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STL to SDR: distance & flight time
St. Louis (St Louis Lambert International Airport) → Santander (Santander Airport)
4,307 mi
6,931 km · 3,742 nm
8h 55m
estimated nonstop flight time
+7h
time difference · heading northeast
See live STL→SDR fares Phone-only fares on this route — call free
Flight time details
4,307 miles nonstop takes roughly 8h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 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 STL from SDR?
The flight distance from St. Louis (STL) to Santander (SDR) is 4,307 miles (6,931 km, 3,742 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to SDR?
A nonstop flight takes about 8h 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 St. Louis and Santander?
Santander is 7 hours ahead of St. Louis.
What is the cheapest way to fly from STL to SDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–SDR that never appear on search engines, with no booking fees.