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$490+ Cheap flights from Key Largo, FL to Seoul (SEL)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Seoul are usually found in February or January, booked 62 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Key Largo to Seoul

Keep the following information in mind while searching for Key Largo to Seoul flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$973
(eDestinos)

One-way from

$503
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,162
Provider with most accurate pricing for Miami-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Miami-Seoul (SEL) flights.
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From Key Largo to Seoul (SEL)
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One-way flight from Key Largo to Seoul (SEL)
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Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Key Largo to Seoul

Cheapest flights from Key Largo to Seoul
Explore the most affordable flight options available from Key Largo to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:15 pmMIA - ICN
1 stop30h 25mTurkish Airlines
Wed 9/1010:20 amICN - MIA
1 stop47h 00mTurkish Airlines
Deal found 3/30$973
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:25 pmMIA - ICN
1 stop32h 40mAir Canada
Mon 5/55:45 pmICN - MIA
2 stops32h 33mAir Canada
Deal found 3/30$1,003
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 5/125:15 pmMIA - ICN
2 stops33h 05mMultiple Airlines
Sun 5/184:20 pmICN - MIA
2 stops35h 00mMultiple Airlines
Deal found 3/31$1,004
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:05 pmMIA - ICN
2 stops41h 40mWestJet
Mon 9/298:45 pmICN - MIA
2 stops39h 16mWestJet
Deal found 3/30$1,145
This Delta deal was found by Cheapflights users on 3/31. 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 10/146:00 amMIA - ICN
1 stop19h 10mDelta
Wed 10/295:50 pmICN - MIA
1 stop20h 02mDelta
Deal found 3/31$1,206
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 10/115:55 pmMIA - ICN
1 stop35h 55mAlaska Airlines
Mon 10/278:50 pmICN - MIA
1 stop33h 05mAlaska Airlines
Deal found 3/31$1,283
This Mytrip deal was found by Cheapflights users on 3/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:15 pmMIA - GMP
2 stops24h 30mJapan Airlines
Wed 9/247:55 amGMP - MIA
2 stops20h 49mJapan Airlines
Deal found 3/29$1,379
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:35 amMIA - ICN
1 stop30h 45mUnited Airlines
Sun 5/254:50 pmICN - MIA
1 stop27h 40mUnited Airlines
Deal found 3/31$1,379
This Philippine Airlines deal was found by Cheapflights users on 3/31. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:00 amMIA - ICN
2 stops47h 20mPhilippine Airlines
Wed 4/238:30 pmICN - MIA
2 stops47h 12mPhilippine Airlines
Deal found 3/31$1,417
This Japan Airlines deal was found by Cheapflights users on 3/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:30 pmMIA - GMP
2 stops24h 15mMultiple Airlines
Wed 9/1012:05 pmGMP - MIA
2 stops22h 45mMultiple Airlines
Deal found 3/30$1,420
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/213:37 pmMIA - ICN
1 stop34h 53mAmerican Airlines
Tue 4/295:25 pmICN - MIA
1 stop28h 19mAmerican Airlines
Deal found 3/30$1,467
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/308:40 amMIA - GMP
2 stops37h 25mANA
Mon 7/147:55 pmGMP - MIA
2 stops32h 56mANA
Deal found 3/30$2,538

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Seoul 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 March 31, 2025.
Use the filters below to find and compare flights from Key Largo to Seoul that are best for you.

Fly from

Key Largo

Fly to

Seoul

Route

Depart

Return

Price

MiamiIncheon

MIA - ICN

MIAICN

Miami

Mon 9/1

10:15 pm-5:40 pm

1 stop30h 25m

Incheon Intl

Wed 9/10

10:20 am-8:20 pm

1 stop47h 00m

$973

MiamiIncheon

MIA - ICN

MIAICN

Miami

Sat 4/19

6:25 pm-4:05 pm

1 stop32h 40m

Incheon Intl

Mon 5/5

5:45 pm-1:18 pm

2 stops32h 33m

$1,003

MiamiIncheon

MIA - ICN

MIAICN

Miami

Mon 5/12

5:15 pm-3:20 pm

2 stops33h 05m

Incheon Intl

Sun 5/18

4:20 pm-2:20 pm

2 stops35h 00m

$1,004

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 9/17

12:05 pm-6:45 pm

2 stops41h 40m

Incheon Intl

Mon 9/29

8:45 pm-11:01 pm

2 stops39h 16m

$1,145

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 9/17

8:05 am-4:25 pm

1 stop19h 20m

Incheon Intl

Mon 9/29

7:40 pm-6:07 am

1 stop23h 27m

$1,206

MiamiSeoul

MIA - GMP

MIAGMP

Miami

Wed 9/10

9:15 pm-10:45 am

2 stops24h 30m

Seoul Gimpo Intl

Wed 9/24

7:55 am-3:44 pm

2 stops20h 49m

$1,379

MiamiIncheon

MIA - ICN

MIAICN

Miami

Thu 5/8

8:35 am-4:20 am

1 stop30h 45m

Incheon Intl

Sun 5/25

4:50 pm-7:30 am

1 stop27h 40m

$1,379

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 4/16

7:00 am-7:20 pm

2 stops47h 20m

Incheon Intl

Wed 4/23

8:00 am-8:18 pm

2 stops49h 18m

$1,417

MiamiSeoul

MIA - GMP

MIAGMP

Miami

Mon 9/1

9:30 pm-10:45 am

2 stops24h 15m

Seoul Gimpo Intl

Wed 9/10

12:05 pm-9:50 pm

2 stops22h 45m

$1,420

MiamiIncheon

MIA - ICN

MIAICN

Miami

Mon 4/21

3:37 pm-3:30 pm

1 stop34h 53m

Incheon Intl

Tue 4/29

5:25 pm-8:44 am

1 stop28h 19m

$1,467

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 23 results
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Best time to book a flight from Key Largo to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Seoul

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Seoul. Price data was last updated on March 28, 2025.

The price you pay for your flight from Key Largo to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Key Largo to Seoul (average of $1,002). Flying from Key Largo to Seoul in June is currently the most expensive (average of $1,661). 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 SEL?

Find hourly flight availability from Key Largo to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

When flying from Key Largo to Seoul, 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 Seoul?

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

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

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

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

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated March 31, 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines and ANA from Key Largo to Seoul to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
831 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,192 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,899 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $521 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and Korean Air, with prices starting from $644 and $674, respectively.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Key Largo to Seoul (average of $1,002). Flying from Key Largo to Seoul in June is currently the most expensive (average of $1,661). 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 6 airlines flying from Key Largo to Seoul

Discover the top 6 airlines that operate flights from Key Largo to Seoul. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$575Average$1,277FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$789Average$1,131FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$876Average$1,453FlexibilityNo cancel feeOn-time69%
DeltaCheapest$881Average$1,323FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,062Average$1,768FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,079Average$1,590FlexibilityNo cancel feeOn-time77%
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