Direct flights from Seattle to Chicago
126 nonstop flights a week on 5 airlines. Zero layovers — one hop from SEA to ORD.
Flight time: about 3h28m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| American AAL2379 | 12:02a | 3h48m | Tue, Sat |
| American AAL2379 | 12:08a | 3h48m | Thu, Sun |
| American AAL2379 | 12:15a | 3h51m | Mon |
| Alaska ASA328 | 12:24a | 3h39m | Wed |
| Alaska ASA328 | 12:28a | 3h27m | Tue, Thu, Fri, Sat, Sun |
| American AAL2379 | 12:30a | 3h38m | Wed, Fri |
| Alaska ASA328 | 1:41a | 3h46m | Mon |
| Alaska ASA410 | 6:10a | 3h46m | Tue, Wed, Fri, Sat |
| Alaska ASA410 | 6:23a | 3h40m | Mon |
| American AAL1872 | 6:24a | 3h24m | Mon, Thu |
| Alaska ASA410 | 6:25a | 3h19m | Thu |
| American AAL1872 | 6:27a | 3h30m | Tue, Wed, Fri |
| United UAL2618 | 7:06a | 3h26m | Mon, Tue, Wed, Sat |
| United UAL2618 | 7:20a | 3h28m | Thu–Fri |
| Delta DAL2055 | 7:31a | 3h35m | Mon, Tue, Sat |
| American AAL1872 | 7:34a | 3h27m | Sat |
| American AAL1872 | 7:36a | 3h25m | Sun |
| Delta DAL2055 | 7:38a | 3h22m | Wed |
| Delta DAL2055 | 7:50a | 3h19m | Thu–Fri |
| Alaska ASA410 | 7:52a | 3h26m | Sun |
| Delta DAL2055 | 8:45a | 3h45m | Sun |
| Alaska ASA265 | 8:47a | 3h14m | Wed |
| Alaska ASA265 | 9:01a | 3h32m | Mon, Fri, Sat |
| Alaska ASA265 | 9:12a | 3h20m | Tue, Thu |
| United UAL2618 | 9:48a | 3h27m | Sun |
| United UAL2835 | 10:52a | 3h32m | Sat |
| United UAL2835 | 11:01a | 3h26m | Mon |
| American AAL3105 | 11:10a | 3h42m | Mon, Sat |
| United UAL2835 | 11:16a | 3h20m | Wed |
| Alaska ASA265 | 11:25a | 4h1m | Sun |
| American AAL3105 | 11:33a | 3h24m | Wed |
| American AAL3105 | 11:36a | 3h33m | Fri |
| United UAL2835 | 11:38a | 3h29m | Tue, Thu |
| American AAL3105 | 11:48a | 3h35m | Tue |
| Alaska ASA429 | 11:51a | 3h52m | Sat |
| United UAL2835 | 11:57a | 3h27m | Sun |
| Delta DAL637 | 11:59a | 3h31m | Sat |
| American AAL3105 | 12:00p | 3h22m | Thu, Sun |
| Alaska ASA429 | 12:08p | 3h40m | Mon, Wed |
| Delta DAL637 | 12:08p | 3h29m | Mon, Wed |
| Delta DAL637 | 12:20p | 3h25m | Tue, Sun |
| Delta DAL637 | 12:40p | 3h33m | Fri |
| United UAL2835 | 12:48p | 3h23m | Fri |
| Alaska ASA429 | 12:49p | 3h26m | Tue |
| Alaska ASA429 | 1:42p | 3h22m | Fri |
| American AAL2966 | 2:03p | 3h34m | Tue |
| American AAL2966 | 2:10p | 3h49m | Thu |
| United UAL2369 | 2:13p | 3h28m | Sat |
| American AAL2966 | 2:18p | 3h24m | Wed, Fri |
| United UAL2369 | 2:18p | 3h26m | Mon, Tue, Thu, Sun |
| United UAL2369 | 2:27p | 3h26m | Fri |
| Alaska ASA429 | 2:40p | 3h58m | Sun |
| United UAL2369 | 2:52p | 3h30m | Wed |
| American AAL2966 | 3:00p | 3h37m | Sat–Sun |
| American AAL2966 | 3:15p | 2h37m | Mon |
| American AAL1476 | 3:43p | 3h50m | Wed |
| American AAL1476 | 3:52p | 3h48m | Mon, Thu |
| American AAL1476 | 4:02p | 3h53m | Sat |
| American AAL1476 | 4:32p | 3h26m | Sun |
| American AAL1476 | 4:48p | 3h24m | Tue, Fri |
| United UAL1265 | 5:22p | 3h28m | Wed |
| United UAL1265 | 5:26p | 3h27m | Mon, Thu, Sat |
| United UAL1265 | 5:39p | 3h28m | Fri |
| Alaska ASA538 | 5:54p | 3h20m | Sat |
| Alaska ASA538 | 6:01p | 3h47m | Sun |
| Delta DAL2108 | 6:01p | 3h30m | Mon, Wed |
| Delta DAL2108 | 6:09p | 3h28m | Tue, Thu |
| Alaska ASA538 | 6:13p | 3h27m | Mon–Tue |
| Delta DAL2108 | 6:19p | 3h28m | Sat |
| United UAL1265 | 6:28p | 3h25m | Sun |
| Delta DAL2108 | 6:30p | 3h27m | Sun |
| Alaska ASA538 | 6:33p | 3h28m | Wed |
| Alaska ASA538 | 6:41p | 3h45m | Thu |
| United UAL3923 | 7:01p | 3h23m | Sat |
| United UAL1265 | 7:08p | 3h24m | Tue |
| Delta DAL2108 | 7:25p | 3h29m | Fri |
| Alaska ASA538 | 8:41p | 3h24m | Fri |
| Frontier FFT9510 | 9:13p | 3h31m | Wed |
| United UAL747 | 11:24p | 3h34m | Mon, Wed |
| United UAL747 | 11:30p | 3h32m | Thu–Fri |
| United UAL747 | 11:38p | 3h28m | Tue, Sun |
| United UAL1547 | 11:46p | 3h31m | Sat |
American
Delta
UnitedThe route
One hop: SEA → ORDDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to Chicago (ORD)
Seattle–Tacoma International Airport (SEA) has 126 nonstop flights a week to Chicago (ORD), operated by American, Alaska, Delta, Frontier and United. No layovers, no connections — one hop out of SEA and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to Chicago?
The nonstop flight from Seattle (SEA) to Chicago (ORD) takes about 3h28m in the air, based on recently observed nonstop departures.