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Florida Keys

$109+ Cheap flights from Washington 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from Washington to Florida Keys

Keep the following information in mind while searching for Washington to Florida Keys flight deals. Data was last updated September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Frontier)

One-way from

$109
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$300
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 Washington to Florida Keys
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One-way flight from Washington to Florida Keys
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Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Florida Keys

Cheapest flights from Washington to Florida Keys
Explore the most affordable flight options available from Washington to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Frontier deal was found by Cheapflights users on 9/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:26 pmPDX - MIA
2 stops18h 22mFrontier
Mon 11/176:00 amMIA - PDX
1 stop8h 56mFrontier
Deal found 9/24$191
This Delta deal was found by Cheapflights users on 9/24. 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.
Mon 11/38:00 amSEA - MIA
Nonstop5h 54mDelta
Thu 11/136:05 pmMIA - SEA
Nonstop6h 53mDelta
Deal found 9/24$197
This Priceline deal was found by Cheapflights users on 9/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:16 amSEA - MIA
1 stop11h 34mFrontier
Thu 10/306:00 amMIA - SEA
1 stop9h 13mFrontier
Deal found 9/24$198
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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.
Mon 12/88:45 amSEA - MIA
Nonstop5h 49mAlaska Airlines
Fri 12/126:34 pmMIA - SEA
Nonstop6h 56mAlaska Airlines
Deal found 9/24$199
This Delta deal was found by Cheapflights users on 9/25. 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.
Sat 10/188:00 amSEA - MIA
Nonstop5h 54mDelta
Fri 10/246:05 pmMIA - SEA
Nonstop6h 42mDelta
Deal found 9/25$201
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:37 pmSEA - MIA
1 stop13h 42mFrontier
Fri 11/148:25 pmMIA - SEA
2 stops18h 48mFrontier
Deal found 9/23$202
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/178:49 pmSEA - MIA
Nonstop5h 41mAmerican Airlines
Mon 10/207:56 pmMIA - SEA
Nonstop6h 45mAmerican Airlines
Deal found 9/25$203
This Frontier deal was found by Cheapflights users on 9/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:26 pmPDX - MIA
2 stops15h 45mFrontier
Sun 11/96:00 amMIA - PDX
1 stop8h 56mFrontier
Deal found 9/25$203
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 10/188:00 amSEA - MIA
Nonstop5h 54mDelta
Mon 10/276:05 pmMIA - SEA
Nonstop6h 42mDelta
Deal found 9/23$204
This Delta deal was found by Cheapflights users on 9/25. 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 10/198:00 amSEA - MIA
Nonstop5h 54mDelta
Fri 10/246:05 pmMIA - SEA
Nonstop6h 42mDelta
Deal found 9/25$205
This Frontier deal was found by Cheapflights users on 9/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:43 pmPDX - MIA
2 stops17h 08mFrontier
Thu 10/306:00 amMIA - PDX
1 stop8h 56mFrontier
Deal found 9/24$205
This Frontier deal was found by Cheapflights users on 9/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:43 pmSEA - MIA
2 stops22h 15mFrontier
Sat 10/256:00 amMIA - SEA
1 stop9h 07mFrontier
Deal found 9/25$206

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 September 25, 2025.
Use the filters below to find and compare flights from Washington to Florida Keys that are best for you.

Fly from

Washington

Fly to

Florida Keys

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 10/23

8:00 am-4:54 pm

Nonstop5h 54m

Miami

Thu 10/30

6:05 pm-9:47 pm

Nonstop6h 42m

$201

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 10/19

8:00 am-4:54 pm

Nonstop5h 54m

Miami

Sat 10/25

6:05 pm-9:47 pm

Nonstop6h 42m

$201

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 12/2

7:55 am-4:49 pm

Nonstop5h 54m

Miami

Fri 12/5

6:05 pm-10:02 pm

Nonstop6h 57m

$205

PortlandMiami

PDX - MIA

PDXMIA

Portland

Sun 11/2

3:26 pm-6:19 am

1 stop11h 53m

Miami

Thu 11/13

6:00 am-11:56 am

1 stop8h 56m

$217

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 1/7

6:15 am-5:43 pm

1 stop8h 28m

Miami

Wed 1/21

8:00 am-4:15 pm

1 stop11h 15m

$219

PortlandMiami

PDX - MIA

PDXMIA

Portland

Mon 11/3

2:10 pm-12:29 am

1 stop7h 19m

Miami

Fri 11/14

6:05 pm-12:14 am

1 stop9h 09m

$219

PortlandMiami

PDX - MIA

PDXMIA

Portland

Tue 11/4

6:00 am-5:30 pm

1 stop8h 30m

Miami

Sat 11/8

7:36 am-4:12 pm

1 stop11h 36m

$219

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 11/4

8:53 am-5:46 pm

Nonstop5h 53m

Miami

Mon 11/10

6:46 pm-10:30 pm

Nonstop6h 44m

$227

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 11/2

8:00 am-4:54 pm

Nonstop5h 54m

Miami

Wed 11/12

6:05 pm-9:58 pm

Nonstop6h 53m

$237

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Mon 11/3

8:00 am-4:54 pm

Nonstop5h 54m

Miami

Mon 11/10

6:05 pm-9:58 pm

Nonstop6h 53m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Florida Keys

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

What is the cheapest month to book a flight from State of Washington to Florida Keys?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Florida Keys (average of $328). Flying from State of Washington to Florida Keys in March is currently the most expensive (average of $489). 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 WA to EOA?

Find hourly flight availability from Washington 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 September 25, 2025.

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

Related info for your journey

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

  • How long is the flight from State of Washington to Florida Keys?

    For as low as $227, Delta can have you in Florida Keys from State of Washington in 5h 53m. The distance from State of Washington to Florida Keys is about 2719 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Florida Keys one-way?

    One-way options have recently been found by users for as low as $110 on Delta. Other airlines that offer cheap prices include American Airlines from $135 and United Airlines from $139 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Florida Keys (average of $328). Flying from State of Washington to Florida Keys in March is currently the most expensive (average of $489). 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 Washington to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Florida Keys

Discover the top 3 airlines that operate flights from Washington 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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$587FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$598FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$717FlexibilityNo cancel feeOn-timeN/A

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