Need help booking?
Unpublished phone-only deals available
SEA to YSU: distance & flight time
Seattle (Seattle Tacoma International Airport) → Summerside (Summerside Airport)
2,692 mi
4,333 km · 2,340 nm
5h 45m
estimated nonstop flight time
+4h
time difference · heading east
See live SEA→YSU fares Phone-only fares on this route — call free
Flight time details
2,692 miles nonstop takes roughly 5h 45m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- YSU — Summerside Airport · Summerside, Canada
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 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
Near YSU
- YYG · Charlottetown Airport36 mi away
- YQM · Greater Moncton International Airport46 mi away
- YCH · Miramichi Airport86 mi away
- YHZ · Halifax / Stanfield International Airport109 mi away
Frequently asked questions
How far is SEA from YSU?
The flight distance from Seattle (SEA) to Summerside (YSU) is 2,692 miles (4,333 km, 2,340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to YSU?
A nonstop flight takes about 5h 45m 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 Seattle and Summerside?
Summerside is 4 hours ahead of Seattle.
What is the cheapest way to fly from SEA to YSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–YSU that never appear on search engines, with no booking fees.