$614 Cheap flights to South Korea (KR) in 2027

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Flying to South Korea

The things to know before you go.

Cheapest plane ticket found	$614
Cheapest month to fly	November
Average flight time	14 hrs, 11 mins
Possible destinations	14
Most popular airline	Korean Air
Average flights per week	936

Cheap flight deals to South Korea

Looking for a cheap last-minute deal or the best roundtrip flight to South Korea? If you want to travel to South Korea next month, roundtrip fares start from $628. Find the lowest prices on one-way and roundtrip tickets right here.

Seoul.$614 per passenger.Departing Sun, Nov 15, returning Fri, Dec 4.Round-trip flight with Air Premia.Outbound direct flight with Air Premia departing from San Francisco International on Sun, Nov 15, arriving in Incheon International.Inbound direct flight with Air Premia departing from Incheon International on Fri, Dec 4, arriving in San Francisco International.Price includes taxes and charges.From $614, select.

Busan.$676 per passenger.Departing Tue, Dec 8, returning Tue, Dec 15.Round-trip flight with Zipair and Jeju Air.Outbound indirect flight with Zipair, departing from Honolulu International on Tue, Dec 8, arriving in Gimhae International.Inbound indirect flight with Jeju Air, departing from Gimhae International on Tue, Dec 15, arriving in Honolulu International.Price includes taxes and charges.From $676, select.

Cheongju.$687 per passenger.Departing Sun, Nov 15, returning Tue, Dec 15.Round-trip flight with Zipair and Aero K Airlines.Outbound indirect flight with Zipair, departing from Honolulu International on Sun, Nov 15, arriving in Cheongju.Inbound indirect flight with Aero K Airlines, departing from Cheongju on Tue, Dec 15, arriving in Honolulu International.Price includes taxes and charges.From $687, select.

Jeju.$723 per passenger.Departing Sat, Dec 5, returning Sat, Dec 12.Round-trip flight with Air Premia and Jeju Air.Outbound indirect flight with Air Premia, departing from San Francisco International on Sat, Dec 5, arriving in Jeju.Inbound indirect flight with Jeju Air, departing from Jeju on Sat, Dec 12, arriving in San Francisco International.Price includes taxes and charges.From $723, select.

Daegu.$820 per passenger.Departing Mon, Dec 7, returning Mon, Dec 14.Round-trip flight with Alaska Airlines and Trinity Airways.Outbound indirect flight with Alaska Airlines, departing from Honolulu International on Mon, Dec 7, arriving in Daegu.Inbound indirect flight with Trinity Airways, departing from Daegu on Mon, Dec 14, arriving in Honolulu International.Price includes taxes and charges.From $820, select.

Gwangju.$954 per passenger.Departing Fri, Dec 4, returning Fri, Dec 11.Round-trip flight with Air Premia and Asiana Airlines.Outbound indirect flight with Air Premia, departing from Los Angeles International on Fri, Dec 4, arriving in Gwangju.Inbound indirect flight with Asiana Airlines, departing from Gwangju on Fri, Dec 11, arriving in Los Angeles International.Price includes taxes and charges.From $954, select.

Ulsan.$1,017 per passenger.Departing Tue, Nov 24, returning Mon, Nov 30.Round-trip flight with Korean Air.Outbound indirect flight with Korean Air, departing from San Francisco International on Tue, Nov 24, arriving in Ulsan.Inbound indirect flight with Korean Air, departing from Ulsan on Mon, Nov 30, arriving in San Francisco International.Price includes taxes and charges.From $1,017, select.

Yeosu.$1,150 per passenger.Departing Tue, Dec 8, returning Tue, Dec 15.Round-trip flight with Frontier Airlines and Asiana Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Tue, Dec 8, arriving in Yeosu.Inbound indirect flight with Asiana Airlines, departing from Yeosu on Tue, Dec 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,150, select.

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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.

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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 37 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, Air Premia, Thai Airways, Singapore Airlines 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 November.

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 $614. 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 $614.

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 Sunday, November 15, 2026, to Incheon International Airport.

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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.