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YQS to SEA: distance & flight time
St Thomas (St Thomas Municipal Airport) → Seattle (Seattle Tacoma International Airport)
2,011 mi
3,236 km · 1,747 nm
4h 25m
estimated nonstop flight time
—
time difference · heading northwest
See live YQS→SEA fares Phone-only fares on this route — call free
Flight time details
2,011 miles nonstop takes roughly 4h 25m gate to gate, flying northwest. 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
- SEA — Seattle Tacoma International Airport · Seattle, 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is YQS from SEA?
The flight distance from St Thomas (YQS) to Seattle (SEA) is 2,011 miles (3,236 km, 1,747 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to SEA?
A nonstop flight takes about 4h 25m 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 SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–SEA that never appear on search engines, with no booking fees.