Cheap flights from the United States to Seoul from $340
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 Seoul departing on 4/2. 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 Seoul
Recent round-trip flight deals from the United States to Seoul
Recent one-way flight deals from the United States to Seoul
Recent last minute flight deals from the United States to Seoul
Recent direct flight deals from the United States to Seoul
AIR PREMIA flights from United States to Seoul
Our best AIR PREMIA deals on United States to Seoul flight tickets
United Airlines flights from United States to Seoul
Our best United Airlines deals on United States to Seoul flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from United States to Seoul
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 Seoul?
The month of February is another great option to travel to Seoul, with average flight prices from United States averaging around $1,149.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Wednesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Wednesday departure recently was $1,288. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,428.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from United States in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,241 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,416 per ticket.
What is the cheapest United States to Seoul flight route?
Fly from San Francisco to Incheon Intl for the best United States - Seoul flight prices
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from United States when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,595 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from United States for as low as $1,403 on momondo.
What cabin class options are available on United States to Seoul flights?
There are 4 cabin classes available to choose from on United States to Seoul 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 Seoul?
AIR PREMIA, China Southern, and China Eastern are the most popular carriers operating from United States to Seoul
What airlines fly to Seoul?
AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul 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 Seoul. Keep in mind that there are 28 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Seoul on average per day?
47 flights are operational daily from United States to Seoul as of March 2025. The most popular departure time for this route is 11:00AM, with 52% of flights per day taking off at noon.
How many flights depart from United States to Seoul on average per week?
334 flights are operational weekly from United States to Seoul as of March 2025. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.
Cheap United States to Seoul flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Seoul
When did momondo last update prices for flights from United States to Seoul?
Prices for flights from United States to Seoul are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Seoul?
As of March 2025, there are 27 operators available to choose from for flights from United States to Seoul.
How old do you have to be to fly from United States to Seoul?
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 Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents you'll need for your trip to Seoul 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 Seoul. 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 Seoul?
Based on momondo bookings for flights between United States and Seoul, the leading plane model is Boeing 787-9 Dreamliner, making up 21.69% of the total bookings. Other popular models include Boeing 777-300ER with 19.95%, Airbus A350-900 with 14.30%, and Airbus A380-800 with 13.30%.
Best airlines flying from United States to Seoul
Compare and see reviews for airlines that fly from United States to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 6.0 3,314 reviews | |||
| PriceFrom $180 | Free Cancellation | Rating 8.6 16 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 2,786 reviews | |||
| PriceFrom $633 | Free Cancellation | Rating 7.1 84 reviews | |||
| PriceFrom $644 | Free Cancellation | Rating 7.0 127 reviews | |||
| PriceFrom $755 | Free Cancellation | Rating 7.3 3,780 reviews | |||
| PriceFrom $775 | Free Cancellation | Rating 7.4 621 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to Seoul?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from United States.
Can I find flights from United States to Seoul with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seoul from United States with this policy.
How can momondo help me find flights from United States to Seoul?
momondo helps you find the best flight between United States and Seoul 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 Seoul right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from United States and alert you when they change.