Status: checked against official sources; automated independent review
FREQUENT FLYER GLOSSARY
What is a travel agent?
A travel agent is a person or firm that arranges air travel for a customer and books it through a trade relationship with airlines, so the reservation is created and serviced by the intermediary rather than by the traveller directly. Agency sales are a separate channel from direct airline sales, and accreditation for that trade role is run by the International Air Transport Association (IATA), which lists a Travel Agency Program among its services. [2]
Facts checked: 18 October 2026
Key takeaways
- An agent is a retailer of air travel: it takes the booking, holds the record and issues the ticket, while the airline remains the carrier that operates the flight.
- IATA's Travel Agency Program and travel agent accreditation sit inside its distribution, payment and taxation work, which also covers airline retailing and industry payments. [2]
- Because the booking lives in a distribution system, changes and refunds usually pass through the agency rather than the airline's own service desk.
- Accreditation is a trade arrangement. Consumer-protection rules for agents come from national law, so they are not the same in every market.
What does a travel agent do?
Selling air travel is the agent's main job, and much of it is work the traveller would otherwise do alone: comparing fares and schedules across carriers, assembling a multi-leg itinerary, building the reservation, taking payment and issuing the ticket. The agent also keeps the booking afterwards, so it is the natural first call when a date, a name or a flight has to change.
On the airline side, agencies are one of the third-party sales channels through which seats are sold. IATA says airline retailing is undergoing rapid transformation, driven in part by the need to de-commoditise third party sales channels, to simplify and enhance the customer shopping and purchasing experience and to respond to changing consumer demands. [2] The same workstream covers industry payments, which IATA describes as helping airlines find a cost balance and create and retain value in payment. [2]
For a traveller, the practical effect is that the booking lives with someone else. That helps when an itinerary is complicated or a disruption needs rebooking, and it means the reservation is seen through the agency's record rather than through the airline's own account.
What does IATA accreditation mean for an agency?
IATA describes its mission as representing, leading and serving the airline industry. [2] It lists a Travel Agency Program among its services and keeps a travel agent accreditation entry point for the trade. [2] Accreditation is therefore an arrangement between agencies and the airlines' trade association; rules whose purpose is to protect travellers come from national law instead, which is why they differ between markets.
The trade runs on shared reference data. IATA's code search is described as an official source for the codes it assigns, returning the two-letter code of an airline and the three-letter code of an airport. [3] IATA also publishes a Ticketing Handbook, a Reservations Handbook, a City Code Directory and multilateral and bilateral interline traffic agreements alongside that directory. [3]
What a scheme requires of an agency, and what an accredited agency may issue, is set by the programme itself. The model described here is the industry-level one rather than the terms of any single market.
How does an agent booking differ from a self-booked one?
The structural difference is the record. An agency builds the booking in a computer reservations system of the kind covered under global distribution system, and the itinerary is held as a passenger name record that the agency owns and services. A direct booking also creates a record, but it sits with the airline.
The commercial difference is on the invoice. The airline fare and any agency charge are separate items: the fare follows the airline's fare rules, while an agency's own charge is a commercial term agreed with the customer before the booking is made. Charges, commissions and mark-ups vary from agency to agency and are not published as an industry standard.
The service difference is who acts. When a schedule changes, the agency is normally the party that reissues the ticket or processes the refund, working inside the airline's fare rules. Travellers weighing the two routes can compare the all-in cost of an online travel agency booking with a direct one in the OTA versus direct total-cost guide.
Where does responsibility sit when plans change?
Two different responsibilities get mixed up. The airline is the carrier: it operates the flight and sets the conditions of carriage and fare rules that decide whether a ticket can be changed, refunded or reused. The agent is responsible for the transaction it handled — the reservation it created, the ticket it issued and the service around it.
Airline liability is a separate legal question. IATA's passenger work includes a consumer issues programme, described as protecting consumer rights while supporting sustainable air services [5], and it promotes universal ratification of the Montreal Convention 1999, which IATA says benefits consumers while clarifying airline liability. [5] Where that convention applies, what the airline owes a passenger is governed by it rather than by the agency's own terms.
Payment is a third track. If a card payment is disputed, the card scheme's chargeback process sits alongside any claim against the agent or the airline. Consumer-protection rules for agents are set by national law and differ between markets, so the model above does not replace the rules of the country in which the booking was sold.
Exceptions and limits
- Operational control. The agent does not operate the aircraft. Delay, cancellation and rerouting decisions belong to the carrier, and the agent works within them.
- Accreditation is not a consumer regulator. An industry accreditation scheme and a statutory consumer regime are separate things, and the second is the one enforced by public authorities.
- Charges are commercial. Any service charge, commission or mark-up varies by agency and by market, so no figures are set out here.
- Online agencies are serviced under their own terms. A booking made through an online travel agency follows that company's terms, which can differ from a high-street agency's.
- Direct bookings have no agent in the chain. When nothing was booked through an agency, changes, refunds and disruption handling go through the airline.
Frequently asked questions
Is a travel agent the same as an online travel agency?
An online travel agency is a travel agency that sells through a website rather than a counter. The underlying trade role — taking the booking, issuing the ticket and servicing it afterwards — is the same.
What does IATA accreditation mean for an agency?
It is the airline industry's own accreditation scheme for agencies, run by IATA, which lists a Travel Agency Program among its services. [2] The airline and airport codes and the ticketing and reservations handbooks that agency work depends on come from IATA as well. [3]
Who is responsible if my flight is cancelled?
The airline operates the flight and applies its conditions of carriage and fare rules, while the agent handles the booking. Airline liability is a separate matter, clarified by the Montreal Convention 1999, which IATA promotes. [5]
Do travel agents charge a service fee?
Any agency charge is a commercial term between the agency and its customer, separate from the airline fare. Amounts and commissions differ between agencies and markets rather than following one industry rule.
Sources
Sources checked on 18 October 2026. No individual airline's agency terms and no country-specific consumer-protection rules are covered here; the page describes the industry-level accreditation and booking model.
- IATA distribution, payment and taxation, checked 18 October 2026
- IATA airline and airport code search, checked 18 October 2026
- IATA passenger experience and policy, checked 18 October 2026