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$119+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SEA
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(CheapOair)

One-way from

$119
(Alaska Airlines)

Popular in

May

Cheapest in

December

Average price

$553
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. 16% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This CheapOair deal was found by Cheapflights users on 4/21. 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.
Tue 5/136:00 amMIA - SEA
1 stop20h 49mFrontier
Wed 5/146:24 amSEA - MIA
1 stop19h 58mFrontier
Deal found 4/21$181
This CheapOair deal was found by Cheapflights users on 4/22. 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.
Wed 5/286:00 amMIA - SEA
1 stop20h 27mMultiple Airlines
Tue 6/103:20 pmSEA - MIA
1 stop11h 23mMultiple Airlines
Deal found 4/22$223
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Thu 5/156:21 pmMIA - SEA
Nonstop6h 39mHawaiian Airlines
Wed 5/218:25 amSEA - MIA
Nonstop5h 56mHawaiian Airlines
Deal found 4/22$233
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/131:05 pmMIA - SEA
2 stops11h 26mUnited Airlines
Wed 5/145:15 amSEA - MIA
1 stop8h 09mUnited Airlines
Deal found 4/21$262
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/218:55 pmMIA - SEA
1 stop30h 15mSpirit Airlines
Sun 5/253:20 pmSEA - MIA
1 stop11h 23mSpirit Airlines
Deal found 4/21$268
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/131:44 pmMIA - SEA
1 stop9h 38mAmerican Airlines
Tue 5/1312:24 amSEA - MIA
Nonstop5h 46mAmerican Airlines
Deal found 4/21$277
This eDestinos deal was found by Cheapflights users on 4/22. 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 5/226:21 pmMIA - SEA
Nonstop6h 39mAlaska Airlines
Thu 5/298:25 amSEA - MIA
Nonstop5h 56mAlaska Airlines
Deal found 4/22$287
This Delta deal was found by Cheapflights users on 4/22. 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 5/226:15 pmMIA - SEA
Nonstop6h 41mDelta
Mon 5/268:00 amSEA - MIA
Nonstop6h 04mDelta
Deal found 4/22$295
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:10 pmMIA - SEA
1 stop10h 20mSouthwest
Fri 9/269:10 pmSEA - MIA
1 stop13h 35mSouthwest
Deal found 4/22$322
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 8/173:03 pmEYW - SEA
1 stop10h 48mAmerican Airlines
Tue 8/265:38 amSEA - EYW
1 stop7h 32mAmerican Airlines
Deal found 4/22$492
This United Airlines deal was found by Cheapflights users on 4/22. 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 8/171:00 pmEYW - SEA
3 stops32h 58mUnited Airlines
Tue 8/2611:54 pmSEA - EYW
2 stops29h 06mUnited Airlines
Deal found 4/22$515
This Delta deal was found by Cheapflights users on 4/22. 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 6/137:10 amEYW - SEA
2 stops10h 35mDelta
Fri 6/209:40 pmSEA - EYW
1 stop10h 13mDelta
Deal found 4/22$696

Cheapflights Fare Finder

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 April 22, 2025.
Use the filters below to find and compare flights from Florida Keys to Seattle that are best for you.

Fly from

Florida Keys

Fly to

Seattle

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 5/13

6:00 am-11:49 pm

1 stop20h 49m

Seattle/Tacoma Intl

Wed 5/14

6:24 am-5:22 am

1 stop19h 58m

$181

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/29

6:21 pm-10:00 pm

Nonstop6h 39m

Seattle/Tacoma Intl

Wed 6/4

6:25 am-6:30 am

1 stop21h 05m

$219

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/29

6:21 pm-10:00 pm

Nonstop6h 39m

Seattle/Tacoma Intl

Wed 6/4

8:25 am-5:21 pm

Nonstop5h 56m

$236

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/29

7:34 pm-11:07 pm

Nonstop6h 33m

Seattle/Tacoma Intl

Tue 6/3

12:24 am-9:10 am

Nonstop5h 46m

$239

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 5/16

6:21 pm-10:00 pm

Nonstop6h 39m

Seattle/Tacoma Intl

Wed 5/21

8:25 am-5:21 pm

Nonstop5h 56m

$257

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 6/4

6:15 pm-9:56 pm

Nonstop6h 41m

Seattle/Tacoma Intl

Thu 6/12

8:00 am-5:03 pm

Nonstop6h 03m

$267

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 5/21

8:55 pm-12:10 am

1 stop30h 15m

Seattle/Tacoma Intl

Sun 5/25

3:20 pm-5:43 am

1 stop11h 23m

$268

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/15

4:40 pm-12:59 am

1 stop11h 19m

Seattle/Tacoma Intl

Mon 5/19

5:13 pm-9:10 am

2 stops12h 57m

$362

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Sun 8/17

3:03 pm-10:51 pm

1 stop10h 48m

Seattle/Tacoma Intl

Tue 8/26

5:38 am-4:10 pm

1 stop7h 32m

$492

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Sun 8/17

1:00 pm-6:58 pm

3 stops32h 58m

Seattle/Tacoma Intl

Tue 8/26

11:54 pm-8:00 am

2 stops29h 06m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 25 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.

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to Seattle

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 April 22, 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 April 22, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta 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
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

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 $119 on Alaska Airlines. Other airlines that offer cheap prices include Frontier from $120 and United Airlines from $129 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
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$587FlexibilityNo cancel feeOn-time71%

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