$363 Find Cheap Flights to South Korea

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from the United States to South Korea departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seoul
Incheonnonstop$781
Jeju City
Jeju City1 stop$1,009
Busan
Busan1 stop$852
Daegu
Daegu1 stop$855
Seoul
Incheonnonstop$781
Jeju City
Jeju City1 stop$1,009
Busan
Busan1 stop$852
Daegu
Daegu1 stop$855

Book Cheap South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to South Korea

Wed, Jul 29 - Tue, Oct 6
Asiana Airlines Logo
10:40 am - 3:00 pm
SFO
-
ICN
12h 20mnonstop
Asiana Airlines Logo
5:15 pm - 11:32 pm
ICN
-
SFO
22h 17m
1 stop
$781Asiana Airlines
Sat, Sep 12 - Sun, Sep 20
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pm
ICN
-
SFO
11h 00mnonstop
$784AIR PREMIA
Sat, Sep 12 - Sat, Sep 26
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$785AIR PREMIA
Mon, Aug 10 - Tue, Aug 25
Philippine Airlines Logo
12:30 am - 7:15 pm
SFO
-
ICN
26h 45m
1 stop
Philippine Airlines Logo
7:20 am - 9:10 pm
ICN
-
SFO
29h 50m
1 stop
$786Philippine Airlines
Sun, Jul 19 - Thu, Sep 24
United Airlines Logo
11:55 pm - 4:20 am
SFO
-
ICN
12h 25mnonstop
United Airlines Logo
11:30 am - 6:20 am
ICN
-
SFO
10h 50mnonstop
$791United Airlines
Sun, Jul 19 - Mon, Jul 27
Asiana Airlines Logo
12:10 am - 4:00 am
SEA
-
ICN
11h 50mnonstop
Asiana Airlines Logo
9:20 pm - 3:45 pm
ICN
-
SEA
10h 25mnonstop
$922Asiana Airlines
Mon, Jul 20 - Mon, Jul 27
Air Canada Logo
5:45 am - 4:05 pm
SEA
-
ICN
18h 20m
1 stop
Air Canada Logo
5:45 pm - 6:32 pm
ICN
-
SEA
16h 47m
1 stop
$924Air Canada
Fri, Nov 20 - Mon, Nov 30
Air Canada Logo
7:30 am - 6:25 pm
EWR
-
ICN
20h 55m
2 stops
Air Canada Logo
6:55 pm - 1:03 pm
ICN
-
EWR
32h 08m
2 stops
$1,079Air Canada
Mon, Sep 21 - Fri, Oct 2
Alaska Airlines Logo
9:00 am - 5:30 pm
EWR
-
ICN
19h 30m
1 stop
Alaska Airlines Logo
7:35 pm - 6:30 am
ICN
-
EWR
23h 55m
1 stop
$1,086Alaska Airlines
Sun, Sep 6 - Sat, Sep 26
Alaska Airlines Logo
8:12 pm - 5:30 pm
JFK
-
ICN
32h 18m
1 stop
Alaska Airlines Logo
7:35 pm - 7:19 am
ICN
-
JFK
24h 44m
2 stops
$1,224Alaska Airlines
Booking Insights

KAYAK's insights & trends for flights to South Korea

Get data-powered insights and trends for flights to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to South Korea?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

The cheapest ticket to South Korea from the United States found in the last 5 days was to Incheon Intl Airport, at $697 round-trip. The most popular route is Atlanta (ATL) to Incheon Intl Airport (ICN) and the cheapest round-trip airline ticket found on this route in the last 5 days was $697.

How much is a flight to South Korea?

The average and cheapest price for all round-trip flights to South Korea from each origin found by users searching on KAYAK in the last month.

A flight to South Korea costs $975 on average. The cheapest price found on KAYAK in the last 2 weeks was $409 for the route San Francisco (SFO) to Incheon Intl Airport (ICN). The most popular routes on KAYAK are Los Angeles to Seoul which costs $1,085 on average, and New York to Seoul, which costs $1,510 on average.

See prices from:

What is the cheapest month to fly from the United States to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United States to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United States to South Korea is November, when tickets cost $516 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $891 and $780 respectively.

What is the cheapest time of day to fly to South Korea?

The average price for all round-trip flights from the United States to South Korea depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to South Korea is generally at night, when round-trip flights cost $772 on average. The most expensive time of day to fly to South Korea is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $996.

How far in advance should I book a flight from the United States to South Korea?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from the United States to South Korea, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Which is the cheapest airport to fly into in South Korea?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in South Korea is Incheon Intl Airport (ICN), with an average flight price of $743.

Good to know

Low seasonJanuary
Cheapest flight$363
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Seattle to Seoul Incheon Airport

Flights to South Korea: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew to South Korea 
Verified travelerFlew with Asiana Airlines
JFK
-
ICN
Apr 2026
Incheon is a great hub but at least 2-3 hrs of layover are necessary if connecting to other countries.
AngelitaFlew with Korean Air
SEA
-
ICN
Mar 2026
Get an earliest flight as possible because of less traffic
Verified travelerFlew with Asiana Airlines
SFO
-
ICN
Mar 2026
Walk straight to arrivals upon getting to Incheon, and take their airport bus route if convenient.
AvikFlew with Delta
SEA
-
ICN
Dec 2025
Pack food I guess , especially if traveling with little Kids
Verified travelerFlew with Asiana Airlines
JFK
-
ICN
Nov 2025
Download movies onto your iPad because they don’t have a lot of movies.
Verified travelerFlew with Asiana Airlines
JFK
-
ICN
Jun 2025
Do not check a bag bring a carry on
Verified travelerFlew with Korean Air
DFW
-
ICN
Mar 2025
Get up and walk around every 3-4 hours. Turbulence is (kind of) unpredictable and sometimes you cannot get up so take advantage when you can.
Verified travelerFlew with Korean Air
ATL
-
ICN
Apr 2025
Bring something for your bottom. It’s a really long flight and your bottom is going to get sore.
lizFlew with Asiana Airlines
SEA
-
ICN
May 2024
Do try to snooze on long haul flights, bring a good book to read, choose an aisle seat.
Verified travelerFlew with Korean Air
ATL
-
ICN
May 2024
As I have two connections international flight. Whether the check luggage goes to the final destination automatically, and how many free check luggages need to advice clearly while booking. Since the two code sharing air flight companies provided different information which was very confusion.
ZachFlew with Korean Air
JFK
-
ICN
Dec 2023
BRING YOUR OWN WATER! They don't serve much for a long flight and I kept having to ask the cabin crew for more.

FAQs - booking South Korea flights

  • Are there nonstop flights to South Korea?

    There are several nonstop flights to South Korea from US cities like Los Angeles, Seattle, San Francisco, Honolulu, Chicago, New York and other major cities, but only if you’re traveling to Seoul. Flying to other areas in Korea from the US will involve at least one stop, with common layover points including Seoul, Taipei and Hong Kong.

  • Is a visa necessary to visit South Korea?

    United States citizens can visit South Korea for up to 90 days without a visa; however, you must present a passport that’s valid for the entire duration of your stay when you arrive in South Korea.

  • Where should I fly into South Korea to be convenient to Japan?

    If you’ll be traveling on to Japan after spending time in South Korea, flying to Busan will set you up for a convenient onward flight. Busan is located on the southern coast of South Korea and is located only 519 mi away from Japan. Flights between Busan and Fukuoka are generally less than 1h long and operate via Air Busan, Korean Air and Jeju Air.

  • Which Seoul airport should I fly into?

    There are two large airports in Seoul: Seoul Incheon Airport (ICN) and Gimpo Airport (GMP). Incheon is a little further away from Seoul than Gimpo, but you’re unlikely to find a flight from the United States that arrives in Gimpo, often making it the only choice unless you’re making a stop between the US and South Korea.

  • Which nearby cities are accessible to visitors arriving at the Gimpo International Airport (GMP) in South Korea?

    Travelers are able to explore a few additional sites close to GMP Airport. You can take a taxi, hire a car, or take public transit from the GMP Airport to the adjacent cities of Bucheon, Gwangmyeong, Goyang, and Incheon. Each of the aforementioned cities' central business districts are fewer than 19 miles from GMP.

  • If I want to be close to sporting events in South Korea, which airport should I use as my arrival point?

    When visiting South Korea, American sports enthusiasts should think about flying into Gimhae International Airport (PUS). Busan Asiad Main Stadium, Gudeok Stadium, and Sajik Baseball Stadium are stadiums close to PUS that hosts international and domestic sporting events, particularly on weekends.

  • Are there any specific services or rules for bringing pets on the flight to KR0 from USO?

    Yes. When traveling to South Korea on the USO-KR0 route, passengers do not need to worry about the security of their dogs. The majority of US airports, like Los Angeles International Airport (LAX) and JFK, that provide USA-South Korea flights permit visitors to enter the airport with their pets.

  • Which airport in the northwest of the United States has the most visitors going to South Korea?

    The majority of Americans traveling from the country's northwest to South Korea prefer to fly through Seattle-Tacoma International Airport (SEA). Unfortunately, there are currently no direct flights connecting SEA with KR0. Passengers can only take indirect flights.

  • How does KAYAK find such low prices on flights from the United States to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from the United States to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United States to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United States to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from the United States to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from the United States to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from the United States to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from the United States to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to South Korea?

    Based on KAYAK data, the cheapest day to fly to South Korea is Wednesday where round-trip tickets can be as cheap as $906. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,041 on average.

Top tips for finding cheap flights to South Korea

  • Looking for cheap airfare to South Korea? 25% of our users found round-trip tickets to South Korea for the following prices or less: From Los Angeles $1,372, from Boston $2,290, from Las Vegas $2,628
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest South Korea flight deals.
  • When you’re booking your flight to South Korea from the US, there are a few different cities you can fly into. Seoul and Busan are the biggest cities in South Korea, making them popular choices to fly into. Flying into Seoul will give you better access to northern South Korea and Busan will give you better access to southern South Korea.
  • While some hotels in South Korea may accept US Dollars, you can often get a better rate by using the country’s local currency: The South Korean Won. Visa and Mastercard are accepted by most businesses, though it can be handy to have some cash on hand for street vendors and other instances where cards aren’t readily accepted.
  • For travelers looking to visit the border with North Korea, you’ll benefit by flying into Seoul. Most of the international flight traffic from South Korea to the United States comes through Seoul and flying there puts you in close proximity to the DMZ. From Seoul you can take the designated DMZ Peace Train straight to the Demilitarized Zone.
  • If you’re looking to fly into a city where you can have equal access to the rest of South Korea, it can be handy to fly into Daegu. Not only is Daegu a popular destination and a major South Korean city, it is located conveniently towards the center of the country.
  • Jeju Island is one of South Korea’s most popular tourist destinations outside of the major cities, and there are a few different ways to get there. You can take a flight to Jeju from the US, with a likely layover in Taipei or Seoul, or you can fly to Busan and take a ferry the rest of the way.
  • The majority of Americans who visit South Korea choose to fly through John F. Kennedy International Airport (JFK). This airport is well-liked since it serves as a hub for so many reputable airlines that fly internationally from the United States. Due to pricing competition, travelers departing from this airport for South Korea are likely to receive ticket discounts.
  • If your flight from the US is planned to land in South Korea at night and you're taking the Incheon International Airport (ICN) from the JFK route, you might want to think about reserving a hotel next to the ICN Airport. Choosing the Incheon Airport Transit Hotel, located at Terminal 1, is one of the best considerations. This airport provides a complimentary shuttle service to and from ICN Airport.
  • The best option for US parents who want to take their kids on holiday to South Korea is likely to be a flight on Korean Air 86, Asiana 221, or Korean Air 82 through JFK to ICN. Non-stop flights from the USA to South Korea are available year-round from this airport. There is a lower likelihood that your children will be exhausted before landing in South Korea from the USA thanks to the availability of direct flights, which make it possible for travelers to get there in the minimum period of time.
  • The best spot for travelers to unwind while waiting for a flight to their intended destinations is in airport lounges. The majority of low-cost American passengers who want to unwind in an airport lounge on their way to South Korea opt to depart through Salt Lake City International Airport (SLC). Travelers on a tight budget can comfortably relax at Delta Sky Club at the SLC Airport, which provides first-rate amenities at a competitive price.
  • Passengers suffering from mobility challenges need to think about departing from JFK Airport and landing at Jeju International Airport (CJU) when going to South Korea. Visitors with particular requirements and mobility issues can request free aid with their bags, medical support, plus wheelchair transfer from a cab to an aircraft at JFK and CJU Airports.

Reviews of the top 5 airlines flying to South Korea

 
Need help choosing which airline to fly with from the United States to South Korea? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1218 reviews
8.7Crew
8.5Boarding
8.3Comfort
8.1Food
8.2Entertainment
Airline reviews

Aircraft is pretty old. Seat is not comfortable. Meal quality is disappointing. Entertainment system is not impressive at all.

4.0 OkayAnonymous, Apr 2026
GMP - CJU
Read more Korean Air reviews

Aircraft is pretty old. Seat is not comfortable. Meal quality is disappointing. Entertainment system is not impressive at all.

Always on time and flight crew were great. Boarding in Manila was a bit chaotic and disorganized compared to Incheon.

Never had a flight delay issue with Korean Air, that's why I always go with this airline.

Flight crew were very attentive and made this trip a pleasure. Plus the fact that this our first time flying business class.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I normally love Korean Air, but this trip was not great. We boarded the plan and were settling into our seats. My son and I use these leg swings and we used it on the trip over to Cambodia, but on the way back the flight attendant very rudely told us we could not use it and that it was against regulations. I asked to see the regulation, but never saw it. The food on this trip was horrible as well, Even my son's kids meal was disgusting so we didn't eat anything on the flight. Thankfully we brought snacks. Entertainment - what happened to the games?

Reasonable fair, good service, in sum, I am very happy!

Courteous crew and effective service on-board. Good leg room. Areas for improvement: 1. Limited menu meal menu options. During checking there was no means provided to select meal option. On our return flight the first meal had Pork and Beef options only. Fortunately the second meal had Chicken as an option. Otherwise we would have gone without meal through 13+ hrs of journey, 2. Limited choice and very limited number of movies and TV shows.

I booked this airline twice. The first time, they cancelled the flight due to destination weather condition but without offering any optional flight but only a cancelation notice sent via SMS. I had no choice but to re-book United airline with the same travel date and destination. (no impact on the weather condition Air Premia claimed) The second time, my husband missed the flight due to local traffic in Seoul. Normally, all major airline would helped you to re-book the same flight next day with changing fee only. But Air Premia offered nothing and only requested my husband to re-book a full price ticket.

Don't splurge for the Premium Wide Economy. They compare it to business class. This is not business class, and the seats are very uncomfortable.

For the second meal, the different food choices ran out both times so we were only offered one.

Seating was good in the economy with plenty of leg room. The seat cushions were a little firm though, especially for such a long flight. All meals were Korean as would be expected. The food was typical airline quality. Edible, but not something you would recommend to friends. Inflight entertainment was also all Korean but Korean tv and movies are made well and you can find something to watch. Just be prepared to read subtitles. Overall it was a good flight, especially for the price.

The crews were friendly, professional and courteous. Checking in was easy and smooth. The best part is, as we all know, the price.

The person in front of me was rude. He may came from some communism countries and don’t care of other people. No common manner and sense between human being.

Very nice staff, airplanes, and an excellent value in premium economy.

Food quality is poor. Flight attendants are very friendly and professional.

Humm, I should have known that the seat I peaked on my flight from Inchon to Manila was designed for a toddler or very small person.

The staff hold my luggage to steel and exchange my stub, i was very disappointed.

Kayak along with airfare assay are attempting to steal my money. Charges are being pressed.

Customer service and attention to details. The food was good.

Felt like the oldest plane in Asiana Fleet. Screen was 5-6in only and no charging at all. Movie selection wasn't great.

I’d have rated Asiana good except an unfortunate incident in which I felt one of your employee didn’t really help us. During the first leg of the trip, the flight from LAX to ICN, I left my backpack on the plane. When I realized, I reported to one of your employee who promised me that it’d be taken care of, that my backpack will be there at HCM city. When we arrived there, HCM people had no idea and my backpack was still at Incheon airport who denied any knowledge whatsoever. I was left in the cold and felt helpless. I was very disappointed. I’d like someone to look into this and let me know.

It was my first time flying Asiana but i was very pleased with how professional and understanding the flight crew is with little kids. One flight attendant held my 3 year old daughter’s hand guiding her to the exit after landing while i had my hands full with luggage and my infant. She was very helpful.

The customer service was excellent. They noticed that our connecting flight was scheduled too closely for us to complete customs, so they changed the flight. Our initial flight was delayed, and they were able to get us on another flight, all without charging us any additional fees. I would fly them again anytime!

Better screens, it would have been nice to have more comfortable seats.

2nd major delay due to maintenance issues. 1st delay missed my connecting flight.

Should never have had to go to Detroit from Orlando back to Tennessee!

Got rerouted from a straight flight from Orlando to Atlanta to Knoxville to a flight from Orlando to Detroit to Knoxville! Seriously!! Flight delay out of Detroit! Long day for what should have been a pretty easy travel day!

Two delays on two separate planes with parts they could not easily find and replace.

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Only beverages were offered to first class and I thought the flight attendant could have also served the Delta Comfort as well instead of sitting down and staring at her phone and walking past all of us to the back of the plane to charge her phone more. There was a complete lack of turbulence and was safe enough for flights attendant to walk around in the front of the plane, collect trash and serve a few people water and turn off the seat belt light. Also didn’t enforce people putting their seats into the upright position and allowed two passengers to remain reclined during landing. They seemed out to lunch completely. Usually my experience on Delta is much better.

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Flight was great! This flight from Atlanta was even better than when I paid for Comfort from SNA to Atlanta.

Connection flights should be spaced out farther because too close I missed my connection.

Definitely a southern flavor. Cordiality was evident even though no drinks or snacks were served.

On time! There were plenty of airport employees who were able to keep us moving in the right direction. The crew on the plane were professional.

Our flight was delayed several Times due to mechanical issues. Although I understand this may happen at times, it was very inconvenient and we had to book a hotel for an overnight stay. We were traveling with my 3-yo grandson and waiting at the airport from noon until 6:30pm with no reassurance that our next rescheduled flight would depart, we had to decide what’s best for him. A day later, I found out that I may be able to demand compensation if my flight is delayed more than 4 hours. I will hav to read the fine print next time.

Flight cancelled instead of leaving Friday am now, maybe, leaving Sunday

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

Service was professional and quick. Premium economy seat was comfortable given the class

one of the flight attendants on the Dallas to frankfurt leg was somewhat rude..

I'm a United 1K member and have ben for 10 years. The gate agent had no control over the boarding process and had us passengers queued for hours as delays were announced. On the plane, the overhead air nozzle was broken so col over was powering through on me and the passenger next to me. Not a great experience for a million miler on United. Feel free to contact me. Josh Smigel - DM426089

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

It was perfect! United Airlines staff was extremely caring, super friendly and professional

The staff was extremely helpful and friendly at all times! They went above and beyond to get us into an earlier flight in San Diego to make our connection in SFO possible, because our original flight did actually not make it! I did so much appreciate the UA team and how they made this possible. We also didn’t have seats together on the long flight to Singapore, but they found us seats together last moment with no additional cost! Nobody sat next to us, so that we were able to sleep! Thanks to UA for improving their service and Underpricer for booking this trip! Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future

Everything you need to know for your flight to South Korea

Cabin class types available on flights to South Korea

Cabin classes available on flights to South Korea. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.