Cheap flights from the United States to Seoul from $277
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 10/26. 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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Fly from
Fly to
Route
Depart
Return
HonoluluIncheon
HNL Honolulu - ICN Incheon Intl
HNLICN
Honolulu
Mon 10/26
2:20 pm-8:20 pm
Nonstop11h 00m
Incheon Intl
Sun 11/8
7:30 am-7:10 am
1 stop18h 40m
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Wed 12/2
3:20 pm-9:20 pm
Nonstop13h 00m
Incheon Intl
Mon 12/14
7:45 pm-1:20 pm
Nonstop10h 35m
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sat 11/28
3:20 pm-9:20 pm
Nonstop13h 00m
Incheon Intl
Sat 12/5
7:45 pm-1:20 pm
Nonstop10h 35m
Los AngelesIncheon
LAX Los Angeles - ICN Incheon Intl
LAXICN
Los Angeles
Thu 11/5
10:25 pm-8:55 pm
1 stop29h 30m
Incheon Intl
Wed 11/18
9:55 pm-7:00 pm
1 stop38h 05m
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Mon 11/16
10:20 am-4:15 pm
Nonstop12h 55m
Incheon Intl
Wed 12/2
12:45 pm-6:30 am
Nonstop10h 45m
Los AngelesIncheon
LAX Los Angeles - ICN Incheon Intl
LAXICN
Los Angeles
Thu 11/5
10:25 pm-8:55 pm
1 stop29h 30m
Incheon Intl
Wed 11/18
9:55 pm-7:00 pm
1 stop38h 05m
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Thu 11/26
11:45 pm-5:40 am
Nonstop12h 55m
Incheon Intl
Mon 12/7
6:00 pm-11:45 am
Nonstop10h 45m
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 11/29
11:45 pm-5:40 am
Nonstop12h 55m
Incheon Intl
Fri 12/4
6:00 pm-11:45 am
Nonstop10h 45m
Los AngelesIncheon
LAX Los Angeles - ICN Incheon Intl
LAXICN
Los Angeles
Sun 11/22
10:55 pm-12:20 pm
1 stop20h 25m
Incheon Intl
Thu 11/26
1:20 pm-7:00 pm
1 stop22h 40m
Los AngelesIncheon
LAX Los Angeles - ICN Incheon Intl
LAXICN
Los Angeles
Tue 11/17
10:55 pm-12:20 pm
1 stop20h 25m
Incheon Intl
Thu 11/26
1:20 pm-7:00 pm
1 stop22h 40m
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 January is another great option to travel to Seoul, with average flight prices from United States averaging around $965.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Tuesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Tuesday departure recently was $1,022. 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 $1,145.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,066 when looking at flights departing in the evening. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,096 per ticket.
What is the cheapest United States to Seoul flight route?
Fly from Newark 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 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,427 when searching 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 $1,253 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?
United Airlines, AIR PREMIA, and Cathay Pacific 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 51% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 23 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?
67 flights are operational daily from United States to Seoul as of October 2026. The most popular departure time for this route is 11:00PM, with 36% of flights per day taking off at noon.
How many flights depart from United States to Seoul on average per week?
473 flights are operational weekly from United States to Seoul as of October 2026. The most popular departure day for this route is Wed, with 16% 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
Frequently asked questions about flying from the 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 October 2026, there are 22 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 28.75% of the total bookings. Other popular models include Airbus A350-900 with 16.37%, Boeing 777-300ER with 16.19%, and Airbus A380-800 with 10.22%.
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 $140 | Free Cancellation | Rating 7.2 3,453 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 7.3 1,031 reviews | |||
| PriceFrom $318 | Free Cancellation | Rating 7.1 11,741 reviews | |||
| PriceFrom $374 | Free Cancellation | Rating 6.7 50 reviews | |||
| PriceFrom $382 | Free Cancellation | Rating 7.8 8,634 reviews | |||
| PriceFrom $449 | Free Cancellation | Rating 7.4 4,454 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.4 174 reviews | |||
| PriceFrom $598 | Free Cancellation | Rating 8.3 1,934 reviews | |||
| PriceFrom $606 | Free Cancellation | Rating 7.5 166 reviews | |||
| PriceFrom $640 | Free Cancellation | Rating 7.6 1,511 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.