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BWI to WBU: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Boulder (Boulder Municipal Airport)
1,515 mi
2,438 km · 1,316 nm
3h 26m
estimated nonstop flight time
-2h
time difference · heading west
See live BWI→WBU fares Phone-only fares on this route — call free
Flight time details
1,515 miles nonstop takes roughly 3h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from WBU?
The flight distance from Baltimore (BWI) to Boulder (WBU) is 1,515 miles (2,438 km, 1,316 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to WBU?
A nonstop flight takes about 3h 26m 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 Baltimore and Boulder?
Boulder is 2 hours behind Baltimore.
What is the cheapest way to fly from BWI to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–WBU that never appear on search engines, with no booking fees.