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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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SEA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$170
(Priceline)

One-way from

$119
(Delta)

Popular in

November

Cheapest in

December

Average price

$587
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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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 7/287:15 amMIA - SEA
1 stop9h 51mFrontier
Thu 7/317:48 pmSEA - MIA
1 stop7h 42mFrontier
Deal found 6/29$170
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/146:20 pmMIA - SEA
Nonstop6h 47mHawaiian Airlines
Wed 8/208:25 amSEA - MIA
Nonstop6h 06mHawaiian Airlines
Deal found 6/30$182
This iWofly deal was found by Cheapflights users on 6/29. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:20 pmMIA - SEA
Nonstop6h 47mAlaska Airlines
Wed 8/208:25 amSEA - MIA
Nonstop6h 06mAlaska Airlines
Deal found 6/29$189
This Priceline deal was found by Cheapflights users on 6/29. 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 7/217:00 amMIA - SEA
1 stop12h 25mMultiple Airlines
Thu 7/317:48 pmSEA - MIA
1 stop7h 42mMultiple Airlines
Deal found 6/29$206
This Southwest deal was found by Cheapflights users on 6/29. 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 8/224:40 pmMIA - SEA
1 stop8h 05mSouthwest
Mon 8/255:00 amSEA - MIA
1 stop7h 15mSouthwest
Deal found 6/29$217
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 10/296:00 pmEYW - SEA
1 stop9h 11mDelta
Sat 11/112:00 pmSEA - EYW
2 stops20h 59mDelta
Deal found 6/30$387
This American Airlines deal was found by Cheapflights users on 6/30. 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 10/292:14 pmEYW - SEA
1 stop11h 04mAmerican Airlines
Sat 11/110:01 pmSEA - EYW
1 stop11h 12mAmerican Airlines
Deal found 6/30$409
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:12 pmEYW - SEA
3 stops37h 47mUnited Airlines
Tue 8/127:34 pmSEA - EYW
2 stops14h 38mUnited Airlines
Deal found 7/1$654

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 July 1, 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

Mon 7/28

7:15 am-2:06 pm

1 stop9h 51m

Seattle/Tacoma Intl

Thu 7/31

7:48 pm-6:30 am

1 stop7h 42m

$170

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 8/14

6:20 pm-10:07 pm

Nonstop6h 47m

Seattle/Tacoma Intl

Wed 8/20

8:25 am-5:31 pm

Nonstop6h 06m

$182

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 8/13

6:20 pm-10:07 pm

Nonstop6h 47m

Seattle/Tacoma Intl

Wed 8/20

8:25 am-5:31 pm

Nonstop6h 06m

$189

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 7/21

7:00 am-4:25 pm

1 stop12h 25m

Seattle/Tacoma Intl

Thu 7/31

7:48 pm-6:30 am

1 stop7h 42m

$206

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 8/22

4:40 pm-9:45 pm

1 stop8h 05m

Seattle/Tacoma Intl

Mon 8/25

5:00 am-3:15 pm

1 stop7h 15m

$217

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Wed 10/29

6:00 pm-12:11 am

1 stop9h 11m

Seattle/Tacoma Intl

Sat 11/1

12:00 pm-11:59 am

2 stops20h 59m

$387

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Wed 10/29

2:14 pm-10:18 pm

1 stop11h 04m

Seattle/Tacoma Intl

Sat 11/1

10:01 pm-12:13 pm

1 stop11h 12m

$409

Key WestSeattle

EYW - SEA

EYWSEA

Key West

Tue 7/22

2:12 pm-12:59 am

3 stops37h 47m

Seattle/Tacoma Intl

Tue 8/12

7:34 pm-1:12 pm

2 stops14h 38m

$654

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 8/26

6:45 pm-10:23 pm

Nonstop6h 38m

$119

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 7/17

7:15 am-2:06 pm

1 stop9h 51m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 20 results
1
2

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 July 1, 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.

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 July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Florida Keys to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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 Delta. 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 $390). 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
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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.

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$587FlexibilityNo cancel feeOn-time71%

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