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DAY to CAT: distance & flight time
Dayton (James M Cox Dayton International Airport) → Cascais (Cascais Airport)
3,877 mi
6,239 km · 3,369 nm
8h 4m
estimated nonstop flight time
+5h
time difference · heading northeast
See live DAY→CAT fares Phone-only fares on this route — call free
Flight time details
3,877 miles nonstop takes roughly 8h 4m gate to gate, flying northeast. 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
- DAY — James M Cox Dayton International Airport · Dayton, 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 DAY
- FFO · Wright-Patterson Air Force Base10 mi away
- SGH · Springfield-Beckley Municipal Airport21 mi away
- MGY · Dayton-Wright Brothers Airport22 mi away
- ILN · Wilmington Airpark40 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 DAY from CAT?
The flight distance from Dayton (DAY) to Cascais (CAT) is 3,877 miles (6,239 km, 3,369 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DAY to CAT?
A nonstop flight takes about 8h 4m 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 Dayton and Cascais?
Cascais is 5 hours ahead of Dayton.
What is the cheapest way to fly from DAY to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DAY–CAT that never appear on search engines, with no booking fees.