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ORD to SEA: distance & flight time
Chicago (Chicago O'Hare International Airport) → Seattle (Seattle Tacoma International Airport)
1,716 mi
2,762 km · 1,491 nm
3h 50m
estimated nonstop flight time
-2h
time difference · heading northwest
See live ORD→SEA fares Phone-only fares on this route — call free
Flight time details
1,716 miles nonstop takes roughly 3h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, United States
- 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from SEA?
The flight distance from Chicago (ORD) to Seattle (SEA) is 1,716 miles (2,762 km, 1,491 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to SEA?
A nonstop flight takes about 3h 50m 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 Chicago and Seattle?
Seattle is 2 hours behind Chicago.
What is the cheapest way to fly from ORD to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–SEA that never appear on search engines, with no booking fees.