HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Marco Island

$114+ Cheap flights from Seattle (SEA) to Marco Island, FL

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MIA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Marco Island 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.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Marco Island are usually found in September or January, booked 42 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Marco Island

Keep the following information in mind while searching for Seattle to Marco Island flight deals. Data was last updated June 12, 2025.

Round-trip from

$197
(Delta)

One-way from

$114
(Delta)

Popular in

December

Cheapest in

September

Average price

$428
From Seattle/Tacoma Intl to Marco Island
Search Deals
One-way flight from Seattle/Tacoma Intl to Marco Island
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Seattle to Marco Island

Cheapest flights from Seattle to Marco Island
Explore the most affordable flight options available from Seattle to Marco Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 8/265:45 pmSEA - MIA
1 stop9h 42mDelta
Tue 9/27:50 amMIA - SEA
1 stop9h 48mDelta
Deal found 6/11$197
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 9/49:20 amSEA - MIA
1 stop8h 25mSouthwest
Mon 9/84:40 pmMIA - SEA
1 stop8h 05mSouthwest
Deal found 6/9$205
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/28:25 amSEA - MIA
Nonstop5h 55mHawaiian Airlines
Tue 7/156:20 pmMIA - SEA
Nonstop6h 40mHawaiian Airlines
Deal found 6/11$206
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/58:25 amSEA - MIA
Nonstop5h 55mAlaska Airlines
Tue 8/126:20 pmMIA - SEA
Nonstop6h 40mAlaska Airlines
Deal found 6/10$211
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amSEA - MIA
1 stop21h 19mFrontier
Sat 10/116:35 pmMIA - SEA
1 stop8h 56mFrontier
Deal found 6/11$230
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Thu 7/105:30 pmSEA - MIA
1 stop9h 08mSpirit Airlines
Thu 7/177:00 amMIA - SEA
1 stop12h 25mSpirit Airlines
Deal found 6/11$241
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/278:08 pmSEA - MIA
Nonstop5h 52mAmerican Airlines
Mon 9/18:43 pmMIA - SEA
Nonstop6h 31mAmerican Airlines
Deal found 6/11$245
This Expedia deal was found by Cheapflights users on 6/11. 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 7/95:30 pmSEA - MIA
1 stop9h 08mMultiple Airlines
Wed 7/166:20 pmMIA - SEA
Nonstop6h 40mMultiple Airlines
Deal found 6/11$250
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 10/3111:50 pmSEA - MIA
1 stop8h 59mUnited Airlines
Tue 11/43:45 pmMIA - SEA
1 stop10h 25mUnited Airlines
Deal found 6/11$262
This Sun Country Air deal was found by Cheapflights users on 6/10. 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.
Fri 12/56:30 pmSEA - MIA
1 stop13h 51mSun Country Air
Thu 12/1811:57 amMIA - SEA
1 stop13h 51mSun Country Air
Deal found 6/10$365

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Marco Island 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to Marco Island that are best for you.

Fly from

Seattle

Fly to

Marco Island

Route

Depart

Return

Price

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/26

5:45 pm-6:27 am

1 stop9h 42m

Miami

Tue 9/2

7:50 am-2:38 pm

1 stop9h 48m

$197

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 9/4

9:20 am-8:45 pm

1 stop8h 25m

Miami

Mon 9/8

4:40 pm-9:45 pm

1 stop8h 05m

$205

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 7/2

8:25 am-5:20 pm

Nonstop5h 55m

Miami

Tue 7/15

6:20 pm-10:00 pm

Nonstop6h 40m

$206

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Tue 8/5

8:25 am-5:20 pm

Nonstop5h 55m

Miami

Tue 8/12

6:20 pm-10:00 pm

Nonstop6h 40m

$211

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Sat 10/4

6:00 am-6:19 am

1 stop21h 19m

Miami

Sat 10/11

6:35 pm-12:31 am

1 stop8h 56m

$230

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-5:38 am

1 stop9h 08m

Miami

Thu 7/17

7:00 am-4:25 pm

1 stop12h 25m

$241

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 8/27

8:08 pm-5:00 am

Nonstop5h 52m

Miami

Mon 9/1

8:43 pm-12:14 am

Nonstop6h 31m

$245

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-5:38 am

1 stop9h 08m

Miami

Wed 7/16

6:20 pm-10:00 pm

Nonstop6h 40m

$250

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 10/31

11:50 pm-11:49 am

1 stop8h 59m

Miami

Tue 11/4

3:45 pm-11:10 pm

1 stop10h 25m

$262

SeattleMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

Fri 12/5

6:30 pm-11:21 am

1 stop13h 51m

Miami

Thu 12/18

11:57 am-10:48 pm

1 stop13h 51m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Seattle to Marco Island

Have a flexible travel schedule? Discover the best time to fly to Marco Island from Seattle 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 Seattle to Marco Island

How far ahead should I book a flight from Seattle to Marco Island?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Marco Island. Price data was last updated on June 9, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Marco Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Marco Island?

Currently, September is the cheapest month in which you can book a flight from Seattle to Marco Island (average of $228). Flying from Seattle to Marco Island in March is currently the most expensive (average of $289). 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 SEA to MA9?

Find hourly flight availability from Seattle to Marco Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Seattle to Marco Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Seattle to Marco Island?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Marco Island. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Marco Island flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Marco Island

Explore weekly flight availability from Seattle to Marco Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SEA to MA9 are scheduled on a Thursday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Marco Island by month

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

In terms of precipitation, rainfall in Marco Island 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 Marco Island when rainfall is around 1.6 in.

Temperature in Marco Island by month

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

If weather is an important factor for your trip to Marco Island, 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 Marco Island

Get insights into the airlines that provide service to Marco Island. 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 Marco Island. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Marco Island to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Marco Island. 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 from for flights from Seattle to Marco Island?

    If you book a flight to Marco Island from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 5 flights from Seattle/Tacoma Intl to Marco Island per day from 10 different airlines.

  • How popular is this Seattle to Marco Island flight route?

    Within the past month, 46 users have taken a look at flights from Seattle/Tacoma Intl to Marco Island.

  • What are the cheapest airlines to fly from Seattle to Marco Island one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $114. However, be on the lookout for offers from Alaska Airlines and Spirit Airlines, as they are both options that can get you from Seattle to Marco Island for a low price.

  • What are the most reliable airlines from Seattle to Marco Island?

    Before booking your flight to Marco Island from Seattle, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (92%), Delta (92%), Alaska Airlines( 89%).

  • What are the cheapest flights from Seattle to Marco Island?

    Looking for the cheapest flight from Seattle to Marco Island? While on average our users pay $742, our data indicates the cheapest price to be $118. The most popular route (Seattle/Tacoma Intl - Miami), is priced around $177.

  • Can I find deals for flights from Seattle to Marco Island that include hotel bookings?

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

  • How can I find direct flights from Seattle to Marco Island?

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

  • Can I find deals for business class flights from Seattle to Marco Island?

    Yes. Cheapflights offers flight deals from Seattle to Marco Island 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 Seattle to Marco Island?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Marco Island (average of $228). Flying from Seattle to Marco Island in March is currently the most expensive (average of $289). 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 Seattle to Marco Island

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Orlando flights
Seattle to Miami flights
Seattle to Fort Lauderdale flights
Portland to Orlando flights
Seattle to Tampa flights
Seattle to Jacksonville flights
Portland to Miami flights
Portland to Tampa flights
Seattle to Pensacola flights
Portland to Fort Lauderdale flights
Seattle to Fort Myers flights
Seattle to West Palm Beach flights
Portland to Jacksonville flights
Seattle to Panama City flights
Spokane to Orlando flights
Seattle to Valparaiso flights
Portland to Pensacola flights
Seattle to Sarasota flights
Portland to Fort Myers flights
Portland to Panama City flights
Seattle to Tallahassee flights
Spokane to Tampa flights
Portland to Sarasota flights
Spokane to Jacksonville flights
Pasco to Orlando flights
Spokane to Miami flights
Spokane to Fort Lauderdale flights
Wenatchee to Orlando flights
Seattle to Key West flights
Portland to West Palm Beach flights
Pasco to Tampa flights
Portland to Valparaiso flights
Portland to Key West flights
Portland to Melbourne flights
Seattle to Daytona Beach flights
Portland to Daytona Beach flights
Seattle to Melbourne flights
Seattle to Gainesville flights
Wenatchee to Fort Lauderdale flights
Pasco to Miami flights
Wenatchee to Tampa flights
Spokane to Fort Myers flights
Spokane to Tallahassee flights
Pasco to Pensacola flights
Spokane to Valparaiso flights
Spokane to Daytona Beach flights
Portland to Gainesville flights
Walla Walla to Orlando flights
Spokane to Pensacola flights
Bellingham to Orlando flights

Top 10 airlines flying from Seattle to Marco Island

Discover the top 10 airlines that operate flights from Seattle to Marco Island. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$317FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$127Average$266FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$250FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$156Average$253FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$162Average$388FlexibilityNo cancel feeOn-time83%
DeltaCheapest$196Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$233Average$405FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$443FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$249Average$530FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$286Average$497FlexibilityNo cancel feeOn-time63%

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.