Glossary
- Saver Award
- Screenshot or It Didn’t Happen
- SDC
- SEA (Seattle-Tacoma)
- Seatback Tap Signal
- Seat Squatter
- Security Shuffle
- Segment
- Serve
- S Fare
- SFO (San Francisco International)
- Shadow Devaluation
- SHARES
- Shopping Portal
- Shutdown
- Simon Mall Play
- SIN (Singapore Changi)
- Skiplagging
- SkyMiles
- SkyPesos
- SkyTeam (ST)
- Slot Controlled Airport
- Sock Drawer
- Soft Pull (SP)
- Southwest Companion Pass
- Speculative Booker
- Speculative Transfer
- Spend Bonus
- Split Tender
- Spoonfeeding
- SQ (Singapore Airlines)
- Stacker
- Statement Credit (SC)
- Status Match
- Statusmaxxer
- Status Run
- Stopover
- STW
- SUB
- SUB Chaser
- Suite Night Award (SNA)
- Suite Talk
- Suite Upgrade Award (SUA)
- Sweet Spot
- Sweet Spot Chaser
- SYD (Sydney Kingsford Smith)