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$64+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEA
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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The best prices from Key Largo to Seattle/Tacoma Intl are usually found in September or October, 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 4, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$122
(FareScan)

One-way from

$64
(Frontier)
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 15% 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 4, 2024.

This CheapOair deal was found by Cheapflights users on 11/3. 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 12/109:28 pmMIA - SEA
1 stop20h 25mMultiple Airlines
Thu 1/93:15 pmSEA - MIA
1 stop7h 39mMultiple Airlines
Deal found 11/3$215
This FareScan deal was found by Cheapflights users on 11/3. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:10 pmMIA - SEA
2 stops33h 00mSpirit Airlines
Wed 12/114:00 pmSEA - MIA
1 stop11h 57mSpirit Airlines
Deal found 11/3$217
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Thu 11/145:05 pmMIA - SEA
1 stop18h 15mFrontier
Mon 11/1810:25 amSEA - MIA
1 stop10h 34mFrontier
Deal found 11/4$238
This Delta deal was found by Cheapflights users on 11/3. 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 12/255:29 pmMIA - SEA
Nonstop7h 04mDelta
Mon 1/67:15 amSEA - MIA
Nonstop5h 50mDelta
Deal found 11/3$267
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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
Mon 1/69:59 pmSEA - MIA
1 stop17h 16mAlaska Airlines
Deal found 11/3$276
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Wed 12/251:05 pmMIA - SEA
1 stop12h 38mSun Country Air
Tue 12/316:34 pmSEA - MIA
1 stop13h 32mSun Country Air
Deal found 11/3$299
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/196:26 pmMIA - SEA
Nonstop6h 53mAmerican Airlines
Wed 1/812:45 amSEA - MIA
1 stop8h 46mAmerican Airlines
Deal found 11/3$311
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 11/231:05 pmMIA - SEA
1 stop12h 32mUnited Airlines
Sat 12/711:55 pmSEA - MIA
1 stop8h 31mUnited Airlines
Deal found 11/2$386

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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 12/4

6:10 pm-12:10 am

3 stops33h 00m

$123

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 11/20

5:00 pm-6:20 pm

1 stop28h 20m

$129

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 12/9

7:36 pm-11:28 pm

Nonstop6h 52m

$133

MiamiSeattle

MIA - SEA

MIASEA

Miami

Tue 1/21

5:15 pm-9:20 pm

Nonstop7h 05m

$134

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 11/11

9:50 pm-8:15 am

1 stop13h 25m

$141

MiamiSeattle

MIA - SEA

MIASEA

Miami

Wed 1/8

9:00 am-4:16 pm

1 stop10h 16m

$143

MiamiSeattle

MIA - SEA

MIASEA

Miami

Mon 12/23

5:35 pm-9:31 pm

Nonstop6h 56m

$159

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 12/14

8:05 pm-5:21 pm

1 stop24h 16m

$163

MiamiSeattle

MIA - SEA

MIASEA

Miami

Sat 1/11

7:00 am-5:30 pm

2 stops13h 30m

$183

MiamiSeattle

MIA - SEA

MIASEA

Miami

Thu 5/1

12:20 pm-9:29 pm

1 stop12h 09m

$205

Flights are sorted by cheapest first

Deals found on 11/3

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 1, 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.

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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 4, 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 Friday 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.

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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 4, 2024.
Read reviews from past customers who have flown Delta, Alaska Airlines and Frontier 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
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,089 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,423 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

JetBlue
7.5
Good
3,493 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.2

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. 8 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 2 inbound flights from Key Largo per day.

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

    Yes, there are multiple flights from Key Largo to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $122, but on average you can expect to pay $240.

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

    Cheapflights has at least 3 direct flights from Key Largo to Seattle under $300. A good price for a nonstop flight from Key Largo to Seattle is less than $286.

  • Are there last-minute flights available from Key Largo to Seattle for under $300?

    There are currently 8+ open flights from Key Largo to Seattle within the next 7 days for less than $300.

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

    Nonstop flights can be found on the following days: Tuesday, Wednesday, Saturday.

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

    Within the past month, 13 users have taken a look at flights from Key Largo to Seattle/Tacoma Intl.

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

    3 flight departures from Key Largo to Seattle per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from Key Largo to Seattle?

    Airlines like Spirit Airlines, Frontier, and Delta fly from Key Largo to Seattle in about 7h 04m. The time it takes to get you to your destination can typically vary by up to 22h 12m. Airlines will cover a distance of 2736 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $64 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $72 and $133, 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 (87%), Qatar Airways (87%) or GOL (87%) 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 $941, our data indicates the cheapest price to be $123. The most popular route (Miami - Seattle/Tacoma Intl), is priced around $176.

  • What does MIA to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Miami Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a MIA to SEA flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE), Boca Raton Airport (BCT).

  • Can I find deals for flights from Key Largo to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Key Largo to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Key Largo to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Key Largo to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Key Largo to Seattle that allow pets onboard?

    Many airlines flying from Key Largo to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Key Largo to Seattle?

    Yes, you can often find last-minute deals on Key Largo to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Key Largo to Seattle flight deals updated?

    The Key Largo to Seattle flight deals you see on this page were last updated on 11/4.

  • 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.

See more FAQs

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Top 7 airlines flying from Key Largo to Seattle

Discover the top 7 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$124Average$375FlexibilityNo cancel feeOn-time62%
FrontierCheapest$150Average$314FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$156Average$317FlexibilityNo cancel feeOn-time65%
DeltaCheapest$164Average$393FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$189Average$400FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$253Average$541FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$525FlexibilityNo cancel feeOn-time71%
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