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RDU to IAG: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Niagara Falls (Niagara Falls International Airport)
500 mi
804 km · 434 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading north
See live RDU→IAG fares Phone-only fares on this route — call free
Flight time details
500 miles nonstop takes roughly 1h 33m 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
- RDU — Raleigh Durham International Airport · Raleigh-durham, United States
- IAG — Niagara Falls International Airport · Niagara Falls, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 mi away
Near IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is RDU from IAG?
The flight distance from Raleigh-durham (RDU) to Niagara Falls (IAG) is 500 miles (804 km, 434 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to IAG?
A nonstop flight takes about 1h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RDU to IAG?
Nonstop service on RDU–IAG depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 33m nonstop estimate.
What is the cheapest way to fly from RDU to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–IAG that never appear on search engines, with no booking fees.
Why are some RDU to IAG fares phone-only?
Consolidator contracts let us sell certain RDU–IAG tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.