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SDR to WBU: distance & flight time
Santander (Santander Airport) → Boulder (Boulder Municipal Airport)
4,878 mi
7,850 km · 4,238 nm
10h 2m
estimated nonstop flight time
-8h
time difference · heading northwest
See live SDR→WBU fares Phone-only fares on this route — call free
Flight time details
4,878 miles nonstop takes roughly 10h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- SDR — Santander Airport · Santander, Spain
- WBU — Boulder Municipal Airport · Boulder, United States
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 SDR
- BIO · Bilbao Airport47 mi away
- VIT · Vitoria/Foronda Airport67 mi away
- RGS · Burgos Airport75 mi away
- RJL · Logroño-Agoncillo Airport101 mi away
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is SDR from WBU?
The flight distance from Santander (SDR) to Boulder (WBU) is 4,878 miles (7,850 km, 4,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDR to WBU?
A nonstop flight takes about 10h 2m 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 Santander and Boulder?
Boulder is 8 hours behind Santander.
What is the cheapest way to fly from SDR to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDR–WBU that never appear on search engines, with no booking fees.