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$89+ Cheap flights from Florida Keys to Washington

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Florida Keys to Washington

Cheapest flights from Florida Keys to Washington
Explore the most affordable flight options available from Florida Keys to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/227:05 amMIA - SEA
1 stop30h 06mFrontier
Tue 1/61:00 pmSEA - MIA
2 stops22h 34mFrontier
Deal found 12/15$217
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/227:05 amMIA - SEA
1 stop30h 06mMultiple Airlines
Tue 1/65:20 amSEA - MIA
1 stop7h 31mMultiple Airlines
Deal found 12/15$235
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/227:05 amMIA - SEA
1 stop30h 06mMultiple Airlines
Mon 1/55:20 amSEA - MIA
1 stop7h 31mMultiple Airlines
Deal found 12/15$245
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/259:25 amMIA - PDX
1 stop10h 46mAmerican Airlines
Sat 1/1011:01 pmPDX - MIA
Nonstop5h 33mAmerican Airlines
Deal found 12/15$253
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:05 amMIA - SEA
1 stop9h 25mFrontier
Tue 1/61:00 pmSEA - MIA
2 stops22h 34mFrontier
Deal found 12/15$266
This Orbitz deal was found by Cheapflights users on 12/17. 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.
Mon 12/227:05 amMIA - SEA
1 stop30h 06mMultiple Airlines
Wed 12/319:20 pmSEA - MIA
Nonstop5h 45mMultiple Airlines
Deal found 12/17$267
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:05 amMIA - SEA
1 stop9h 25mFrontier
Mon 1/52:54 pmSEA - MIA
2 stops24h 17mFrontier
Deal found 12/15$272
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/249:21 pmMIA - PDX
Nonstop6h 38mAmerican Airlines
Wed 12/3110:49 pmPDX - MIA
Nonstop5h 43mAmerican Airlines
Deal found 12/16$277
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:11 pmMIA - SEA
Nonstop6h 54mAlaska Airlines
Tue 1/65:20 amSEA - MIA
1 stop7h 31mAlaska Airlines
Deal found 12/15$279
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:05 amMIA - SEA
1 stop9h 25mMultiple Airlines
Tue 1/65:20 amSEA - MIA
1 stop7h 31mMultiple Airlines
Deal found 12/15$283
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/217:05 amMIA - SEA
1 stop30h 06mFrontier
Fri 1/2312:34 pmSEA - MIA
1 stop25h 38mFrontier
Deal found 12/17$285
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:11 pmMIA - SEA
Nonstop6h 54mAlaska Airlines
Mon 1/58:16 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Deal found 12/15$289

Find flight deals from Florida Keys to Washington

Keep the following information in mind while searching for Florida Keys to Washington flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$197
(American Airlines)

One-way from

$89
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$651
Provider with most accurate pricing for Key West-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Seattle/Tacoma Intl flights.
Search Deals
From Florida Keys to Washington
Search Deals
One-way flight from Florida Keys to Washington
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida Keys to Washington 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 December 18, 2025.
Use the filters below to find and compare flights from Florida Keys to Washington that are best for you.

Fly from

Florida Keys

Fly to

Washington

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 1/21

6:34 pm-10:29 pm

Nonstop6h 55m

Seattle/Tacoma Intl

Sun 1/25

8:44 am-5:34 pm

Nonstop5h 50m

$199

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/23

6:34 pm-10:29 pm

Nonstop6h 55m

Seattle/Tacoma Intl

Sun 1/25

8:44 am-5:34 pm

Nonstop5h 50m

$199

MiamiPortland

MIA - PDX

MIAPDX

Miami

Thu 1/15

7:55 pm-11:46 pm

Nonstop6h 51m

Portland

Thu 1/22

6:00 am-7:15 pm

1 stop10h 15m

$208

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 2/18

6:43 am-3:10 pm

1 stop11h 27m

Seattle/Tacoma Intl

Wed 2/25

8:40 am-5:24 pm

Nonstop5h 44m

$209

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/9

5:37 pm-9:35 pm

Nonstop6h 58m

Seattle/Tacoma Intl

Sun 1/11

6:05 am-5:35 pm

1 stop8h 30m

$209

MiamiPortland

MIA - PDX

MIAPDX

Miami

Wed 1/14

8:00 am-4:25 pm

1 stop11h 25m

Portland

Wed 1/21

5:30 am-4:27 pm

1 stop7h 57m

$215

MiamiPortland

MIA - PDX

MIAPDX

Miami

Thu 2/26

7:50 am-4:10 pm

1 stop11h 20m

Portland

Tue 3/3

6:25 am-5:52 pm

1 stop8h 27m

$215

MiamiPortland

MIA - PDX

MIAPDX

Miami

Thu 1/22

5:37 pm-12:17 am

1 stop9h 40m

Portland

Sun 1/25

5:30 am-4:27 pm

1 stop7h 57m

$216

MiamiPortland

MIA - PDX

MIAPDX

Miami

Thu 1/8

6:45 am-12:32 pm

1 stop8h 47m

Portland

Sun 1/11

6:00 am-5:35 pm

1 stop8h 35m

$216

MiamiPortland

MIA - PDX

MIAPDX

Miami

Tue 1/27

12:00 pm-7:13 pm

1 stop10h 13m

Portland

Sat 1/31

9:45 pm-9:24 am

1 stop8h 39m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

Have a flexible travel schedule? Discover the best time to fly to Washington from Florida Keys 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 Florida Keys to Washington
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Florida Keys to Washington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,479 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,054 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.8
Fair
3,080 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Washington. 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 Florida Keys to State of Washington?

    Airlines like Alaska Airlines, American Airlines, and Delta fly from Florida Keys to State of Washington in about 6h 51m. The time it takes to get you to your destination can typically vary by up to 4h 36m. Florida Keys and State of Washington are separated by a distance of 2695 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 Florida Keys to State of Washington one-way?

    One-way options have recently been found by users for as low as $70 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $93 and Alaska Airlines from $116 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Florida Keys to Washington

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

Discover the top airline that operate flights from Florida Keys to Washington. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$535FlexibilityNo cancel feeOn-time71%

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