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Cheap flights from Seoul to Key West from $1,711

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Key West departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seoul to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 pm - 3:06 pm
ICN
-
EYW
35h 06m
2 stops
United Airlines Logo
12:20 pm - 5:40 am
EYW
-
ICN
27h 20m
2 stops
$1,711United Airlines
Wed, Dec 2 - Sun, Dec 6

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Customize your flight search to find flights from Seoul to Key West 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, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Seoul to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IncheonKey West

ICN - EYW

ICNEYW

Incheon Intl

Wed 12/2

6:00 pm-3:06 pm

2 stops35h 06m

Key West

Sun 12/6

12:20 pm-5:40 am

2 stops27h 20m

$1,711

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seoul to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul to Key West (SEL to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Key West

Fastest flight time

35h 06m

Direct flights

None
The fastest flight from Seoul to Key West takes 35h 06m
There are no direct flights from Seoul to Key West. There are no popular flight routes from Seoul to Key West.
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Frequently asked questions about flying from Seoul to Key West

  • How far is Seoul to Key West by plane?

    There are 7750.5 mi between Seoul and Key West. 35h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seoul to Key West Airport?

    Prices for flights from Seoul to Key West Airport were last updated today.

  • How old do you have to be to fly from Seoul to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Seoul to Key West

  • How do I get Price Alerts for flights from Seoul to Key West?

    Price Alerts will notify you by email when the price for flights to Key West from Seoul decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Seoul to Key West with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to Key West for you.

Can I find flights from Seoul to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from Seoul with this policy.

How can momondo help me find flights from Seoul to Key West?

momondo helps you find the best flight between Seoul and Key West by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seoul to Key West right now. Can momondo alert me if prices change?

Price alerts on flights to Key West from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

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