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$127+ Cheap flights from Florida Keys to Seattle (SEA)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Florida Keys to Seattle

Keep the following information in mind while searching for Florida Keys to Seattle flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$127
(Mytrip)

Popular in

May

Cheapest in

December

Average price

$471
Provider with most accurate pricing for Key West-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Key West-Seattle/Tacoma Intl flights.
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From Florida Keys to Seattle/Tacoma Intl
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One-way flight from Florida Keys to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 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 Florida Keys to Seattle

Cheapest flights from Florida Keys to Seattle
Explore the most affordable flight options available from Florida Keys to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amMIA - SEA
1 stop21h 44mFrontier
Sat 5/176:00 amSEA - MIA
1 stop20h 22mFrontier
Deal found 2/20$160
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/137:15 amMIA - SEA
2 stops14h 47mSpirit Airlines
Tue 3/187:57 pmSEA - MIA
2 stops10h 25mSpirit Airlines
Deal found 2/20$161
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/135:55 pmMIA - SEA
Nonstop7h 05mMultiple Airlines
Tue 3/187:57 pmSEA - MIA
2 stops10h 25mMultiple Airlines
Deal found 2/20$177
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/215:45 pmMIA - SEA
Nonstop6h 56mDelta
Tue 4/17:35 amSEA - MIA
Nonstop5h 57mDelta
Deal found 2/20$197
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.
Wed 3/125:55 pmMIA - SEA
Nonstop7h 05mAlaska Airlines
Sun 3/169:59 pmSEA - MIA
1 stop17h 48mAlaska Airlines
Deal found 2/20$227
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:30 pmMIA - SEA
Nonstop6h 34mAmerican Airlines
Wed 5/1412:24 amSEA - MIA
Nonstop5h 46mAmerican Airlines
Deal found 2/20$267
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:00 pmMIA - SEA
1 stop8h 50mUnited Airlines
Thu 5/156:15 amSEA - MIA
2 stops13h 14mUnited Airlines
Deal found 2/20$341
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.
Thu 3/612:45 pmEYW - SEA
1 stop10h 39mUnited Airlines
Mon 3/1011:25 pmSEA - EYW
1 stop10h 30mUnited Airlines
Deal found 2/18$369
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.
Thu 3/63:57 pmEYW - SEA
2 stops11h 59mAmerican Airlines
Mon 3/1010:00 pmSEA - EYW
1 stop11h 23mAmerican Airlines
Deal found 2/18$374
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:55 pmMIA - SEA
Nonstop7h 05mHawaiian Airlines
Tue 3/118:05 amSEA - MIA
1 stop7h 42mHawaiian Airlines
Deal found 2/19$387
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.
Tue 5/66:13 pmEYW - SEA
2 stops18h 45mDelta
Mon 5/129:20 pmSEA - EYW
2 stops16h 52mDelta
Deal found 2/19$394
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/512:10 pmMIA - SEA
1 stop13h 40mSun Country Air
Fri 7/2511:59 pmSEA - MIA
1 stop8h 11mSun Country Air
Deal found 2/20$405

Find flights from Florida Keys to Seattle within your budget

Customize your flight search to find flights from Florida Keys to Seattle 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

Florida Keys

Fly to

Seattle

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/1

6:00 am-12:44 am

1 stop21h 44m

Seattle/Tacoma Intl

Sat 5/17

6:00 am-5:22 am

1 stop20h 22m

$160

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 3/13

7:15 am-7:02 pm

2 stops14h 47m

Seattle/Tacoma Intl

Tue 3/18

7:57 pm-9:22 am

2 stops10h 25m

$161

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 3/13

5:55 pm-10:00 pm

Nonstop7h 05m

Seattle/Tacoma Intl

Tue 3/18

7:57 pm-9:22 am

2 stops10h 25m

$177

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 3/21

5:45 pm-9:41 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Mon 3/24

7:35 am-4:32 pm

Nonstop5h 57m

$197

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 3/12

5:55 pm-10:00 pm

Nonstop7h 05m

Seattle/Tacoma Intl

Sun 3/16

9:59 pm-6:47 pm

1 stop17h 48m

$227

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/8

7:30 pm-11:04 pm

Nonstop6h 34m

Seattle/Tacoma Intl

Wed 5/14

12:24 am-9:10 am

Nonstop5h 46m

$267

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/8

5:00 pm-10:50 pm

1 stop8h 50m

Seattle/Tacoma Intl

Thu 5/15

6:15 am-10:29 pm

2 stops13h 14m

$341

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Thu 3/6

12:45 pm-8:24 pm

1 stop10h 39m

Seattle/Tacoma Intl

Mon 3/10

11:25 pm-12:55 pm

1 stop10h 30m

$369

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Thu 3/6

3:57 pm-12:56 am

2 stops11h 59m

Seattle/Tacoma Intl

Mon 3/10

10:00 pm-12:23 pm

1 stop11h 23m

$374

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 3/6

5:55 pm-10:00 pm

Nonstop7h 05m

Seattle/Tacoma Intl

Tue 3/11

8:05 am-6:47 pm

1 stop7h 42m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 results
1
2
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Best time to book a flight from Florida Keys to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Travel insights for flights from Florida Keys to Seattle

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

What is the cheapest time of day to fly from EOA to SEA?

Find hourly flight availability from Florida Keys to Seattle. 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 Florida Keys to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Florida Keys to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

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 Florida Keys to Seattle. 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 into for flights to Seattle from Florida Keys?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from 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 Florida Keys to Seattle one-way?

    One-way options have recently been found by users for as low as $127 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $129 and Hawaiian Airlines from $139 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to Seattle 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 Florida Keys to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Florida Keys to Seattle (average of $238). Flying from Florida Keys to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Florida Keys?

Book flights to Florida Keys if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Florida Keys to Seattle

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 Seattle

Discover the top airline that operate flights from Florida Keys to Seattle. 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
American AirlinesCheapest$308Average$608FlexibilityNo cancel feeOn-time71%
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