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CYS to EAS: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → San Sebastian (San Sebastian Airport)
4,893 mi
7,875 km · 4,252 nm
10h 4m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CYS→EAS fares Phone-only fares on this route — call free
Flight time details
4,893 miles nonstop takes roughly 10h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 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 CYS from EAS?
The flight distance from Cheyenne (CYS) to San Sebastian (EAS) is 4,893 miles (7,875 km, 4,252 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to EAS?
A nonstop flight takes about 10h 4m 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 Cheyenne and San Sebastian?
San Sebastian is 8 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to EAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–EAS that never appear on search engines, with no booking fees.