The Ultimate Guide to Budget Airlines — What You Need to Know Before You Book

The Ultimate Guide to Budget Airlines — What You Need to Know Before You Book

That $19 Flight Might Actually Cost You $110

Budget airlines are genuinely brilliant — they’ve made travel possible for millions of people who couldn’t otherwise afford it. A weekend in Barcelona for the price of a nice dinner. A spontaneous trip to Bali that didn’t require months of saving. We love them.

But we’ve also watched travellers rock up at check-in, completely unprepared for the fees they’re about to face, and turn a $25 headline fare into a $140 reality. This guide makes sure that’s never you.

What Makes a Budget Airline Different?

Low-cost carriers (LCCs) keep base fares low by unbundling everything. Checked luggage, seat selection, meals, entertainment, even printing your boarding pass at the airport — all optional extras. It’s not dishonest; it’s just a different model that rewards light, flexible travellers and catches unprepared ones off guard.

The Carriers Worth Knowing

  • Europe: Ryanair, easyJet, Wizz Air, Vueling — connecting hundreds of city pairs for sometimes $5–30 one-way
  • Asia-Pacific: AirAsia, Scoot, Cebu Pacific, IndiGo — absolute game-changers for regional island-hopping
  • Australia: Jetstar — always worth checking alongside Qantas on domestic routes
  • North America: Spirit, Frontier, Southwest, WestJet
  • Middle East: flydubai, Air Arabia

The Fees That Catch People Out

Here’s where budget airlines make their margin. Memorise this list:

  • Checked baggage: $20–60 per bag per direction. On a return trip that’s potentially $120+ before you’ve packed a thing
  • Carry-on overhead bin fees: Ryanair now charges for larger cabin bags unless you have Priority boarding
  • Seat selection: any specific seat costs extra. Random assignment is free — and often fine
  • Priority boarding: sold separately, usually $5–15
  • Payment processing fees: some airlines add a per-passenger card fee
  • Airport check-in fee: Ryanair charges €55 if you check in at the airport counter. Always check in online
  • Boarding pass printing at the airport: yes, some charge for this too

Our rule: Always calculate the full cost — base fare plus your specific bag needs plus any fees — before comparing against a full-service airline. The gap is sometimes much smaller than the headline suggests.

How to Get Real Value From Budget Airlines

Travel with only a personal item — a small backpack or laptop bag that fits under the seat — and on most budget carriers you pay nothing extra and skip the check-in queue entirely. This one habit saves our team hundreds of dollars a year.

Check in online the moment it opens (usually 24–48 hours before departure). Bring your own food and a full water bottle from outside the airport. Skip seat selection unless you absolutely need a specific seat. And always run the total cost calculation before booking.

When Budget Airlines Are Worth Every Cent

Short hops under 4 hours are their sweet spot. A slightly cramped seat for 90 minutes to get from London to Barcelona or Sydney to Melbourne, saving $100+ in the process? Easy yes. They’re also excellent for one-way bookings where you avoid round-trip pricing structures.

When to Think Twice

Long-haul flights over 6 hours change the equation significantly. No free meals, limited recline, and entertainment you pay for on a 14-hour flight is a different proposition. Also factor in secondary airports — Ryanair’s ‘London’ flights often land at Stansted or Luton, adding an hour and $20–30 to your journey into the city.

Are They Safe?

Yes, completely. All licensed airlines must meet the same aviation safety standards regardless of ticket price. Ryanair, for all its fees, has an excellent safety record. Price and safety are unrelated.

The Bottom Line

Use budget airlines as the tool they are — not as a trap to walk into blindly. Pack light, check in online, calculate your real total cost, and you’ll find them genuinely excellent value. Ignore the fee structure and you’ll be the person at the check-in counter paying a surprise $60 bag fee while the queue behind you grows. We’ve seen it happen many times. Don’t be that traveller.

Looking for the cheapest fares on budget airlines? Our guide to flight comparison sites will show you exactly how to find the best deals before you book.

AirDeals Team

The AirDeals Team helps travellers find the best flight deals, hotel offers and travel tips to make every trip more affordable.