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BWI to YOW: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Ottawa (Ottawa Macdonald-Cartier International Airport)
428 mi
688 km · 372 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading north
See live BWI→YOW fares Phone-only fares on this route — call free
Flight time details
428 miles nonstop takes roughly 1h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- YOW — Ottawa Macdonald-Cartier International Airport · Ottawa, Canada
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 YOW
- YRO · Ottawa / Rockcliffe Airport10 mi away
- YND · Ottawa / Gatineau Airport15 mi away
- YSH · Smiths Falls-Montague (Russ Beach) Airport29 mi away
- OGS · Ogdensburg International Airport45 mi away
Frequently asked questions
How far is BWI from YOW?
The flight distance from Baltimore (BWI) to Ottawa (YOW) is 428 miles (688 km, 372 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to YOW?
A nonstop flight takes about 1h 24m 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 cheapest way to fly from BWI to YOW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–YOW that never appear on search engines, with no booking fees.