$135 Cheap Flights to Seongnam

View $135 flight on Wed, May 20, 2026Opens in a new window

Popular airlines to Seongnam

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How much is the cheapest flight to Seongnam?

Prices were available within the past 7 days and start at $135 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Wed, Apr 15 - Wed, May 6
TSA
Taipei
GMP
Seoul
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select T'Way Air flight, departing Wed, Apr 15 from Taipei to Seoul, returning Wed, May 6, priced at $219 found 2 days ago
Japan Airlines
Wed, May 20 - Sun, May 24
HND
Tokyo
GMP
Seoul
$369 Roundtrip, found 3 hours ago
$369
Roundtrip
found 3 hours ago
Select Japan Airlines flight, departing Wed, May 20 from Tokyo to Seoul, returning Sun, May 24, priced at $369 found 3 hours ago
Air China
Sun, Nov 8 - Wed, Nov 11
SIN
Singapore
GMP
Seoul
$390 Roundtrip, found 6 days ago
$390
Roundtrip
found 6 days ago
Select Air China flight, departing Sun, Nov 8 from Singapore to Seoul, returning Wed, Nov 11, priced at $390 found 6 days ago
Alaska Airlines
Wed, Oct 14 - Mon, Oct 26
HNL
Oahu
GMP
Seoul
$904 Roundtrip, found 9 hours ago
$904
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Oct 14 from Oahu to Seoul, returning Mon, Oct 26, priced at $904 found 9 hours ago
China Eastern Airlines
Sat, Apr 11 - Mon, May 18
LAX
Los Angeles
GMP
Seoul
$935 Roundtrip, just found
$935
Roundtrip
just found
Select China Eastern Airlines flight, departing Sat, Apr 11 from Los Angeles to Seoul, returning Mon, May 18, priced at $935 just found

Frequently asked questions

What month is the cheapest to fly to Seongnam?
Schedule your trip for April if you're looking for a good price on your fare. It's the cheapest month to fly to Seongnam. Try to avoid traveling during busy periods such as school vacation time or public holidays.
Which US cities fly direct to Seongnam?
There are 13 US destinations that you can fly to Seongnam nonstop from. Explore the options by using the "Direct flights only" filter on Expedia and find the ideal starting point for your trip. Here are a handful of the major cities to jet off from:

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

How to find a cheap flight to Seongnam?
To snag cheap flights to Seongnam, book early and travel during the off-peak months of January and February. Like another tip? Depart on a Thursday and save around 16% on average compared to those who travel on a Sunday.* Set a price alert on the Expedia app and we'll notify you as soon as your 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 Seongnam?
It's possible to get awesome deals on last-minute departures to Seongnam, especially if your plans are flexible. Think about leaving from a different hub, changing your trip dates or picking an alternative carrier to get a cheap flight to Seongnam.
How far in advance should I book a flight to Seongnam?
Find the departure dates you want and a fare that's easy on your pocket by booking your domestic flight to Seongnam up to 28 days in advance. Search for tickets between two and four months ahead if you're headed to Seongnam from an international destination.**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 Seongnam?
Generally, you can find cheap flights to Seongnam on Sundays. Travelers can save about 8% on average compared to those who book on a Friday, which is often the most expensive day to purchase tickets.**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 Seongnam?
There are 71 airlines that connect Seongnam with 142 airports around the globe. The primary gateway to this city is Incheon Intl. Airport (ICN). Book a ticket with any of these top airlines to Seongnam:

  • Shandong Airlines
  • Jeju Air
  • Korean Air
  • Jin Air

Where do you fly into Seongnam?
When you're flying to Seongnam, the main airport to touch down at is Gimpo Intl. Airport (GMP). You can also jet into nearby hubs like Incheon Intl. Airport (ICN), Cheongju Intl. Airport (CJJ) or Suwon (SWU-Suwon Airbase). Another great option worth keeping in mind when you fly to Seongnam is Wonju Airport (WJU).
How far is the airport from central Seongnam?
You'll be approximately 20 mi northwest of the center of Seongnam after arriving at Gimpo Intl. Airport (GMP).
Can I save money by booking a Seongnam trip package?
Book a Seongnam flight and hotel package deal on Expedia, and you could make significant savings. It's a breeze to bundle your flights and accommodations, and you can also add car rentals and tours to create your own customized Seongnam break. Plus, nothing beats the convenience of booking everything in one place.
Can I change or cancel my flight to Seongnam?
You can typically change or cancel your flight to Seongnam within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may be issued credit for a future flight rather than a direct refund. Make sure you check the airline's terms and conditions in your itinerary for specific details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to find cheap flights to Seongnam with flexible change policies. For additional information, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Gimpo Intl.
Destination airport IATA code
GMP
Destination city name
Seoul
Roundtrip price
$219

Trending flights to Seongnam

Prices were available within the past 7 days and start at $135 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 14 - Mon, Oct 26
HNL
Oahu
GMP
Seoul
$904 Roundtrip, found 9 hours ago
$904
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Oct 14 from Oahu to Seoul, returning Mon, Oct 26, priced at $904 found 9 hours ago

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