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Florida Keys

$127+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(FlightHub)

One-way from

$128
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$387
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. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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.
Tue 4/19:48 amSEA - MIA
1 stop17h 27mSpirit Airlines
Wed 4/97:22 amMIA - SEA
1 stop15h 39mSpirit Airlines
Deal found 2/19$200
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Tue 4/228:01 amSEA - MIA
Nonstop6h 00mMultiple Airlines
Tue 4/296:00 amMIA - SEA
1 stop21h 44mMultiple Airlines
Deal found 2/20$201
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/92:02 pmSEA - MIA
1 stop12h 14mFrontier
Sat 3/152:56 pmMIA - SEA
1 stop24h 06mFrontier
Deal found 2/20$203
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/178:05 amSEA - MIA
1 stop7h 42mAlaska Airlines
Tue 3/256:02 pmMIA - SEA
Nonstop6h 57mAlaska Airlines
Deal found 2/20$227
This Delta deal was found by Cheapflights users on 2/19. 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 3/127:35 amSEA - MIA
Nonstop5h 57mDelta
Tue 3/185:45 pmMIA - SEA
Nonstop6h 56mDelta
Deal found 2/19$237
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/1112:59 amSEA - MIA
1 stop10h 12mAmerican Airlines
Tue 3/187:35 pmMIA - SEA
Nonstop6h 51mAmerican Airlines
Deal found 2/18$303
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/55:22 amSEA - EYW
1 stop7h 58mAmerican Airlines
Wed 3/123:07 pmEYW - SEA
1 stop8h 49mAmerican Airlines
Deal found 2/19$309
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sun 3/3011:59 pmSEA - EYW
2 stops30h 16mUnited Airlines
Wed 4/22:03 pmEYW - SEA
1 stop11h 13mUnited Airlines
Deal found 2/18$443
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/199:48 amSEA - EYW
2 stops28h 00mMultiple Airlines
Sat 3/293:15 pmEYW - SEA
3 stops44h 28mMultiple Airlines
Deal found 2/20$568
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 4/38:45 amSEA - EYW
1 stop8h 41mDelta
Thu 4/106:10 pmEYW - SEA
1 stop8h 45mDelta
Deal found 2/19$649
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/59:54 pmSEA - EYW
1 stop10h 47mAlaska Airlines
Sat 4/1212:16 pmEYW - SEA
1 stop11h 40mAlaska Airlines
Deal found 2/19$973

Find flights from Seattle to Florida Keys within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

Florida Keys

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 4/18

4:26 pm-10:00 am

1 stop14h 34m

Miami

Mon 4/21

6:21 am-12:44 am

1 stop21h 23m

$200

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 4/22

8:01 am-5:01 pm

Nonstop6h 00m

Miami

Tue 4/29

6:00 am-12:44 am

1 stop21h 44m

$201

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 3/17

7:57 pm-7:42 pm

2 stops20h 45m

Miami

Tue 3/25

9:40 pm-7:09 pm

2 stops24h 29m

$202

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 3/17

6:42 am-6:47 pm

1 stop9h 05m

Miami

Tue 3/25

6:02 pm-9:59 pm

Nonstop6h 57m

$220

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 3/17

6:42 am-6:47 pm

1 stop9h 05m

Miami

Wed 3/26

6:02 pm-9:59 pm

Nonstop6h 57m

$227

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 3/12

7:35 am-4:32 pm

Nonstop5h 57m

Miami

Wed 3/19

5:45 pm-9:41 pm

Nonstop6h 56m

$247

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 3/5

5:22 am-4:20 pm

1 stop7h 58m

Key West

Wed 3/12

3:07 pm-8:56 pm

1 stop8h 49m

$309

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 4/25

12:59 am-12:41 pm

1 stop8h 42m

Miami

Tue 4/29

7:47 pm-11:39 pm

Nonstop6h 52m

$328

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 3/16

7:10 pm-5:54 am

1 stop7h 44m

Miami

Tue 3/25

10:20 am-9:01 pm

2 stops13h 41m

$363

SeattleKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sun 3/30

11:59 pm-9:15 am

2 stops30h 16m

Key West

Wed 4/2

2:03 pm-10:16 pm

1 stop11h 13m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Seattle to Florida Keys

Get recent, data-driven insights about flights from Seattle to Florida Keys including ideal travel times, pricing trends, and more.

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 $510). 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 February 20, 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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Alaska Airlines, with whom users have recently found tickets for as low as $128. However, be on the lookout for offers from United 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 $510). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$603FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$408Average$659FlexibilityNo cancel feeOn-time71%
DeltaCheapest$518Average$900FlexibilityNo cancel feeOn-timeN/A
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