Need help booking?
Unpublished phone-only deals available
SDY to DCA: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Washington (Ronald Reagan Washington National Airport)
1,487 mi
2,392 km · 1,292 nm
3h 42m
estimated nonstop flight time
+2h
time difference · heading east
See live SDY→DCA fares Phone-only fares on this route — call free
Flight time details
1,487 miles nonstop takes roughly 3h 42m 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
- SDY — Sidney - Richland Regional Airport · Sidney, United States
- DCA — Ronald Reagan Washington National Airport · Washington, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Near DCA
Frequently asked questions
How far is SDY from DCA?
The flight distance from Sidney (SDY) to Washington (DCA) is 1,487 miles (2,392 km, 1,292 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to DCA?
A nonstop flight takes about 3h 42m 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 Sidney and Washington?
Washington is 2 hours ahead of Sidney.
What is the cheapest way to fly from SDY to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–DCA that never appear on search engines, with no booking fees.