C
- C/I
- C/O、Care of
- C/RATE、Contracted Rate
- CAB、Civil Aviation Bureau
- Cabana
- Cabin
- Cabin Class
- Cabin Crew
- Cabin Plan
- Cable Address
- Cabotage、カボタージュ
- Cafeteria
- Cancel
- CAPA、Capacity
- Cargo
- Cargo Boarding Advisory
- Carriage
- Carrier
- Carrying Carrier
- Cartage
- Cashier、キャッシャー
- CB
- CC:、Carbon Copy
- Certificate Nationality
- Certificate、サーティフィケイト
- CFM
- Charge
- Charge Collect
- Charlie、チャーリー
- Charter Flight
- Charterage
- CHD、Child
- Check
- Check In Check Out
- Check-In
- Check-Out
- Check-Out Time
- Checked Baggage
- Chef
- Child
- CHK、Check
- CHNT、Change Namt To
- CHTR
- CIF、Cost Insurance and Freight
- CIQ
- City Terminal
- Claim Tag
- Claim Tag
- Clearance
- Clearing House
- Client
- Cloak (Room)
- CMP
- COMP、コンプ
- Coach
- Coach Class
- Cockpit
- Cockpit Crew
- COD(Cash On Delivery)、キャッシュオンデリバリー
- COH、Coach
- Collaboration Business、コラボレーションビジネス
- Collapsible Wheelchair
- Combination Joint Fare
- Commission
- Compartment
- Concierge、コンシェルジェ
- Concourse
- Condition of Carriage
- Conditional Reservation
- Condo
- Conducted Tour
- CONEX、Connection
- Conference
- Confidential Tariff
- Confirm
- Confirmation Slip、コンファメーション・スリップ
- Conjunction Ticket
- Connecting Flight
- Connecting Flight、コネクティングフライト
- Connecting Room
- Consolidated Cargo
- Constructed Fare
- Contact
- Continental Breakfast
- Continental Plan、コンチネンタルプラン
- CONT'L、Continental
- Contract、コントラクト
- Control Tower
- Controller
- Convention
- Convention Bureau
- Cooks Continental Timetable
- COOP、Co-Operation
- Corkage Charge
- Corporate Rate
- CORR、Correct
- Coupon
- Courier
- Crew (Member)
- Crib
- CRS、Course
- CRZ、Cruise
- CTC、Contact(ed)(ing)
- CTO、City Ticket Office
- CTR、Contract
- Customs
- Customs Broker
- Customs Clearance
- Customs Inspection
- Cut Off Date
- CV、City View
- CXL
- Charter(Affinity)
- Charter（Oun Use）
- Charter（ITC）
