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Cheap Flight Tickets to South Korea

Looking for cheap flights to South Korea that actually fit your budget?

Dates
Wed, Oct 21 – Fri, Oct 23
No. of travellers & Class
1 Traveller · Economy
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Find and book the cheapest flights to South Korea. Triwize searches over 500+ airlines simultaneously — comparing every available fare on routes to Seoul, Busan, Incheon and many more South Korean destinations. Whether you are planning months ahead or looking for a last-minute deal, we find you the best price, every time.

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Round trip flight deals

The card below shows the cheapest round-trip fares currently available. Updated every 24 hours. Click any to search available seats.

Enter your travel dates to find the best prices
Wed, 3 Nov - Fri, 5 Nov
Airline logo
9:45SEA
17h 00m
Non-stop
05:45SIN
Airline logo
9:00SIN
14h 10m
Non-stop
08:10SEA
$653Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
12:05LAX
16h 35m
Non-stop
7:40SIN
Airline logo
20:45SIN
16h 05m
Non-stop
21:50LAX
$857Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
7:00LAX
25h 35m
1 stop
12:10SIN
Airline logo
20:45SIN
16h 5m
Non-stop
21:50LAX
$855Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
08:37LAX
29h 38m
2 stops
05:15SIN
Airline logo
07:00SIN
19h 32m
1 stop
11:32LAX
$873Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
13:18ONT
25h 57m
2 stops
06:15SIN
Airline logo
8:45SIN
18h 27m
1 stop
12:12ONT
$878Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
06:00ONT
21h 35m
1 stop
18:35SIN
Airline logo
08:45SIN
26h 18m
1 stop
20:01ONT
$873Economy · per person
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Best Time to Book Flight Tickets to South Korea

When is the flight to South Korea the Cheapest?

April and September are your best bets for cheap flights to South Korea, with fares typically sitting at their most competitive. Try to book 45–75 days in advance to land the best prices. Flying on a Wednesday and opting for a morning departure are two small moves that can trim your fare a little further.

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seoul-tower-with-blue-sky-img
building-lotte-tower-img
historical-drama-img
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When is the Most Expensive Time to Fly to South Korea?

Peak demand hits in the summer (July–August) when families travel and Korean summer festivals pull visitors in. December through February sees a second surge — winter in Korea is cold, but the ski resorts and New Year celebrations bring real crowds. Cherry blossom season in late March to early April is another high-demand window, so if you're planning to see the blossoms, book well ahead or brace for a fare spike.

Everything you need to know before you book

France Flight Price Guide — Month by Month

  • Low fare months
  • Mild season
  • Peak pricing periods
south-korea-price-guide-img
  • January
    PriceLow-Med
    CrowdLow-Med
    Best forWinter festivals, ski resorts, and fewer tourists
    Avg RT Fare$800
  • February
    PriceLow
    CrowdLow
    Best forGreat deals and winter travel; Lunar New Year can be busy
    Avg RT Fare$760
  • March
    PriceMedium
    CrowdMedium
    Best forEarly cherry blossoms; popular spring season approaching
    Avg RT Fare$830
  • April
    PriceMedium
    CrowdMed-High
    Best forCherry blossom peak; book early for better fares
    Avg RT Fare$745
  • May
    PriceLow
    CrowdLow-Med
    Best forWarm, pleasant weather and strong flight value
    Avg RT Fare$720
  • June
    PriceHigh
    CrowdHigh
    Best forStart of school holidays; demand rises quickly
    Avg RT Fare$940
  • July
    PricePeak
    CrowdVery High
    Best forSummer holidays in full swing; busiest and most expensive period
    Avg RT Fare$1050
  • August
    PricePeak
    CrowdHigh
    Best forLate summer travel; fares tend to ease toward month end
    Avg RT Fare$920
  • September
    PriceLow
    CrowdLow
    Best forCheapest flights to South Korea; autumn begins
    Avg RT Fare$730
  • October
    PriceLow
    CrowdLow-Med
    Best forAutumn foliage, excellent weather, and great value
    Avg RT Fare$750
  • November
    PriceLow
    CrowdMedium
    Best forStrong value, crisp weather, and quieter tourist sites
    Avg RT Fare$780
  • December
    PricePeak
    CrowdVery High
    Best forChristmas and New Year travel; highest demand and fares
    Avg RT Fare$1080

Why Fly to South Korea?

Seoul South Korea

One of Asia's Best Value Long Haul Destinations

A round-trip flight to Seoul from New York runs $650–$1,000 depending on when you book. Once you land, a proper Korean BBQ dinner costs $15–$25 a head, a subway ride is cents, and a good guesthouse in Hongdae or Insadong won't break the bank. South Korea punches above its weight when it comes to value — especially if you're used to Western city prices.

Seoul city South Korea

Seoul: A City That Actually Delivers

Flights to Seoul, South Korea land you in one of the most dynamic cities on earth. Ancient palaces sit a short subway ride from Michelin-starred restaurants and 24-hour street food markets. Myeongdong for shopping, Bukchon Hanok Village for traditional architecture, the Han River parks at night, and Namdaemun Market at dawn — Seoul rewards wandering in a way that few cities do.

Busan South Korea

Beyond Seoul: Busan, Jeju, and the Rest

Don't stop at the capital. Flights to Busan, South Korea bring you to a beach city with some of the country's best seafood, stunning cliff-side temples, and a lively film festival culture. Jeju Island is South Korea's Hawaii — volcanic landscape, waterfalls, beaches, and hiking that rivals anywhere in Asia. Both are easy domestic hops from Seoul.

Korean food

The Food Alone Justifies the Ticket

Korean cuisine is built around sharing, fermentation, and bold flavour. Proper Korean BBQ — galbi and samgyeopsal over coals with a dozen banchan side dishes — is a meal and a ritual. Bibimbap, sundubu jjigae, tteokbokki at a street stall, haemul pajeon in the rain. And then there's chimaek: Korean fried chicken and cold beer, which is exactly as good as it sounds. Don't leave without trying all of it.

Historic palace in South Korea

History You Can Walk Through

Gyeongbokgung Palace in the heart of Seoul, the fortress walls of Suwon Hwaseong, the ancient capital of Gyeongju with burial mounds and stone pagodas scattered across the city — South Korea's history isn't locked away in museums. It's out in the open, accessible, and genuinely fascinating even if you've never taken a history class.

K culture in Seoul

K Culture, Live and In Person

You've probably encountered K pop and K dramas somewhere. Seoul is where all of it lives. But the cultural pull runs deeper than entertainment — Korean skincare, fashion, cinema, and food culture are genuinely world class and best experienced first hand. The Han River Cinema, Lotte World, the DMZ day trip, COEX Aquarium — there's more to do than any one trip can cover.

Incheon International Airport

The Layover Itself is Worth Mentioning

Incheon Airport (ICN) is regularly ranked the best airport in the world — and it earns it. There's a spa, an ice rink, a cultural museum, free city tours for long layovers, and transit hotels inside the terminal. If your flight to South Korea from the US connects elsewhere first, Seoul is worth turning into a destination of its own.

Everything you need to know before you book

Quick Facts - Flights to South Korea from the USA

Everything You Need to Know Before You Book

Cheapest monthSeptember
avg ~$730 round-trip from USA
Most Expensive MonthJuly–August and December
Best day to bookTuesday or Wednesday afternoon
Book how far ahead to 3–6 months for best fares
Nonstop option?Yes
Korean Air and Asiana fly direct to Seoul ICN
Shortest nonstop flight~10–11 hr
Los Angeles
TBD
Seoul Incheon
Non-stop
Most Popular South Korea DestinationSeoul (Incheon/Gimpo), Busan, Jeju Island
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Popular Airports in South Korea — A Traveller's Guide

Your choice of arrival airport can shape the entire trip. Major hubs often offer more direct flights from the USA and smoother connections, while smaller airports may require a layover but sometimes offer better fares.

  • Seoul Incheon International

    Seoul Incheon International

    ICN

    Hub Airlines

    Korean Air, Asiana Airlines, All major carriers

    Key Feature

    Primary gateway to South Korea and one of the world's top-rated airports

  • Seoul Gimpo International

    Seoul Gimpo International

    GMP

    Hub Airlines

    Korean Air, Asiana Airlines, Air Seoul

    Key Feature

    Major domestic hub with short-haul international connections

  • Busan Gimhae International

    Busan Gimhae International

    PUS

    Hub Airlines

    Korean Air, Asiana Airlines, Air Busan

    Key Feature

    Gateway to Busan, South Korea's second-largest city and a major coastal destination

  • Jeju International

    Jeju International

    CJU

    Hub Airlines

    Korean Air, Asiana Airlines, Jeju Air

    Key Feature

    Busiest domestic airport in Korea and the main gateway to Jeju Island

  • Daegu International

    Daegu International

    TAE

    Hub Airlines

    Korean Air, Asiana Airlines

    Key Feature

    Regional gateway serving Daegu, the Gyeongsang interior, and southeastern Korea

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Airlines Flying to South Korea from the United States

Good news — unlike Vietnam, there are actually direct flights to South Korea from the US. Korean Air and Asiana Airlines operate nonstop flights to Seoul Incheon (ICN) from several US gateways. If you prefer to connect, options through Tokyo, Hong Kong, Doha, and Dubai are plentiful. Korean Air offers the most flexible routing with the widest range of US departure cities.

✈️
Korean Air
KEY HUBS
LAXJFKSFOIADSEAATLORD
WHY CHOOSEDirect to ICN — widest US coverage, best Seoul connectivity

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Frequently Asked Questions

How long is the flight from the US to Seoul, South Korea?

Nonstop flights from Los Angeles to Seoul Incheon typically take about 11–12 hours. From New York, expect around 14–15 hours nonstop. Connecting flights through Tokyo, Hong Kong, or Doha can add 3–6 hours depending on the layover.

When are the cheapest flights to South Korea available?

September is typically one of the cheapest months to fly to South Korea, with average round-trip fares from the US around $730. April and May can also offer good value. Booking 3–6 months ahead, with around four months often being a good target, can help you find better fares.

How long is a flight to Jeju Island, South Korea?

There are generally no nonstop flights from the US to Jeju. Most travelers fly to Seoul Incheon (ICN) first and then take a domestic flight to Jeju (CJU), which takes about 1 hour. Total travel time from the US can range from 13 to 20 hours depending on connections.

How long is a flight to Busan, South Korea?

Most travelers from the US fly to Seoul Incheon and connect to Busan Gimhae Airport (PUS), with the domestic flight taking about 1 hour. Some itineraries can connect to Busan through cities such as Tokyo or Osaka.

What's the flight time from Tokyo to Seoul, South Korea?

A nonstop flight from Tokyo to Seoul takes roughly 2 hours and 30 minutes. Korean Air, Asiana Airlines, and ANA operate frequent services between the two cities.

How do you book cheap flights to Seoul, South Korea?

Book around 3–6 months in advance, compare fares across multiple airlines, and consider flying on less busy weekdays such as Wednesday. Setting fare alerts on Triwize and traveling during lower-cost months such as September, October, April, or May can also help you save.

What is the price of flights from SFO to South Korea?

Round-trip flights from San Francisco (SFO) to Seoul Incheon commonly range from around $700–$950, depending on the season and booking date. Korean Air, Asiana Airlines, and United Airlines serve this major route, with fares sometimes dropping to around $650–$750 during September.

Is it safe to visit South Korea right now?

South Korea is generally considered a safe destination for travelers, with strong infrastructure, healthcare, and public transportation. Standard travel precautions are still recommended. Always check your government's latest travel advisory before departure.

How much is $100 US in Korea?

Exchange rates change frequently, but $100 USD has recently been around 130,000–135,000 Korean Won (KRW). The exact amount you receive depends on the current exchange rate and any exchange or ATM fees.

Does South Korea accept American dollars?

US dollars are not commonly used for everyday purchases in South Korea. Korean Won (KRW) is the local currency and is preferred for markets, street food, and smaller businesses. Credit cards such as Visa and Mastercard are widely accepted at hotels, restaurants, and larger retailers.

What should you avoid doing in South Korea as a tourist?

Respect local customs such as not writing someone's name in red ink, not placing chopsticks vertically in rice, and removing your shoes when entering homes and some traditional establishments. When dining with others, it's also customary to pour drinks for one another rather than only yourself.

What are the South Korea travel requirements for 2026?

US passport holders can generally enter South Korea visa-free for tourism for up to 90 days. K-ETA requirements for US travelers have been suspended, but entry rules can change. Travelers should have a valid passport and may need to meet additional entry requirements. Always verify the latest requirements with the official Korean immigration authorities before flying.

What are the best places to visit in South Korea for first-timers?

Seoul is the ideal starting point, with 4–5 days allowing time to explore its palaces, markets, neighborhoods, and attractions. Gyeongju is excellent for Korean history, Busan is great for beaches and food, and Jeju Island is ideal for nature and hiking. A DMZ day trip from Seoul is another popular experience.

What are the best places to visit in South Korea for families with kids?

Seoul is very family-friendly, with attractions such as Lotte World, COEX Aquarium, Children's Grand Park, and Everland. Jeju Island is also excellent for families, offering beaches, lava caves, and outdoor activities. The Korean Folk Village in Suwon and the War Memorial of Korea in Seoul provide educational experiences for children.

Plan your trip to South Korea

Terms and Conditions : Fares are sourced across 500+ airlines and include all taxes, surcharges, and Triwize service fees. Displayed prices are subject to change until ticketed. Tickets are nonrefundable, nontransferable, and subject to airline restrictions; name changes are not permitted. Triwize Coins are earned on qualified bookings, hold no cash value, are non-transferable, and may be modified or discontinued at any time. See full Terms for details.