$312 Cheap Flights to Incheon International
One-way
Departing from
United States
Going to
Incheon International
Seoul (ICN)
South Korea • January, 2026
94% AI deal score
$1,700 $312
Seoul (ICN)
South Korea • February, 2026
94% AI deal score
$1,700 $312
Seoul (ICN)
South Korea • February, 2026
94% AI deal score
$1,700 $313
Top Cheap Flight Deals from United States to Incheon International
Recent round-trip flight deals to Incheon International
Thu, Dec 25 - Sun, Dec 28
Cheapest
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$151
-$352
70%
Thu, Dec 25 - Sun, Dec 28
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$152
-$351
70%
Thu, Dec 25 - Mon, Dec 29
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$152
-$351
70%
Thu, Dec 25 - Wed, Dec 31
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$152
-$351
70%
Thu, Dec 25 - Mon, Dec 29
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$156
-$347
69%
Thu, Dec 25 - Mon, Dec 29
Hagåtña (GUM) - Seoul (ICN)
Jin Air airlines • Direct
Seoul (ICN) - Hagåtña (GUM)
Jin Air airlines • Direct
$503
$158
-$345
69%
The cheapest time to fly to Incheon International
Facts About Flights from United States to Seoul
To help you plan your journey, here are some quick Seoul flight facts and tips.
Seoul airports
Incheon International Airport (ICN) and Gimpo International Airport (GMP) both serve the Seoul Metropolitan Area, offering distinct roles in South Korea's air travel landscape. ICN is the primary international gateway, handling the vast majority of international flights to and from South Korea. It's known for its modern facilities, numerous amenities, and connections to destinations worldwide. Gimpo, while formerly the main international airport, now primarily handles domestic flights and a limited number of international routes, mainly to destinations in Asia. It offers a more convenient option for travelers focusing on regional travel within Asia or domestic travel within South Korea, due to its closer proximity to Seoul compared to Incheon. Choosing between the two depends on your destination: international travelers will likely arrive/depart from ICN, while those flying within Korea or to select Asian cities may find GMP more suitable.
Pro tip: search “Seoul (Any)” to see fares to all Seoul airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Incheon International
Cheapest airport
Narita (NRT)
Looking for the ultimate gateway to Incheon? Narita International Airport (NRT) might just be your golden ticket! While technically in Japan, flying into Narita can sometimes be lighter on your wallet, especially if you're all about that budget-travel life. Plus, who wouldn't want a cheeky side trip to Tokyo?
Nonstop vs. 1-stop
70+ cities
As a major hub in Asia, Incheon International Airport (ICN) connects over 70 cities worldwide, making it a popular choice for travelers. Some frequently flown routes include connections to major cities in Asia and North America.
ICN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
ICN airport insights
Best days to catch a deal
Tue, Sat
Based on the provided data, Tuesday is the best day to find flight deals from Incheon International Airport. Wednesday comes in second for deal availability, but it is significantly lower than Tuesday.
Avg. deal survival time
18.7 hours
Deals from Incheon International Airport typically survive for around 18.7 hours. Due to the short duration, it is important to book quickly when you find a deal that you like.
Rare deal frequency
14 deals
In the past month, we discovered 14 rare deals for flights from Incheon International Airport. These rare deals, identified by an AI Deal Score of 90+, typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-83%
The average price drop for flights to Incheon International Airport is 82.6%, indicating a significant potential for savings. Travelers can potentially find much cheaper flights to this destination compared to the initial listed prices.
Next 4 weeks: deal forecast
Incheon International Airport (ICN) Flight Forecast - Next Month
Based on current trends, flight prices to and from Incheon International Airport are expected to remain stable in January 2026. There are no significant price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on December 18
Venice - ICN
$40,000,000 → $729
100%
Found on December 23
Mexico City - ICN
$14,575 → $920
94%
Found on December 18
Takamatsu - ICN
$950 → $67
93%
Found on December 19
Sapporo - ICN
$990 → $133
87%
Found on December 23
Jaipur - ICN
$1,700 → $244
86%
Check these nearby airports too
Looking for more options? These airports near ICN sometimes drop rare deals too:
Cheongju International (CJJ)
~7 rare deals/month
Qingdao Jiaodong International Airport (TAO)
~9 rare deals/month
Tianjin Binhai International (TSN)
~14 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially CJJ and TAO for long-haul deal surprises.
When Is the Best Time to Fly from United States to Incheon International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Incheon International:
Cheapest month
November
Cheapest month
November emerges as the champion of affordability for flights to Seoul! The crisp air and stunning foliage create a picturesque backdrop for exploring ancient palaces and bustling markets. Plus, you'll dodge the peak season crowds, making your Seoul adventure both budget-friendly and blissfully serene.
Best day to book
Tuesday
Best day to book
Unlock the best deals by setting your sights on booking flights to Seoul on a Tuesday. Airlines often release new deals early in the week, making Tuesday the prime day to snag those discounts. Beat the weekend rush and mid-week price hikes by securing your tickets on this strategic day.
Cheapest days to fly
Wednesday
Cheapest days to fly
Fly smarter, not harder, by choosing Wednesday for your departure to Seoul. Mid-week flights tend to be less expensive as business travelers typically fly on Mondays and Fridays. Embrace the savvy traveler within and enjoy significant savings by flying on a Wednesday!
Advance booking sweet spot
2 months
Advance booking sweet spot
Aim to book your Seoul flights roughly two months in advance to hit the sweet spot. This timeframe often yields the perfect balance between availability and price. Avoid the last-minute surge and early bird extremes by planning ahead and booking around this ideal window.
Seoul Airports & Ground Transportation
One big question for travelers is which Seoul airport to fly into. Here’s a quick guide to Seoul’s airports and how to get to the city from each:
Incheon International Airport (ICN)
Incheon International Airport (ICN) is South Korea's largest airport and one of the busiest in the world, serving as a major gateway to Seoul. It's known for its impressive architecture, super efficient operations, and a wide array of amenities, including shopping, dining, and cultural experiences. The airport is located on an island west of Seoul, but is very well-connected to the city center via AREX express train and numerous bus lines, making the journey relatively quick and convenient. The airport boasts many gardens and indoor spaces, making it a comfortable place to spend your time before flying! Be sure to check out the Korean Cultural Street for a glimpse of traditional crafts.
Tip: Utilize the AREX express train for a fast and reliable connection to Seoul Station.
Gimpo International Airport (GMP)
Gimpo International Airport (GMP) was once the primary international airport for Seoul, but now mainly handles domestic flights and limited international routes, primarily to Japan, China, and Taiwan. It is located much closer to Seoul than Incheon, making it a convenient option for travelers flying domestically within Korea or to those nearby countries. Despite being smaller than Incheon, Gimpo offers a good range of services and facilities. Getting to downtown Seoul is a breeze with multiple subway lines and bus routes connecting the airport to various parts of the city. Be sure to check out the observation deck for great views of planes taking off and landing!
What to Do in Seoul
Seoul isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Seoul, organized by interest:
Sightseeing & landmarks
Seoul is a city steeped in history and brimming with modern marvels! Must-see landmarks include the majestic Gyeongbokgung Palace, the serene Bukchon Hanok Village, and the iconic N Seoul Tower for panoramic city views that will leave you breathless.
Arts & culture
Immerse yourself in Seoul's vibrant arts scene by visiting world-class museums like the National Museum of Korea or exploring the trendy galleries of Insadong. For a taste of traditional Korean culture, catch a captivating performance of Nanta, a non-verbal comedy show, or explore a traditional tea house!
Food & nightlife
Get ready for a culinary adventure in Seoul, from sizzling Korean BBQ and spicy street food to trendy cafes and Michelin-starred restaurants! As the sun sets, experience Seoul's electric nightlife in the bustling districts of Hongdae and Itaewon, known for their vibrant bars, clubs, and entertainment.
Shopping & fashion
Shopaholics, rejoice! Seoul is a fashion paradise, offering everything from high-end designer boutiques in Gangnam to trendy street style in Myeongdong. Don't forget to explore the unique shops and vintage finds in the quirky neighborhood of Hongdae.
Nearby getaways
Escape the city buzz and discover the natural beauty surrounding Seoul with a day trip to the stunning Bukhansan National Park for hiking or the picturesque Garden of Morning Calm. For a dose of history, explore the UNESCO World Heritage Site of Suwon Hwaseong Fortress.
Events in Seoul This Month
international conference on urban studies, city design and planning
The conference aims to provide a platform for researchers and practitioners from academia and industry to meet and share cutting-edge developments in the field, fostering collaboration and innovation.
fc seoul vs melbourne city fc
This event will be held at Seoul World Cup Stadium located at 240, World Cup-ro, Seongsan-dong, Seongsan 2(i)-dong, Mapo-gu, Seoul, South Korea.
home table deco fair seoul 2025
Home Table Deco Fair Seoul 2025 will be held from December 18th to 21st, 2025, at the COEX Convention & Exhibition Center in Seoul, South Korea, showcasing the latest trends and innovations in home decor and lifestyle.
Frequently Asked Questions About Flights to Incheon International
Pro Tips for Finding Cheap Flights to Incheon International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Incheon International flights:
Behold the Power of Incognito!: Search for flights in incognito mode or a private browser. Airlines sometimes track your searches and may increase prices if they see you've searched for the same flight multiple times. Outsmart them with a fresh, untracked search!
Consider flying on Tuesdays, Wednesdays, or Saturdays. These days are typically less busy, and airlines often offer lower fares to fill those seats. Be flexible with your travel dates for sweet savings!
