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EAS to UNI: distance & flight time
San Sebastian (San Sebastian Airport) → Union Island (Union Island International Airport)
4,106 mi
6,608 km · 3,568 nm
8h 31m
estimated nonstop flight time
-6h
time difference · heading west
See live EAS→UNI fares Phone-only fares on this route — call free
Flight time details
4,106 miles nonstop takes roughly 8h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- EAS — San Sebastian Airport · San Sebastian, Spain
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
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 EAS
- BIQ · Biarritz-Anglet-Bayonne Airport15 mi away
- PNA · Pamplona Airport41 mi away
- BIO · Bilbao Airport56 mi away
- VIT · Vitoria/Foronda Airport57 mi away
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
Frequently asked questions
How far is EAS from UNI?
The flight distance from San Sebastian (EAS) to Union Island (UNI) is 4,106 miles (6,608 km, 3,568 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EAS to UNI?
A nonstop flight takes about 8h 31m 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 San Sebastian and Union Island?
Union Island is 6 hours behind San Sebastian.
What is the cheapest way to fly from EAS to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EAS–UNI that never appear on search engines, with no booking fees.