Need help booking?
Unpublished phone-only deals available
SEA to MDW: distance & flight time
Seattle (Seattle Tacoma International Airport) → Chicago (Chicago Midway International Airport)
1,729 mi
2,782 km · 1,502 nm
3h 51m
estimated nonstop flight time
+2h
time difference · heading east
See live SEA→MDW fares Phone-only fares on this route — call free
Flight time details
1,729 miles nonstop takes roughly 3h 51m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- MDW — Chicago Midway International Airport · Chicago, 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 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 MDW
- ORD · Chicago O'Hare International Airport15 mi away
- CGX · Chicago Meigs Airport9 mi away
- GYY · Gary Chicago International Airport21 mi away
- LOT · Lewis University Airport22 mi away
Frequently asked questions
How far is SEA from MDW?
The flight distance from Seattle (SEA) to Chicago (MDW) is 1,729 miles (2,782 km, 1,502 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to MDW?
A nonstop flight takes about 3h 51m 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 Chicago?
Chicago is 2 hours ahead of Seattle.
What is the cheapest way to fly from SEA to MDW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–MDW that never appear on search engines, with no booking fees.