Low-cost carriers built their whole brand on the eye-catching fare: a headline price so low it feels like a mistake. Sometimes it's a genuine steal. Other times, by the time you've added everything you need, a "full-service" airline would have cost the same or less. Here's how to tell the difference.
The unbundled model
Budget airlines strip the fare down to just the seat, then sell everything else separately: bags, seat selection, priority boarding, food, even check-in at the airport. That's not a trick — it's a choice. If you truly need only the seat, you win. If you need the extras, the savings shrink fast.
Add up the total, not the teaser
Before you book, tally what you'll actually pay:
- Base fare
- Cabin or checked bag (whichever you need)
- Seat selection, if you want to sit with your party
- Any card or payment fees
- Transport to/from a further-out airport, if that's where they fly
Compare that number against the full-service fare, which often already includes a bag and a seat. Sometimes the budget option still wins comfortably. Sometimes it doesn't.
Where budget airlines genuinely shine
- Short trips where you travel carry-on only.
- Routes they dominate, where their base fare is simply the lowest around.
- Flexible travellers who can fly at off-peak times the big carriers won't discount.
Where they often don't
- Trips that need checked bags or assigned seats for a group.
- Tight itineraries — budget carriers are less forgiving with delays and rebooking.
- Routes into far-flung airports where ground transport eats the saving.
Let the fare, not the logo, decide
The smartest approach is to stop loyalty-shopping and simply track the price of your route across every airline at once. With DiveFare you set the total you'd pay and we watch real fares — budget and full-service — several times an hour, alerting you when any of them drops to your number. You book the genuinely cheapest option for your trip, extras and all. Choose a destination and let the prices compete for you.