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 $1,517 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 $1,342 on momondo.

Question 2

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 3

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 46% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 24 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Question 4

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

Accepted Answer

No. A direct flight is the cheapest option for a flight between United States to South Korea.

Question 5

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 morning is the least expensive time of day to depart. momondo users have found prices as low as $838 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $930 on average. Flights to South Korea from United States in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 6

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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,104.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

As of August 2025, there are 56 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 in the evening.

Question 9

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 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 55m.

Question 10

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

Accepted Answer

AIR PREMIA and WestJet are the most popular carriers operating from United States to South Korea

Question 11

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 Monday. momondo users have found tickets for Monday departures for as low as $823. 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 $997.

Question 12

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

Accepted Answer

As of August 2025, there are 395 flights per week flying from United States to South Korea. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

Question 13

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 14

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

Accepted Answer

As of August 2025, there are 23 operators available to choose from for flights from United States to South Korea.

Question 15

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 16

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.

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $54	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
Delta	PriceFrom $318	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
XiamenAir	PriceFrom $363	Free Cancellation	Rating 6.6 41 reviews	Search XiamenAir flights
Hawaiian Airlines	PriceFrom $422	Free Cancellation	Rating 7.8 2,613 reviews	Search Hawaiian Airlines flights
China Airlines	PriceFrom $528	Free Cancellation	Rating 8.3 755 reviews	Search China Airlines flights
WestJet	PriceFrom $549	Free Cancellation	Rating 7.2 2,980 reviews	Search WestJet flights
Air Canada	PriceFrom $577	Free Cancellation	Rating 7.1 9,855 reviews	Search Air Canada flights
China Eastern	PriceFrom $640	Free Cancellation	Rating 7.2 159 reviews	Search China Eastern flights
Air China	PriceFrom $643	Free Cancellation	Rating 7.3 93 reviews	Search Air China flights
Alaska Airlines	PriceFrom $675	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Cheap flights from the United States to South Korea from $312

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AIR PREMIA flights from United States to South Korea

Our best AIR PREMIA deals on United States to South Korea flight tickets

China Eastern flights from United States to South Korea

Our best China Eastern deals on United States to South Korea flight tickets

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,104.

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 San Francisco 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?

No. A direct flight is the cheapest option for a flight between United States to South Korea.

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

AIR PREMIA and WestJet are the most popular carriers operating from United States to South Korea

What airlines fly to South Korea?

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

As of August 2025, there are 56 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 in the evening.

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

As of August 2025, there are 395 flights per week flying from United States to South Korea. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.

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

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?

Can I find flights from United States to South Korea with flexible booking policies on momondo?

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

I’m not ready to book a flight from United States to South Korea right now. Can momondo alert me if prices change?

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