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YQS to DCA: distance & flight time
St Thomas (St Thomas Municipal Airport) → Washington (Ronald Reagan Washington National Airport)
344 mi
554 km · 299 nm
1h 22m
estimated nonstop flight time
—
time difference · heading southeast
See live YQS→DCA fares Phone-only fares on this route — call free
Flight time details
344 miles nonstop takes roughly 1h 22m gate to gate, flying southeast. 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
- YQS — St Thomas Municipal Airport · St Thomas, Canada
- 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 YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 mi away
Near DCA
Frequently asked questions
How far is YQS from DCA?
The flight distance from St Thomas (YQS) to Washington (DCA) is 344 miles (554 km, 299 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to DCA?
A nonstop flight takes about 1h 22m 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 cheapest way to fly from YQS to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–DCA that never appear on search engines, with no booking fees.