Question 1

What is the cheapest month to fly to United States?

Accepted Answer

In general, November is the cheapest month to fly from Seoul 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 Seoul during February instead. Flights to United States in February, while not as cheap as those in November, still average around $609.

Question 2

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

Accepted Answer

As of January 2026, 367 flights take off from Seoul and land in United States each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.

Question 3

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

Accepted Answer

AIR PREMIA, Air Canada, and Hainan Airlines are the most popular carriers operating from Seoul to United States

Question 4

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 Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $905 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Seoul for as low as $733 on momondo.

Question 5

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

Accepted Answer

There are 4 cabin classes available to choose from on Seoul 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 6

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

Accepted Answer

52 flights are operational daily from Seoul to United States as of January 2026. The most popular departure time for this route is 9:00AM, with 56% of flights per day taking off in the evening.

Question 7

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 Seoul according to our data. AIR PREMIA is the first choice among our users, with 37% 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 8

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

Accepted Answer

Friday 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 9

Can stopping save me money on Seoul to United States flights?

Accepted Answer

You could potentially save up to 5% on your flight if you consider stops on a Seoul to United States flight.

Question 10

How often are flights from Seoul to the United States delayed?

Accepted Answer

Historically, on average around 0% of flights between Seoul and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Question 11

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 $898. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 Seoul. The lowest ticket price found for a Tuesday departure recently was $758. 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 $879. 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 Seoul to United States flight route?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

How long is the flight from Seoul to United States?

Accepted Answer

Flight times vary depending on what airport in Seoul 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 15h 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 16

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

Accepted Answer

Prices for flights from Seoul to United States refresh daily.

Question 17

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

Accepted Answer

As of January 2026, there are 9 operators available to choose from for flights from Seoul to United States.

Question 18

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

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to United States.

Question 19

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

Accepted Answer

The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$341
Fastest flight time	8h 20m
Direct flights	Every day
Airports in United States	4,296 airports

Airline	Rating	Free Cancellation	Price
AIR PREMIA	PriceFrom $333	Free Cancellation	Rating 8.3 77 reviews	Search AIR PREMIA flights
Hawaiian Airlines	PriceFrom $340	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $342	Free Cancellation	Rating 8.0 11,775 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $381	Free Cancellation	Rating 7.1 10,648 reviews	Search Air Canada flights
United Airlines	PriceFrom $417	Free Cancellation	Rating 7.4 9,192 reviews	Search United Airlines flights
Korean Air	PriceFrom $448	Free Cancellation	Rating 8.4 1,187 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $450	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights
Delta	PriceFrom $595	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
American Airlines	PriceFrom $718	Free Cancellation	Rating 7.2 11,177 reviews	Search American Airlines flights

Cheap flights from Seoul to the United States from $279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to the United States departing on 3/6. 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 Seoul 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 $898. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seoul to United States flight route?

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

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

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

There are 4 cabin classes available to choose from on Seoul to United States 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 Seoul to United States flights?

You could potentially save up to 5% on your flight if you consider stops on a Seoul to United States flight.

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

AIR PREMIA, Air Canada, and Hainan Airlines are the most popular carriers operating from Seoul to United States

What airlines fly to United States?

How often are flights from Seoul to the United States delayed?

Historically, on average around 0% of flights between Seoul and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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

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

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

Friday 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.

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

52 flights are operational daily from Seoul to United States as of January 2026. The most popular departure time for this route is 9:00AM, with 56% of flights per day taking off in the evening.

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

As of January 2026, 367 flights take off from Seoul and land in United States each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.

How long is the flight from Seoul to United States?

Cheap Seoul to United States flight deals and tips

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

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

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

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

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

Best airlines flying from Seoul to United States

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