Here’s a concise, practical guide to which types of airlines commonly operate direct (nonstop) flights to popular holiday destinations — organised by region and with typical carrier examples. Note these are general patterns (airline schedules change seasonally), so for a particular city pair and date you should check a flight search engine or the airline’s website.

How to read this: “Destination type” = popular holiday spot; “Typical airlines” = carriers that commonly operate nonstop services to those places.

Europe (short‑haul / Mediterranean resorts)

• London, Paris, Amsterdam ↔ Mediterranean beaches (e.g., Málaga, Alicante, Palma, Dubrovnik, Santorini): national/full‑service carriers + many low‑cost airlines. Typical: British Airways, Vueling, Iberia, Air France, KLM, easyJet, Ryanair, Wizz Air.
• Northern Europe ↔ ski resorts (e.g., Geneva, Innsbruck): Swiss, Austrian, Lufthansa, British Airways, SAS, easyJet, TUI.

Middle East & Gulf

• Gulf hubs ↔ beach/island resorts (e.g., Maldives, Seychelles, Mauritius): full‑service Gulf carriers often offer nonstop leisure routes. Typical: Qatar Airways, Emirates, Etihad, Oman Air, flydubai (selected).
• Regional leisure (UAE/Oman ↔ South Asia): Emirates, Etihad, Flydubai, Air Arabia, Oman Air.

South & Southeast Asia

• Major hubs ↔ beach destinations (e.g., Phuket, Bali, Goa, Maldives): full‑service and low‑cost long‑haul/short‑haul combinations. Typical: Singapore Airlines, Thai Airways, Garuda Indonesia, Malaysia Airlines, AirAsia, Scoot, Jetstar; from Gulf hubs: Qatar Airways, Emirates.
• Within region (short hops): AirAsia, IndiGo, SpiceJet, Vietjet, Bamboo Airways, Thai AirAsia.

North America

• Major gateways ↔ beach resorts (e.g., Miami ↔ Caribbean, Cancun, Bahamas): major US carriers and leisure carriers. Typical: American Airlines, Delta, United, JetBlue, Southwest, WestJet, Sunwing (Canada), Spirit, Frontier.
• West Coast ↔ Hawaii: Hawaiian Airlines, Alaska Airlines, American, Delta, United.

Caribbean & Central America

• Nonstop from North America & Europe: TUI, Condor, British Airways (selected seasonal), many North American carriers listed above, and regional airlines like Caribbean Airlines and Bahamasair.

Africa

• Northern Africa beach destinations (e.g., Sharm El Sheikh, Hurghada, Agadir): TUI, Condor, easyJet, Ryanair, plus national carriers (EgyptAir, Royal Air Maroc).
• Sub‑Saharan leisure (e.g., Zanzibar, Seychelles, Mauritius): Emirates, Qatar Airways, Ethiopian Airlines, Kenya Airways, Air Mauritius, South African Airways (where active), and some European leisure carriers seasonally.

Oceania / South Pacific

• Australia & New Zealand ↔ Pacific islands: Qantas, Air New Zealand, Fiji Airways, Virgin Australia, Jetstar, Hawaiian (selected).
• Australia ↔ Asia direct long‑haul: Qantas, Singapore Airlines, ANA, Japan Airlines, China Southern (selected).

Charter and Leisure Airlines (seasonal / package holidays)

• TUI, Jet2 (UK/Europe), SunExpress, Condor, Thomas Cook (where active historically), Corendon — these operate many direct flights to holiday resorts, especially in summer and winter seasons.

Low‑cost carriers (short/medium haul)

• Offer many direct routes between cities and holiday airports in the same region: Ryanair, easyJet, Wizz Air, Vueling, Frontier, Spirit, AirAsia, Scoot, IndiGo.

If you’re leaving from or near Doha (Qatar)

• Qatar Airways has many direct leisure routes from Doha to holiday destinations (Maldives, Seychelles, selected Mediterranean and Southeast Asian cities). Low‑cost/regional options include flydubai, Air Arabia (from UAE hubs).

Practical tips to find direct flights

• Use multi‑city/one‑way search filters and the “nonstop” checkbox on flight search engines (Google Flights, Skyscanner, Kayak, Momondo).
• For seasonal holiday routes, check charter/leisure carriers and tour operators — they often publish seasonal nonstops.
• If you want me to check nonstop options for a specific origin (city/airport), dates, and destination, tell me the exact airports and dates and I’ll look up current nonstop flights for you.