HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Florida Keys

$110+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EYW
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Florida Keys with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$222
(Expedia)

One-way from

$110
(Delta)

Popular in

December

Cheapest in

January

Average price

$441
Provider with most accurate pricing for Seattle/Tacoma Intl-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Miami flights.
Search Deals
From Washington to Florida Keys
Search Deals
One-way flight from Washington to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 2, 2025.

This Expedia deal was found by Cheapflights users on 4/1. 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 6/43:20 pmSEA - MIA
1 stop11h 23mMultiple Airlines
Wed 6/116:21 pmMIA - SEA
Nonstop6h 39mMultiple Airlines
Deal found 4/1$222
This eDestinos deal was found by Cheapflights users on 4/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:30 pmSEA - MIA
1 stop14h 47mSpirit Airlines
Fri 4/257:22 amMIA - SEA
1 stop15h 29mSpirit Airlines
Deal found 4/1$230
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/118:01 amSEA - MIA
Nonstop6h 00mHawaiian Airlines
Tue 5/206:21 pmMIA - SEA
Nonstop6h 39mHawaiian Airlines
Deal found 4/2$231
This Delta deal was found by Cheapflights users on 4/2. 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 4/297:30 amSEA - MIA
Nonstop5h 52mDelta
Thu 5/86:15 pmMIA - SEA
Nonstop6h 41mDelta
Deal found 4/2$237
This Frontier deal was found by Cheapflights users on 4/1. 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.
Thu 5/112:21 pmSEA - MIA
1 stop14h 01mFrontier
Sun 5/46:00 amMIA - SEA
1 stop8h 31mFrontier
Deal found 4/1$238
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/2610:34 pmPDX - MIA
Nonstop5h 43mAmerican Airlines
Fri 5/27:50 pmMIA - PDX
Nonstop6h 38mAmerican Airlines
Deal found 4/2$239
This CheapOair deal was found by Cheapflights users on 4/2. 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.
Sat 4/266:20 amPDX - MIA
1 stop20h 01mFrontier
Fri 5/26:00 amMIA - PDX
1 stop21h 38mFrontier
Deal found 4/2$240
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
Wed 6/45:40 pmPDX - MIA
1 stop9h 03mMultiple Airlines
Mon 6/97:25 amMIA - PDX
1 stop8h 30mMultiple Airlines
Deal found 4/1$241
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Tue 4/297:01 pmPDX - MIA
2 stops22h 44mSpirit Airlines
Tue 5/68:58 amMIA - PDX
3 stops34h 47mSpirit Airlines
Deal found 4/2$242
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 4/206:39 amSEA - MIA
1 stop9h 20mAlaska Airlines
Thu 4/246:01 pmMIA - SEA
Nonstop6h 58mAlaska Airlines
Deal found 4/2$247
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/205:06 amGEG - MIA
1 stop10h 53mHawaiian Airlines
Wed 4/236:01 pmMIA - GEG
1 stop8h 58mHawaiian Airlines
Deal found 4/1$248
This Delta deal was found by Cheapflights users on 4/2. 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 4/206:59 pmGEG - MIA
1 stop7h 51mDelta
Wed 4/235:55 pmMIA - GEG
1 stop9h 04mDelta
Deal found 4/2$249

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 April 2, 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

Wed 6/4

3:20 pm-5:43 am

1 stop11h 23m

Miami

Wed 6/11

6:21 pm-10:00 pm

Nonstop6h 39m

$222

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 4/22

12:30 pm-6:17 am

1 stop14h 47m

Miami

Fri 4/25

7:22 am-7:51 pm

1 stop15h 29m

$230

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 5/11

8:01 am-5:01 pm

Nonstop6h 00m

Miami

Tue 5/20

6:21 pm-10:00 pm

Nonstop6h 39m

$231

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 4/29

7:30 am-4:22 pm

Nonstop5h 52m

Miami

Tue 5/13

6:15 pm-9:56 pm

Nonstop6h 41m

$237

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 5/1

12:21 pm-5:22 am

1 stop14h 01m

Miami

Sun 5/4

6:00 am-11:31 am

1 stop8h 31m

$238

PortlandMiami

PDX - MIA

PDXMIA

Portland

Sat 4/26

10:34 pm-7:17 am

Nonstop5h 43m

Miami

Fri 5/2

7:50 pm-11:28 pm

Nonstop6h 38m

$239

PortlandMiami

PDX - MIA

PDXMIA

Portland

Sat 4/26

6:20 am-5:21 am

1 stop20h 01m

Miami

Fri 5/2

6:00 am-12:38 am

1 stop21h 38m

$240

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 6/4

5:40 pm-5:43 am

1 stop9h 03m

Miami

Mon 6/9

7:25 am-12:55 pm

1 stop8h 30m

$241

PortlandMiami

PDX - MIA

PDXMIA

Portland

Tue 4/29

7:01 pm-8:45 pm

2 stops22h 44m

Miami

Tue 5/6

8:58 am-4:45 pm

3 stops34h 47m

$242

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sun 4/20

6:39 am-6:59 pm

1 stop9h 20m

Miami

Thu 4/24

6:01 pm-9:59 pm

Nonstop6h 58m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 60 results
1
2
3
...
6

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 $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 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 April 2, 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.

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 2, 2025.
Read through reviews of airlines operating flights from Washington to Florida Keys, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,824 reviews
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,824 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 Spirit Airlines from $122 and Frontier from $125 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 $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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
Newark to Orlando flights
LaGuardia to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to West Palm Beach flights
Newark to Tampa flights
Dulles Intl to Miami flights
Los Angeles to Miami flights
Los Angeles to Orlando flights
Boston to Fort Lauderdale flights
Dallas/Fort Worth to Orlando flights
John F Kennedy Intl to Tampa flights
Boston to Miami flights
O'Hare Intl to Miami flights
LaGuardia to Tampa flights
Baltimore to Fort Lauderdale flights
Baltimore to Miami flights
Boston to Orlando flights
O'Hare Intl to Fort Lauderdale flights
Reagan-National to Miami flights
O'Hare Intl to Orlando flights
Dulles Intl to Fort Lauderdale flights
Newark to West Palm Beach flights
Philadelphia to Fort Lauderdale flights
Dallas/Fort Worth to Miami flights
Philadelphia to Miami flights
LaGuardia to West Palm Beach flights
Dulles Intl to Orlando flights
Philadelphia to Orlando flights
Atlanta to Miami flights
San Francisco to Miami flights
Dallas/Fort Worth to Fort Lauderdale flights
Seattle to Orlando flights
Boston to Tampa flights
Los Angeles to Fort Lauderdale flights
Baltimore to Orlando flights
Reagan-National to Tampa flights
Dulles Intl to Tampa flights
Detroit to Orlando flights
Atlanta to Fort Lauderdale flights
Providence to Orlando flights
Denver to Orlando flights
Hobby to Miami flights
Detroit to Miami flights
Reagan-National to Orlando flights

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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$633FlexibilityNo cancel feeOn-time71%
DeltaCheapest$473Average$875FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.