$562 Cheap flights to South Korea in 2026

Compare South Korea flights across hundreds of providers

Find the cheapest month or even day of the year to fly

Book the best flight with no fees

Where in South Korea do you want to fly to?

See more destinations

Flying to South Korea

The things to know before you go.

Cheapest plane ticket found	$562
Cheapest month to fly	September
Average flight time	14 hrs, 10 mins
Possible destinations	14
Most popular airline	Korean Air
Average flights per week	2,918

Cheap flight deals to South Korea

Looking for a cheap flight deal to South Korea? Find last-minute deals and the cheapest prices on one-way and round-trip tickets right here.

Seoul.$562 per passenger.Departing Tue, Sep 1, returning Tue, Sep 8.Round-trip flight with Zipair.Outbound indirect flight with Zipair, departing from Honolulu International on Tue, Sep 1, arriving in Incheon International.Inbound indirect flight with Zipair, departing from Incheon International on Tue, Sep 8, arriving in Honolulu International.Price includes taxes and charges.From $562, select.

Busan.$699 per passenger.Departing Tue, May 12, returning Tue, May 19.Round-trip flight with Zipair and Jeju Air.Outbound indirect flight with Zipair, departing from San Francisco International on Tue, May 12, arriving in Gimhae International.Inbound indirect flight with Jeju Air, departing from Gimhae International on Tue, May 19, arriving in San Francisco International.Price includes taxes and charges.From $699, select.

Jeju.$791 per passenger.Departing Thu, Apr 30, returning Thu, May 7.Round-trip flight with Zipair and Air Busan.Outbound indirect flight with Zipair, departing from Honolulu International on Thu, Apr 30, arriving in Jeju.Inbound indirect flight with Air Busan, departing from Jeju on Thu, May 7, arriving in Honolulu International.Price includes taxes and charges.From $791, select.

Ulsan.$877 per passenger.Departing Thu, Apr 23, returning Thu, May 14.Round-trip flight with Cathay Pacific and Korean Air.Outbound indirect flight with Cathay Pacific, departing from San Francisco International on Thu, Apr 23, arriving in Ulsan.Inbound indirect flight with Korean Air, departing from Ulsan on Thu, May 14, arriving in San Francisco International.Price includes taxes and charges.From $877, select.

Daegu.$887 per passenger.Departing Wed, Aug 26, returning Wed, Sep 2.Round-trip flight with Philippine Airlines and Korean Air.Outbound indirect flight with Philippine Airlines, departing from Los Angeles International on Wed, Aug 26, arriving in Daegu.Inbound indirect flight with Korean Air, departing from Daegu on Wed, Sep 2, arriving in Los Angeles International.Price includes taxes and charges.From $887, select.

Gwangju.$1,036 per passenger.Departing Tue, Apr 28, returning Tue, May 5.Round-trip flight with Frontier Airlines and Asiana Airlines.Outbound indirect flight with Frontier Airlines, departing from Denver International on Tue, Apr 28, arriving in Gwangju.Inbound indirect flight with Asiana Airlines, departing from Gwangju on Tue, May 5, arriving in Denver International.Price includes taxes and charges.From $1,036, select.

Yeosu.$1,243 per passenger.Departing Fri, Mar 20, returning Fri, Mar 27.Round-trip flight with Air Premia and Asiana Airlines.Outbound indirect flight with Air Premia, departing from Honolulu International on Fri, Mar 20, arriving in Yeosu.Inbound indirect flight with Asiana Airlines, departing from Yeosu on Fri, Mar 27, arriving in Honolulu International.Price includes taxes and charges.From $1,243, select.

Yangyang.$1,444 per passenger.Departing Fri, May 1, returning Fri, May 8.Round-trip flight with Alaska Airlines and Parata Air.Outbound indirect flight with Alaska Airlines, departing from New York Newark on Fri, May 1, arriving in Yangyang.Inbound indirect flight with Parata Air, departing from Yangyang on Fri, May 8, arriving in New York Newark.Price includes taxes and charges.From $1,444, select.

See more deals

Find the cheapest time to fly to South Korea

Flexible on travel dates? Find the cheapest month – or even day – to fly to South Korea.

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Which airlines fly direct to South Korea?

Frequently asked questions

How long is the flight from United States to South Korea?

The average flight time between United States and Seoul (South Korea's capital), is 15 hours and 33 minutes. This has been calculated based on journeys departing from Washington, D.C..

Which airlines offer direct flights to South Korea?

Korean Air, Delta, Asiana Airlines, United, Singapore Airlines, Thai Airways, Air Premia and LATAM Airlines all fly non-stop to South Korea.

When is the cheapest time to fly to South Korea?

We crunched some numbers and found that the cheapest month to fly to South Korea is currently September.

Can I get a direct flight to South Korea?

Yes – some airlines fly direct to South Korea. You'll most likely fly non-stop to Seoul.

How much are round-trip flights to South Korea?

The best price we found for a round-trip flight to South Korea is $562. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

What's the cheapest city to fly into in South Korea?

The cheapest city to fly into is Seoul, and the cheapest airport serving this city at the moment is Incheon International.

What's the cheapest airport to fly to in South Korea?

The cheapest airport in South Korea is Incheon International – we've found flights from $562.

Which upcoming date is cheapest to fly to South Korea on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to South Korea is Tuesday, September 1, 2026, to Incheon International Airport.

Discover South Korea

How to find cheap flights to South Korea

Ready to explore the alluring charm of South Korea? We're here to help you get the best deals on flights from the United States. By comparing prices from over 500 airlines and online travel agents, we ensure you find the cheapest flight tickets to South Korea. With our transparent pricing, there are no hidden fees - you pay exactly what you see.

The best time to go to South Korea

The best time to visit South Korea is during June and September when the country experiences nice weather with average temperatures around 77°F. These months offer comfortable conditions for exploring all regions of the country.

April, May, July, August, and October are also good times to travel to South Korea, but there might be occasional weather conditions that could affect your visit. During these months, the temperature ranges from 59°F to 86°F, making it worthwhile for sightseeing and outdoor activities.

It is better to avoid traveling to South Korea in January, February, March, and December when the country experiences its worst weather conditions, including cold and snowy days. The temperature can drop to as low as 23°F during these months.

Top tip: If you're flexible with your departure dates, use our Whole Month feature to find the cheapest day of the year to travel to any city in South Korea.

The best time to book flights to South Korea

If you're looking for cheap flights to South Korea, the sweet spot for booking is usually 45 to 60 days before your departure date. Get a head start and secure those tickets in advance for great savings.

Don't forget to use our Price Alert feature to keep an eye on the fares for your flight to South Korea. We'll send you an email or push notification whenever prices fluctuate, helping you book at just the right time.

Airlines that fly to South Korea

Some of the most popular routes between the United States and South Korea are:

From Honolulu (Honolulu International Airport) to Seoul (Incheon International Airport Airport) with Zipair

From Los Angeles (Los Angeles International Airport) to Busan (Gimhae International Airport) with China Eastern

From Honolulu (Honolulu International Airport) to Daegu (Daegu Airport) with Zipair

Top things to see and do in South Korea

Discover the historical palaces of Seoul, such as Gyeongbokgung and Changdeokgung, or enjoy the capital's atmosphere. Venture down to Jeonju and Andong to explore their traditional villages and savor the local dishes of Bibimbap and Jjimdak. A trip to the beautiful Jeju Island is a must for nature lovers. South Korea's renowned festivals, like the Boryeong Mud Festival, offer fun and unique experiences, while the Busan International Firework Festival showcases dazzling displays. The Jinju Lantern Festival, exhibiting colorful displays in honor of the country's rich history, adds to the charm of this diverse destination.

Best cities to visit in South Korea

Seoul

Seoul is the capital and largest city of South Korea, boasting a mix of modern and historic sites. Explore the ancient Gyeongbokgung Palace, shop in the trendy Myeongdong district, and don't miss the street food scene at Gwangjang Market.

Busan

Busan, South Korea's second-largest city, is famous for its beaches, nightlife, and seafood. Relax at Haeundae Beach, visit the Jagalchi Fish Market, or hike through the Beomeosa Temple area.

Jeju Island

Known as the "Hawaii of South Korea," Jeju Island attracts visitors with its breathtaking volcanic landscapes, beautiful beaches, and lush greenery. Hike the Hallasan Mountain, explore the lava tubes of Manjanggul Cave, or visit the quirky Jeju Loveland sculpture park.

Gyeongju

This ancient capital city of the Silla Dynasty is an open-air museum brimming with history. Wander through the UNESCO World Heritage-listed Bulguksa Temple, visit the Gyeongju National Museum, and explore the beautiful royal tombs in this city steeped in Korean culture.