Cheap flights from Seattle (SEA) to Key Largo, FL from $45

This is the cheapest one-way flight price, found on 11/28. Prices may vary by date and flight preferences.
SEA — MIA
dic. 5 — dic. 121

The best prices from Seattle/Tacoma Intl to Key Largo are usually found in September or January, booked 55 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Flights from Key Largo to Seattle

How to find the cheapest flight from Seattle (SEA) to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 30, 2023.

Popular in

December

Cheapest in

September

Round-trip from

$208

One-way from

$129
High demand for flights, 20% potential price rise
Best time to find cheap flights, 29% potential price drop
From Seattle/Tacoma Intl to Key Largo
One-way flight from Seattle/Tacoma Intl to Key Largo

SEA - MIA

Price

$208 - $479

MIA

Temperature

68 - 84.2 °F

MIA

Rainfall

1.6 - 9.9 inches

How far in advance should I book a flight from Seattle to Key Largo?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 110% on flights from Seattle to Key Largo compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $456. For sooner than that we have options available in the next 3 days from $776.

What is the cheapest month to fly from Seattle to Key Largo?

September can be a great time to fly to Key Largo from Seattle with a flight ticket averaging about $419. Cheapflights users have found deals in the month of September for as cheap as $128. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Seattle to Key Largo (SEA - KE9)?

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

Cheap American Airlines flights from Seattle to Key Largo

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Key Largo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
Peruse some of the lowest-priced American Airlines flights we've found from Seattle to Key Largo. Deals update often to give you more flight options matching your criteria

Cheap Frontier flights from Seattle to Key Largo

Explore cheap flight options specifically provided by Frontier for the route between Seattle and Key Largo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
Some of the lowest-priced Frontier flights we've found at this time heading from Seattle to Key Largo. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Seattle to Key Largo flights in November & December 2023

Find cheap flight options from Seattle to Key Largo specifically for the months of November and December 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,965,316 searches. Prices were last updated on noviembre 30, 2023.
Listed are some of the best fares we've found on flights departing from Seattle to Key Largo in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Seattle to Key Largo 2023 flight deals

Discover exclusive flight deals for travel between Seattle and Key Largo in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
Listed are some of the best fares we've found on flights departing from Seattle to Key Largo in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Key Largo from Seattle

Discover non-stop flight options from Seattle to Key Largo. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
To help reduce your travel time, choose from one of these non-stop flights from Seattle to Key Largo. Users seeking other options on flights from Seattle to Key Largo should update the search form at the top of the page.

Seattle to Key Largo flights leaving soon

Find last-minute flight options from Seattle to Key Largo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
Users seeking a last-minute flight from Seattle to Key Largo should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.

One-way flights to Key Largo from Seattle

Search for one-way flight options from Seattle to Key Largo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,965,316 searches. Data last updated noviembre 30, 2023.
If you're seeking multiple options on one-way flights from Seattle to Key Largo, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Seattle to Key Largo should utilize the search form at the the top of the page.

Find flights from Seattle to Key Largo within your budget

Customize your flight search to find flights from Seattle to Key Largo 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 2,965,316 searches. Data last updated noviembre 30, 2023.

Fly from

Any airport

Fly to

Any airport

Budget

$158 - $362

Route

Depart

Return

Price

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

mié. 2/21

1 stop15h 29m

Miami

sáb. 3/2

1 stop16h 11m

$158

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

sáb. 1/20

2 stops22h 47m

Miami

mié. 1/24

1 stop12h 44m

$173

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

lun. 1/22

2 stops18h 45m

Miami

jue. 1/25

1 stop12h 36m

$176

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

lun. 1/8

1 stop15h 46m

Miami

mié. 1/10

2 stops19h 49m

$181

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

lun. 1/8

1 stop16h 17m

Miami

mié. 1/17

1 stop17h 10m

$211

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

lun. 1/22

1 stop9h 21m

Miami

dom. 1/28

1 stop9h 35m

$257

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

dom. 1/28

Nonstop5h 55m

Miami

mar. 1/30

Nonstop6h 51m

$258

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

vie. 1/12

1 stop7h 44m

Miami

lun. 1/22

Nonstop6h 57m

$286

Seattle/Tacoma IntlMiami

SEA - MIA

SEAMIA

Seattle/Tacoma Intl

jue. 1/11

1 stop8h 38m

Miami

mar. 1/16

2 stops13h 09m

$362

Flights are sorted by cheapest first

Deals found on 11/29

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated noviembre 30, 2023.
Read reviews from past customers who have flown American Airlines, Frontier and Alaska Airlines from Seattle to Key Largo. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

8.0
Very good
1,399 reviews
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

7.9
Good
3,035 reviews
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

7.4
Good
94 reviews
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

7.4
Good
1,897 reviews
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

7.2
Good
2,645 reviews
8.0
Very good
1,399 reviews

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Related info for your journey

Find useful and relevant information for your journey from Seattle to Key Largo. 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 Key Largo?

Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Key Largo. You should not have trouble finding flights to Key Largo from Seattle/Tacoma Intl; the airport handles an average of 3 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Seattle airport to Key Largo. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

Can I find flights from Seattle to Key Largo for under $200 on Cheapflights?

Yes, there are multiple flights from Seattle to Key Largo for under $200. The cheapest flight booked recently is on Frontier for just $158, but on average you can expect to pay $194.

Are there nonstop flights from Seattle to Key Largo for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Key Largo under $300. A good price for a nonstop flight from Seattle to Key Largo is less than $352.

Are there last-minute flights available from Seattle to Key Largo for under $200?

There are currently 20+ open flights from Seattle to Key Largo within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to Key Largo?

Nonstop flights are available for this route on the following days: Thursday.

How popular is this Seattle to Key Largo flight route?

How many flights depart from Seattle to Key Largo on average per day?

Per day, 2 flights depart from Seattle to Key Largo on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Seattle to Key Largo?

Departing from Seattle to Key Largo will take you 15h 29m. There are 2736 mi between Seattle and Key Largo. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Seattle to Key Largo one-way?

$45 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $79 and $129, respectively.

What are the most popular airlines that fly from Seattle to Key Largo?

What are the most reliable airlines from Seattle to Key Largo?

Before booking your flight to Key Largo from Seattle, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (82%), Air Tahiti Nui (82%), American Airlines( 71%).

What are the cheapest flights from Seattle to Key Largo?

The cheapest flight price from Seattle to Key Largo is $159. On average you can expect to pay $1,049. The most popular route, (Seattle/Tacoma Intl - Miami), can usually be booked for $159.

What does SEA to MIA mean?

This is defined as Seattle/Tacoma Intl Airport (SEA) and Miami Airport (MIA). Codes like Miami Airport are often used to just call airports uniquely. Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE) are some additional IATA codes for airports related to your trip.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to Key Largo

Discover the top 8 airlines that operate flights from Seattle to Key Largo. 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 2,965,316 searches. Data last updated noviembre 30, 2023.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$296FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$97Average$188FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$127Average$317FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest$129Average$440FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$135Average$388FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$154Average$528FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Sun Country AirCheapest$196Average$497FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
American AirlinesCheapest$259Average$531FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights to Key Largo by cabin class

Hourly flight availability from Seattle to Key Largo

Find hourly flight availability from Seattle to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 30, 2023.
12%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
40%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Key Largo

Explore weekly flight availability from Seattle to Key Largo. 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 noviembre 30, 2023.
Sunday3daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Key Largo?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Key Largo from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Key Largo?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Key Largo with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Key Largo with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Key Largo become cheaper?

Of course! You can now track prices for flights from Seattle to Key Largo and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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