$400 Cheap Flights to Seongmodo Island

View $400 flight on Mon, May 4, 2026Opens in a new window

Popular airlines

  • Korean Air

  • Asiana Airlines

  • Cathay Pacific

  • Jeju Air with Bag

  • China Airlines

  • Air China

  • EVA Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Seongmodo Island?

Prices were available within the past 7 days and start at $400 for one-way flights and $762 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
Wed, May 13 - Sun, May 17
SFO
San Francisco
ICN
Seoul
$762 Roundtrip, just found
$762
Roundtrip
just found
Select Air Premia flight, departing Wed, May 13 from San Francisco to Seoul, returning Sun, May 17, priced at $762 just found
Alaska Airlines
Fri, May 1 - Thu, May 7
SEA
Seattle
ICN
Seoul
$800 Roundtrip, just found
$800
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 1 from Seattle to Seoul, returning Thu, May 7, priced at $800 just found
Xiamen Airlines
Sun, Nov 15 - Sun, Nov 22
LAX
Los Angeles
ICN
Seoul
$867 Roundtrip, found 16 hours ago
$867
Roundtrip
found 16 hours ago
Select Xiamen Airlines flight, departing Sun, Nov 15 from Los Angeles to Seoul, returning Sun, Nov 22, priced at $867 found 16 hours ago
China Eastern Airlines
Thu, Oct 1 - Tue, Oct 13
LAX
Los Angeles
GMP
Seoul
$870 Roundtrip, found 13 hours ago
$870
Roundtrip
found 13 hours ago
Select China Eastern Airlines flight, departing Thu, Oct 1 from Los Angeles to Seoul, returning Tue, Oct 13, priced at $870 found 13 hours ago
Cathay Pacific
Mon, Sep 7 - Wed, Sep 16
ORD
Chicago
ICN
Seoul
$981 Roundtrip, just found
$981
Roundtrip
just found
Select Cathay Pacific flight, departing Mon, Sep 7 from Chicago to Seoul, returning Wed, Sep 16, priced at $981 just found

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Flights from $1,758
ICN
Incheon Intl.
Cheapest
Flights from $1,758
Select flight to Gimpo Intl. GMP. Flights from $2,125
GMP
Gimpo Intl.
Flights from $2,125

Frequently asked questions

What month is the cheapest to fly to Seongmodo Island?
Schedule your trip for May if you're hoping to get a good price on your fare. It's the cheapest month to fly to Seongmodo Island. Try to avoid traveling during busy periods such as major public holidays or events.
Which US cities fly direct to Seongmodo Island?
You can fly to Seongmodo Island directly from 13 US destinations. To find a nonstop journey, use the "Direct flights only" filter when organizing your flights to Seongmodo Island on Expedia. Then, explore your choices and find the best departure from one of these cities:

  • Los Angeles
  • San Francisco
  • New York
  • Seattle
  • Atlanta

How to find a cheap flight to Seongmodo Island?
If you're searching for cheap flights to Seongmodo Island, consider traveling in the low season. Booking as early as possible is also likely to save you money. Or, look for departures on a different day — flights on a Thursday are on average 16% cheaper than Sunday options.* Opt to receive flight price alerts on the Expedia app and get notified when fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Seongmodo Island?
While booking in advance is typically the easiest way to save cash, don't panic if your Seongmodo Island trip is last minute. It's still possible to find cheap flights to Seongmodo Island, especially if your plans have a little wiggle room. Try switching up your trip dates, looking at different ticket options or departing from another airport.
How far in advance should I book a flight to Seongmodo Island?
For some of the biggest savings on domestic journeys, book your flight to Seongmodo Island 28 days ahead of your travel dates. For international flights, search for your ticket between two and four months in advance. This boosts your chances of getting your preferred departure dates, times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Seongmodo Island?
You can save an average of 8% if you buy tickets on a Sunday rather than Fridays, which tend to be the priciest day to book.* When it comes to snapping up a cheap flight to Seongmodo Island, it's all about having good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Seongmodo Island?
Work out your ideal travel dates and then jet off to Seongmodo Island with one of these major airlines:

  • Korean Air - 403 flights to Seongmodo Island each month, including 403 flights to Incheon Intl. Airport (ICN) per month.
  • Asiana Airlines - 195 flights to Seongmodo Island each month, including 195 flights to Incheon Intl. Airport (ICN) per month.
  • Delta Air Lines - 139 flights to Seongmodo Island each month, including 139 flights to Incheon Intl. Airport (ICN) per month.

Can I save money by booking a Seongmodo Island trip package?
Book a Seongmodo Island flight and hotel package deal on Expedia, and you could make significant savings. It's a breeze to bundle your accommodations and flights, and you can also add tours and car rentals to create your own customized Seongmodo Island break. Plus, nothing beats the convenience of booking everything in one place.
Can I change or cancel my flight to Seongmodo Island?
If you booked your flight to Seongmodo Island within the last 24 hours, you can typically cancel or change it without fees. After that, additional costs may apply depending on the airline's rules and restrictions. For more information, head to our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may receive a credit toward a future flight rather than a direct refund. When browsing Expedia, use the "Changes included" or "No cancel fee" boxes to compare tickets with flexible change policies.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Incheon Intl.
Destination airport IATA code
ICN
Destination city name
Seoul
Roundtrip price
$761

Trending flights to Seongmodo Island

Prices were available within the past 7 days and start at $400 for one-way flights and $762 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
Wed, May 13 - Sun, May 17
SFO
San Francisco
ICN
Seoul
$762 Roundtrip, just found
$762
Roundtrip
just found
Select Air Premia flight, departing Wed, May 13 from San Francisco to Seoul, returning Sun, May 17, priced at $762 just found