OSN - Osan Air Base
Osan, South Korea
IATA Code: OSN · Osan, South Korea
The airport code OSN is the IATA identifier for Osan Air Base. You may also find it referred to as Osan Airport (OSN).
Osan Air Base (OSN) serves Osan, South Korea, in the Asia Pacific fuel pricing region. It provides essential air connectivity for travelers in the area.
OSN is the IATA airport code for Osan Air Base, located in Osan, South Korea. The airport is situated at coordinates 37.0906°N, 127.0300°E. The current jet fuel price in the Asia Pacific region is $5.15/gallon as of 2026-05-16.
Current Jet Fuel Price (Asia Pacific)
$5.15/gallon
⚠️ Global Fuel Price Surge 2026: Prices affected by 108%
Airport Information
- IATA Code
- OSN
- City
- Osan
- Country
- South Korea
- Timezone
- Asia/Seoul
- Latitude
- 37.0906°
- Longitude
- 127.0300°
- Type
- airport
- Fuel Region
- Asia Pacific
Flight Distances & Estimated Fuel Costs from OSN
Estimated fuel costs based on current jet fuel prices and standard narrowbody aircraft consumption.
| Destination | Distance | Est. Fuel Cost | Fuel Surcharge* |
|---|---|---|---|
| SWU - Suwon | 17 km | $245 | $0/passenger |
| SSN - Seoul East | 40 km | $577 | $1/passenger |
| GMP - Seoul | 56 km | $808 | $2/passenger |
| CJJ - Chongju | 59 km | $851 | $2/passenger |
| HMY - Seosan | 65 km | $937 | $2/passenger |
| ICN - Seoul | 66 km | $952 | $2/passenger |
| WJU - Wonju | 91 km | $1,312 | $3/passenger |
| YEC - Yechon | 128 km | $1,846 | $4/passenger |
| CHN - Jhunju | 135 km | $1,947 | $4/passenger |
| KUV - Kunsan | 137 km | $1,976 | $4/passenger |
| YNY - Sokcho / Gangneung | 180 km | $2,596 | $5/passenger |
| KAG - Kangnung | 184 km | $2,653 | $5/passenger |
| TAE - Taegu | 197 km | $2,841 | $6/passenger |
| KWJ - Kwangju | 220 km | $3,172 | $6/passenger |
| WOS - Wonsan | 234 km | $3,374 | $7/passenger |
| MWX - Muan | 241 km | $3,475 | $7/passenger |
| HIN - Sacheon | 241 km | $3,475 | $7/passenger |
| KPO - Pohang | 246 km | $3,547 | $7/passenger |
| RSU - Yeosu | 256 km | $3,692 | $7/passenger |
| CHF - Chinhae | 263 km | $3,792 | $8/passenger |
| FNJ - Pyongyang | 265 km | $3,821 | $8/passenger |
| USN - Ulsan | 266 km | $3,836 | $8/passenger |
| MPK - Mokpo | 266 km | $3,836 | $8/passenger |
| PUS - Busan | 273 km | $3,937 | $8/passenger |
| DSO - Hamhung | 298 km | $4,297 | $9/passenger |
| TSJ - Tsushima | 375 km | $5,408 | $11/passenger |
| CJU - Cheju | 401 km | $5,782 | $12/passenger |
| DDG - Dandong | 404 km | $5,826 | $12/passenger |
| JDG - Seogwipo | 411 km | $5,927 | $12/passenger |
| WEH - Weihai | 426 km | $6,143 | $12/passenger |
| IKI - Iki | 448 km | $6,460 | $13/passenger |
| CNI - Changhai | 452 km | $6,518 | $13/passenger |
| FUK - Fukuoka | 498 km | $7,181 | $14/passenger |
| YNT - Yantai | 502 km | $7,239 | $14/passenger |
| IWJ - Iwami | 506 km | $7,297 | $15/passenger |
| KKJ - Kitakyushu | 511 km | $7,369 | $15/passenger |
| FUJ - Fukue | 519 km | $7,484 | $15/passenger |
| UBJ - Yamaguchi | 521 km | $7,513 | $15/passenger |
| DLC - Dalian | 524 km | $7,556 | $15/passenger |
| HSG - Saga | 530 km | $7,643 | $15/passenger |
| RGO - Chongjin | 532 km | $7,671 | $15/passenger |
| NGS - Nagasaki | 533 km | $7,686 | $15/passenger |
| NBS - Baishan | 556 km | $8,018 | $16/passenger |
| IZO - Izumo | 557 km | $8,032 | $16/passenger |
| YKH - Yingkou | 558 km | $8,046 | $16/passenger |
| OKI - Oki Island | 571 km | $8,234 | $16/passenger |
| HIW - Hiroshima | 572 km | $8,248 | $16/passenger |
| IWK - Iwakuni | 573 km | $8,263 | $17/passenger |
| AOG - Anshan | 574 km | $8,277 | $17/passenger |
| YGJ - Miho | 584 km | $8,421 | $17/passenger |
* Estimated fuel surcharge per passenger. Actual surcharges vary by airline and booking class.
How Jet Fuel Prices Affect Your OSN Flights
Jet fuel typically accounts for 25-35% of airline operating costs. When fuel prices rise due to global events like conflicts or supply disruptions, airlines pass these costs to passengers through fuel surcharges.
Currently, the Asia Pacific region has jet fuel priced at $5.15/gallon. This is approximately 108% higher than normal due to Brent crude elevated. EIA Gulf Coast jet fuel at $5.21/gal (2026-05-16). Airlines implementing surcharges globally. IATA reports $175/barrel global average.
Tips to Save on Flights from OSN
- Book during periods of lower fuel prices (typically Q1)
- Choose airlines with fuel-efficient aircraft (787, A350)
- Consider nearby alternative airports
- Book direct flights to avoid multiple fuel surcharges
Climate & Weather at Osan
Osan experiences a temperate climate with distinct seasons. Summers are generally pleasant (18-28°C / 64-82°F), while winters can be cold and may bring snow or ice that occasionally affects flight schedules. Travelers arriving in winter should be prepared for potential weather-related delays and dress in warm layers.
Traveler Guide: Flying Through OSN
Located in the Asia Pacific fuel pricing region, OSN is part of one of the world's fastest-growing aviation markets. Asian airports often feature extensive shopping, dining, and transit accommodation options. Visa requirements vary widely across Asian countries, so travelers are advised to verify entry requirements well in advance of their trip.
Planning Your Trip via OSN
- Arrival time: Arrive 2 hours early for domestic flights, 3 hours for international flights at Osan Air Base
- Ground transportation: Check current gasoline costs for driving to/from OSN
- Fuel impact awareness: The Asia Pacific region currently prices jet fuel at $5.15/gallon — compare this with other regions to understand route pricing
- Alternative airports: The nearest airports to OSN are SWU, SSN, GMP — consider these for potentially lower fares