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USM to EAS: distance & flight time
Ko Samui (Samui Airport) → San Sebastian (San Sebastian Airport)
6,351 mi
10,220 km · 5,519 nm
12h 55m
estimated nonstop flight time
-5h
time difference · heading northwest
See live USM→EAS fares Phone-only fares on this route — call free
Flight time details
6,351 miles nonstop takes roughly 12h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- EAS — San Sebastian Airport · San Sebastian, 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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
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
Frequently asked questions
How far is USM from EAS?
The flight distance from Ko Samui (USM) to San Sebastian (EAS) is 6,351 miles (10,220 km, 5,519 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to EAS?
A nonstop flight takes about 12h 55m 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 Ko Samui and San Sebastian?
San Sebastian is 5 hours behind Ko Samui.
What is the cheapest way to fly from USM to EAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–EAS that never appear on search engines, with no booking fees.