Need help booking?

Unpublished phone-only deals available

CTS to IAD: distance & flight time

Sapporo (New Chitose Airport) → Washington (Washington Dulles International Airport)

6,281 mi
10,109 km · 5,458 nm
12h 47m
estimated nonstop flight time
-13h
time difference · heading northeast
See live CTSIAD fares Phone-only fares on this route — call free

Flight time details

6,281 miles nonstop takes roughly 12h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is CTS from IAD?

The flight distance from Sapporo (CTS) to Washington (IAD) is 6,281 miles (10,109 km, 5,458 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from CTS to IAD?

A nonstop flight takes about 12h 47m 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 Sapporo and Washington?

Washington is 13 hours behind Sapporo.

What is the cheapest way to fly from CTS to IAD?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTS–IAD that never appear on search engines, with no booking fees.
Keep exploring:IAD to CTS Airports near CTS Airports near IAD Time difference CTSIAD Distance calculator