UIO Airport Code, Mariscal Sucre International Airport
UIO is the IATA airport code for Mariscal Sucre International Airport, the main international gateway for Quito, Ecuador. Pilots and air traffic control use its ICAO code, SEQM.
What airport is UIO?
UIO is the IATA airport code for Mariscal Sucre International Airport, in Quito, Ecuador. The same airport has the ICAO code SEQM.
It carries scheduled service and ranks number 381 by connections in the dataset. Its ICAO code SEQM begins with S, the prefix ICAO assigns to South America.
| IATA airport code | UIO |
|---|---|
| ICAO airport code | SEQM |
| Airport | Mariscal Sucre International Airport |
| City | Quito |
| Country | Ecuador |
| Main airlines | EQ, 2K, KL |
| Runways | 1 |
Airport data comes from OurAirports (public domain), regenerated here on . How we build this · Data and sources.
Where is UIO airport located?
Mariscal Sucre International Airport (UIO) is in Quito, Ecuador, at coordinates -0.1254, -78.35431.
It lies in the southern and western hemispheres, at 0.13° S, 78.35° W. At 7841 ft (2390 m), this is a high-elevation airport, so aircraft need longer takeoff runs in the thinner air.
Runways at UIO
It has a single paved runway. The longest is 13,445 ft (4.10 km), designated 18/36.
Which airlines fly to UIO?
The open route dataset lists EQ (TAME), 2K (Aerolineas Galapagos (Aerogal)), KL (KLM Royal Dutch Airlines), LA (LAN Airlines), XL (Aerolane), AV (Avianca - Aerovias Nacionales de Colombia) as operating carriers on nonstop routes touching Mariscal Sucre International Airport.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Where the UIO code comes from
UIO comes from qUItO's own letters, U, I and O, the Q being historically avoided as a leading letter in the region's assignments. The code moved in 2013 from the old in-city Mariscal Sucre airport, famous for its hemmed-in mountain approach, to the new airport of the same name outside the city.
Curious why codes look the way they do? Read how airport codes work.
Frequently asked questions
What is the IATA code for Mariscal Sucre International Airport?
The IATA code for Mariscal Sucre International Airport in Quito is UIO. It is the three-letter code on tickets, baggage tags and departure boards.
What is the 3-letter code for Quito?
The 3-letter IATA code for Mariscal Sucre International Airport in Quito is UIO.
What is the ICAO code for Mariscal Sucre International Airport?
The ICAO code for Mariscal Sucre International Airport is SEQM. Pilots and air traffic control use it, while airlines and booking systems use the IATA code UIO.
What is the difference between UIO and SEQM?
UIO is the IATA code used for tickets and baggage. SEQM is the ICAO code used by pilots and air traffic control for the same airport, Mariscal Sucre International Airport.
Read more about Mariscal Sucre International Airport on Wikipedia →
Nearby and related airports
Other airports in Ecuador and the wider region:
Popular routes from UIO
Distance and typical flight time from Mariscal Sucre International Airport to other airports it connects with:
All airports in Ecuador · Busiest airports worldwide · UIO as JSON