Question 1

What is the cheapest time of day to depart on your flight to United States?

Accepted Answer

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $535. Try not to purchase tickets in the morning because they tend to be around $868. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 2

How far in advance should I book a flight to United States?

Accepted Answer

You are more likely to see cheaper flights to United States from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from South Korea for as low as $733 on momondo.

Question 3

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

Accepted Answer

Historically, on average around 21% of flights between South Korea and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

Question 4

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

Accepted Answer

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

Question 5

What is the cheapest month to fly to United States?

Accepted Answer

In general, November is the cheapest month to fly from South Korea to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $508. If you aren’t able to travel during the month of November, then book flights to United States from South Korea during February instead. Flights to United States in February, while not as cheap as those in November, still average around $608.

Question 6

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

Accepted Answer

According to our data, Air Antilles have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

As of February 2026, there are 380 flights per week flying from South Korea to United States. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

Question 11

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

Accepted Answer

Flight times vary depending on what airport in South Korea you fly out of and what airport in United States you fly into. For example, flying from Incheon to Los Angeles takes 11h on average. On the other hand, flying from Seoul to Los Angeles takes 14h 50m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Question 12

What is the cheapest day to depart on your flight to United States?

Accepted Answer

According to our data, Tuesday is the cheapest day to fly to United States from South Korea. The lowest ticket price found for a Tuesday departure recently was $738. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $856. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

The number of flights available between South Korea and United States is 54 per day as of February 2026. The most frequent departure time is 9:00AM, with 55% of daily flights leaving in the evening.

Question 15

What airlines fly to United States?

Accepted Answer

AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to United States from South Korea according to our data. AIR PREMIA is the first choice among our users, with 38% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 9 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Question 16

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

Accepted Answer

Prices for flights from South Korea to United States were last updated today.

Question 17

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

Accepted Answer

As of February 2026, there are 9 operators available to choose from for flights from South Korea to United States.

Question 18

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

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 South Korea to United States.

Question 19

What documentation or ID do you need to fly to United States?

Accepted Answer

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best Price Found	$349
Fastest flight time	8h 20m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in United States	4,296 airports

Airline	Rating	Free Cancellation	Price
AIR PREMIA	PriceFrom $333	Free Cancellation	Rating 8.3 78 reviews	Search AIR PREMIA flights
Hawaiian Airlines	PriceFrom $340	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $347	Free Cancellation	Rating 8.0 11,851 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $381	Free Cancellation	Rating 7.1 10,697 reviews	Search Air Canada flights
United Airlines	PriceFrom $404	Free Cancellation	Rating 7.4 9,253 reviews	Search United Airlines flights
Korean Air	PriceFrom $448	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $450	Free Cancellation	Rating 8.1 503 reviews	Search Asiana Airlines flights
Delta	PriceFrom $595	Free Cancellation	Rating 7.9 8,171 reviews	Search Delta flights
American Airlines	PriceFrom $718	Free Cancellation	Rating 7.2 11,250 reviews	Search American Airlines flights

Cheap flights from South Korea to the United States from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to the United States departing on 4/21. 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 South Korea to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $535. Try not to purchase tickets in the morning because they tend to be around $868. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to United States?

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

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

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

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

What airlines fly to United States?

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

Historically, on average around 21% of flights between South Korea and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

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

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

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

According to our data, Air Antilles have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

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

The number of flights available between South Korea and United States is 54 per day as of February 2026. The most frequent departure time is 9:00AM, with 55% of daily flights leaving in the evening.

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

As of February 2026, there are 380 flights per week flying from South Korea to United States. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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

Cheap South Korea to United States flight deals and tips

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

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

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

What documentation or ID do you need to fly to United States?

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Best airlines flying from South Korea to United States

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How can momondo help me find flights from South Korea to United States?

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