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BWI to CAT: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Cascais (Cascais Airport)
3,528 mi
5,678 km · 3,066 nm
7h 23m
estimated nonstop flight time
+5h
time difference · heading east
See live BWI→CAT fares Phone-only fares on this route — call free
Flight time details
3,528 miles nonstop takes roughly 7h 23m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- CAT — Cascais Airport · Cascais, Portugal
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is BWI from CAT?
The flight distance from Baltimore (BWI) to Cascais (CAT) is 3,528 miles (5,678 km, 3,066 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to CAT?
A nonstop flight takes about 7h 23m 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 Cascais?
Cascais is 5 hours ahead of Baltimore.
What is the cheapest way to fly from BWI to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–CAT that never appear on search engines, with no booking fees.