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STL to ASH: distance & flight time
St. Louis (St Louis Lambert International Airport) → Nashua (Boire Field)
1,023 mi
1,646 km · 889 nm
2h 41m
estimated nonstop flight time
+1h
time difference · heading east
See live STL→ASH fares Phone-only fares on this route — call free
Flight time details
1,023 miles nonstop takes roughly 2h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- ASH — Boire Field · Nashua, 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 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Frequently asked questions
How far is STL from ASH?
The flight distance from St. Louis (STL) to Nashua (ASH) is 1,023 miles (1,646 km, 889 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to ASH?
A nonstop flight takes about 2h 41m 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 Nashua?
Nashua is 1 hour ahead of St. Louis.
What is the cheapest way to fly from STL to ASH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–ASH that never appear on search engines, with no booking fees.