About BK
BK is the IATA code for Okay Airways, a Chinese private carrier that operates as a regional and charter-focused airline almost entirely within mainland China. This isn't a legacy flag carrier or a slick low-cost brand — it sits somewhere in between, running a domestic-focused operation built around point-to-point routes connecting China's second and third-tier cities. With 146 non-stop routes spread across 43 airports, BK has quietly built a real network. Its main base is Tianjin Binhai International (TSN), which anchors 19 routes, making it the operational heartbeat of everything BK does.
Why fly BK?
The honest case for BK comes down to access. If you need to get between Chinese cities that the big carriers treat as afterthoughts, BK often shows up where others don't. That 169,998 km total network, all concentrated inside one country, means they've gone deep rather than wide — and that specialization matters. The longest route, URC to CSX at 2,879 km, connects Urumqi in Xinjiang all the way to Changsha, a pairing that would otherwise force a connection through Beijing or Shanghai on a mainline carrier. If you're routing through CSX or TSN and want to skip the hub chaos at PEK or PVG, BK can genuinely save you time and often money. For domestic China travel specifically, that's worth something real.
BK hub airports
- TSN Tianjin — 19 BK routes from China
- CSX Changsha — 17 BK routes from China
- KMG Kunming — 7 BK routes from China
- XIY Xian — 6 BK routes from China
- INC Yinchuan — 6 BK routes from China
Top destination countries on BK
- China — 146 BK routes
Tips for booking BK
Book BK early if you're targeting the Tianjin hub — TSN's 19 routes fill up fast on holiday weekends and Golden Week. The Changsha base (CSX, 17 routes) is your best secondary option if fares out of TSN look steep. Because BK operates purely within China, don't expect international alliance partnerships or reciprocal mileage earning with Western programs — it won't happen. Check baggage allowances carefully before booking; domestic Chinese carriers vary wildly on this, and fare class makes a big difference. If you're positioning into TSN from abroad, budget extra time — Tianjin is manageable but not as well-connected internationally as Beijing.
Frequently asked questions about BK
Where does BK Airlines fly?
BK operates 146 routes primarily throughout China and the Asia-Pacific region, with a strong focus on domestic Chinese destinations and regional connections.
What is BK's main hub airport?
Tianjin Binhai International Airport (TSN) serves as BK's primary hub, making it the airline's operational and connectivity center.
Is BK a low-cost, legacy, or regional carrier?
BK operates as a regional carrier with a major domestic focus, offering a moderate network across China with competitive pricing typical of regional airlines in the market.
When should I book flights with BK and what fare classes are available?
It's generally recommended to book 2-4 weeks in advance for better fares; BK typically offers multiple fare classes ranging from basic economy to premium options, with flexibility varying by ticket type.
What are BK's baggage allowance and check-in policies?
Baggage allowances vary by fare class and route; passengers should check their specific ticket conditions on BK's website. Standard check-in opens 24 hours before departure, with online check-in available for most flights.