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DPA to SJY: distance & flight time
West Chicago (Dupage Airport) → Seinäjoki / Ilmajoki (Seinäjoki Airport)
4,278 mi
6,885 km · 3,718 nm
8h 51m
estimated nonstop flight time
+8h
time difference · heading northeast
See live DPA→SJY fares Phone-only fares on this route — call free
Flight time details
4,278 miles nonstop takes roughly 8h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- DPA — Dupage Airport · West Chicago, United States
- SJY — Seinäjoki Airport · Seinäjoki / Ilmajoki, Finland
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 DPA
- ORD · Chicago O'Hare International Airport18 mi away
- LOT · Lewis University Airport22 mi away
- PWK · Chicago Executive Airport23 mi away
- MDW · Chicago Midway International Airport27 mi away
Near SJY
- KHJ · Kauhajoki Airport21 mi away
- KAU · Kauhava Airport31 mi away
- VAA · Vaasa Airport42 mi away
- KOK · Kokkola-Pietarsaari Airport72 mi away
Frequently asked questions
How far is DPA from SJY?
The flight distance from West Chicago (DPA) to Seinäjoki / Ilmajoki (SJY) is 4,278 miles (6,885 km, 3,718 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DPA to SJY?
A nonstop flight takes about 8h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from DPA to SJY?
Nonstop service on DPA–SJY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 51m nonstop estimate.
What is the time difference between West Chicago and Seinäjoki / Ilmajoki?
Seinäjoki / Ilmajoki is 8 hours ahead of West Chicago.
What is the cheapest way to fly from DPA to SJY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DPA–SJY that never appear on search engines, with no booking fees.
Why are some DPA to SJY fares phone-only?
Consolidator contracts let us sell certain DPA–SJY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.