7/25/2026
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Don't Miss These South Korea Round Trip/One Way Fares*

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One Way Round Trip
SFO San Francisco Sat, Jul 25
SEL Seoul
from $375
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HNL Honolulu Wed, Nov 11
SEL Seoul
from $391
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LAX Los Angeles Wed, Aug 12
SEL Seoul
from $420
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LAS Las Vegas Wed, Aug 26
SEL Seoul
from $422
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DEN Denver Sun, Aug 9
SEL Seoul
from $422
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SEA Seattle Thu, Aug 6
SEL Seoul
from $422
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HOU Houston Wed, Aug 19
SEL Seoul
from $438
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CHI Chicago Sun, Aug 9
SEL Seoul
from $452
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ATL Atlanta Thu, Aug 20
SEL Seoul
from $452
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NYC New York City Tue, Aug 18
SEL Seoul
from $470
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BOS Boston Wed, Aug 19
SEL Seoul
from $487
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RDU Raleigh / Durham Fri, Aug 28
SEL Seoul
from $569
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DFW Dallas Wed, Aug 26
SEL Seoul
from $592
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WAS Washington DC Fri, Aug 28
SEL Seoul
from $611
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PHL Philadelphia Wed, Sep 30
SEL Seoul
from $679
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*Rates last found on
Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202607~Ref:ZEg8M7dnjkqdWxdZane5Fg

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Search Airline Tickets to South Korea

Cheap Flights to South Korea – Book Now with OneTravel
Discover affordable flights to South Korea with OneTravel and embark on a journey where ancient traditions meet modern innovations. South Korea, located on the southern half of the Korean Peninsula, is bordered by the East Sea to the east, North Korea to the north, and the Yellow Sea to the west. The country boasts a rich history, vibrant festivals, and a plethora of cultural events that captivate travelers year-round.

When to Visit South Korea
For pleasant weather and vibrant natural scenery, consider visiting during spring (April to June) or autumn (September to November). These seasons offer mild temperatures, making them ideal for outdoor activities and sightseeing. Spring brings stunning cherry blossoms, while autumn showcases colorful foliage. Winter (December to February) is perfect for skiing and experiencing festive holiday markets, while summer (July to August) is great for beach lovers.

Tips to Secure Cheap Flights to South Korea

  • Be Flexible with Travel Dates– Flying during the low or shoulder seasons, opting for midweek travel, or choosing early morning and late night flights can lead to significant savings.
  • Use Flight Comparison Tools– Platforms like OneTravel can help you compare prices and find our best deals across multiple airlines.
  • Book in Advance– Purchasing tickets early can result in lower prices, especially for peak travel seasons.
  • Consider Package Deals– Booking flight and hotel packages together may provide you with great deals.
  • Sign Up for Fare Alerts– Stay updated on price drops by subscribing to OneTravel’s fare alerts.

Popular Destinations in South Korea

  • Seoul: As the capital and largest metropolis, Seoul blends historical sites with modern attractions. Explore Gyeongbokgung Palace, shop in Myeongdong, enjoy panoramic views from N Seoul Tower, and experience the vibrant nightlife in Hongdae and Gangnam. The city is also a haven for food lovers, offering everything from street food to Michelin-starred restaurants.
  • Busan: Known for its stunning beaches and cultural sites, Busan offers a mix of relaxation and adventure. Visit Haeundae Beach, explore Haedong Yonggungsa Temple, and experience the lively atmosphere of Jagalchi Fish Market. Busan’s coastal scenery, combined with its dynamic urban culture, makes it a must-visit destination.
  • Jeju Island: Often referred to as the "Hawaii of Korea," Jeju Island boasts volcanic landscapes, lush coastlines, and unique attractions like Manjanggul Lava Tube and Seongsan Ilchulbong Peak. Whether you're hiking Hallasan Mountain, relaxing on pristine beaches, or indulging in fresh seafood, Jeju is a paradise for nature lovers.

Frequently Asked Questions:

Q: When is a cheap time to fly to South Korea?
A: The shoulder seasons of March to May and September to November typically offer more affordable flights due to fewer tourists and favorable weather conditions.

Q: How can I find cheap flight deals to South Korea?
A: Being flexible with your travel dates, using flight comparison websites, booking in advance, and considering package deals can help you secure our best prices.

Q: Are there direct flights to South Korea from major U.S. cities?
A: Yes, several airlines offer direct flights from cities like Los Angeles, San Francisco, New York, Chicago, and Dallas to Seoul’s Incheon International Airport (ICN).

Q: Do I need a visa to visit South Korea?
A: U.S. citizens can visit South Korea without a Visa for up to 90 days with a valid passport. However, all travelers must apply for K-ETA (Korea Electronic Travel Authorization) before departure.

Q: What are the major airports in South Korea?
A: The primary international gateway is Incheon International Airport (ICN) near Seoul. Other significant airports include Gimpo Airport (GMP) in Seoul, Gimhae International Airport (PUS) in Busan, and Jeju International Airport (CJU) on Jeju Island.

Embark on an unforgettable journey to South Korea with OneTravel, where history, culture, and natural beauty come together to create a truly unique travel experience. Book your flights today and get ready for an adventure!