$272 Cheap Flights from Mongolia to Busan
One-way
Departing from
Mongolia
Going to
Busan, South Korea
Busan (PUS)
South Korea • April, 2026
34% AI deal score
20%
$225 $272
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight departing from Busan. Fares are subject to change and may not be available for all dates. (Data last updated 12/18/2025).
347,581 searches in the past 7 days on RatePunk
Flight deals up to 90% off
Access the cheapest flights via our website, app, or email and save big on your next trips.
Top Cheap Flight Deals from Mongolia to Busan
Recent round-trip flight deals to Busan
Sun, Jan 25 - Wed, Jan 28
Cheapest
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$543
$519
-$24
4%
Sun, Jan 25 - Wed, Jan 28
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$543
$528
-$15
3%
Mon, Jan 26 - Wed, Jan 28
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$543
$530
-$13
2%
Mon, Jan 26 - Sat, Feb 7
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$543
$529
-$14
3%
Fri, Mar 13 - Fri, Mar 20
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$225
$549
+$324
144%
Sun, Feb 8 - Fri, Feb 13
Ulaanbaatar (UBN) - Busan (PUS)
Korean Air airlines • 1 stop • Seoul (ICN)
Busan (PUS) - Ulaanbaatar (UBN)
Korean Air airlines • 1 stop • Seoul (ICN)
$543
$550
+$7
1%
The cheapest time to fly to Busan
Ready to jet to Busan on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from Mongolia to Busan
To help you plan your journey, here are some quick Busan flight facts and tips.
Busan city airports
Busan is primarily served by Gimhae International Airport (PUS), located in Gangseo-gu. While officially named an international airport, Gimhae also handles domestic flights, connecting Busan to other major cities in South Korea. The airport has two runways and two passenger terminals: one for domestic flights and another for international flights. You'll find various amenities, including restaurants, shops, and transportation options like the Busan–Gimhae Light Rail Transit that connects directly to the city center, making it relatively easy to access Busan upon arrival. While other airports exist in the broader region, Gimhae International Airport is the main gateway for air travel to and from Busan.
Pro tip: search “Busan (Any)” to see fares to all Busan airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Busan
Cheapest airport
Gimhae International Airport (PUS)
Gimhae International Airport (PUS) is your best bet for budget-friendly flights to Busan! Situated in Gangseo-gu, it features both international and domestic terminals, connecting you to various destinations with ease and acting as a major gateway to the vibrant city of Busan.
Nonstop vs. 1-stop
20+ cities
Gimhae International Airport in Busan is a secondary hub that connects to over 20 cities, with popular routes including those to major cities in Japan, Southeast Asia, and other parts of South Korea.
Number of airlines
30+ airlines
Buckle up, Busan is served by over 30 airlines! You can choose from popular full-service carriers or budget-friendly low-cost options for your trip.
PUS Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
PUS airport insights
Best days to catch a deal
Fri, Mon
Based on the provided data, Friday has the most deals for Gimhae International Airport. Therefore, you're most likely to find a cheap flight deal if you search on Fridays.
Avg. deal survival time
6.0 hours
Deals for Gimhae International Airport typically last around 6.0 hours. This short lifespan means it's important to book quickly when you find a good offer.
Rare deal frequency
13 deals
In the past month, we discovered 13 rare deals for Gimhae International Airport that had an AI Deal Score of 90+. These deals typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-65%
On average, flights to Gimhae International experience a price drop of 64.9%. This means you could potentially save a significant amount on your flights to this airport by monitoring prices and booking at the right time.
Next 4 weeks: deal forecast
Gimhae International Airport Next Month Forecast
Based on current trends, flights to and from Gimhae International Airport are expected to remain stable next month. There are no significant price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on December 9
Dumaguete - PUS
$650 → $87
87%
Found on December 10
Cagayan de Oro - PUS
$608 → $87
86%
Found on December 7
Port of Spain - PUS
$3,900 → $781
80%
Found on December 9
Surabaya - PUS
$860 → $184
79%
Found on December 10
Shymkent - PUS
$1,850 → $385
79%
Check these nearby airports too
Looking for more options? These airports near PUS sometimes drop rare deals too:
Gunsan (KUV)
~5 rare deals/month
Ulsan (USN)
~10 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially KUV and USN for long-haul deal surprises.
When Is the Best Time to Fly from Mongolia to Busan
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Busan:
Cheapest month
November
Cheapest month
November is your golden ticket to Busan! The weather is mild, perfect for exploring the city's beaches and mountains. Plus, you'll dodge the peak tourist crowds, making for a more relaxed and authentic experience. Prepare for pleasant temperatures and vibrant autumn foliage!
Best day to book
Tuesday
Best day to book
Tuesday is your secret weapon for nabbing cheaper flights to Busan. Airlines often release deals early in the week to fill seats. So, set those reminders and pounce on Tuesday flight sales for the best chance to save. Happy booking!
Cheapest days to fly
Wednesday
Cheapest days to fly
Fly to Busan on a Wednesday to save some cash! Mid-week flights tend to be less popular with business travelers, so airlines drop prices to entice leisure travelers like you. Enjoy the savings and explore the vibrant city of Busan.
Advance booking sweet spot
2 months
Advance booking sweet spot
Snag the sweetest Busan flight deals by booking around 2 months in advance. Airlines adjust prices based on demand, so booking in this sweet spot usually gets you the best balance of availability and affordability. This way, you will have secured your trip, and you can start planning your adventures with confidence!
Busan Airports & Ground Transportation
One big question for travelers is which Busan airport to fly into. Here’s a quick guide to Busan’s airports and how to get to the city from each:
Gimhae International Airport (PUS)
Gimhae International Airport (PUS) is your gateway to Busan's vibrant culture! Located in Gimhae, just a stone's throw from Busan, it offers both international and domestic flights. The airport boasts a range of amenities, including restaurants serving delicious Korean cuisine, duty-free shops, and cozy lounges to relax before your flight. Navigating to Busan is a breeze with the convenient Busan–Gimhae Light Rail Transit, connecting you directly to the city center. Alternatively, you can hop on a bus or grab a taxi for a comfortable ride. Remember to factor in potential traffic, especially during peak hours!
Tip: Arrive early to explore the airport's cool art installations showcasing Korean culture.
Other airports
Alright, globetrotters! While Busan boasts its own fantastic airport, Gimhae International, sometimes you might find yourself landing a bit further afield. Fear not, because airports like Ulsan Airport and Daegu International Airport aren't too far off! The upside? Potentially cheaper flights or better connections. The slight downside? You'll need to factor in some extra travel time to reach Busan, but think of it as a mini-adventure before your main adventure begins! Luckily, both airports provide extensive transportation options like buses and trains to get to Busan.
What to Do in Busan
Busan isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Busan, organized by interest:
Sightseeing & Landmarks
Busan is a city that blends the modern with the traditional, offering a variety of sights to explore. Visit the colorful Gamcheon Culture Village, a hillside maze of art and history, or Haeundae Beach, famous for its sandy shores and vibrant atmosphere. Don't forget to check out Beomeosa Temple, a serene escape into Busan's spiritual side.
Arts & Culture
Dive into Busan's artistic heart by visiting the Busan Museum of Art or explore the indie art scene in the Kyungsung University area. Catch a film at the Busan Cinema Center, home of the Busan International Film Festival, and immerse yourself in the local creative vibe. The city's art scene is as dynamic as its coastal views.
Food & Nightlife
Get ready for a culinary adventure in Busan, where the seafood is as fresh as it gets! Jagalchi Fish Market is a must-visit for seafood lovers. As night falls, explore the vibrant nightlife in areas like Seomyeon, known for its bustling streets filled with bars, clubs, and eateries.
Shopping & Fashion
Shop 'til you drop in Busan, where you can find everything from luxury brands to local designs. Shinsegae Centum City, one of the world's largest department stores, offers a high-end shopping experience, while Gukje Market is perfect for bargain hunters seeking unique finds and vintage fashion.
Nearby Getaways
Events in Busan This Month
someday christmas
Get tickets for Someday Christmas, a special event held at the Busan Exhibition and Convention Center (BEXCO) on December 25, 2025.
Frequently Asked Questions About Flights to Busan
Pro Tips for Finding Cheap Flights to Busan
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Busan flights:
Be Flexible with Your Dates: Flying on weekdays or during the off-season can seriously slash those ticket prices. Think of it as outsmarting the travel rush!
Set Up Price Alerts: Use RatePunk to track flight prices and get notified when they drop. It’s like having a personal deal-finding fairy!
