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Glossary of Airfare Terms

This is a glossary of common terms used for booking flights and airfare. These should help you understand what is involved with purchasing your airfare from 1-800-FlyEurope. If you have a question that is not addressed here or in our FAQs, please contact us and we will be glad to help you.


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A passenger who is at least 12 years of age at the time of travel.

Arrival City:
The ultimate (or final) destination.

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Base Fare:
The fare without taxes or fuel surcharges.

Boarding Pass:
Card or form given to a passenger that indicates the seat assignment and allows flight boarding.

The upright partition that separates cabins in a plane or ship.

Business Class:
A section of an aircraft offering accommodations that are more comfortable than coach, but less luxurious than first class; created for business travelers.

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An airline responsible for the transportation of passengers.

A passenger between the ages of 2 and 11 at the time of travel.

City Pair:
An origin and destination on an itinerary.

City/Airport Codes:
Three letter codes that are used to identify cities or airports for transportation procedures.

Coach Class:
The rear section of the airplane, where most passengers sit, usually offering some amenities such as food and nonalcoholic beverages.

Code Sharing:
Code sharing is a business term first which originated in the airline industry. It refers to a practice where a flight operated by an airline jointly marketed as a flight for one or more other airlines. Most if not all major airlines nowadays have code sharing partnerships with other airlines, and code sharing is a key feature of the major airline alliances.

An oral or written acknowledgment of a booking. This is generally communicated as a PNR (see PNR)

Changing to a different airplane en route to the final destination.

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Departure City:
The city in which travel first commences.

Direct Flight:
Flight with one or more intermediate stops but no change of aircraft

Immigration requirements for a passenger to legally enter another country. (See VISA and Passport)

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First Class:
The portion of the aircraft offering the most service and most comfortable accommodations.

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Gateway City:
The last and first point of departure and arrival in a given country for an international destination.

Global Distribution System. An international computer reservation system that accesses databases belonging to suppliers in different countries.

Solar time of the meridian at Greenwich, England, used as the basis for standard time throughout most of the world. Also referred to as Zulu (Z) and Coordinated Universal Time (UTC).

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High Season:
A time period when fares and passenger traffic are high.

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International Air Transportation Association. An organization, open to all international airlines, which standardizes rules, regulations and fare construction principles for the industry.

A passenger under the age of 24 months at the time of travel.

International Travel:
Travel from one country to another.

A schedule of a flight's arrival, departure, and intermediate (connecting) cities with time and date details.

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A gap between arrival and departure time that involves changing aircraft.

One segment of an itinerary. (See Segment)

Low Season:
A time period when fares and passenger traffic are low.

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Maximum Stay:
A contractual restriction on the maximum number of days a passenger may remain abroad before returning to their originating country.

Minimum Stay:
A contractual restriction on the minimum number of days a passenger must remain abroad before returning to their originating country.

Minimum Connection Time:
The minimum amount of time allowed for a passenger to change from one aircraft to another.

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Nonstop Flight:
A flight that goes directly from point of departure to final destination without stopping.

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Open Jaw:
A flight itinerary where the departure city is not the same as the return arrival city, or where the arrival city is not the same as the return departure city.

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A travel agenda that includes more than one component type.

Passenger Name Record. The GDS file or record that contains information about a passenger's travel plans, including flight itinerary, hotel booking segments, car rental booking segments and related details. (Also see GDS)

Proof of Citizenship:
a birth certificate, passport, or certificate of citizenship (original or certified).

Published Fare:
A fare issued by the operating airline direct to market.

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Round trip:
A flight itinerary that involves flying to a single destination and back.

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Shoulder Season:
A period when fares and passenger traffic are intermediate.

A planned stop of at least one night (or more than 4 hours domestically) before continuing the next part of a flight itinerary.

An additional charge levied for the provision of certain additional features or because of special or extenuating circumstances.

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Time Zone:
A rational number between -24 (inclusive) and 24 (inclusive) that represents a time zone as a number of hours offset from Greenwich Mean Time. (See GMT)

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