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UNI to SDR: distance & flight time
Union Island (Union Island International Airport) → Santander (Santander Airport)
4,008 mi
6,450 km · 3,483 nm
8h 20m
estimated nonstop flight time
+6h
time difference · heading northeast
See live UNI→SDR fares Phone-only fares on this route — call free
Flight time details
4,008 miles nonstop takes roughly 8h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
- SDR — Santander Airport · Santander, Spain
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Near SDR
- BIO · Bilbao Airport47 mi away
- VIT · Vitoria/Foronda Airport67 mi away
- RGS · Burgos Airport75 mi away
- RJL · Logroño-Agoncillo Airport101 mi away
Frequently asked questions
How far is UNI from SDR?
The flight distance from Union Island (UNI) to Santander (SDR) is 4,008 miles (6,450 km, 3,483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNI to SDR?
A nonstop flight takes about 8h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Union Island and Santander?
Santander is 6 hours ahead of Union Island.
What is the cheapest way to fly from UNI to SDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNI–SDR that never appear on search engines, with no booking fees.