1 stop8h 59mUnited Airlines
Tue 11/43:45 pmMIA - SEA
1 stop10h 25mUnited Airlines
Deal found 6/11$262
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 11/711:42 pmSEA - EYW
1 stop11h 02mAmerican Airlines
Fri 11/143:11 pmEYW - SEA
1 stop8h 40mAmerican Airlines
Deal found 6/10$309
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:30 pmSEA - MIA
1 stop13h 51mSun Country Air
Thu 12/1811:57 amMIA - SEA
1 stop13h 51mSun Country Air
Deal found 6/10$365
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/711:50 pmSEA - EYW
2 stops29h 10mUnited Airlines
Fri 11/146:45 pmEYW - SEA
3 stops27h 12mUnited Airlines
Deal found 6/10$487

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 June 12, 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

Tue 8/26

5:45 pm-6:27 am

1 stop9h 42m

Miami

Tue 9/2

7:50 am-2:38 pm

1 stop9h 48m

$197

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 9/4

9:20 am-8:45 pm

1 stop8h 25m

Miami

Mon 9/8

4:40 pm-9:45 pm

1 stop8h 05m

$205

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 7/2

8:25 am-5:20 pm

Nonstop5h 55m

Miami

Tue 7/15

6:20 pm-10:00 pm

Nonstop6h 40m

$206

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/5

8:25 am-5:20 pm

Nonstop5h 55m

Miami

Tue 8/12

6:20 pm-10:00 pm

Nonstop6h 40m

$211

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 10/4

6:00 am-6:19 am

1 stop21h 19m

Miami

Sat 10/11

6:35 pm-12:31 am

1 stop8h 56m

$230

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-5:38 am

1 stop9h 08m

Miami

Thu 7/17

7:00 am-4:25 pm

1 stop12h 25m

$241

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 8/27

8:08 pm-5:00 am

Nonstop5h 52m

Miami

Mon 9/1

8:43 pm-12:14 am

Nonstop6h 31m

$245

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-5:38 am

1 stop9h 08m

Miami

Wed 7/16

6:20 pm-10:00 pm

Nonstop6h 40m

$250

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 10/31

11:50 pm-11:49 am

1 stop8h 59m

Miami

Tue 11/4

3:45 pm-11:10 pm

1 stop10h 25m

$262

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 12/5

6:30 pm-11:21 am

1 stop13h 51m

Miami

Thu 12/18

11:57 am-10:48 pm

1 stop13h 51m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 27 results
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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 June 12, 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 June 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 $114. However, be on the lookout for offers from Alaska Airlines and Spirit Airlines, 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$587FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$383Average$634FlexibilityNo cancel feeOn-time71%
DeltaCheapest$473Average$875FlexibilityNo cancel feeOn-timeN/A

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