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 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United States to South Korea
Recent round-trip flight deals from the United States to South Korea
Recent one-way flight deals from the United States to South Korea
Recent last minute flight deals from the United States to South Korea
Recent direct flight deals from the United States to South Korea
Air China flights from United States to South Korea
Our best Air China deals on United States to South Korea flight tickets
AIR PREMIA flights from United States to South Korea
Our best AIR PREMIA deals on United States to South Korea flight tickets
See travel insights to South Korea from
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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,120.
What is the cheapest day to depart on your flight to South Korea?
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 $898. 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 $1,136.
What is the cheapest time of day to depart on your flight to South Korea?
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 $922 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 $1,068 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.
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?
You are more likely to see cheaper flights to South Korea from United States when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,576 when searching 20 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 $1,320 on momondo.
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.
What is the cheapest airline that flies from United States to South Korea?
AIR PREMIA, China Southern, and China Eastern are the most popular carriers operating from United States to South Korea
What airlines fly to South Korea?
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 38% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 27 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to South Korea on average per day?
As of March 2025, there are 57 flights per day flying from United States to South Korea. The most common time of day flights depart is 11:00PM, with 47% of flights taking off in the evening.
How many flights depart from United States to South Korea on average per week?
As of March 2025, there are 402 flights per week flying from United States to South Korea. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.
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
Best Price Found | $339 |
|---|---|
Fastest flight time | 12h 10m |
Direct flights | Every day |
Airports in South Korea | 2 airports |
When did momondo last update prices for flights from United States to South Korea?
Prices for flights from United States to South Korea are updated daily.
How many operators does momondo search for flights from United States to South Korea?
As of March 2025, there are 26 operators available to choose from for flights from United States to South Korea.
How old do you have to be to fly from United States to South Korea?
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.
What documentation or ID do you need to fly to South Korea?
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.
What is the most popular plane model from United States to South Korea?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to South Korea is Boeing 787-9 Dreamliner (21.76% of total bookings). The next most popular plane models are Boeing 777-300ER (20.27%), Airbus A350-900 (15.11%), and Airbus A380-800 (12.72%).
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
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 6.0 3,293 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 8.5 17 reviews | |||
| PriceFrom $399 | Free Cancellation | Rating 6.6 41 reviews | |||
| PriceFrom $403 | Free Cancellation | Rating 7.9 2,318 reviews | |||
| PriceFrom $409 | Free Cancellation | Rating 7.4 45 reviews | |||
| PriceFrom $476 | Free Cancellation | Rating 7.2 2,778 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $633 | Free Cancellation | Rating 7.0 81 reviews | |||
| PriceFrom $640 | Free Cancellation | Rating 7.0 127 reviews | |||
| PriceFrom $755 | Free Cancellation | Rating 7.3 3,756 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to South Korea?
Finding the right flight to South Korea from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to South Korea quick and easy, saving you time and money.
Can I find flights from United States to South Korea with flexible booking policies on momondo?
All flight searches from United States to South Korea on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from United States to South Korea?
momondo helps you find the best flight between United States and South Korea by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from United States to South Korea right now. Can momondo alert me if prices change?
Price alerts on flights to South Korea from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.