Flights from Chicago O'Hare to Seattle Tacoma

Our cheapest offers for flights from Chicago O'Hare to Seattle Tacoma

Here you can compare cheap flights from Chicago O'Hare (ORD) to Seattle Tacoma (SEA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seattle Tacoma. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Chicago O'Hare
Seattle-Tacoma
Outbound
09/04/25
direct
AS0942
04h 30min
Return
09/28/25
direct
AS0538
04h 04min
Alaska Airlines ?
$155
found 3 days ago
Chicago O'Hare
Seattle-Tacoma
Pay attention to transfer at connecting flight
Outbound
07/02/25
2 Stopovers (MCO, LAS)
NK2189, NK2292, NK2327
30h 17min
Return
07/25/25
1 Stopover (LAS)
NK0782, NK0184
28h 45min
Spirit Airlines
$273
Chicago O'Hare
Seattle-Tacoma
Outbound
09/04/25
direct
HA6301
04h 30min
Return
09/28/25
direct
HA6669
04h 04min
Hawaiian Airlines
$158
found 3 days ago
Chicago O'Hare
Seattle-Tacoma
Outbound
09/04/25
direct
AS0942
04h 30min
Return
09/28/25
direct
AS0538
04h 04min
Alaska Airlines
$159
found 3 days ago
Chicago O'Hare
Seattle-Tacoma
Outbound
09/04/25
direct
AS0942
04h 30min
Return
09/28/25
direct
AS0538
04h 04min
Alaska Airlines ?
$160
found 3 days ago
Chicago O'Hare
Seattle-Tacoma
Outbound
09/04/25
direct
AS0942
04h 30min
Return
09/28/25
direct
AS0538
04h 04min
Alaska Airlines ?
$166
found 3 days ago
Chicago O'Hare
Seattle-Tacoma
Outbound
06/07/25
direct
AS0587
04h 27min
Return
06/23/25
direct
AS0328
04h 00min
Alaska Airlines ?
$178
Chicago O'Hare
Seattle-Tacoma
Outbound
10/18/25
direct
AS0942
04h 51min
Return
10/24/25
direct
AS0429
04h 15min
Alaska Airlines ?
$179
Chicago O'Hare
Seattle-Tacoma
Outbound
06/07/25
direct
HA6298
04h 39min
Return
06/23/25
direct
HA6815
04h 00min
Hawaiian Airlines ?
$183
Chicago O'Hare
Seattle-Tacoma
Outbound
06/18/25
direct
DL2299
04h 40min
Return
07/15/25
direct
DL2108
03h 59min
Delta Air Lines ?
$218
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Chicago O'Hare - Seattle-Tacoma

Roundtrip from $154.22
Distance 2765 km
Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
Arrival airport Airport Seattle-Tacoma International Airport, WA (SEA)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Seattle-Tacoma
Flight destinations with a similar price
Flight destinations with a similar price