HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$482+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SEL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Seoul 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 Key Largo to Seoul are usually found in January or October, 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 July 31, 2025.

Round-trip from

$786
(lol.travel)

One-way from

$482
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,209
From Key Largo to Seoul (SEL)
Search Deals
One-way flight from Key Largo to Seoul (SEL)
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:30 pmMIA - ICN
1 stop29h 00mAmerican Airlines
Thu 9/185:25 pmICN - MIA
1 stop20h 23mAmerican Airlines
Deal found 7/31$757
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:01 amMIA - GMP
2 stops21h 59mMultiple Airlines
Thu 9/187:55 amGMP - MIA
2 stops20h 48mMultiple Airlines
Deal found 7/31$804
This Tourvis deal was found by Cheapflights users on 7/30. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:45 pmMIA - ICN
1 stop34h 50mHawaiian Airlines
Sat 9/208:35 pmICN - MIA
1 stop34h 10mHawaiian Airlines
Deal found 7/30$807
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 9/1012:00 pmMIA - ICN
1 stop27h 00mDelta
Mon 9/154:25 pmICN - MIA
1 stop17h 58mDelta
Deal found 7/31$826
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:16 pmMIA - ICN
2 stops47h 04mUnited Airlines
Tue 9/3011:30 amICN - MIA
1 stop19h 03mUnited Airlines
Deal found 7/30$847
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:40 pmMIA - ICN
1 stop32h 30mAir Canada
Mon 11/106:55 pmICN - MIA
2 stops31h 04mAir Canada
Deal found 7/29$952
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:04 amMIA - GMP
2 stops22h 46mJapan Airlines
Wed 8/277:55 amGMP - MIA
2 stops24h 22mJapan Airlines
Deal found 7/31$963
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:30 pmMIA - ICN
1 stop29h 50mTurkish Airlines
Wed 12/310:45 amICN - MIA
1 stop47h 50mTurkish Airlines
Deal found 7/30$1,046

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 July 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 9/8

9:30 pm-3:30 pm

1 stop29h 00m

Incheon Intl

Thu 9/18

5:25 pm-12:48 am

1 stop20h 23m

$757

MiamiSeoul

MIA - GMP

MIAGMP

Miami

Mon 9/8

7:01 am-6:00 pm

2 stops21h 59m

Seoul Gimpo Intl

Thu 9/18

7:55 am-3:43 pm

2 stops20h 48m

$804

MiamiIncheon

MIA - ICN

MIAICN

Miami

Sat 9/13

6:45 pm-6:35 pm

1 stop34h 50m

Incheon Intl

Sat 9/20

8:35 pm-5:45 pm

1 stop34h 10m

$807

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 9/10

12:00 pm-4:00 am

1 stop27h 00m

Incheon Intl

Mon 9/15

4:25 pm-9:23 pm

1 stop17h 58m

$826

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 9/17

4:16 pm-4:20 am

2 stops47h 04m

Incheon Intl

Tue 9/30

11:30 am-5:33 pm

1 stop19h 03m

$847

MiamiIncheon

MIA - ICN

MIAICN

Miami

Sun 8/31

6:20 pm-4:05 pm

1 stop32h 45m

Incheon Intl

Tue 9/16

5:45 pm-1:20 pm

2 stops32h 35m

$955

MiamiSeoul

MIA - GMP

MIAGMP

Miami

Wed 8/20

10:04 am-9:50 pm

2 stops22h 46m

Seoul Gimpo Intl

Wed 8/27

7:55 am-7:17 pm

2 stops24h 22m

$963

MiamiIncheon

MIA - ICN

MIAICN

Miami

Sat 9/13

12:52 pm-6:45 pm

3 stops40h 53m

Incheon Intl

Sat 9/20

12:45 pm-9:01 am

2 stops33h 16m

$998

MiamiIncheon

MIA - ICN

MIAICN

Miami

Sun 10/26

11:30 pm-6:20 pm

1 stop29h 50m

Incheon Intl

Fri 10/31

12:10 am-9:35 pm

1 stop34h 25m

$1,123

MiamiIncheon

MIA - ICN

MIAICN

Miami

Wed 9/10

7:00 am-6:45 pm

2 stops46h 45m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 21 results
1
2
3

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 July 25, 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 $998). Flying from Key Largo to Seoul in December is currently the most expensive (average of $1,635). 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 July 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.

How much does it cost to fly round-trip from Key Largo to Seoul?

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 July 31, 2025.
See what other customers who have flown with Japan Airlines, Alaska Airlines, and Delta from Key Largo to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,536 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Alaska Airlines
8.0
Very good
10,000 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very good
7,981 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Hawaiian Airlines
7.8
Good
2,611 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Aeromexico
7.5
Good
1,721 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Comfort

8.2

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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?

    $493 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on Air Canada and Hawaiian Airlines, with prices starting from $493 and $501, 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 $998). Flying from Key Largo to Seoul in December is currently the most expensive (average of $1,635). 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 Key Largo to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Incheon Intl flights
Orlando to Gimpo Intl flights
Tampa to Incheon Intl flights
Miami to Incheon Intl flights
Miami to Gimpo Intl flights
Tampa to Gimpo Intl flights
Fort Lauderdale to Incheon Intl flights
Valparaiso to Incheon Intl flights
West Palm Beach to Incheon Intl flights
Fort Lauderdale to Gimpo Intl flights
Jacksonville to Incheon Intl flights
Jacksonville to Gimpo Intl flights
Gainesville to Incheon Intl flights
Daytona Beach to Incheon Intl flights
Fort Myers to Incheon Intl flights
Melbourne to Incheon Intl flights
Pensacola to Incheon Intl flights
Sarasota to Incheon Intl flights
Orlando to Busan flights
Miami to Daegu flights
Fort Lauderdale to Daegu flights
Miami to Cheongju flights
Orlando to Daegu flights

Top 5 airlines flying from Key Largo to Seoul

Discover the top 5 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$575Average$1,263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$660Average$1,498FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$789Average$1,161FlexibilityNo cancel feeOn-time67%
DeltaCheapest$872Average$1,323FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,052Average$1,481FlexibilityNo cancel feeOn-time81%

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.