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RKS to BUF: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Buffalo (Buffalo Niagara International Airport)
1,545 mi
2,487 km · 1,343 nm
3h 30m
estimated nonstop flight time
+2h
time difference · heading east
See live RKS→BUF fares Phone-only fares on this route — call free
Flight time details
1,545 miles nonstop takes roughly 3h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- RKS — Southwest Wyoming Regional Airport · Rock Springs, United States
- BUF — Buffalo Niagara International Airport · Buffalo, 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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is RKS from BUF?
The flight distance from Rock Springs (RKS) to Buffalo (BUF) is 1,545 miles (2,487 km, 1,343 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to BUF?
A nonstop flight takes about 3h 30m 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 Rock Springs and Buffalo?
Buffalo is 2 hours ahead of Rock Springs.
What is the cheapest way to fly from RKS to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–BUF that never appear on search engines, with no booking fees.