Short answer — the most consistently affordable carriers for quick weekend trips from Kuwait are:

• Jazeera Airways (Kuwait’s low‑cost carrier) — strong coverage of short GCC routes (Dubai, Abu Dhabi/Al Ain relaunches, plus regional destinations) and frequent weekend promotions. (zawya.com)
• flydubai — budget/regional fares from KWI to Dubai, Bahrain, Riyadh and other nearby cities with many low one‑way prices advertised. (flydubai.com)
• Air Arabia (including Air Arabia Egypt / Sharjah base) — growing service into Kuwait and cheap links to Sharjah and Egypt (good for short break options). (airarabia.com)

Why these three?

• They operate lots of short, frequent regional flights (ideal for Friday–Sunday or Saturday–Monday weekends). (flydubai.com)
• They run regular seat sales and promo fares that make overnight or 48–72 hour getaways economical. (jazeeraairways.com)

Popular cheap weekend destinations from Kuwait (served by the above carriers)

• Dubai / Sharjah / Abu Dhabi (UAE) — ~1 hour flights. (flydubai.com)
• Manama (Bahrain) and Doha (Qatar) — short hops with frequent budget options. (flydubai.com)
• Muscat (Oman) and regional Saudi cities (Dammam, Riyadh) — convenient for quick culture/food or beach escapes. (flydubai.com)
• Cairo — now added by Air Arabia (good for a slightly longer weekend). (airarabia.com)

Money‑saving tips for weekend getaways

• Be flexible with departure/return days (leave Thursday night or early Friday; return Sunday night/Monday morning).
• Travel light: book carry‑on only to avoid checked‑baggage fees.
• Sign up for fare alerts and follow the airlines’ social channels — most sales are short (flash or “weekend getaway” promos). (jazeeraairways.com)
• Check multiple airports (Dubai DXB vs Sharjah SHJ; Abu Dhabi AUH) — sometimes a different airport gives a much cheaper fare. (kuwaitairport.gov.kw)
• Compare round‑trip vs two one‑ways — sometimes two one‑ways on different low‑cost carriers is cheaper.

If you want, I can:

• Search specific weekend dates you’re considering and compare live fares across these carriers (I’ll check current prices and durations).