Question 1

How far in advance should I book a flight to South Korea?

Accepted Answer

You are more likely to see cheaper flights to South Korea from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from United States for as low as $1,350 on momondo.

Question 2

What is the most punctual flight time for the United States to South Korea flights?

Accepted Answer

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 3

Can stopping save me money on United States to South Korea flights?

Accepted Answer

You could potentially save up to 21% on your flight if you consider stops on a United States to South Korea flight.

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 5

How many flights depart from United States to South Korea on average per week?

Accepted Answer

As of January 2026, there are 383 flights per week flying from United States to South Korea. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Question 6

What is the cheapest day to depart on your flight to South Korea?

Accepted Answer

On average, the least expensive day to fly to South Korea from United States is on a Sunday. momondo users have found tickets for Sunday departures for as low as $768. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United States to South Korea for around $917.

Question 7

Which airline has the best punctuality record on the United States to South Korea flights?

Accepted Answer

According to our data, Hawaiian Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

Question 8

What is the cheapest time of day to depart on your flight to South Korea?

Accepted Answer

Flying to South Korea from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $805 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $876 on average. Flights to South Korea from United States at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 9

How often are flights from the United States to South Korea delayed?

Accepted Answer

Historically, on average around 23% of flights between United States and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 193 minutes.

Question 10

What is the cheapest United States to South Korea flight route?

Accepted Answer

Fly from Newark to Incheon Intl for the best United States - South Korea flight prices

Question 11

How many flights depart from United States to South Korea on average per day?

Accepted Answer

As of January 2026, there are 54 flights per day flying from United States to South Korea. The most common time of day flights depart is 11:00PM, with 49% of flights taking off at noon.

Question 12

What cabin class options are available on United States to South Korea flights?

Accepted Answer

There are 4 cabin classes available to choose from on United States to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 13

What is the cheapest airline that flies from United States to South Korea?

Accepted Answer

AIR PREMIA, Philippine Airlines, and Asiana Airlines are the most popular carriers operating from United States to South Korea

Question 14

What airlines fly to South Korea?

Accepted Answer

AIR PREMIA, Korean Air and Asiana Airlines are the top three most popular airlines that fly to South Korea from United States according to our data. AIR PREMIA is the first choice among our users, with 43% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 25 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Question 15

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

Accepted Answer

The flight from United States to South Korea depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from San Francisco (a popular airport in United States) to Incheon Intl Airport (the most popular airport in South Korea), then the flight time is 12h 40m on average. If you fly from Los Angeles (another popular airport in United States) to Incheon Intl Airport, then the average flight time is 12h 50m.

Question 16

What is the cheapest month to fly to South Korea?

Accepted Answer

If you aren’t able to travel to South Korea during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,020.

Question 17

When did momondo last update prices for flights from United States to South Korea?

Accepted Answer

Prices for flights from United States to South Korea are updated daily.

Question 18

How many operators does momondo search for flights from United States to South Korea?

Accepted Answer

As of January 2026, there are 24 operators available to choose from for flights from United States to South Korea.

Question 19

How old do you have to be to fly from United States to South Korea?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to South Korea.

Question 20

What documentation or ID do you need to fly to South Korea?

Accepted Answer

The travel and health documents you'll need for your trip to South Korea may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Korea. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best Price Found	$279
Fastest flight time	9h 50m
Direct flights	Every day
Airports in South Korea	24 airports

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $54	Free Cancellation	Rating 5.7 3,063 reviews	Search Frontier flights
WestJet	PriceFrom $152	Free Cancellation	Rating 7.2 3,235 reviews	Search WestJet flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,023 reviews	Search Delta flights
XiamenAir	PriceFrom $353	Free Cancellation	Rating 6.6 41 reviews	Search XiamenAir flights
Hawaiian Airlines	PriceFrom $478	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights
China Southern	PriceFrom $578	Free Cancellation	Rating 7.5 125 reviews	Search China Southern flights
Air China	PriceFrom $592	Free Cancellation	Rating 7.2 136 reviews	Search Air China flights
China Eastern	PriceFrom $622	Free Cancellation	Rating 7.2 187 reviews	Search China Eastern flights
Japan Airlines	PriceFrom $630	Free Cancellation	Rating 8.3 1,671 reviews	Search Japan Airlines flights
Singapore Airlines	PriceFrom $651	Free Cancellation	Rating 8.1 1,427 reviews	Search Singapore Airlines flights

Cheap flights from the United States to South Korea from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to South Korea departing on 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from United States to South Korea

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,020.

What is the cheapest day to depart on your flight to South Korea?

What is the cheapest time of day to depart on your flight to South Korea?

What is the cheapest United States to South Korea flight route?

Fly from Newark to Incheon Intl for the best United States - South Korea flight prices

How far in advance should I book a flight to South Korea?

What cabin class options are available on United States to South Korea flights?

There are 4 cabin classes available to choose from on United States to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to South Korea flights?

You could potentially save up to 21% on your flight if you consider stops on a United States to South Korea flight.

What is the cheapest airline that flies from United States to South Korea?

AIR PREMIA, Philippine Airlines, and Asiana Airlines are the most popular carriers operating from United States to South Korea

What airlines fly to South Korea?

How often are flights from the United States to South Korea delayed?

Historically, on average around 23% of flights between United States and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 193 minutes.

What is the most punctual flight time for the United States to South Korea flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United States to South Korea flights?

According to our data, Hawaiian Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

How many flights depart from United States to South Korea on average per day?

As of January 2026, there are 54 flights per day flying from United States to South Korea. The most common time of day flights depart is 11:00PM, with 49% of flights taking off at noon.

How many flights depart from United States to South Korea on average per week?

As of January 2026, there are 383 flights per week flying from United States to South Korea. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

Cheap United States to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to South Korea

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When did momondo last update prices for flights from United States to South Korea?

How many operators does momondo search for flights from United States to South Korea?

How old do you have to be to fly from United States to South Korea?

What documentation or ID do you need to fly to South Korea?

What is the most popular plane model from United States to South Korea?

Best airlines flying from United States to South Korea

Compare and see reviews for airlines that fly from United States to South Korea with momondo

Why use momondo?

Why should I use momondo to find a flight deal from United States to South Korea?

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