$112 Cheap United flights Seattle (SEA) to Chicago (ORD)

View $112 flight on Mon, Jan 26, 2026Opens in a new window

$112 Cheap United flights Seattle (SEA) to Chicago (ORD)

Prices were available within the past 7 days and start at $112 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $139 found 4 days ago
United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $199 found 4 days ago
United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $202 found 4 days ago
United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $213 found 4 days ago
United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $229 found 4 days ago
United
Mon, Jan 26 - Tue, Jan 27
SEA
Seattle
ORD
Chicago
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 26 from Seattle to Chicago, returning Tue, Jan 27, priced at $240 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Chicago (ORD)

February is typically the cheapest month to fly

From $106 - $192 per traveler.

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $215
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $215
Flights from Seattle (SEA) to Chicago (ORD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2745 km
Average flight time
6 hours 7 mins