Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Ulsan

$3,027 Cheap flights to Ulsan

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ulsan departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

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.
Search flight deals

Find the cheapest flights from the United States to Ulsan

Cheap round-trip flights

Multiple Airlines Logo
LAX-USN
5938 mimulti-stop
Multiple Airlines Logo
USN-LAX
5938 mimulti-stop
Multiple Airlines
Find Deal
Multiple Airlines Logo
JFK-USN
6964 mimulti-stop
Multiple Airlines Logo
USN-JFK
6964 mimulti-stop
Multiple Airlines
Find Deal

momondo Fare Finder

 
Locate flights to Ulsan that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on septiembre 16, 2025.
Use the filters below to find and compare flights to Ulsan that are best for you.

Fly from

Route

Depart

Return

Price

San FranciscoUlsan

SFO - USN

SFOUSN

San Francisco

lun. 10/20

11:55 pm-12:05 pm

3 stops44h 10m

$3,027

San FranciscoUlsan

SFO - USN

SFOUSN

San Francisco

mar. 10/21

11:55 pm-12:05 pm

3 stops44h 10m

$3,141

San FranciscoUlsan

SFO - USN

SFOUSN

San Francisco

lun. 10/20

3:30 pm-8:20 am

2 stops48h 50m

$3,450

San FranciscoUlsan

SFO - USN

SFOUSN

San Francisco

mar. 10/21

6:59 pm-7:35 pm

2 stops32h 36m

$4,325

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ulsan from

Ulsan flights insights and trends

Explore insights for your Ulsan flight to craft the best travel plan

What is the cheapest day to depart on your flight to Ulsan?

On average, the least expensive day to fly to Ulsan from United States is on a Saturday. momondo users have found tickets for Saturday departures for as low as $276. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ulsan on Monday is $436.

What is the cheapest time of day to depart on your flight to Ulsan?

Flying to Ulsan from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $212 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Ulsan is in the afternoon when prices are around $434.

Cheapest flights to Ulsan

Find the cheapest flights to Ulsan from your nearest city or airport

Cheap Ulsan flight deals and tips

Summary info about Ulsan flight prices, duration and airlines

Best One-Way Price

$3,027

Fastest flight time

32h 36m
The best one-way flight price to Ulsan from United States in the last 72 hours is $3,027 (San Francisco to Ulsan).
Search Deals
The fastest flight to Ulsan from United States takes 32h 36m (San Francisco to Ulsan).
Search Deals

Frequently asked questions about flying to Ulsan

Is there an alternative airport near Ulsan?

Finding an alternative and possibly cheaper destination airport near Ulsan is possible. If you are planning a flight to Ulsan, consider booking flights to Ulsan Airport (4 mi from Ulsan city center), Pohang Airport (32 mi from Ulsan city center), Daegu Airport (44 mi from Ulsan city center) or Jinju Sacheon Airport (77 mi from Ulsan city center).

Is there a cheaper alternative to flying into Ulsan?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Ulsan is Ulsan Airport where the average price is $54. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Ulsan?

In the past two weeks, users have booked deals to Ulsan for $13/person, which is 89% cheaper than the average flight to Ulsan. To find the cheapest price to Ulsan from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ulsan Airport?

Prices for flights to Ulsan Airport are refreshed on a daily basis.

How old do you have to be to fly to Ulsan Airport?

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 to Ulsan Airport.

What documentation or ID do you need to fly to Ulsan Airport?

The necessary travel and health documents for your Ulsan Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Ulsan?

It is quick and easy to find flights to Ulsan on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ulsan that suits you.

Can I find flights to Ulsan with flexible booking policies on momondo?

Yes. All flights to Ulsan on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Ulsan?

momondo helps you find the best flight to Ulsan 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 to Ulsan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ulsan. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ulsan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
jue. 10/16
jue. 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ulsan

Popular flights to Ulsan

Popular routes according to searches in the past day on momondo
San Francisco to Ulsan Flightsfrom $1,354
Washington, D.C. to Ulsan Flightsfrom $10,224