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Flights to Ulsan

$8,413 Cheap flights to Ulsan

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Ulsan departing on 5/29. 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

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Find the cheapest flights from the United States to Ulsan

Cheap round-trip flights

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Multiple Airlines Logo
12:15 pm - 8:20 am
IAD
-
USN
31h 05m
2 stops
Multiple Airlines Logo
3:00 pm - 1:30 pm
USN
-
IAD
35h 30m
3 stops
$8,413Multiple Airlines
Fri, May 29 - Fri, Jun 5

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 April 17, 2026.
Use the filters below to find and compare flights to Ulsan that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Ulsan

IAD - USN

IADUSN

Washington, D.C. Dulles Intl

Fri 5/29

12:15 pm-8:20 am

2 stops31h 05m

Ulsan

Fri 6/5

3:00 pm-1:30 pm

3 stops35h 30m

$8,413

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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Ulsan flights insights and trends

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How long does it take to fly to Ulsan?

Flight times from United States to Ulsan vary, but if you’re flying out of Los Angeles and flying into Busan Gimhae (one of the most popular routes), then the duration is 20h 20m on average. Another popular route from United States to Ulsan is flying from San Francisco to Busan Gimhae, which will take roughly 21h 15m. Keep in mind that layovers or delays could extend your travel time.

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 Round-Trip Price

$8,413

Fastest flight time

31h 05m
The best round-trip flight price to Ulsan from United States in the last 72 hours is $8,413 (Washington, D.C. Dulles Intl to Ulsan).
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The fastest flight to Ulsan from United States takes 31h 05m (Washington, D.C. Dulles Intl to Ulsan).
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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 Jinju Sacheon Airport where the average price is $64. 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 $33/person, which is 74% 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.

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Popular flights to Ulsan

Popular routes according to searches in the past day on momondo
San Francisco to Ulsan Flightsfrom $1,876
Washington, D.C. to Ulsan Flightsfrom $8,413