Skyscanner home

Cheap Flights from Castries to Seoul

Compare Castries to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

Book the best Seoul fare with no extra fees

Flight deals from Castries to Seoul

Looking for a cheap last-minute deal or the best round-trip flight from Castries to Seoul? Find the lowest prices on one-way and round-trip tickets right here.

Alternative Castries to Seoul routes

Looking for the cheapest, fastest or easiest route from Castries to Seoul? You could fly into the following airports instead.

Gimpo International

11 miles from central Seoul
Closest
Search flights

Incheon International

30 miles from central Seoul
Search flights

Check out these Seoul hotels

Ready to plan your stay? Other travelers rate these Seoul hotels for cleanliness, service, and location.
TwoTwo House
2.93 miles from city center
$21
Per night
OPPA Hostel Sinchon-Hongdae
2.26 miles from city center
$26
Per night
SeoulPapa Guesthouse
2.97 miles from city center
$16
Per night
TwoTwo House
2.93 miles from city center
$21
Per night
OPPA Hostel Sinchon-Hongdae
2.26 miles from city center
$26
Per night
SeoulPapa Guesthouse
2.97 miles from city center
$16
Per night
Explore top-rated hotels

Finding cheap flights from Castries to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a round-trip flight from Castries to Seoul is $1,803. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Castries to Seoul. But we found flights with one or more stops from $1,803.
There are no flights flying from Castries to Seoul, as of February 2026.
The cheapest month to fly from Castries to Seoul is usually May.
If you're flying from Castries, the cheapest airport near Seoul is Incheon International – which is 29.7 miles away from the center of Seoul. We've found flights to this airport from $1,803.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Castries to Seoul on Tuesday, May 26, 2026.
No airlines currently offer direct flights between Castries and Seoul. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 29°F. August is typically the warmest month in Seoul, when it usually averages around 82°F. You can expect the least rain in January. The coldest month is January, with temperatures averaging 17°F. The rainiest month is July.
The cheapest airline that flies to Seoul is jetBlue.

How to find cheap flights to Seoul from Castries

Looking for cheap tickets from Castries to Seoul? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Castries to Seoul. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Seoul from Castries from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Castries–Seoul ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Seoul from Castries.
  • Set up a Price Alert. You can easily track the fare of your cheap Castries–Seoul flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Castries and Seoul? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Castries and Seoul. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Seoul, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Castries to Seoul flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to Seoul from Castries with hotels and car rental

    Once you've secured your cheap flight ticket from Castries to Seoul, discover the best prices and exclusive rates for hotels in Seoul or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


Plan the rest of your trip from Castries to Seoul

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.