Travel and booking

Travel and booking fees share a defining trait: they are charged on top of the headline price shown during an initial search, often disclosed only at the final checkout step or, in some cases, after a booking is confirmed. They span airlines, hotels, car rental companies, and third-party booking platforms, meaning a single trip can attract separate charges from multiple providers at the same time.

The most common misunderstanding in this category is that the advertised price represents the full amount due. Mandatory charges such as hotel resort fees or platform service fees can add a meaningful sum to the final bill, yet they are not always reflected in price-comparison results or included in the total shown during the early stages of a search.

Fees in this category

• Airline baggage fees: charged when a passenger checks in bags or carries on luggage that exceeds the allowance included in their fare class.
• Booking platform service fees: applied by third-party travel sites when a reservation is completed through their interface rather than directly with the provider.
• Car rental additional driver fees: levied each time a second or subsequent driver is added to a rental agreement, either online or at the counter.
• Flight change and cancellation fees: triggered when a booked itinerary is modified or cancelled, subject to the fare rules attached to the original ticket.
• Hotel resort fees: a mandatory daily charge collected by certain properties, separate from the room rate, covering access to on-site facilities.
• Seat selection fees: charged by airlines when a passenger chooses a specific seat in advance rather than receiving a randomly assigned one at check-in.

How to compare costs in this category

• Total cost including all fees: calculate the full amount due before comparing two options; a lower base price can result in a higher final total once mandatory charges are added.
• Trigger conditions: identify exactly what action or attribute activates each fee, such as luggage weight limits, the number of drivers listed on a rental, or the seat zone selected.
• Avoidability: assess which fees can be eliminated by adjusting behaviour, such as travelling with cabin luggage only, booking directly with the provider, or accepting a randomly assigned seat.
• Fee change notification: check how and when each provider publishes updates to its fee schedule so you are not caught out by a change between the time of booking and the date of travel.
• Fare rules and waivers: compare how fees differ across fare tiers or loyalty membership levels, since a higher base fare may include waivers that reduce the overall cost.

Charges that catch people out

• Hotel resort fees: often absent from nightly rates shown in comparison searches, these mandatory charges are collected at check-out and can substantially increase the total cost of a stay.
• Seat selection fees on connecting itineraries: each flight segment may carry a separate charge, so a multi-leg journey can multiply the fee in ways that are not obvious when reviewing the headline fare.
• Booking platform service fees: the amount is frequently revealed only on the final payment screen and varies by platform and booking value, making it easy to overlook during early-stage comparisons.
• Car rental additional driver fees: applied per day at the rental counter for each driver added to the agreement, these are routinely overlooked when only the base rental rate is displayed during the online booking stage.

Fees in this category change regularly. Always consult the provider’s own current fee schedule before making a booking decision.