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$119+ Cheap flights from Key Largo, FL 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Key Largo to Seattle/Tacoma Intl are usually found in October or September, booked 26 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Key Largo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Seattle (SEA). 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 November 21, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$215
(FlightHub)

One-way from

$119
(CheapOair)
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From Key Largo to Seattle/Tacoma Intl
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One-way flight from Key Largo to Seattle/Tacoma Intl
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Find flight deals from Key Largo to Seattle

Cheapest flights from Key Largo to Seattle
Explore the most affordable flight options available from Key Largo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:28 pmMIA - SEA
1 stop25h 58mMultiple Airlines
Mon 12/92:34 pmSEA - MIA
1 stop29h 49mMultiple Airlines
Deal found 11/19$215
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:28 pmMIA - SEA
1 stop20h 25mSpirit Airlines
Sat 12/144:00 pmSEA - MIA
1 stop11h 57mSpirit Airlines
Deal found 11/19$216
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 12/255:35 pmMIA - SEA
Nonstop6h 56mAlaska Airlines
Tue 1/77:56 amSEA - MIA
Nonstop5h 59mAlaska Airlines
Deal found 11/20$217
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:00 amMIA - SEA
1 stop30h 29mFrontier
Mon 12/92:34 pmSEA - MIA
1 stop29h 49mFrontier
Deal found 11/19$241
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/258:20 amMIA - SEA
Nonstop6h 53mAmerican Airlines
Fri 1/310:09 pmSEA - MIA
Nonstop5h 47mAmerican Airlines
Deal found 11/20$307
This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 12/205:29 pmMIA - SEA
Nonstop7h 04mDelta
Sat 1/47:25 amSEA - MIA
Nonstop5h 54mDelta
Deal found 11/19$337
This Sun Country Air deal was found by Cheapflights users on 11/20. 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.
Wed 12/251:05 pmMIA - SEA
1 stop12h 38mSun Country Air
Mon 12/306:20 pmSEA - MIA
1 stop13h 39mSun Country Air
Deal found 11/20$385

Find flights from Key Largo to Seattle within your budget

Customize your flight search to find flights from Key Largo 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 12/6

9:28 pm-8:26 pm

1 stop25h 58m

Seattle/Tacoma Intl

Mon 12/9

2:34 pm-11:23 pm

1 stop29h 49m

$215

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 12/10

9:28 pm-2:53 pm

1 stop20h 25m

Seattle/Tacoma Intl

Sat 12/14

4:00 pm-6:57 am

1 stop11h 57m

$216

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/25

5:35 pm-9:31 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Tue 1/7

7:56 am-4:55 pm

Nonstop5h 59m

$217

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/4

8:00 am-11:29 am

1 stop30h 29m

Seattle/Tacoma Intl

Mon 12/9

2:34 pm-11:23 pm

1 stop29h 49m

$241

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 1/21

5:15 pm-9:20 pm

Nonstop7h 05m

Seattle/Tacoma Intl

Tue 1/28

7:15 am-4:05 pm

Nonstop5h 50m

$257

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 1/21

7:30 pm-11:26 pm

Nonstop6h 56m

Seattle/Tacoma Intl

Sun 1/26

12:45 am-12:31 pm

1 stop8h 46m

$272

MiamiSeattle

MIA - SEA

MIASEA

Miami

Fri 1/24

4:49 pm-11:00 pm

1 stop9h 11m

Seattle/Tacoma Intl

Mon 1/27

6:10 am-10:15 pm

2 stops13h 05m

$281

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 4/30

12:20 pm-9:29 pm

1 stop12h 09m

Seattle/Tacoma Intl

Tue 5/6

10:39 pm-11:35 am

1 stop9h 56m

$369

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/25

1:05 pm-10:43 pm

1 stop12h 38m

Seattle/Tacoma Intl

Mon 12/30

6:20 pm-10:59 am

1 stop13h 39m

$385

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 12/17

9:28 pm-1:11 pm

1 stop18h 43m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 18 results
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Best time to book a flight from Key Largo to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Key Largo 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 Key Largo to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Seattle. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Key Largo to Seattle, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Key Largo to Seattle?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Seattle (average of $238). Flying from Key Largo 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.

What is the cheapest time of day to fly from KE9 to SEA?

Find hourly flight availability from Key Largo 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 November 21, 2024.

When flying from Key Largo to Seattle, 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 Key Largo to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Seattle. Price data was last updated on February 25, 2024.

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

Weekly flight availability from Key Largo to Seattle

Explore weekly flight availability from Key Largo to Seattle. 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 November 21, 2024.

The most flights from KE9 to SEA are scheduled on a Wednesday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 November 21, 2024.
Read reviews from past customers who have flown Spirit Airlines, Alaska Airlines and Delta from Key Largo to Seattle. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,395 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Key Largo to Seattle. 7 airlines have flights to Seattle/Tacoma Intl from Key Largo on a regular basis. Booking flights from Key Largo to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 3 inbound flights from Key Largo per day.

  • How popular is this Key Largo to Seattle flight route?

    Within the past month, 21 users have taken a look at flights from Key Largo to Seattle/Tacoma Intl.

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

    $119 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 Alaska Airlines, with prices starting from $122 and $129, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Key Largo to Seattle consider choosing American Airlines (93%), Qatar Airways (93%) or GOL (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Key Largo to Seattle?

    Looking for the cheapest flight from Key Largo to Seattle? While on average our users pay $716, our data indicates the cheapest price to be $125. The most popular route (Miami - Seattle/Tacoma Intl), is priced around $177.

  • Can I find deals for flights from Key Largo to Seattle that include hotel bookings?

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

  • How can I find direct flights from Key Largo to Seattle?

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

  • Can I find deals for business class flights from Key Largo to Seattle?

    Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Seattle (average of $238). Flying from Key Largo 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.

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Top 6 airlines flying from Key Largo to Seattle

Discover the top 6 airlines that operate flights from Key Largo 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$319FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$156Average$301FlexibilityNo cancel feeOn-time65%
DeltaCheapest$181Average$388FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$197Average$417FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$253Average$546FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$526FlexibilityNo cancel feeOn-time71%
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