$346 Cheap Flights from Istanbul to Seoul
One-way
Departing from
Istanbul
Going to
Seoul, South Korea
Seoul (ICN)
South Korea • February, 2026
77% AI deal score
$2,170 $1,488
Seoul (GMP)
South Korea • January, 2026
76% AI deal score
$765 $346
Seoul (GMP)
South Korea • January, 2026
75% AI deal score
$765 $357
Top Cheap Flight Deals from Istanbul to Seoul
Recent round-trip flight deals to Seoul
Tue, Jan 20 - Mon, Jan 26
Cheapest
Istanbul (IST) - Seoul (GMP)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
Seoul (GMP) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
$765
$529
-$236
31%
Wed, Jan 7 - Tue, Jan 13
Istanbul (IST) - Seoul (ICN)
China Southern Airlines airlines • 1 stop • Guangzhou (CAN)
Seoul (ICN) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Guangzhou (CAN)
$543
$534
-$9
2%
Sat, Jan 17 - Mon, Jan 26
Istanbul (IST) - Seoul (GMP)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
Seoul (GMP) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
$765
$529
-$236
31%
Tue, Jan 6 - Fri, Jan 16
Istanbul (IST) - Seoul (GMP)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
Seoul (GMP) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
$765
$529
-$236
31%
Tue, Jan 13 - Fri, Jan 23
Istanbul (IST) - Seoul (GMP)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
Seoul (GMP) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
$765
$532
-$233
30%
Thu, Jan 15 - Mon, Feb 2
Istanbul (IST) - Seoul (GMP)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
Seoul (GMP) - Istanbul (IST)
China Southern Airlines airlines • 1 stop • Beijing (PKX)
$765
$529
-$236
31%
The cheapest time to fly to Seoul
Ready to jet to Seoul on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from Istanbul to Seoul
To help you plan your journey, here are some quick Seoul flight facts and tips.
Seoul city airports
Seoul is served by two main airports: Incheon International Airport (ICN) and Gimpo International Airport (GMP). Incheon International Airport (ICN) is South Korea's largest airport and the primary international gateway to Seoul. It's known for its modern facilities, numerous amenities, and efficient service. Most international flights arrive and depart from ICN, connecting Seoul to destinations worldwide. Gimpo International Airport (GMP) primarily handles domestic flights and a limited number of international routes, mainly to destinations in Asia. It was formerly Seoul's main international airport before the opening of Incheon. GMP is conveniently located closer to the city center than ICN, making it a popular choice for domestic travel within South Korea.
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 Seoul
Cheapest airport
Cheongju (CJJ)
Looking to save some money on your trip to Seoul? Cheongju International Airport (CJJ) is worth considering. While it's a bit further from the city center, this airport often offers significantly cheaper flights. Think of it as your savvy traveler's secret entrance to the vibrant city of Seoul!
Nonstop vs. 1-stop
70+ cities
As a major hub, Seoul connects you to over 70 cities worldwide, making it easy to explore popular routes to destinations like Tokyo, Osaka, and Fukuoka, Japan.
Number of airlines
80+ airlines
Get ready for take-off, Seoul is served by over 80 airlines, both full-service and low-cost, with popular choices like Korean Air, Asiana Airlines, Jeju Air and Jin Air offering a wealth of travel options!
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 data, Tuesday has the most flight deals for Incheon International Airport. You're most likely to find cheaper flights on Tuesdays, while Thursday and Monday have fewer deals.
Avg. deal survival time
9.7 hours
Deals from Incheon International Airport typically survive for approximately 9.7 hours. This limited window highlights the importance of swift decision-making when booking flights from this airport.
Rare deal frequency
11 deals
In the past month, we discovered 11 rare deals for Incheon International Airport. These exclusive finds earned an AI Deal Score of 90+, typically indicating mistake fares, special promotions, or ultra-discounts.
Average price drop
-83%
On average, flights to Incheon International experience a price drop of 82.7%. This means that you could potentially save a significant amount of money by monitoring flight prices to this airport and booking when prices fall.
Next 4 weeks: deal forecast
Incheon International Airport Flight Forecast (Next Month)
Based on current trends, flight prices 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)
~11 rare deals/month
Tianjin Binhai International (TSN)
~12 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 Istanbul to Seoul
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Seoul:
Cheapest month
December
Cheapest month
December is typically the cheapest month to fly to Seoul. The city is enchanting with festive decorations and a serene atmosphere. Plus, you'll likely find fewer crowds at popular attractions, making your visit more enjoyable and budget-friendly.
Best day to book
Tuesday
Best day to book
Booking your flight on a Tuesday can often lead to significant savings. Airlines tend to release deals at the beginning of the week. Keep an eye on prices during this time, as you might snag a better fare for your trip to Seoul.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying on a Wednesday is usually the most economical option. Mid-week flights often have fewer passengers, prompting airlines to lower prices to fill seats. Take advantage of these mid-week savings to explore Seoul without breaking the bank.
Advance booking sweet spot
2 months
Advance booking sweet spot
Booking about two months in advance is often the sweet spot for flights to Seoul. This timing allows you to take advantage of potential early bird discounts while avoiding last-minute price surges. Keep an eye on prices and be ready to book when you see a deal!
Seasonal considerations
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. This state-of-the-art facility boasts impressive amenities, including numerous restaurants, shops, cultural experiences, and even a spa. Located about 48 kilometers (30 miles) west of Seoul, ICN is connected to the city via AREX (Airport Railroad Express) and a multitude of limousine bus routes, providing convenient options for reaching your final destination in Seoul. The airport's efficient services and comfortable atmosphere make it a favorite among travelers. Don't forget to explore the duty-free shopping; it's a shopper's paradise!
Tip: Take advantage of the free cultural experiences offered within the airport to immerse yourself in Korean traditions during your layover.
Gimpo International Airport (GMP)
Gimpo International Airport (GMP) was once Seoul's primary international airport, but now it mainly handles domestic flights and some regional international routes. Despite being smaller than Incheon, GMP offers a convenient and efficient travel experience with a variety of shops and restaurants. It is much closer to the city center, located approximately 15 kilometers (9 miles) west of Seoul. Getting to Seoul from GMP is a breeze, with efficient subway lines (Line 5, Line 9, and the Airport Railroad) and bus services providing quick and easy access to various parts of the city. Its location makes it a popular choice for those traveling within the region or seeking a quicker commute to Seoul.
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 brimming with iconic landmarks! Explore the grandeur of Gyeongbokgung Palace, stroll through the historic Bukchon Hanok Village, and ascend the N Seoul Tower for breathtaking panoramic views. Each site offers a unique glimpse into Korea's rich heritage and modern marvels.
Arts & culture
Immerse yourself in Seoul's vibrant arts scene by visiting the Leeum, Samsung Museum of Art or the National Museum of Korea. Catch a traditional Korean performance, explore the trendy galleries in Insadong, or wander through the inspiring sculptures at the Olympic Park.
Food & nightlife
Get ready for a culinary adventure in Seoul! From sizzling Korean BBQ and spicy street food in Myeongdong to trendy cafes in Gangnam and late-night eats in Hongdae, there's something for every palate. As the sun sets, experience Seoul's electrifying nightlife in the clubs and bars of Itaewon.
Shopping & fashion
Shopaholics, rejoice! Seoul is a fashion paradise, offering everything from luxury brands in Gangnam's upscale boutiques to trendy streetwear in Hongdae and bargain finds in Dongdaemun's night markets. Don't forget to pick up unique cosmetics and skincare products that K-beauty is famous for.
Nearby getaways
Need a break from the city buzz? Escape to the serene beauty of the Korean countryside with a day trip to the Demilitarized Zone (DMZ), offering a glimpse into the Korean War. Alternatively, hike in the scenic Bukhansan National Park or relax on the beaches of Incheon.
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 Seoul
Pro Tips for Finding Cheap Flights to Seoul
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Seoul flights:
Be Flexible With Your Dates: Flying on weekdays or during the off-season can dramatically lower the cost of your flight to Seoul. Think of it as Seoul rewarding you for dodging the crowds!
Set Up Price Alerts: Use RatePunk to set up price alerts for your desired flight routes. You'll be the first to know when prices drop, ensuring you snag the best deal before anyone else!
